The Weather Handbook: A Summary of Climatic Conditions and Weather Phenomena for Selected Cities in the United States and Around the World Tornadoes, Dark Days, Anomalous Precipitation, and Related Weather Phenomena Outstanding Weather Phenomena in the Ark-La-Tex Weather Patterns and Phenomena Weather Book: A Complete Illustrated Guide to Meteorological Phenomena, Weather Forecasting and Climate So Much Weather!: Facts, Phenomena and Weather Lore from Atlantic Canada Natural Phenomena: Wonders of Weather (Natural Phenomena) Weather, Records, Patterns and Phenomena (Maine Geographic Series)

• Weather.
• Conditions and Predictions | Weather Phenomena .
• Conditions and Predictions: Weather for Springfield, MA Weather conditions for the Greater Springfield area from the Weather Channel. National Weather Service: Springfield forecasts Quick forecast information for the Greater Springfield area. Connecticut Weather Center Forecasts, weather warnings, cancellations and more for the various regions of Connecticut. National Weather Service The homepage of the NWS includes weather forecasts and warnings, links to regional weather centers, historical weather data archives and other information for weather watchers. The Weather Channel National in scope, with good graphics and frequent updates. ... The Weather Underground Check here for current conditions and extended forecasts for cities around the country and around the world. Includes historical weather data back to 1994, searchable by zip code. ...
• Weather Phenomena: Historical Weather Database A service of the Washington Post, this search engine allows you to find historical temperature and precipitation data for over 2000 cities throughout the world. ... WW2010: Weather World 2010 project A service of the University of Illinois, this ambitious site provides online resources to enrich curriculum materials for education in weather and weather phenomena. Included are online guides to metereology, weather maps, remote sensing, and teacher aids, archives of materials relating to memorable weather events. ... Northeast Regional Climate Center Weather conditions, current data, forecasts and historical information from Cornell University. ... Weather 101 All weather, all the time. A resource for teachers and students with links to tutorials, calculators, glossaries and weather terminology, lesson plans and miscellaneous weather resources. ... Weather: What Forces Affect Our Weather? A fine overview of weather, weather phenomena, forecasting and climatology, with related links and hands-on activities for students. ... Weather Phenomena Check in here for information on hurricanes, tornadoes, and other weather data. ...

• WEATHER HERE AND THERE is an integrated weather unit which incorporates interaction with the Internet and hands-on collaborative, problem solving activites for students in grades four through six. ... The lessons integrate math, science, geography, and language arts in the process of teaching and learning about weather phenomena. ... The Global Education Project will help students see the relevance of science by interacting with scientists and other students across the world, as they collaborate in the study of weather in their environment.
• The first three lessons focus on learning basic meteorological concepts about weather elements, how to take measurements using appropriate weather instruments, and recognizing basic weather trends and patterns.
• The last three lessons focus on studying weather maps and applying the knowledge and experience about weather to associate weather trends and patterns in the process of making accurate forecasts. The unit culminates with a weather broadcast of a twenty-four hour forecast presented by students and focusing on a network of weather stations in the United States created by the students. ...
• Lesson II: Observing the Weather.
• Lesson III: Air Affects Weather.
• Lesson IV: Plotting Weather on the Move.
• Lesson V: Forecasting the Weather.
• Lesson VI: Broadcasting the Weather.

• Weather Patterns & Phenomena .
• The complete weather guide for pilots.
• A thorough update of the only guide to apply the full spectrum of weather effects to aircraft pilotage and flight. An understanding of weather is as critical to pilots as stick and rudder skills. ... Turner provides matchless coverage of the causes and workings of weather conditions and apply weather data to actual flight. This classic features new insight into weather theory, reporting procedures, flying techniques, and technology-plus the latest on hazardous weather conditions, high-altitude and regional weather, and seasonal variations. ...

