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NOUS41 KWBC 051514
PNSWSH
TECHNICAL IMPLEMENTATION NOTICE 09-39...AMENDED
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
1015 AM EST FRI FEB 5 2010
TO: SUBSCRIBERS:
-FAMILY OF SERVICES
-NOAA WEATHER WIRE SERVICE
-EMERGENCY MANAGERS WEATHER INFORMATION NETWORK
-NOAAPORT
OTHER NWS PARTNERS...USERS AND EMPLOYEES
FROM: TIM MCCLUNG
SCIENCE PLANS BRANCH CHIEF
OFFICE OF SCIENCE AND TECHNOLOGY
SUBJECT: AMENDED: CHANGES TO GFS MOS GUIDANCE EQUATIONS:
POSTPONED TO MARCH 3 2010
AMENDED TO POSTPONE EFFECTIVE DATE FOR UPDATING GFS MOS
EQUATIONS FROM FEBRUARY 9 2010 TO MARCH 3 2010
ON WEDNESDAY MARCH 3 2010...BEGINNING WITH THE 1200 COORDINATED
UNIVERSAL TIME /UTC/ RUN...THE NWS METEOROLOGICAL DEVELOPMENT
LABORATORY /MDL/ WILL UPDATE THE GLOBAL FORECAST SYSTEM /GFS/
-BASED MODEL OUTPUT STATISTICS /MOS/ SYSTEM. THESE CHANGES
WILL ALSO IMPACT THE GFS-BASED LOCALIZED AVIATION MOS PROGRAM
/LAMP/ PRODUCTS BEGINNING WITH THE 1600 UTC RUN.
THE GFS MOS CHANGES INCLUDE:
1. UPDATED EQUATIONS TO PRODUCE IMPROVED FORECAST GUIDANCE AT
PROJECTIONS OF 1 TO 4 DAYS IN ADVANCE IN THE SHORT-RANGE
PRODUCTS FROM THE 0000...0600...1200...AND 1800 UTC MODEL
RUNS. THE CHANGES ARE FOR THE FOLLOWING ELEMENTS:
DAYTIME MAXIMUM AND NIGHTTIME MINIMUM TEMPERATURE
2-METER TEMPERATURE
2-METER DEWPOINT TEMPERATURE
WIND SPEED
WIND DIRECTION
PROBABILITY OF A THUNDERSTORM /6 AND 12 HOUR/
CONDITIONAL PROBABILITY OF A SEVERE THUNDERSTORM /6 AND 12 HOUR/
CEILING HEIGHT CATEGORIES
CONDITIONAL PROBABILITY OF FREEZING PRECIPITATION
CONDITIONAL PROBABILITY OF SNOW
CONDITIONAL PRECIPITATION TYPE CATEGORIES
CATEGORICAL SNOWFALL AMOUNT /24 HOUR/
2. UPDATED EQUATIONS TO PRODUCE FORECAST GUIDANCE AT
PROJECTIONS OF 1 TO 7 DAYS IN ADVANCE IN THE EXTENDED-RANGE
PRODUCTS FROM THE 0000 AND 1200 UTC MODEL RUNS. THE CHANGES
ARE FOR THE FOLLOWING ELEMENTS:
DAYTIME MAXIMUM AND NIGHTTIME MINIMUM TEMPERATURE
2-METER TEMPERATURE
2-METER DEWPOINT TEMPERATURE
WIND SPEED
WIND DIRECTION
PROBABILITY OF A THUNDERSTORM /12 AND 24 HOUR/
CONDITIONAL PROBABILITY OF FREEZING PRECIPITATION OCCURRING
/12 HOUR/
CONDITIONAL PROBABILITY OF SNOW OCCURRING /12 HOUR/
CONDITIONAL PROBABILITY OF RAIN/SNOW MIX OCCURRING /12 HOUR/
CONDITIONAL PRECIPITATON TYPE CATEGORIES /12 HOUR/
CATEGORICAL SNOWFALL AMOUNT /24 HOUR/
3. THE NWS WLL CHANGE THE IDENTIFIERS USED FOR THREE STATIONS
IN THE GFS MOS AND LAMP PRODUCTS. BLAKELY GA WILL CHANGE FROM
K11J TO KBIJ...WINNER WILEY FIELD SD WILL CHANGE FROM KSFD TO
KICR...AND HUSLIA AK WILL CHANGE FROM PAHS TO PAHL.
