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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.
Extreme Wind Warning (EWW)The Extreme Wind Warning (EWW) is a text product prepared by the National Weather Service (NWS) Weather Forecast Offices (WFOs). The product warns of imminent or impending extreme winds associated with a landfalling hurricane.
Fire Weather OutlookElements in National Digital Forecast Database (NDFD)Two digital data elements in the NDFD, and associated web imagery, forecasting fire weather conditions, originating from the Storm Prediction Center: - Fire Weather Outlook Critical/Extremely Critical Areas (Days 1-7) - Fire Weather Outlook Critical Areas for Dry Thunderstorms (Days 1-3)
Fire Weather Planning Forecast (FWF) Text Format– Due to varied terrain, vegetation and climatology, the Fire Weather Planning Forecast (FWF) in the western U.S. requires varying amounts of forecaster editing following production of draft text from GFE formatters. This FWF text format utilizes left-justified asterisks to begin each line of text. The asterisks help maintain proper word wrapping and indentations in the AWIPS text editor, significantly reducing the amount of time needed to “post edit” the product before dissemination. The format change is accomplished through use of a FWF GFE formatter developed by Western Region.
Fire Weather Point Forecast Matrix Land management agencies in Georgia and North Carolina have expressed a need for easily accessible tabular forecast data that is tailored toward fire behavior applications. A fire weather version of the Point Forecast Matrix (PFM) table fits this need well because it allows agency specialists to quickly run simple fire behavior models for planning purposes. The product is called the Fire Weather Point Forecast Matrix (PFW) and is generated routinely for the National Fire Danger Rating System (NFDRS) sites or other areas as determined by the users. This additional data will help land management agencies to ensure the safety of fire crews as well as better plan prescribed burns and other projects in a cost and resource effective manner. Also, land managers have expressed a need for better tools to predict and manage smoke dispersion. They have also requested that the NWS include an Atmospheric Dispersion Index (ADI) and Low Visibility Occurrence Risk Index (LVORI) in the PFW product. WFO Fire Weather PFW’s are generated for the Remote Automated Weather Station (RAWS)/NFDRS sites using an edited version of the standard PFM formatter. This formatter produces needed fire weather parameters from the local WFO’s Digital Forecast Database (DFD). PFW's can be generated for any grid point in a DFD based upon user request. The web delivery of the product for fire weather customers will include a disclaimer at the top of the page stating “This product is for planning and review purposes only and is not to be substituted for an official fire weather spot forecast. The data displayed are calculated from a 5.0 by 5.0 km digital database and only approximates weather conditions in highly varying terrain. Please relay any comments you have to your local NWS office. An example of the PFW can be seen at: .
Fire Weather Threat 4-Panel GraphicThe Fire Weather Threat 4-Panel Graphic displays on the Internet several parameters that are critical for fire weather. In the upper left corner of the graphic is a ?Red Flag Risk Index? based on forecast minimum relative humidity (RH) and forecast maximum sustained wind. In the upper right hand corner is the Red Flag Risk Index for the current hour based on the GFE RH and wind observation database. In the lower left corner is the Haines Threat Index based on the forecast high level Haines Index and forecast minimum relative humidity. A second graphic is available based on the Forecast Haines Index and the current relative humidity from the GFE observation database. In the lower right hand panel three graphics reside. The probability of 25% or lower RH, 15% or lower RH, and the current observed RH.
Fire Weather Watch/Warning DisplayThe Fire Weather "Red Flag" Watch/Warning Display provides an HTML visual display of all fire weather "Red Flag" watch/warnings that are currently in effect across the western U.S.
Five Day Sea Ice ForecastForecast sea ice conditions over the waters surrounding Alaska valid at the day five period.
Flash Flood Potential IndexThe 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.
Flash Flood Potential RatingThe Flash Flood Potential Rating (FFPR) is both a text and graphical product produced by forecasters at the WFO SLC using GFE/IFPS. Ratings of flash flood potential (numbers 1 through 6) for the next two days (today and tomorrow or tomorrow and the next
Forecast Icing Potential (FIP)The Forecast Icing Potential (FIP) product is an automatically-generated forecast index of icing potential developed by the In-Flight Icing Product Development Team sponsored by the Federal Aviation Administration?s Aviation Weather Research Program.
