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National Weather Service
Report - listing of Operational Products in database, sorted by product name.
 
Product Name Brief Description     Click Here for "Printable" version of this list.
3 Day Space Weather ForecastA 3-Day Space Weather Forecast product to relay forecast information about anticipated space weather activity, in formats consistent with existing NOAA Scale thresholds and tailored to a government decision maker perspective.
3- to 14-day Hazards AssessmentThe Climate Prediction Center issues this product for the contiguous U.S. and Alaska to provide potential hazardous conditions from extreme temperature, high wind, heavy precipitation or lack of precipitation, and dry or moist soils and wildfire risk.
3- to 14-day Hazards Assessment DiscussionThe Climate Prediction Center (CPC) provides a text discussion for the contiguous U.S. and Alaska with technical insight to further assist in assessing potentially hazardous conditions in the 3-to 14-Day Hazards Assesment.
5-Day Graphical Tropical Weather Outlook The 5-Day Graphical Tropical Weather Outlook product is a visual companion to the 5-day (120 hour) forecast and discussion within the text Tropical Weather Outlook product. The product will be produced by the National Hurricane Center for the Atlantic and east Pacific basins
6- to 10-Day and 8- to 14-day Excessive Heat Outlooks (Contiguous U.S)The Climate Prediction Center (CPC) issues 6- to 10-Day and 8- to 14-Day excessive heat outlooks in probabilistic format for the Contiguous U.S.
6- to 10-Day and 8- to 14-day Maximum Heat Index PredictionThe Climate Prediction Center (CPC) issues 6- to 10-Day and 8- to 14-Day Maximum Heat Index Predictions for approximately 200 locations in the Contiguous U.S.
6- to 10-Day and 8- to 14-Day Mean North American 500 millibar OutlookThe Climate Prediction Center (CPC) issues these outlooks to provide insight into the 6- to 10-day and 8- to 14-day temperature and precipitation outlooks by indicating mean circulation patterns.
6- to 10-Day and 8- to 14-day Minimum Wind Chill Prediction (Contiguous U.S and Alaska)CPC will issue maps indicating the probability (in percent) that the minimum wind chill value will in the below normal category and below seven specific thresholds: 32F, 28F, 20F, 10F, 0F, -20F, and -40F. The wind chill index formula is described in Instruction 10-513 (WFO Winter Weather Products Specification)
6- to 10-Day and 8- to 14-Day Outlook Discussion (Contiguous U.S. and Alaska).The Climate Prediction Center (CPC) provides a technical discussion of the meteorological and climatological basis for the outlooks.
6- to 10-Day and 8- to 14-Day Outlooks (Contiguous U.S. and Alaska)The Climate Prediction Center (CPC) issues 6- to 10-Day and 8- to 14-Day outlooks in probabilistic format for the Contiguous U.S. and Alaska.
7- Day Evapotranspiration ForecastThe 7-day evapotranspiration forecast displays graphically on the Internet the expected amount of evapotranspiration in hundredths of an inch for each of the next 7 days using a reference crop of alfalfa. A second graphic is provided for each day that indicates whether the evapotranspiration is expected to be above or below normal. This product will be issued daily at 5 am local time on a seasonal basis (March 15-October 15).
ABRFC Recreational Forecast GraphicsThe National Weather Service (NWS) is the agency responsible for issuing river forecasts and flood warnings for the United States. This information is provided in order to protect life and property as well as to enhance the national economy. In cooperation with national, state and local agencies, as well as private organizations and the public, the NWS determines the river levels which correspond to the beginning of significant damage from high water. This level of water at a given river location is termed flood stage. The NWS issues special river forecasts and flood warnings when levels are expected to equal or exceed flood stage. In addition to problems caused by flooding, various users have danger and incur risk due to river fluctuations and river levels lower than flood stage. Examples of these types of users of river forecast information include navigation interests or the general public who use the river and river banks for recreational purposes. The experimental Recreational Forecast graphics are Internet web pages that depict the expected river levels for the Illinois River of Oklahoma, a very popular canoe and raft float stream. These expected stream flow levels are translated to a river floatability index based on guidelines provided by the Illinois River Association and the State of Oklahoma Scenic Rivers Commission. Recreational interests can use the information to better insure a safe experience on and near the river.
ADVANCED HYDROLOGIC PREDICTION SERVICE (AHPS) FLOOD INUNDATION MAP INTERFACEThe NWS River Forecast Centers produce river stage forecasts for more than three thousand locations in the U.S. These forecasts reference numeric gage heights at a single site along the river, generally in or near a city. Flood inundation maps are available for specific NWS forecast points where a flood inundation library has been developed through a partnership with Federal, state, and/or local agencies. Flood Inundation Maps show the extent of flooding expected spatially over a given area. This will indicate where roadways, streets, buildings, airports, etc., are likely to be impacted by floodwaters. Combined with river observations and NWS river forecasts, inundation maps provide decision-makers additional information needed to better mitigate the impacts of flooding and build more resilient communities.
Air Quality Index (AQI)The Air Quality Index (AQI)), also know as Clearing Index and Ventilation Index is both a text and graphical product produced by forecasters in support of the Fire Weather Program. The AQI has been used for many years by health and land management officials to help determine pollution and smoke dispersion on any given day. AQI numbers range from 0 (no dispersion) to 1000+ (excellent dispersion). When used as a Ventilation Index, values range from 0 to 100,000
Airman's Meteorological Advisories (AIRMET)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 Services Aviation Weather Center, Alaskan Aviation Weather Unit, and Weather Forecast Office Honolulu. AIRMET phenomena can affect the safety of aircraft operations. Bulletins contain details of potentially hazardous conditions over the continental United States, Alaska, Hawaii, and adjacent waters. An AIRMET will be issued when any of the following weather phenomena occur and affect an area of at least 3,000 square miles: Moderate icing, Moderate turbulence, Sustained surface wind of 30 knots or more, Ceilings less than 1,000 feet and/or visibility less than miles affecting over 50 percent of an area at any one time or, Extensive mountain obscuration (may be less than 3000 square miles for Pacific Ocean islands).