4. NWS WILL REMOVE 19 STATIONS AND ADD 118 STATIONS TO THE
SHORT- AND EXTENDED-RANGE STATION-BASED PUBLIC TEXT MESSAGES
/KNOWN BY THEIR AWIPS IDS MAV AND MEX/ AND BUFR PRODUCTS. TEN
MARINE STATIONS WILL BE REMOVED AND 171 MARINE STATIONS WILL
BE ADDED TO THE GFS MOS MARINE TEXT PRODUCT /KNOWN BY THE
AWIPS ID MMG/ AND BUFR PRODUCTS. THESE STATION CHANGES WILL
BE REFLECTED IN THE UPDATED EQUATIONS AS WELL AS THE EQUATIONS
WHICH WERE NOT UPDATED FOR THE ELEMENTS BELOW:
-FORECASTS OF PROBABILITY OF PRECIPITATION
-QUANTITATIVE PRECIPITATION FORECASTS
-VISIBILITY
-OBSTRUCTION TO VISION
-OPAQUE SKY COVER.
THE STATION REMOVALS WILL ALSO IMPACT THE RIVER FORECAST
CENTER TEXT PRODUCT /KNOWN BY THE AWIPS ID FTP/.
THESE CHANGES WILL SLIGHTLY ALTER THE FORMAT OF THE MAV...
MEX... AND MMG TEXT PRODUCTS BECAUSE NEW LINES WILL BE ADDED
TO THE EXISTING BULLETINS TO ACCOMMODATE THE NEW STATIONS.
FOUR LINES WILL BE ADDED TO THE 1200 UTC MEX MESSAGE WITH THE
COMPLETION OF THE PRECIPITATION TYPE ELEMENTS. THE COMMUNICATION
IDENTIFIERS FOR THE TEXT AND BUFR PRODUCTS AFFECTED BY THIS
CHANGE ARE SHOWN IN THE TABLES BELOW.
A WEB PAGE OUTLINING THE STATION CHANGES AND MORE DETAILS
ABOUT THE UPDATES TO THE EQUATIONS IS ONLINE AT
/USE LOWERCASE/:
WWW.NWS.NOAA.GOV/MDL/SYNOP/TIN/GFSMOS2009.PHP
BEGINNING AT 1600 UTC GFS-LAMP WILL REMOVE 18 STATIONS FROM
THE PUBLIC TEXT /KNOWN BY ITS AWIPS ID AS LAV/ AND BUFR
MESSAGES FOR ALL CYCLES. A FULL DESCRIPTION OF THIS LAMP
CHANGE IS AVAILABLE AT /USE LOWERCASE/:
WWW.NWS.NOAA.GOV/MDL/GFSLAMP/DOCS/CHANGE_NOTICE_01222010.SHTML
TABLE 1. COMMUNICATION IDENTIFIERS FOR THE GFS-BASED MOS
PUBLIC WEATHER TEXT PRODUCTS.
WMO HEADING AWIPS ID WMO HEADING AWIPS ID
/SHORT RANGE/ /EXTENDED RANGE/
FOPA20 KWNO MAVPA0 FEPA20 KWNO MEXPA0
FOUS21 KWNO MAVNE1 FEUS21 KWNO MEXNE1
FOUS22 KWNO MAVSE1 FEUS22 KWNO MEXSE1
FOUS23 KWNO MAVNC1 FEUS23 KWNO MEXNC1
FOUS24 KWNO MAVSC1 FEUS24 KWNO MEXSC1
FOUS25 KWNO MAVRM1 FEUS25 KWNO MEXRM1
FOUS26 KWNO MAVWC0 FEUS26 KWNO MEXWC0
FOAK37 KWNO MAVAJK FEAK37 KWNO MEXAJK
FOAK38 KWNO MAVAFC FEAK38 KWNO MEXAFC
FOAK39 KWNO MAVAFG FEAK39 KWNO MEXAFG
TABLE 2. COMMUNICATION IDENTIFIERS FOR THE GFS-BASED MOS
MARINE TEXT PRODUCTS.
