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National Weather Service
Report - listing of Operational Products in database, sorted by product Originator.
Product Name Brief Description     Click Here for "Printable" version of this list. Originator
NHC Audio Briefings (Podcasts) The National Hurricane Center (NHC) provides audio briefings (also called podcasts) when the media pool is activated by the NHC Public Affairs Officer. The audio feeds are created in mp3 format. The service is intended to provide users with additional information to enhance their ability to make planning and preparedness decisions. Currently, NHC media briefings are only broadcast on television or select radio stations, at the stations’ discretion. MP3 format allows the general public to access these briefings. The podcasts will also increase the distribution of NHC media briefings to additional outlets, to include newspapers and radio stations. Dennis Feltgen 
Convective SIGMET Convective Significant Meteorological Advisories (WST) is a text product describing the occurrence or expected occurrence of thunderstorms and related phenomena over the conterminous United States and adjacent coastal waters within 2 hours of issuance tim Dorothy Haldeman 
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). Dorothy Haldeman 
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. Dorothy Haldeman 
Meteorological Impact Statement (MIS) 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 Dorothy Haldeman 
Route Forecast 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 Dorothy Haldeman 
Significant Meteorological Information (SIGMET) 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. Dorothy Haldeman 
Space Weather for Aviation Service Providers The Space Environment Center (SEC) Space Weather for Aviation Service Providers web page combines graph and text presentations of near real-time solar and geophysical parameters of interest to the aviation industry. This page incorporates products and models which are driven by data and imagery from ground-based and space-based observations. The Space Weather for Aviation Service Providers web page displays retrieved and reformatted existing SEC products. Dorothy Haldeman 
Lightning Potential Index The Lightning Potential Index (LPI) is a web graphic that displays an index of lightning potential for various parts of the day, with a second day for planning purposes. This product will be issued routinely in the morning and updated as necessary. Douglas Crowley 
Weather Activity Planner The Weather Activity Planner (WAP) is an easy to use interface that permits public access to NOAAs National Weather Service (NWS) Weather Forecast Offices (WFOs) local digital forecast data base. The web page interface allows an individual to enter a range of values for specific weather parameters and obtain a forecast for the defined area of interest. The output is forecast data pulled directly from the local WFOs digital forecast data base, and represents average conditions for the next 7 days across a 5 km grid nearest the user-selected point. The resulting data is presented graphically, highlighting periods when the selected range of values applies. The tool helps satisfy e-gov initiatives by offering an avenue to obtain government-provided data. Douglas Young 
Flash Flood Potential Index The Flash Flood Potential Index (FFPI) is a text product produced by forecasters at the WFO SGX and WFO LOX using objective forecasts techniques based upon model data. Ratings of flash flood potential (numbers 0 through 4) for the next two days (today and tomorrow or tomorrow and the next day - depending on the issuance time) are calculated using precipitable water, winds aloft (700 mb), and forecaster knowledge of other atmospheric factors such as stability and atmospheric capping. The FFPI is issued during flash flood season from June 1st through September 30th. Ed Clark 
Observed Precipitation Map The National Weather Service (NWS) collects rainfall data to support its forecast and warning operations. Individual River Forecast Centers (RFCs)and Weather Forecast Offices typically provide rainfall collectives in text format and graphical format for their areas of responsibility. The National Centers for Environmental Prediction (NCEP) Climate Prediction Center (CPC), collects additional data from cooperative observers. This rainfall data is made available to HPC and is used extensively for verification purposes.This rainfall data is plotted on a map of the CONUS and made available to forecasters. The data is used for feedback on forecast accuracy and can be used in case studies and other scientific endeavors. Edwin Danaher 

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