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NOUS41 KWBC 272005
PNSWSH
TECHNICAL IMPLEMENTATION NOTICE 06-17
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
305 PM EST MON MAR 27 2006
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...NWS EMPLOYEES
FROM: PAUL HIRSCHBERG
CHIEF...SCIENCE PLANS BRANCH
OFFICE OF SCIENCE AND TECHNOLOGY /OST/
SUBJECT: ENHANCEMENTS OF GFS-BASED MOS THUNDERSTORM
PRODUCTS: EFFECTIVE APRIL 25 2006
ATTENTION: USERS OF THE MODEL OUTPUT STATISTICS /MOS/GUIDANCE
ON TUESDAY APRIL 25 2006...DURING THE 1200 COORDINATED UNIVERSAL
TIME /UTC/ MODEL CYCLE...NWS WILL REPLACE THE EQUATIONS USED TO
GENERATE THE GLOBAL FORECAST SYSTEM /GFS/ BASED MOS GUIDANCE FOR
THUNDERSTORM PROBABILITIES OVER THE CONTIGUOUS UNITED STATES.
THE NEW THUNDERSTORM GUIDANCE WILL REFLECT PROBABILITIES BASED ON
A 40 KILOMETER LAMBERT CONFORMAL GRID RATHER THAN THE PREVIOUSLY
USED 48 KILOMETER POLAR STEREOGRAPHIC GRID. THE GUIDANCE IS
AVAILABLE IN TEXT AND BUFR MESSAGES AND WILL NOW ALSO BE
AVAILABLE IN THE EXTENDED-RANGE 1200 UTC MESSAGES. THESE
THUNDERSTORM PRODUCTS WERE REDEVELOPED TO PREPARE FOR THE GRIDDED
MOS SUITE OUTLINED IN TIN 05-56 /PROVIDED IN A LINK BELOW/.
SHORT-RANGE GFS MOS GUIDANCE IS GENERATED FOUR TIMES A DAY FOR
PROJECTIONS OUT TO 84 HOURS IN ADVANCE. THE EXTENDED-RANGE GFS
MOS GUIDANCE IS GENERATED TWICE A DAY FOR PROJECTIONS OUT TO 192
HOURS IN ADVANCE. THE COMMUNICATION IDENTIFIERS FOR THESE
PRODUCTS ARE LISTED IN TABLE 1.
TABLE 1: WMO HEADING AND AWIPS IDENTIFIERS OF THE AFFECTED GFS
MOS GUIDANCE PRODUCTS
WMO HEADING AWIPS ID GEOGRAPHIC REGION
TEXT PRODUCTS
FOUS21 KNOW MAVNE1 NORTH EAST U.S.
FEUS21 KNOW MEXNE1 NORTH EAST U.S.
FOUS22 KNOW MAVSE1 SOUTH EAST U.S.
FEUS22 KNOW MEXSE1 SOUTH EAST U.S.
FOUS23 KNOW MAVNC1 NORTH CENTRAL U.S.
FEUS23 KNOW MEXNC1 NORTH CENTRAL U.S.
FOUS24 KNOW MAVSC1 SOUTH CENTRAL U.S.
FEUS24 KNOW MEXSC1 SOUTH CENTRAL U.S.
FOUS25 KNOW MAVRM1 ROCKY MOUNTAIN U.S.
FEUS25 KNOW MEXRM1 ROCKY MOUNTAIN U.S.
FOUS26 KNOW MAVWC1 WEST COAST U.S.
FEUS26 KNOW MEXWC1 WEST COAST U.S.
BUFR PRODUCTS
JSML31 KNOW NORTH EAST U.S.
JSMT31 KNOW NORTH EAST U.S.
JSML32 KNOW SOUTH EAST U.S.
JSMT32 KNOW SOUTH EAST U.S.
JSML33 KNOW NORTH CENTRAL U.S.
JSMT33 KNOW NORTH CENTRAL U.S.
JSML34 KNOW SOUTH CENTRAL U.S.
JSMT34 KNOW SOUTH CENTRAL U.S.
JSML35 KNOW ROCKY MOUNTAIN U.S.
JSMT35 KNOW ROCKY MOUNTAIN U.S.
JSML36 KNOW WEST COAST U.S.
JSMT36 KNOW WEST COAST U.S.
A PREVIOUSLY ISSUED TECHNICAL INFORMATION NOTICE REGARDING
GRIDDED MOS IS AVAILABLE AT /USE LOWER CASE LETTERS/:
HTTP://WWW.NWS.NOAA.GOV/OM/NOTIFICATION/OLD/TIN05-
56AAA_GFS_MOS_DELAY.TXT
LINKS TO THESE PRODUCTS...ALONG WITH DESCRIPTIONS...CAN BE FOUND
ONLINE AT /USE LOWER CASE LETTERS/:
HTTP://WWW.NWS.NOAA.GOV/MDL/SYNOP/PRODUCTS.SHTML
IF YOU HAVE ANY QUESTIONS OR COMMENTS PLEASE CONTACT:
KATHRYN HUGHES
MDL/SILVER SPRING MARYLAND
PHONE: 301 713 0023 EXT. 130
E-MAIL: KATHRYN.HUGHES@xxxxxxxx
THIS AND OTHER NWS TECHNICAL IMPLEMENTATION NOTICES ARE
AVAILABLE ONLINE AT /USE LOWER CASE LETTERS/:
HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM
$$
NNNN
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