WMO HEADING AWIPS ID
FQPA20 KWNO MMGHI1
FQUS21 KWNO MMGNE1
FQUS22 KWNO MMGSE1
FQUS23 KWNO MMGGL1
FQUS24 KWNO MMGGF1
FQUS25 KWNO MMGNW1
FQUS26 KWNO MMGSW1
FQAK37 KWNO MMGAK1
TABLE 3. COMMUNICATION IDENTIFIERS FOR THE GFS-BASED MOS
RIVER FORECAST CENTER TEXT PRODUCTS.
WMO HEADING AWIPS ID
FOUS12 KWNO FTPCIN
FOUS12 KWNO FTPHFD
FOUS12 KWNO FTPKRF
FOUS12 KWNO FTPMSR
FOUS12 KWNO FTPPTR
FOUS12 KWNO FTPRHA
FOUS12 KWNO FTPRSA
FOUS12 KWNO FTPSLR
FOUS12 KWNO FTPTUR
FOAK12 KWNO FTPACR
TABLE 4. COMMUNICATION IDENTIFIERS FOR THE GFS-BASED MOS BUFR
PRODUCTS.
WMO HEADING WMO HEADING REGION
/SHORT RANGE/ /EXTENDED RANGE/
JSML30 KWNO JSMT30 KWNO PACIFIC REGION
JSML31 KWNO JSMT31 KWNO NORTHEAST CONUS
JSML32 KWNO JSMT32 KWNO SOUTHEAST CONUS
JSML33 KWNO JSMT33 KWNO NORTH CENTRAL CONUS
JSML34 KWNO JSMT34 KWNO SOUTH CENTRAL CONUS
JSML35 KWNO JSMT35 KWNO ROCKY MOUNTAIN CONUS
JSML36 KWNO JSMT36 KWNO WEST COAST CONUS
JSML37 KWNO JSMT37 KWNO ALASKA
TABLE 5. COMMUNICATION IDENTIFIERS FOR THE AFFECTED AIR FORCE
MOS TEXT PRODUCTS.
WMO HEADING AWIPS ID STATION REMOVED
/SHORT RANGE/
FOUS30 KWNO MAVF02 KPLB
FOUS30 KWNO MAVF14 KNQX
FOUS30 KWNO MAVF25 KMCC
/EXTENDED RANGE/
FEUS30 KWNO MEXF02 KPLB
FEUS30 KWNO MEXF14 KNQX
FEUS30 KWNO MEXF25 KMCC
TABLE 6. COMMUNICATION IDENTIFIERS FOR THE GFS-LAMP TEXT
PRODUCT AFFECTED BY THE REMOVAL OF STATIONS.
WMO HEADING AWIPS ID
FOUS11 KWNO LAVUSA
TABLE 7. COMMUNICATION IDENTIFIERS FOR THE GFS-LAMP BUFR
PRODUCTS AFFECTED BY THE REMOVAL OF STATIONS.
WMO HEADING REGION
JSMF10 KWNO PACIFIC REGION
JSMF11 KWNO NORTHEAST CONUS
JSMF12 KWNO SOUTHEAST CONUS
JSMF13 KWNO NORTH CENTRAL CONUS
JSMF14 KWNO SOUTH CENTRAL CONUS
JSMF15 KWNO ROCKY MOUNTAIN CONUS
JSMF16 KWNO WEST COAST CONUS
JSMF17 KWNO ALASKA
FOR QUESTIONS REGARDING GFS MOS GUIDANCE PRODUCTS... CONTACT:
KATHRYN GILBERT
MDL/SILVER SPRING MARYLAND
301-713-0023 EXT 130
KATHRYN.GILBERT@xxxxxxxx
FOR QUESTIONS REGARDING GFS LAMP GUIDANCE PRODUCTS... CONTACT:
JUDY GHIRARDELLI
MDL/SILVER SPRING MARYLAND
PHONE: 301-713-0056 EXT 194
JUDY.GHIRARDELLI@xxxxxxxx
LINKS TO THE MOS PRODUCTS...ALONG WITH DESCRIPTIONS...CAN BE
FOUND AT /USE LOWERCASE/:
HTTP://WWW.NWS.NOAA.GOV/MDL/SYNOP
NWS NATIONAL TECHNICAL IMPLEMENTATION NOTICES ARE ONLINE AT
/USE LOWERCASE/:
HTTP://WWW.WEATHER.GOV/OS/NOTIF.HTM
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