• Weather .
• Automated Weather Source A nationwide school weather network that allows schools to collect, distribute and access meterological data .
• Blue Skies Multimedia educational materials on weather phenomena .
• The Daily Planet Multimedia resources concerning weather and climate from the Department of Atmospheric Sciences of the University of Illinois, including an Electronic Textbook containing instructional modules about meteorology. ...
• Interactive weather browser Current weather map and conditions for the USA .
• Weather forecasts for the US Including the forecast for Syracuse, New York .

• Abstract Views on Weather.
• Teachers: This activity will help expand student's views on weather and realistic information by using their knowledge of weather and weather phenomena and extracting it through different view points to create an abstract painting.
• Objective: Students will use previous knowledge of weather and weather phenomena from a weather unit to create an abstract painting. ...
• satellite imagery of weather (Naval Atlantic Meteorology and Oceanography Center or Naval Pacific Meteorology and Oceanography Center) .
• magazines, newspapers, and books containing images of weather phenomena .
• Remind students that they have been studying weather. Introduce students to the different types of media that display our weather (satellite imagery, video, television, magazines, newspapers, internet photographs). ...
• Students will be viewing and discussing three different view points of weather – satellite view, a human's view, and a bug's view. Satellite views are available on the internet or videotaped from a weather forecast on the local news. Human views are available through books, magazines, and newspaper images of weather and weather phenomena. ...
• Explain to students that they will be looking at three different view points for images that are based on weather and weather phenomena; a satellite's view, a human's view, and a bug's view. ...
• Discuss the images and the three different view points with the class, include weather-related topics, compare and contrast exercises, design, colors, and form reviews in the discussion. Help students to see how all images are about weather just from different view points. Satellite imagery can be obtained from internet research or from a recorded weather forecast. ...
• Assign one or all of the students to take photographs from a bug's view of weather or weather related-phenomena. ...

• Top >  Science > Earth Sciences > Meteorology > Weather Phenomena > .
• Extreme Weather Gallery - Collections of satellite/radar images and storm chase photos depicting severe weather events. ...
• Meteo-Foto's - Weather pictures made in The Netherlands of lightning, severe weather, precipitation, sunsets, optical phenomena and a cloudatlas. Also weather information for The Netherlands and Europe. ...
• NSSL Photo Album - Photos of severe weather from the National Severe Storms Lab, NoAA Central Library. ...
• Storm Stalker Homepage - Darren Johnston's lightning and bad weather photographs. ...

• Search only in Weather PhenomenaSearch the Web  .
• Weather Phenomena.
• Science > Earth Sciences > Meteorology > Weather Phenomena    Go to Directory Home   .
•     News > Weather > Hazards and Extremes  (20).
•     Kids and Teens > School Time > Science > The Earth > Weather > Extreme Weather  (30).
• The National Severe Storms Laboratory is one of NOAA's internationally known Environmental Research Laboratories, leading the way in investigations of all aspects of severe weather. ...
• Wild Weather - http://www. ...
• Daily news updates on severe weather phenomena happening around the world. Also includes original articles, storm chase video, a photo gallery, hurricane tracking, links, weather cams, and meteorologist profiles.
• Top Weather, Water, and Climate Events of the Twentieth Century (Story 334) - http://www. ...
• Background information on the top weather events around the world. ...
• Weather Picture of The Day Album - http://weatherpictureoftheday. ...
• Photo album of weather pictures.
• Greg's Weather Center - http://members. ...
• Large collection of links to sites about weather (hurricanes, blizzards, and tornadoes) and a section with storm updates.
• Bew - Incredible Weather - http://www. ...

