| Product Name |
Brief Description |
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| Take Off Forecast Product | The Take Off Forecast is a text product produced by an automated program that is then edited and/or augmented by Forecasters or Hydro-Meteorological Technicians (HMTs). The automated program uses FRH model data output for pressure, the Terminal Aerodrome Forecast (TAF) for winds, and the Aviation Model Output Statistics (MAV) for temps and comes up in an editable display with the last 6 hours of obs displayed. The forecast includes an hour by hour prediction of the winds, temps, altimeter setting, and, sometimes, a forecast of wet or dry runway conditions expected on the airport within a 6 hour period from the time of issuance. Forecasts are updated every 6 hours. | TakeOffForecast.pdf |
| Terminal Aerodrome Forecast (TAF) | The TAF is an operational forecast consisting of the expected meteorological conditions significant to a given airport or terminal. TAFs always include a forecast of surface wind speed and direction, visibility, and clouds. | TAF.pdf |
| Three-Month Climate Outlooks (Contiguous U.S. and Alaska). | The Climate Prediction Center (CPC) issues a series of thirteen probabilistic three-month temperature and precipitation outlooks. | 3MCO_v2.pdf |
| Three-Month Outlooks Discussion (Contiguous U.S. and Alaska). | The Climate Prediction Center (CPC) provides a technical discussion of the meteorological and climatological basis for the outlooks. | 3MOD_v2.pdf |
| Three-month Probability of Exceedence Outlooks | The Climate Prediction Center (CPC) issues a series of thirteen three-month probability of exceedence outlooks for temperature, precipitation, and heating and cooling degree days for the conterminous U.S. | 3mpeo_v2.pdf |
| Tropical Cyclone Advisory Message | The Tropical Cyclone Advisory message (TCA) is an abbreviated alphanumeric text product which the National Hurricane Center (NHC) and the Central Pacific Hurricane Center (CPHC) issue. | TCA.pdf |
| Tropical Cyclone Cumulative Wind Distribution (CWD) Graphic | The CWD graphic is issued by the National Hurricane Center. It summarizes how the size of a storm has changed, and the areas potentially affected by sustained winds of tropical storm force (in orange) and hurricane force (in red) for tropical cyclones in the Atlantic and Eastern Pacific basins. This product is also issued for subtropical storms. | TC-CWD.pdf |
| 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.
| TropicalCycloneDangerArea.pdf |
| 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.
| TropCyclDisc.pdf |
| 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.
| TropCyclForecastsAdvisories.pdf |
| 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).
| TropicalCyclonePositionEstimates.pdf |
| Tropical Cyclone Public Advisories (TCP) | The TCP is a text product prepared by the National Hurricane Center (NHC), Central Pacific Hurricane Center (CPHC), and Weather Forecast Office (WFO) Guam, for tropical cyclones in their respective basin of responsibility. In the Atlantic and central Pacific TCPs are issued for all tropical cyclones by NHC and CPHC, respectively. In the eastern Pacific, NHC issues TCPs when watches or warnings are required, or if the tropical cyclone is expected to impact nearby land areas. In the western Pacific WFO Guam issues TCPs for all tropical cyclones expected to affect land within 48 hours. 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. | TropCyclPubl.pdf |
| 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.
| TropicalCycloneReports.pdf |
| Tropical Cyclone Storm Surge Probabilities | The product consists of a graphic and GRIB2 data for creating the graphic for the Gulf of Mexico and Atlantic coastal areas of the continental United States. The graphic shows probabilities, in percent, of storm surge exceeding
2 feet through 25 feet, at 1 foot intervals (e.g., the probabilities in percent, of storm surge exceeding 2 feet, 3 feet, 4 feet, …, 25 feet). This storm surge graphic is based upon an ensemble of Sea, Lake, and Overland Surge from Hurricanes (SLOSH) model runs using the National Hurricane Center (NHC) official advisory and accounts for track, size, and intensity errors based on historical errors.
| PSURGE2009operational.pdf |
| 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.
| TropicalCycloneSummaryFixes.pdf |