Forecast of Reference Crop Evapotranspiration (FRET) for Short Canopy VegetationFRET is the expected depth of water (in hundredths of inches) that would evaporate and transpire from a reference crop under the forecast weather conditions on a daily and weekly basis over the next 7 days. The FRET is for short crops with an approximate height of 12 cm similar to full cover grasses. Daily FRET grids for the next 7 days, total FRET grids for the 7-day period, FRET departure from normal grids, and climatology grids for reference evapotranspiration are available via a web page interface for the nation via the NDFD.An ETT text product composed of a supplemental table generated from the gridded data is available at:
GIS Compatible NDFD Data on the WFO Internet PageNOAAs National Weather Service (NWS) Weather Forecast Offices (WFOs) produce graphical forecasts for the National Digital Forecast Database (NDFD). The NDFD forecasts are available to the public in GRIB2 format, a World Meteorological Organization standard. Unfortunately, this format is not widely used outside of the meteorological community. In this project GRIB2 files from the MFR county warning and forecast area are converted to shapefile format and posted to the internet webpage.
Global Tropics Hazards/ Benefits AssessmentThe Global Tropics Hazards/Benefits Assessment, issued by the Climate Prediction Center (CPC), provides an outlook for the upcoming week 1 and week 2 time periods for areas expecting extensive and persistent enhanced / suppressed rainfall and regions where conditions are especially favorable / unfavorable for tropical cyclogenesis.
GovDelivery Southeast River Forecast Center (SERFC) Subscription ServiceGovDelivery is a subscription service that serves as an efficient means of notifying partners of the issuance of critical SERFC products. GovDelivery specializes in the unique distribution of government information, and currently has contracts in place with many other state and federal agencies, including FEMA.
Graphical - Weather Story of the DayThe Graphical "Weather Story of the Day" is a graphical representation (product) which depicts the most important weather feature in the forecast area of responsibility of individual NWS Weather Forecast Offices (WFO). The "Weather Story of the Day" is not time dependent. That is, the product depicts the most significant weather feature through the 7-day forecast period. A graphical user interface allows the forecaster to include a brief text, a few sentences in length, describing the "Weather Story of the Day" graphical product.
Graphical Airman 's Meteorological Advisory (G-AIRMET)The graphical Airman’s Meteorological Advisory (G-AIRMET) is a BUFR-formatted time-series depiction of aviation hazards occurring with occasional or greater frequency throughout the conterminous U.S. and adjacent coastal waters (NWS, 2005a). G-AIRMET is available to users via the Internet web site. This product provides a graphical depiction of the standard AIRMET text product from AWC, and covers the CONUS only
Graphical Aviation Time SeriesThe National Weather Service's (NWS) Graphical Aviation Time Series (GATS) is an optional product displaying a time series of various weather elements important to aviation. The weather elements displayed in time series format include, but may not be restricted to, temperature, dew point, relative humidity, heat index, wind chill, altimeter setting, wind direction, wind speed, wind gust, ceiling height, visibility, and precipitation. These time-series graphs are created by downloading 5-minute ASOS observations once each hour, with a 24-hour floating window of data available.
Graphical Convective Outlook for the Alaska FIR The Alaska Aviation Weather Unit (AAWU) issues area forecasts that include thunderstorm information for each zone. These forecasts contain information as to the timing and some detail in a text format. This new product would provide this information in a graphical format. It will be the convective guidance for 0-12 and 12-24-hour time periods. Included are areas where convection will occur as isolated, scattered, or numerous. Severe convection potential would be outlined. Other details such as the thunderstorm bases and tops, timing of development, and some graphical reasoning indicated.