• weather. ...
• World Area Forecast System (WAFS) Significant Weather High Level Charts.
• The WAFS Significant Weather (SIGWX) High Level Charts are graphic representations of forecasted significant weather on a global scale. ...
• AIRMETs are concise descriptions - in abbreviated language - of the development and occurrence or expected occurrence in time and space of specified en-route weather phenomena issued by the National Weather Service's Aviation Weather Center, Alaskan Aviat.
• Center Weather Advisory (CWA).
• The National Weather Service's (NWS) Center Weather Advisory (CWA) is an aviation warning for conditions meeting or approaching national in-flight advisory criteria ( ie AIRMET, SIGMET, or SIGMET for convection) as described in NWSI 10-811.
• The National Weather Service's (NWS) Meteorological Impact Statement (MIS) is a unscheduled flow control and flight operations planning forecast. The MIS is valid 2-12 hours after issuance time and details weather conditions expected to adversely impact.
• The Winds and Temperatures Aloft Forecast (FDHW) is an alphanumeric product providing a coded forecast for winds and temperatures aloft for Lihue, Honolulu, Kahului and Hilo within the National Weather Service's Pacific Region's Weather Forecast Office (.
• The Route Forecast (ROFOR) is an alphanumeric product providing a coded route forecast for regularly scheduled flights or upon request for flights that either begin or end in or that have most of the flight path within the National Weather Service's Pac.
• Aviation Area Forecasts (FAs) describe in abbreviated language the development and occurrence or expected occurrence in time and space of specified en-route weather phenomena below Flight Level (FL) 45,000 ft (450). ...
• SIGMETs are concise, brief descriptions of the development and occurrence or expected occurrence in time and space of specified en-route weather phenomena which may affect the safety of all aircraft operations.
• SIM is an alphanumeric product providing an interpretation of synoptic weather features, significant weather areas, and various cloud and weather phenomena based upon satellite imagery (visual, infrared, water vapor, etc. ... National Weather Service's Pacific Region's Weather Forecast Office (WFO) Honolulu prepares the SIM for a portion of their area of responsibility (AOR). ...

• New stock footage library allows online searching of weather phenomena.
• Still images of weather phenomena are available from NCAR's Digital Media Catalog.
• Over the years, UCAR has compiled a unique set of film and video footage that captures weather phenomena and researchers in action. ...
• Atmospheric and solar phenomena .

•   Home : Science : Earth Sciences : Meteorology : Weather Phenomena .
• Bew - Incredible Weather .
• Image galleries of weather phenomena in Canada as well as tools for chasing tornadoes on the internet. ...
• Greg's Weather Center .
• Large collection of links to sites about weather (hurricanes, blizzards, and tornadoes) and a section with storm updates.
• Jared's Weather Pictures .
• View pictures of various weather conditions including photos of lightning, cumulus, mammatus and other clouds, rainbows, northern lights, and other meteorological objects. ...
• The National Severe Storms Laboratory is one of NOAA's internationally known Environmental Research Laboratories, leading the way in investigations of all aspects of severe weather. ...
• Sydney, Australia Hailstorms, Tornados, And Weather Photographs .
• Pictures and descriptions of Australian hailstorms, tornados, and weather.
• Top Weather, Water, and Climate Events of the Twentieth Century (Story 334) .
• Background information on the top weather events around the world. ...
• Weather Central By Mark .
• com/~markmp/weather/weathercentralindex. ...
• Weather Hazards .
• Collection of links to weather hazards theme pages containing federal information sources for kids and adults.

• V8 weather phenomena  .
• weather phenomena.
• Your current location is  > V8GO> information> weather> weather phenomena.
• com/Antarctica%20fact%20file/antarctica%20environment/weather. ...
• Yahoo! Science>Earth Sciences>Meteorology>Weather PhenomenaMeteorology > Weather Phenomena Directory > Science > Earth Sciences > Meteorology > Weather Phenomena Search all sites this category only UK only Ireland only advanced search Suggest a Site. ...
• Yahoo! Directory Meteorology > Weather PhenomenaDirectory Home - Yahoo! - Help Meteorology > Weather Phenomena Directory > Science > Earth Sciences > Meteorology > Weather Phenomena Search the Web just this category Advanced Search | Suggest a. ...
• phenomena. ...
• Open Directory - Science: Earth Sciences: Meteorology: Weather PhenomenaThis category in other languages: About. ...
• uk: Books: Weather Patterns and Phenomena: A Pilot's Guide (TAB Practical Flying S. )Weather Patterns and Phenomena: A Pilot's Guide (TAB Practical Flying S. ...
• USA Today - How Weather WorksUSA Today - How Weather Works This is a very extensive site, providing backround information about virtually all aspects of weather. ... com/weather/wworks0. ...
• weather Phenomena1. ... net/pub/hgr/phenomena. ...
• weather forecasts.
• weather maps.

