NOUS41 KWBC 201727 CCAPNSWSH Service Change Notice 11-01 CorrectedNational Weather Service Headquarters Washington DC 127 PM EDT Wed Apr 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: Corrected: Changes to Tropical Cyclone Text Products Issued by National Centers and Weather Forecast Office Guam: Effective May 15, 2011 Corrected to clarify format of Tropical Cyclone Discussion in Section 2 below. The examples remain unchanged. 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 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
(CPHC), Hydrometeorological
the Weather
Forecast Office (WFO)
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. In addition, the following changes will
occur:
a. column spacing in the TCD is
adjusted
b. the valid forecast time will now
be followed by H instead
of HR
c. the initials VT will no longer
appear next to the valid
forecast time
An example
can be found online at:
http://www.nhc.noaa.gov/2011_tcd.shtml
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
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 SPECIFICLOCATIONS, 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 121John.F.Kuhn@noaa.gov
National Service Change Notices are online at: http://www.weather.gov/os/notif.htm
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