NOUS41 KWBC 241957
PNSWSH
SERVICE CHANGE NOTICE 09-14
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
300 PM EST TUE FEB 24 2009
TO: FAMILY OF SERVICES /FOS/ SUBSCRIBERS...NOAA
WEATHER WIRE SERVICE /NWWS/ SUBSCRIBERS...EMERGENCY
MANAGERS WEATHER INFORMATION NETWORK /EMWIN/
SUBSCRIBERS...NOAAPORT SUBSCRIBERS...OTHER NATIONAL
WEATHER SERVICE /NWS/ CUSTOMERS AND PARTNERS...
AND NWS EMPLOYEES
FROM: THERESE Z. PIERCE
CHIEF...MARINE AND COASTAL SERVICES BRANCH
SUBJECT: FORMAT CHANGES TO THE TROPICAL CYCLONE PUBLIC
ADVISORY PRODUCTS FOR THE ATLANTIC...EASTERN
PACIFIC...AND CENTRAL PACIFIC HURRICANE BASINS:
EFFECTIVE MAY 15 2009
EFFECTIVE MAY 15 2009...THE FOLLOWING FORMAT CHANGES WILL BE
MADE IN THE TROPICAL CYCLONE PUBLIC ADVISORY /TCP/ PRODUCT FOR
EASIER DECODING BY AUTOMATED PROGRAMS:
1. MODIFICATION OF THE STORM SUMMARY INFORMATION NEAR THE END
OF THE PRODUCT
AN EXAMPLE OF THE OLD FORMAT OR OLD REPEAT SECTION:
REPEATING THE 1100 PM AST POSITION...23.7 DEGREES N...72.2
DEGREES WEST...MOVEMENT TOWARD...NORTH-NORTHEAST AT 12 MPH.
MAXIMUM SUSTAINED WINDS...75 MPH. MINIMUM CENTRAL PRESSURE...997
MB.
EXAMPLE OF THE NEW FORMAT OR NEW STORM SUMMARY SECTION:
...SUMMARY OF THE 1100 PM AST POSITION...
LOCATION...23.7N 72.2W
MAXIMUM SUSTAINED WINDS...75 MPH
PRESENT MOVEMENT...NORTH-NORTHEAST OR 025 DEGREES AT 12 MPH
MINIMUM CENTRAL PRESSURE...997 MB
EXAMPLE OF THE NEW FORMAT WHEN THERE IS NO MOVEMENT:
...SUMMARY OF THE 1100 PM AST POSITION...
LOCATION...23.7N 72.2W
MAXIMUM SUSTAINED WINDS...75 MPH
PRESENT MOVEMENT...STATIONARY
MINIMUM CENTRAL PRESSURE...997 MB
2. CHANGE IN REFERENCE TO COORDINATED UNIVERSAL TIME /UTC/
AN EXAMPLE OF THE OLD FORMAT:
AT 11 PM EDT...0300Z...THE CENTER OF TROPICAL STORM...
AN EXAMPLE OF THE NEW FORMAT:
AT 11 PM EDT...0300 UTC...THE CENTER OF TROPICAL STORM...
THERE ARE NO CHANGES TO THE AWIPS IDENTIFIERS...WMO PRODUCT
HEADINGS OR PRODUCT ISSUANCE TIMES FOR THE TCP PRODUCTS.
AN EXAMPLE OF THE TCP PRODUCT FOR 2009 IS PROVIDED ONLINE AT
/USE LOWER CASE LETTERS/:
HTTP://WWW.NHC.NOAA.GOV/TCP_EXAMPLE.SHTML
THE NHC IS RESPONSIBLE FOR ALL METEOROLOGICAL DECISIONS
CONCERNING FORECASTING OF TROPICAL AND SUBTROPICAL SYSTEMS FOR
THE ATLANTIC OCEAN AND THE EASTERN PACIFIC OCEAN...NORTH OF THE
EQUATOR AND EAST OF 140 DEGREES WEST LONGITUDE.
THE CPHC IS RESPONSIBLE FOR ALL METEOROLOGICAL DECISIONS
CONCERNING FORECASTING OF TROPICAL SYSTEMS FOR THE PACIFIC OCEAN
NORTH OF THE EQUATOR FROM 140 DEGREES WEST TO 180 DEGREES WEST
LONGITUDE.
IF YOU HAVE QUESTIONS...PLEASE CONTACT:
TIMOTHY SCHOTT
NATIONAL WEATHER SERVICE
MARINE AND COASTAL SERVICES BRANCH
1325 EAST WEST HWY ROOM 13124
SILVER SPRING MARYLAND 20910
PHONE: 301-713-1677 EXTENSION 122
THIS AND OTHER SERVICE CHANGE NOTICES CAN BE FOUND ONLINE AT
/USE LOWER CASE LETTERS/:
HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF/HTM
$$
NNNN