• Science > Earth Sciences > Meteorology > Weather Phenomena > Hurricanes    Go to Directory Home   .
• Unisys Weather: Hurricane and Tropical Data - http://weather. ...
• Central source for a wealth of hurricane and cyclone information from around the world including enhanced satellite images, graphical maps, streaming video weather front projections, tracking graphs and charts, text-based tables of tracking information with latitude and longitude positions, maximum sustained winds in knots, and central pressure in millibars. ...
• edu/weather/index. ...
• Atlantic Tropical Weather Center - http://www. ...
• Indepth information, weather discussions and local reports regarding tropical storms and hurricanes threatening the Caribbean islands.
• The Weather Station's "Hurricane Alley" contains detailed information about tropical cyclones worldwide. ...
• com/weather/special/storm/ .
• Millennium Weather Tropical Page - http://www. ...
• A unique hurricane forecasting model, with loads of links to other weather sites for satellite imagery, warnings, research, and analysis.
• Tropical Weather Menu - http://vortex. ...
• Weather Center of Plymouth State College, with GOES satellite views of the Atlantic and Eastern Pacific basins, plus archives of past notable hurricanes.
• com - http://weather. ...
• Central site for marine weather information, including raw and enhanced satellite images, tropical weather alerts, forecast models, and weather research.

• Build equipment that will measure weather phenomena. ...
• Measure and record data about the weather phenomena. ...
• Explain how the equipment measures that specific weather phenomena. ...
• Relate the weather phenomena to the data. ...
•   Meteorology is the study of the Earth's atmosphere and the phenomena that result from its changes. The study of the day-to-day variations is called weather. An average of the weather conditions over a long period of time is the climate. ...
•   Meteorologists are the people who study the weather and give forecasts. They use many instruments to measure and record data about the weather. This data helps them make predictions (forecasts) about the weather. "How to Build Weather Gathering Equipment Labs" are hyper-linked to this site. ...
• Weather vane- determines the direction.
• Weather Here and There.
• Athena Curriculum Weather.
• Weather Topics.
• Project Weather Charting.

• Top: Science: Earth Sciences: Meteorology: Weather Phenomena: Tornadoes.
• News: Weather (216).
• Nature's Most Violent Storms - Information about tornadoes from the National Weather Service.
• Sargodha, Pakistan Area Tornado - Extreme weather phenomena-tornado was reported in Sargodha region-Pakistan. ...
• Storm Chase News and Archives - A chronologically organized list of links to reports on and photos of individual tornado and other severe weather events.
• The Disaster Center Tornado and Severe Weather - Tornadoes, weather watchers, fact sheet statistics for every state, and links to the Disaster Center states pages.
• Tornado Project Online! - A company that researches, compiles and makes tornado information available to tornado and severe weather enthusiasts, the public, the meteorological community and emergency management officials in the form of tornado videos, tornado books, and tornado posters.
• Weather Reports - A searchable database of storm events from the National Climatic Data Center.