Graphical Forecast TableThe National Weather Service's (NWS) Graphical Forecast Table provides a graphical representation of digital/tabular forecasts of maximum temperature, minimum temperature, probability of precipitation, 3- hourly temperatures,dewpoint temperatures, relative humidity, sky condition, wind direction and speed,obstruction to visibility, and precipitation type.
Graphical Hazardous Weather OutlookThe Graphical Hazardous Weather Outlook will display graphically on the internet the weather hazards for the WFO County Warning Area (CWA) for 24 hour periods beginning with the current day and continuing through day 7. It is intended to supplement the Hazardous Weather Outlook text product.
Graphical Local Hazardous Weather OutlookThe National Weather Service has implemented a daily Hazardous Weather Outlook (HWO) text product. Its main focus is identifying all potential weather hazards during the next 24 hour time frame. The Local Hazardous Weather page ismeant to build off of the HWO text product, providing a more detailed aerial graphical depiction of the threat type and coverage.
Graphical Milepost ForecastThe Graphical Milepost Forecast allows the user to check the forecast in either meteogram or table format for the next 24 hours at mileposts along all major highways across the Pendleton CWA.
Graphical Severe Weather WarningsThe Graphical Severe Weather Warning (GSWW) combines the polygon generated by WARNGEN for a TOR or SVR issuance with a current radar reflectivity image, high-detail GIS map backgrounds showing roads, cities, and terrain, and a summary of demographic information for the population at risk. The GSWW also contains the text of the warning and any subsequent SVSs issued for that warning....
Graphical Short Term Forecast Product GraphiCastThe Graphical Short Term Forecast Product (GraphiCast) is a graphical representation of the short term weather forecast (0 to 6 hours) in the forecast area of responsibility of individual NWS Weather Forecast Offices (WFO). It depicts current radar, satellite, or observation imagery with graphical and text annotations showing forecast weather conditions in the next several hours. In rapidly developing situations, it is updated at least hourly.
Graphical Tropical Weather Outlook This document describes the Graphical Tropical Weather Outlook (TWO) produced by the National Hurricane Center (NHC) for the Atlantic and Eastern Pacific Hurricane basins and by the Central Pacific Hurricane Center (CPHC) for the Central Pacific Hurricane basin. This product is a visual companion product to the text TWO. The following changes have been made for effective May 15 for NHC Products and June 1 for CPHC Products: NHC:1. The current location of all active tropical cyclones will be included on the 5-day GTWO. 2. The current location of potential tropical cyclones will be included on the 2-day and 5-day GTWO. 3. The current location of the potential tropical cyclones will be depicted by an x, with the number of the potential cyclone (e.g., One) displayed above the x. The x will be color coded based on the forecast likelihood of tropical cyclone formation during the 2- or 5-day period corresponding to that graphic: - Yellow, 30 percent or less chance - Orange, 40-60 percent chance - Red, 70 percent or greater chance A swath showing the forecast development area of the potential tropical cyclone will not be shown on the 5-day GTWO to avoid confusion with the existing 5-day track forecasts that will be provided for those systems. 4. The current location of potential tropical cyclones will not be included in the shapefile that accompanies each issuance of the GTWO. Users will be directed to the shapefiles accompanying the full forecast advisory for potential tropical cyclones. The forecast advisory shapefiles will include the current location and forecast track of the potential tropical cyclone. CPHC:Beginning on or around June 1, 2017, the Central Pacific Hurricane Center (CPHC) will expand its 2-Day Tropical Weather Outlook (TWO) to 5 days. CPHC will also introduce a 5-Day Graphical Tropical Weather Outlook (GTWO) graphic in addition to 2-Day graphic already available. These changes will allow all NWS TWO and GTWO products to have the same valid times and formats. The 5-Day TWO from CPHC will provide a current assessment in plain language of areas of disturbed weather and their potential for tropical formation over the next 120 hours for the central Pacific basin. Like the 2-Day TWO, the new 5-Day TWO will provide probabilistic information, in 10-percent increments, about a system's potential for developing into a tropical cyclone. The forecast and discussion will be provided on a disturbance-by-disturbance basis for both the 2-day and 5-day periods for the central Pacific basin.

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