NOUS41 KWBC 211434 PNSWSH Service Change Notice 11-01 National Weather Service Headquarters Washington DC 932 AM EST Fri Jan 21 2011 To: Subscribers: -Family of Services -NOAA Weather Wire Service -Emergency Managers Weather Information Network -NOAAPORT Other NWS partners and NWS employees From: Therese Z. Pierce Chief, Marine and Coastal Services Branch Subject: Changes to Tropical Cyclone Text Products Issued by National Centers and Weather Forecast Office Guam: Effective May 15, 2011 Effective May 15, 2011, the following changes to tropical cyclone text products will occur. While there are no changes to the product issuance criteria, AWIPS IDs, or WMO headings, users who parse portions of these products may need to make changes in their software applications. 1. Mass News Disseminator(MND)header block changes: a) Blank line will be added between the MND header block and the AWIPS header information for text products issued for the Atlantic and Eastern Pacific basins. This format is already used by the Central Pacific Hurricane Center and the Weather Forecast Office Guam. An example and a complete list of affected products with WMO headers and AWIPS IDs can be found at: http://www.nhc.noaa.gov/2011_mnd.shtml b) Standardization of PRODUCT TYPE LINE by the National Hurricane Center (NHC), Central Pacific Hurricane Center (CPHC), Hydrometeorological Prediction Center (HPC), and the Weather Forecast Office (WFO) Guam . Tropical Cyclone Public Advisory (TCP) products issued by HPC will adopt the format of the Product Type Line already used by NHC, CPHC and WFO Guam. The standardized format for the Product Type Line is: (TROPICAL CYCLONE TYPE)(NAME) ADVISORY NUMBER (NN) In addition, the TROPICAL CYCLONE TYPE in the products issued by NHC, CPHC, and WFO Guam, and in the TCP products issued by HPC, will account for a broader range of tropical cyclone types. The complete list of (TROPICAL CYCLONE TYPE) which may be used effective May 15, 2011 is: TROPICAL DEPRESSION TROPICAL STORM HURRICANE TYPHOON SUBTROPICAL DEPRESSION SUBTROPICAL STORM POST-TROPICAL CYCLONE REMNANTS OF An example and a complete list of affected products with WMO headers and AWIPS IDs can be found at: http://www.nhc.noaa.gov/2011_types.shtml 2. In the Tropical Cyclone Discussion (TCD) issued by NHC and CPHC a new column with intensity in miles per hour (mph) will be added. WMO headers and AWIPS IDs of affected products are: Product Name WMO Header AWIPS ID Tropical Cyclone Discussion WTNT41-45 KNHC TCDAT1-5 Tropical Cyclone Discussion WTPZ41-45 KNHC TCDEP1-5 Tropical Cyclone Discussion WTPA41-45 PHFO TCDCP1-5 An example can be found at: http://www.nhc.noaa.gov/2011_tcd.shtml 3. The abbreviation for kilometers per hour will change to KM/H. In the TCP, Tropical Cyclone Update (TCU), when the summary section is included, and in the Tropical Cyclone Surface Wind Speed Probabilities (TCSWSP) products issued by NHC and CPHC, the abbreviation of kilometers per hour will change from KM/HR to KM/H. This change also affects the TCP issued by WFO Guam. Also in the TCSWSP, the abbreviation of kilometers per hour in table II, WIND SPEED PROBABILITY TABLE FOR SPECIFIC LOCATIONS, will change from KPH to KM/H. Examples and a complete list of affected products with WMO headers and AWIPS IDs can be found at: http://www.nhc.noaa.gov/2011_kmh.shtml If you have any questions...please contact John Kuhn National Weather Service 1325 East West Highway Room 13124 Silver Spring, Maryland 20910 301 713 1677 extension 121 John.F.Kuhn@noaa.gov National Service Change Notices are online at: http://www.weather.gov/os/notif.htm $$
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