• Top > Science > Earth Sciences > Meteorology > Weather Phenomena (390) .
• Kids and Teens > School Time > Science > The Earth > Weather > Extreme Weather.
• News > Weather > Hazards and Extremes.
• Wild Weather - Daily news updates on severe weather phenomena happening around the world. Also includes original articles, storm chase video, a photo gallery, hurricane tracking, links, weather cams, and meteorologist profiles.
• National Severe Storms Laboratory - The National Severe Storms Laboratory is one of NOAA's internationally known Environmental Research Laboratories, leading the way in investigations of all aspects of severe weather. ...
• Weird Weather Reports - Records anecdotal stories about hurricanes, fires, extreme temperatures, tornadoes, flooding, droughts and other weather related phenomena.
• Greg's Weather Center - Large collection of links to sites about weather (hurricanes, blizzards, and tornadoes) and a section with storm updates.
• Top Weather, Water, and Climate Events of the Twentieth Century (Story 334) - Background information on the top weather events around the world. ...
• Bew - Incredible Weather - Image galleries of weather phenomena in Canada as well as tools for chasing tornadoes on the internet. ...
• Weather Picture of The Day Album - Photo album of weather pictures.
• Sydney, Australia Hailstorms, Tornados, And Weather Photographs - Pictures and descriptions of Australian hailstorms, tornados, and weather.
• Weather Central By Mark - The site includes many pictures, facts, links, and other information.

• SUBJECT: Science GRADE: Fourth TECHNOLOGY: Internet BY: Megan Moynihan, Heather Olson, Brooke Topping, Teresa Frizell   THE WEATHER .
• This activity focuses on using the Internet to create a science fact sheet on different weather phenomena.
• The student will investigate and understand how weather conditions and phenomena occur and can be predicted. ...
• Weather factors: temperature, air pressure, fronts, formation and type of clouds and storms and .
• The students may choose from the following weather phenomenon: .
• A definition of the weather phenomena .
• A current event involving the weather phenomenon. ...
• A picture of the weather phenomenon .
• Picture of weather phenomena .
• Definition of weather phenomena .
• Current event involving weather phenomena .

• Getting High on Weather Phenomena.
• Boating safety experts will encourage you to learn as much as you can about weather. ... "Weather" is the earth's atmosphere trying to find equilibrium, and it's been attempting to do so from the beginning of time. ...
• The more you know about the phenomena that accompany the changing weather patterns around you, the more you'll appreciate the beauty and splendor just overhead. ...
• In days of yore, however, tense sailors who didn't have the benefit of science to explain these phenomena labeled the apparitions "ghost ships. ...
• There are many other examples of natural aerial phenomena now showing at a sky near you -- Sprites, Elves, coronas, sundogs, diamond dust, St. ...
• Knowing about weather -- forecasting, patterns and phenomenon -- is just part of being a complete boater. ... Whether it's Mother Nature or weather, you'll have more fun and increase your level of boating safety by knowing more about what you see when you tilt your head skyward. ...

• Weather.
• Weather comprises all the various phenomena that occur in the atmosphere of a planet. ... Weather is driven by energy from the sun, with key factors being temperature, humidity, atmospheric pressure, cloud cover, wind speed, and elevation. ...
• Weather prediction .
• Weather stations all around the world measure these conditions on a continuous basis. The weather system is an inherently chaotic system. Practically this means that meterologists can only predict the weather a few days in the future. In fact it was through studying weather systems that chaos theory first emerged, pioneered with the aid of early computers by Edward Lorenz. ... Research suggests that problems with the formulas used in current models remains a limiting factor in the accuracy of predictions, rather than the inherently chaotic nature of the weather. ...
• Weather prediction is an area of much active research, due to the advantages that an accurate forecast of the weather would bring. Chaos theory says that small changes in the initial conditions increase exponentially over time, until the weather is very different from what it would have been under slightly different circumstances. ...
• List of named weather, climatic or atmospheric patterns .
• See also: Meteorology, climate, Cycles, severe weather, extreme weather, Groundhog Day, wind, TV Nova .
• Offical US weather information .
• World weather from The Weather Channel (available in English, Spanish, French, German, and Portuguese) .
• The Weather Underground, language selection page (dozens of languages) .

