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NOUS41 KWBC 202145
PNSWSH
PUBLIC INFO. STATEMENT...TECHNICAL IMPLEMENTATION NOTICE 01-30
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
445 PM EST TUE NOV 20 2001
TO: FAMILY OF SERVICES /FOS/ SUBSCRIBERS...NOAA WEATHER
WIRE SERVICE /NWWS/ SUBSCRIBERS...EMERGENCY MANAGERS
WEATHER INFORMATION NETWORK /EMWIN/ SUBSCRIBERS...OTHER
NATIONAL WEATHER SERVICE /NWS/ CUSTOMERS OF AVIATION
DATA AND FORECASTS...NWS EMPLOYEES
FROM: FRED TOEPFER
ACTING CHAIR...NWS COMMITTEE ON ANALYSIS AND FORECAST
TECHNIQUES IMPLEMENTATION /CAFTI/
SUBJECT: NEW WEATHER ELEMENTS TO BE ADDED TO THE AVIATION
MODEL MOS GUIDANCE PACKAGE...EFFECTIVE NOVEMBER 27 2001
...THE FOLLOWING CHANGES HAVE NO IMPACT ON NOAA WEATHER WIRE
SERVICE SUBSCRIBERS...
EFFECTIVE WITH THE 1800 UTC CYCLE ON NOVEMBER 27 2001...NEW
WEATHER ELEMENT GUIDANCE WILL BE ADDED TO THE 0600/1800 UTC AVN
MOS GUIDANCE PACKAGES. THESE PACKAGES...WHICH WERE FIRST
IMPLEMENTED IN OCTOBER 2001...WILL CONTAIN GUIDANCE FOR:
MAXIMUM/MINIMUM TEMPERATURE
2-M TEMPERATURE AND DEW POINT
TOTAL SKY COVER
WIND DIRECTION AND SPEED
PROBABILITY OF PRECIPITATION /POP/
PROBABILITY OF THUNDERSTORMS
CONDITIONAL PROBABILITY OF SEVERE WEATHER
CONDITIONAL PROBABILITY OF PRECIPITATION TYPES /FREEZING
RAIN OR SNOW/
PRECIPITATION TYPE
CEILING HEIGHT
THE ALPHANUMERIC TEXT MESSAGES ARE AVAILABLE ON AWIPS UNDER THE
MAV PRODUCT IDENTIFIER AND ON THE SATELLITE BROADCAST NETWORK
/SBN/ AND THE FAMILY OF SERVICES WITH THE WMO HEADERS:
FOPA20 KWNO...FOUS21-26 KWNO...AND FOAK37-39 KWNO. NOTE THAT
THESE ARE THE SAME PRODUCT IDENTIFIERS USED FOR THE 0000/1200 UTC
AVN MOS PACKAGES. THE 0600/1800 UTC GUIDANCE IS AVAILABLE FOR
THE SAME SITES AND IN THE SAME FORMAT AS THE CURRENT 0000/1200
UTC PACKAGES. PRODUCTS CONTAINING ALL OF THE AVN MOS GUIDANCE IN
BUFR ARE ALSO AVAILABLE. FOR THE WMO HEADERS OF THE BUFR
PRODUCTS...PLEASE SEE /USE LOWER CASE LETTERS/:
HTTP://WWW.NWS.NOAA.GOV/TDL/SYNOP/STADRG.HTM
GUIDANCE FOR PRECIPITATION AMOUNT...VISIBILITY...AND OBSTRUCTION
TO VISION WILL BE ADDED TO THE MESSAGES DURING THE SPRING OF
2002.
TECHNICAL PROCEDURES BULLETIN NO. 481 DESCRIBES THE 0600/1800 UTC
AVN MOS MESSAGES AND IS AVAILABLE AT THE FOLLOWING WEB SITE /USE
LOWER CASE/:
HTTP://WWW.NWS.NOAA.GOV/OM/TPB/INDDRAFT.HTM
THE 0600/1800 UTC PACKAGES ARE ISSUED AT APPROXIMATELY 1030/2230
UTC. BECAUSE THESE GUIDANCE PACKAGES WILL UPDATE THE 0000/1200
UTC PACKAGES...USERS MAY WANT TO RETAIN PREVIOUS 0000/1200 UTC
PRODUCTS TO ENSURE A COMPLETE SET OF WEATHER ELEMENT GUIDANCE.
IF YOU HAVE ANY QUESTIONS ABOUT THIS CHANGE...PLEASE CONTACT:
PAUL DALLAVALLE AT THE METEOROLOGICAL DEVELOPMENT LABORATORY IN
SILVER SPRING MARYLAND AT 301-713-1065 X 174...OR VIA E-MAIL:
PAUL.DALLAVALLE@xxxxxxxx.
THIS AND OTHER NWS TECHNICAL IMPLEMENTATION NOTICES ARE AVAILABLE
ON THE INTERNET AT /USE LOWER CASE/:
HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM
END