Alaska Graphic Area ForecastThe Alaska Graphic Area Forecast (GFA) is a graphical representation of forecasts contained in the text Area Forecasts (FA) for Alaska. The GFA is comprised of four separate graphics produced using NMAP software at the Alaska Aviation Weather Unit (AAWU).
Alaska Low Level Significant Weather Graphic (SWL)The Alaska Low Level Significant Weather Graphic (SWL) is a graphic product providing an outlook forecast of significant weather for aviation below 25,000 ft (FL250).
Alaska Region NDFD Grids 6kmPDD updated in 2014 to extend comment period. PDD updated in 2013 to extend comment period. PDD updated in 2012 to extend comment period. PDD updated in 2011 to extend comment period. PDD updated in 2010 to extend comment period and to update links. PDD updated in 2009 to include new elements: Hazards, Weather, Temperature, Dew Point, Wind Gust, Sky Cover, Apparent Temperature, Relative Humidity, Quantitative Precipitation Forecast (QPF) and Snow Amount. Under statute, the National Oceanic and Atmospheric Administration (NOAA) National Weather Service (NWS) is charged to collect data on climate, water, and weather, provide forecasts and warnings of severe weather in order to protect life and property, and create and disseminate forecasts and other weather information for the benefit of a wide range of weather sensitive businesses and activities. By capitalizing on rapid advances in science and technology and infusing these advances into its operations, the NWS has taken steps to proactively respond to ever changing and growing demands of its users. The most recent experimental digital datasets (and associated graphic forecast displays) integrated into NDFD are the following elements for Alaska: Maximum Temperature, Minimum Temperature, 12-hour Probability of Precipitation, Wind Speed, Wind Direction, and Significant Wave Height.
Alaskan Sea Surface Temperature AnalysisSea surface temperature analysis for the waters surrounding Alaska.
Approach and Departure Gate Forecasts for Convection (TRACON)TRACON Approach and Departure Gate Forecasts will complement the Collaborative Convection Forecast product by providing greater detail of convective occurrence. TRACON Approach and Departure Gate Forecasts will be developed for the 8 TRACONs New York, Atlanta,Houston, Dallas Fort Worth, Miami, Denver and Chicago. TRACON Approach and Departure Gate Forecasts will provide ATCSCC, ARTCC, TMU and TRACON a graphical product for planning air traffic flow safely and efficiently around convection into and out of the TRACON area. The graphic will provide easy to interpret color-coded convective forecasts and allow partners to make more informed decisions regarding the air traffic flow through the NAS.
Area Fire Weather Forecast Matrix (AFW) for WFO GSPLand management agencies in Georgia, North Carolina and South Carolina have expressed a need for easily accessible tabular forecast data similar to the Point Fire Weather Forecast Matrix (PFW), except that it encompass an entire fire weather zone instead of just a point. The requirement is for something similar to the existing Area Forecast Matrix (AFM), but with fire weather/smoke management parameters included. It would be tailored to facilitate fire behavior applications in the planning stage by land managers. An area fire weather matrix would satisfy this need well because it would allow agency specialists to quickly run sample fire behavior models for planning purposes for random areas outside of PFW forecast points. The experimental product will be called the Area Fire Weather Forecast Matrix (AFW) and would be generated routinely for all 56 zones in the WFO Greenville-Spartanburg (GSP) county warning area. (CWA) : The experimental AFW is produced by running a modified AFM formatter that uses the local digital forecast data base (DFD). The product will be generated via a GFE automation script every time grids are published by a forecaster. A script will also post the AFW to the WFO GSP website. No additional grids or forecaster intervention will be required.
Atlantic and Pacific High Wind and Associated SeasDepicts areas of strong winds and associated seas over large parts of the Atlantic and Pacific. Issued outside the hurricane season.
Atlantic Hurricane OutlookThe Climate Prediction Center (CPC) issues the Hurricane Outlook for the Atlantic basin. No outlook, however, can give certainty as to whether or not a particular locality will be impacted by a tropical storm or hurricane in any given year.
Audio Weather BriefingThe Audio Weather Briefing is an Internet-accessible recording that provides a wide suite of weather information. The recording contains information that alerts users to any hazardous weather that is forecast to affect the region for a period of seven days from the recording date, with a heavy emphasis on the current days weather. The recording explains, in broad and primarily non-technical terms, what weather features are expected to affect the region, as well as what specific weather hazards may result from these features (flooding, tornadoes, excessive heat, severe thunderstorms, tropical weather, fog, rip currents, etc.)
Aviation Area Forecast (FA)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). The FA is a forecast of visual meteorological conditions(VMC), clouds, and general weather conditions over an area the size of several states. In Alaska, the FA also includes forecasts of Instrument Flight Rule (IFR) conditions as well as other AIRMET and SIGMET information on thunderstorms, wind, icing and turbulence. Over CONUS and Hawaii, the FA must be used in conjunction with the in-flight aviation weather advisories to understand the complete weather picture. Together, they are used to determine forecast en-route weather and to interpolate conditions at airports for which no Terminal Area Forecasts (TAFs) are issued.

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