•      Phenomena Home.
•      Phenomena Page 2.

• You are here: home > search > directory > Language: Englisch > Science > Earth Sciences > Meteorology > Weather Phenomena " height="1" width="1" alt=""> .
• Weather Phenomena .
• Related Categories• meOme-Webkatalog - Language: Englisch - Kids and Teens - School Time - Science - The Earth - Weather - Extreme Weather.
• • meOme-Webkatalog - Language: Englisch - News - Weather - Hazards and Extremes.
• Bew - Incredible Weather - Image galleries of weather phenomena in Canada as well as tools for chasing tornadoes on the internet. ...
• Greg's Weather Center - Large collection of links to sites about weather (hurricanes, blizzards, and tornadoes) and a section with storm updates.
• National Severe Storms Laboratory - The National Severe Storms Laboratory is one of NOAA's internationally known Environmental Research Laboratories, leading the way in investigations of all aspects of severe weather. ...
• Sydney, Australia Hailstorms, Tornados, And Weather Photographs - Pictures and descriptions of Australian hailstorms, tornados, and weather.
• Top Weather, Water, and Climate Events of the Twentieth Century (Story 334) - Background information on the top weather events around the world. ...
• Weather Central By Mark - The site includes many pictures, facts, links, and other information.
• Weather Picture of The Day Album - Photo album of weather pictures.
• Weird Weather Reports - Records anecdotal stories about hurricanes, fires, extreme temperatures, tornadoes, flooding, droughts and other weather related phenomena.
• Wild Weather - Daily news updates on severe weather phenomena happening around the world. Also includes original articles, storm chase video, a photo gallery, hurricane tracking, links, weather cams, and meteorologist profiles.

• weather. ...
• Search field for weather information. ...
• Latest NWS official weather Forecasts.
• Weather Hazard Statistics.
• Weather Video Footage.
• REGIONAL WEATHER NEWS ROUND-UP .
• WEATHER NEWS IN PICTURES .
• NEW MARINE-BASED NOAA WEATHER RADIO TRANSMITTER SERVES TAMPA BAY AREA .
• Olympia Weather Radio Transmitter Shifts To Capitol Peak .
• TODAY'S WEATHER MAP.
• WEATHER FORECAST OFFICES AROUND THE COUNTRY.
• Q&A Close-Up is a series of one-on-one interviews with National Weather Service forecasters about weather events that impact your region and the nation.
• From the unusual to the severe, Q&A Close-Up helps explain the weather phenomena that impact the United States.
• Our latest Q&A Close-Up segment features an interview with Scott Kiser, the Tropical Cyclone Program Manager at NOAA's National Weather Service headquarters, about the new five-day hurricane forecast for the 2003 hurricane season. ...
• National Weather Service.

•   Case Summary: "Target caused by weather phenomena" .
• The weather was clear but no visual sighting was made. ...
• Target being slanted instead of perpendicular to radii from radar station indicates possible weather target. Speed may be accounted for by the momentary appearance and disappearance of other weather targets. ...
• Target caused by weather phenomena. ...

