[nws-changes] 20070213: GFS-based MOS thunderstorm guidance for Alaska-Fwd: ADMIN NOTICE NOUS41 KWBC]

NOTE: The nws-changes mailing list is no longer active. The list archives are made available for historical reasons.


-------- Original Message --------

379 NOUS41 KWBC 131712
PNSWSH

TECHNICAL IMPLEMENTATION NOTICE 08-10
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
1215 PM EST WED FEB 13 2008

TO:  SUBSCRIBERS:
         -FAMILY OF SERVICES
         -NOAA WEATHER WIRE SERVICE
         -EMERGENCY MANAGERS WEATHER INFORMATION NETWORK
         -NOAAPORT
         OTHER USERS...PARTNERS AND NWS EMPLOYEES

FROM:  PAUL HIRSCHBERG
 CHIEF...SCIENCE PLANS BRANCH
 OFFICE OF SCIENCE AND TECHNOLOGY /OST/

SUBJECT: ADDITION OF GFS-BASED MOS THUNDERSTORM GUIDANCE FOR ALASKA: EFFECTIVE MAY 1 2008
ON MAY 1 2008...THE NWS WILL PRODUCE NEW GLOBAL FORECAST SYSTEM 
/GFS/ - BASED MODEL OUTPUT STATISTICS /MOS/ THUNDERSTORM GUIDANCE 
FOR ALASKA. THE GUIDANCE WILL BE ADDED TO THE ALASKA SHORT RANGE 
/MAV/ AND EXTENDED RANGE /MEX/ TEXT AND BUFR PRODUCTS.
THE NEW MOS THUNDERSTORM GUIDANCE FOR ALASKA WILL REFLECT 
PROBABILITIES BASED ON A 48 KILOMETER POLAR STEREOGRAPHIC GRID.  
THE MAV GUIDANCE WILL BE GENERATED FROM THE 0000...0600...1200 
AND 1800 UNIVERSAL COORDINATED TIME /UTC/ MODEL RUNS...AND WILL 
CONTAIN 6 AND 12 HOUR THUNDERSTORM PROBABILITIES FOR PROJECTIONS 
OUT TO 84 HOURS IN ADVANCE. THE MEX GUIDANCE WILL BE GENERATED 
FROM THE 0000 AND 1200 UTC MODEL RUNS AND WILL CONTAIN 12 AND 24 
HOUR PROBABILITIES OUT TO 156 HOURS IN ADVANCE. THE COMMUNICATION 
IDENTIFIERS FOR THESE PRODUCTS ARE LISTED IN TABLE 1. 

THE MOS THUNDERSTORM PRODUCTS ALSO WILL BE PROVIDED IN GRIB2 
FORMAT AS PART OF THE NATIONAL DIGITAL GUIDANCE DATABASE /NDGD/.
SEE TECHNICAL IMPLEMENTATION NOTICE /TIN/ 07-82 FOR ADDITIONAL 
INFORMATION.
NOTE THAT THE ALASKA THUNDERSTORM GUIDANCE WILL ONLY BE VALID 
DURING THE WARM SEASON PERIOD FROM MAY 1 THROUGH SEPTEMBER 30.  
AS A RESULT THE T06 AND T12 LINES IN THE MAV AND THE T12 AND T24 
LINES IN THE MEX TEXT PRODUCTS WILL BE MISSING DURING THE PERIOD 
OF OCTOBER 1 THROUGH APRIL 30.
THIS CHANGE WILL HAVE NO IMPACT ON THE THUNDERSTORM GUIDANCE FOR 
THE CONUS CURRENTLY PROVIDED IN THE GFS MOS TEXT AND BUFR 
PRODUCTS.
TABLE 1. COMMUNICATION IDENTIFIERS FOR THE GFS-BASED MOS  
PUBLIC WEATHER TEXT AND BUFR PRODUCTS FOR ALASKA:  

    TEXT WMO HEADINGS       AWIPS ID 
    /SHORT RANGE GFS TEXT/           
    FOAK37 KWNO             MAVAJK  
    FOAK38 KWNO             MAVAFC  
    FOAK39 KWNO             MAVAFG
     
    /EXTENDED RANGE GFS TEXT/
    FEAK37 KWNO             MEXAJK
    FEAK38 KWNO             MEXAFC
FEAK39 KWNO MEXAFG JSML37 KWNO /SHORT RANGE GFS BUFR PRODUCT/ JSMT37 KWNO/EXTENDED RANGE GFS BUFR PRODUCT/ TECHNICAL DOCUMENTS DESCRIBING THE MAV AND MEX PRODUCTS ARE AVAILABLE ONLINE AT /USE LOWER CASE LETTERS/:
  HTTP://WWW.NWS.NOAA.GOV/MDL/SYNOP/TPB/MDLTPB05-07.PDF
  HTTP://WWW.NWS.NOAA.GOV/MDL/SYNOP/TPB/MDLTPB05-03.PDF
  HTTP://WWW.NWS.NOAA.GOV/MDL/SYNOP/TPB/MDLTPB05-04.PDF

FOR QUESTIONS ABOUT THESE ALASKA MOS THUNDERSTORM PRODUCTS... PLEASE CONTACT:
    PHILLIP SHAFER
    MDL/SILVER SPRING MARYLAND
    PHONE:  301-713-0023 EXT. 176
    E-MAIL: PHIL.SHAFER@xxxxxxxx

LINKS TO THE MOS PRODUCTS...ALONG WITH DESCRIPTIONS...CAN BE FOUND AT /USE LOWER CASE LETTERS/...
  HTTP://WWW.NWS.NOAA.GOV/MDL/SYNOP

NWS TECHNICAL IMPLEMENTATION NOTICES ARE AVAILABLE ONLINE AT /USE LOWER CASE LETTERS/:
  HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM

$$
NNNN




  • 2008 messages navigation, sorted by:
    1. Thread
    2. Subject
    3. Author
    4. Date
    5. ↑ Table Of Contents
  • Search the nws-changes archives: