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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
Operational Day 5 Tropical Cyclone Forecast The approval of this PDD authorizes the public dissemination of an operational Day 5 tropical cyclone forecast. Two products will require modification if Day 5 forecasts are approved: Scott Kiser 
Satellite Interpretation Message 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). The AORs for WFOs Honolulu vary and depend upon the program (tropical cyclone, aviation, marine, public, and satellite). Scott Kiser 
Post Tropical Cyclone Report (PSH) The PSH is an alphanumeric product summarizing the meteorological parameters observed within a Weather Forecast Offices County Warning Area after a tropical cyclone event. Scott Kiser 
Tropical Weather Discussion (TWD) The TWD is an alphanumeric product providing information on current atmospheric conditions at the surface and aloft such as tropical cyclones, mesoscale and synoptic scale features, and areas of shallow and deep convection. This product is prepared over the tropical and subtropical Atlantic and Pacific ocean areas by the Tropical Prediction Center and the Honolulu Weather Forecast Office. Scott Kiser 
Aviation Tropical Cyclone Advisory (TCA) The TCA is an alphanumeric text product produced by hurricane forecasters consisting of information extracted from the official National Hurricane Center forecasts. The TCA is intended to provide short-term tropical cyclone forecast guidance for international aviation purposes. Scott Kiser 
Tropical Cyclone Report (TCR) The Tropical Cyclone Report (TCR) is a post-event overview of a tropical cyclone comprised of a narrative describing the overall storm and a detailed listing of 6-hourly location and intensity data in both text and graphic format. The National Hurricane Center (NHC) and the Central Pacific Hurricane Center (CPHC) prepare TCRs within 90 days of any tropical cyclone that occurs within their respective Area of Responsibility (AOR). NHC issues TCRs for tropical cyclone activity in the Atlantic and eastern north Pacific (north of the equator and east of 140 degrees west longitude) basins. CPHC issues TCRs for tropical cyclone activity in the central North Pacific (north of the equator between 140W and 180 degrees west longitude) basin. Scott Kiser 
Tropical Cyclone Forecast Advisories (TCM) The is a text product prepared by the National Hurricane Center (NHC) and the Central Pacific Hurricane Center (CPHC) for tropical cyclones in their respective basin of responsibility. TCMs are issued for the Atlantic and eastern Pacific basins by the NHC. TCMs are issued for the central Pacific by the CPHC. The product title depends on the intensity of the tropical cyclone, to include: Tropical Depression Advisory, Tropical Storm Advisory, Hurricane/Typhoon Advisory. This product is also issued for subtropical storms. Scott Kiser 
Tropical Cyclone Position Estimate (TCE) The Tropical Cyclone Position Estimate (TCE) is an event-driven (non-routinely issued) alphanumeric product comprised of information concerning the location of the center of a tropical cyclone as determined by land-based radar fixes. The National Hurricane Center (NHC), the Central Pacific Hurricane Center (CPHC), and the Weather Forecast Office (WFO) Guam prepare TCEs on an event-driven basis for tropical cyclone activity within the effective range of land base radars. NHC issues TCEs for tropical cyclone activity in the Atlantic and eastern north Pacific (north of the equator and east of 140 degrees west longitude) basins. CPHC issues TCEs for tropical cyclone activity in the central North Pacific (north of the equator between 140W and 180W longitude) basin and WFO Guam for the northwest Pacific (U.S. territories or the Republic of Palau, Federated States of Micronesia, and Republic of the Marshall Islands north of the equator and from 130W - 180W longitude). Scott Kiser 
Tropical Cyclone Summary-Fixes (TCS) The TCS is an alphanumeric product which the Central Pacific Hurricane Center (CPHC) provides when there is a classifiable (using the Dvorak technique) tropical cyclone activity in the north central or south Pacific. The TCS is a satellite-based estimate of tropical cyclone location, movement, and intensity with a brief remarks section. Pacific Region's CPHC prepares TCS for a portion of their area of responsibility (AOR). The AORs for CPHC/Weather Forecast Office (WFO) Honolulu (CPHC is collocated with the Weather Forecast Office Honolulu) varies depending upon the program (tropical cyclone, aviation, marine, public, and satellite). For TCS program, CPHC's AOR is the area north of the equator between 140W - 180 longitude and from the equator to 25 S latitude between 120W to 160E. Scott Kiser 
Tropical Cyclone Update (TCU) The TCU is a brief alphanumeric text product which the National Hurricane Center (NHC) and the Central Pacific Hurricane Center (CPHC) issue to inform customers of unexpected or sudden changes in a tropical cyclone or to post or cancel watches and warnings. NHC and CPHC issue TCUs on an event-driven basis in lieu of or preceding special advisories. Scott Kiser 
Tropical Cyclone Danger Area The Tropical Cyclone Danger Area is a graphical marine product depicting a tropical cyclone's track (out to 72 hours) and shades in a danger area determined by adding 100, 200, and 300 nautical miles plus the 34 knot wind radii to the 24-, 48-, and 72- hour forecast position respectively in the Atlantic and east Pacific. For the central Pacific the shaded danger area will varying in width dependent upon the hurricane specialists confidence in the track and the length of the 34 knot wind radii. In addition, areas of possible tropical cyclone genesis (out to 36 hours) are included and depicted as either a circular, rectangle, oval, or polygon shaped area. The product is prepared by the TPC and covers the entire Atlantic north of the equator and the Pacific north of the equator from the Mexican and Central America coast west to 140 west. CPHC prepares a separate chart for 140 west to the International Dateline north of the equator. Scott Kiser 
Tropical Cyclone Discussion (TCD) The TCD is a text product prepared by the National Hurricane Center (NHC) and Central Pacific Hurricane Center (CPHC) for tropical cyclones in their respective basin of responsibility. The TCD provides forecasters' reasoning behind the analysis and forecast of a tropical cyclone. Discussions include prognostic reasoning; objective techniques employed; NHC, CPHC, and Hydrometeorological Prediction Center guidance used; coordinated 12-, 24-, 36-, 48-, 72-, 96-, and 120-hour tropical cyclone forecast positions and maximum sustained wind speed forecasts; other meteorological decisions; and plans for watches and warnings. This product is also issued for subtropical storms. Scott Kiser 

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