• Science: Earth Sciences: Meteorology: Weather Phenomena: Hurricanes: Hurricane Hunters  (5) .
• Science: Earth Sciences: Meteorology: Weather Phenomena: Thunderstorms and Lightning  (84) .
• Science: Earth Sciences: Meteorology: Weather Phenomena: Tornadoes  (27) .
• Australian Severe Weather - Australian and US storms and storm chasing of severe weather. Over 7000 photographs and storm videos, storm tours, storm chases, tornados, hailstorms, thunderstorms, tropical cyclones, latest satellite images and weather maps. ...
• Brisbane Storm Chasers - Large picture gallery and severe weather information from Brisbane, Australia. ...
• Charlotte Area Skywarn - Provides current severe weather and educational information for Charlotte, North Carolina area weather spotters. ...
• Elite Storm Chasers - Storm chase pictures, chase logs, a chat room, message board and weather forecasts. ...
• Kansas Tornado Chasers - Photos, history, and video clips of Kansas tornadoes, along with current weather. ...
• Melbourne Storm Chasers - Severe weather reports, photographs, forecasts and discussions from Melbourne and Victoria. ...
• Chase accounts, photos, resources, current weather, and links oriented to storm chasing in Nebraska. ...
• Nebraska Storms by Brian Thalken - Includes pictures, weather date and chase accounts. ...
• com - A resource for weather enthusiasts, weather spotters and storm chasers in the Ohio Valley. Daily forecast for severe weather and links. ...
• Saskatoon's Severe Weather and Storm Chasing Site - Saskatoon, Saskatchewan, Canada severe weather, storm chasing, news, live scanner feed, pictures, and video. ...
• com's Storm and Tornado Chasing Page - Contains tornado and severe weather pictures, chase reports, storm chasing how-to guides, other severe weather links, on-line presentations, and a store for weather products. ...

• WEATHER OBSERVATION TERM PROJECT*.
• OBJECTIVES OF PROJECT:  1) make accurate first-hand observations of weather phenomena through photographs; 2) analyze what is observed in each photograph by incorporating course content as well as your own research; and 3) concisely communicate your observations through a written description of each photograph.
• Over the course of the term, take 20-30 photographs showing atmospheric phenomena. ...
• Record the date, time, location, the direction you are facing when photographing, and the meteorological phenomena observed in the observation notebook. ...
•   Begin with date, time, location, direction you are facing, and the meteorological phenomena observed.   Devote the majority of the caption (a MINIMUM of five sentences in length) to a descriptive interpretation of the weather phenomena observed. ...
• Any weather phenomena. ...   Photographing these phenomena may not be immediately evident. ...   How do living (humans, animals, and plants) and non-living materials (buildings, roads, houses) adapt to these phenomena?  .
•   Some of the best phenomena are observable around sunrise. ...
• Browse your textbook or a get a book on weather to get ideas.   You can even observe some weather photo competition winners at this site:.
• Weather Channel Photo Gallery: http://photo. weather. ...
• WHERE DO I GET HELP?  The textbook, weather books, and websites, particularly links 1-9 on my web page "RESOURCES FOR EARTH SCIENCE AND GEOGRAPHY INSTRUCTION"  http://www. ...
• Captions should have accurate descriptions as to the cause, characteristics, and if appropriate, the distribution of the phenomena in question.   If several photos show the same phenomena than it is not necessary to repeat the "cause" in each photo. ...

• For international dissemination, the section on supplementary information is used only to report available information on wind shear in the lower layers and recent weather phenomena of operational significance. ...
• REs's' - Recent weather phenomena of operational significance. ...
• Information on recent weather is given by the indicator letters RE followed by the appropriate abbreviations contained in Table A-10 if the following weather phenomena were observed during the hour since the last routine report but not at the time of the observation: .
• Weather is only included as recent weather if the same phenomenon (disregarding character of precipitation) of the same or greater intensity is not reported as present weather. ... However, moderate rain 20 minutes before the time of observation with a moderate rainshower at the time of observation is not reported as recent weather. ...
• Trend forecasts are included when a change, required to be indicated in accordance with the governing criteria for significant changes, is expected for one or several of the observed elements - wind, horizontal visibility, present weather, clouds, or vertical visibility. ...
• Inclusion of significant forecast weather w'w' using appropriate abbreviations from Table A-10 is restricted to indicate the onset, cessation, or change, in intensity of the following weather phenomena. ...
• - Other weather phenomena given in Table A-10 which are expected to cause a significant change in visibility. ...
• NSW - No Significant Weather .
• To indicate the end of significant weather phenomena w'w', the abbreviation NSW will replace w'w'. ...

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