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[Datastream #UMQ-409899]: Momentum parameters in GRIB-2

> Hi,
> If I'm not mistaken, we are getting some GRIB-2 forecaster gridded
> fields (latest one at 2105 Z) that have some unknown momentum parameters.
> Discipline 0, Category 2 (Momentum), Parameters 198, 199, 200
> I've looked at various sources of documentation, but probably not up to
> date since I just noticed this last week.
> Thanks!
> Kevin
> 
> 
Kevin,

Possibly related to announcements of additional tropical cyclone products for 
wind and surge. But not documented for parameter numbers yet.

Steve Chiswell
Unidata User Support




075 
NOUS41 KWBC 041657
PNSWSH

PUBLIC INFORMATION STATEMENT...COMMENT REQUEST 
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
100 PM EDT FRI MAY 4 2007

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: THERESE Z. PIERCE
 CHIEF...MARINE AND COASTAL SERVICES BRANCH  

SUBJECT: SOLICITING COMMENTS FOR EXPERIMENTAL PROBABILISTIC  
         HURRICANE STORM SURGE PRODUCTS THROUGH NOVEMBER 15 2007

BEGINNING JUNE 1 2007 AND CONTINUING THROUGH NOVEMBER 15 2007... 
THE NWS IS SEEKING USER FEEDBACK ON EXPERIMENTAL PROBABILISTIC 
STORM SURGE PRODUCTS ASSOCIATED WITH HURRICANES. 

THESE EXPERIMENTAL PRODUCTS WILL BE GENERATED BY THE NWS WHEN THE 
OFFICIAL NATIONAL HURRICANE CENTER /NHC/ FORECAST CALLS FOR A 
HURRICANE TO MAKE LANDFALL WITHIN 24 HOURS ALONG THE ATLANTIC OR 
GULF COASTS OF THE CONTINENTAL UNITED STATES. THE PRODUCTS WILL 
BE POSTED ONLINE AT: /USE LOWER CASE LETTERS/:

HTTP://WWW.WEATHER.GOV/MDL/PSURGE

A COMPREHENSIVE DESCRIPTION AND STATIC EXAMPLES OF THE 
EXPERIMENTAL PRODUCTS ARE POSTED AT THE ABOVE WEB SITE.  

USERS ARE ENCOURAGED TO PROVIDE FEEDBACK ON THESE EXPERIMENTAL 
PRODUCTS BY USING THE BRIEF SURVEY AND COMMENT FORM AVAILABLE 
ONLINE AT /USE LOWER CASE LETTERS/:

     HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=PHSS

A LINK TO THE EXPERIMENTAL STORM SURGE PRODUCTS IS ALSO PROVIDED 
BY NHC AT /USE LOWER CASE LETTERS/:

HTTP://WWW.NHC.NOAA.GOV/ABOUTEXPERIMENTAL.SHTML

IF YOU HAVE COMMENTS OR QUESTIONS...PLEASE CONTACT: 

    SCOTT KISER
    NATIONAL WEATHER SERVICE
    MARINE AND COASTAL SERVICES BRANCH
    1325 EAST WEST HWY
    SILVER SPRING MARYLAND 20910
    PHONE: 301-713-1677 EXTENSION 121

THIS AND OTHER NWS NATIONAL PUBLIC INFORMATION STATEMENTS ARE 
AVAILABLE ONLINE AT /USE LOWER CASE LETTERS/:

HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM

THIS MESSSAGE IS LISTED AT THE TOP OF THE PAGE...ABOVE THE 
SERVICE CHANGE NOTICE AND TECHNICAL IMPLEMENTATION NOTICE BOX.

$$


706 
NOUS41 KWBC 011745
PNSWSH

TECHNICAL IMPLEMENTATION NOTICE 07-31
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
145 PM EDT TUES MAY 1 2007

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:     GLENN AUSTIN
     DIGITAL SERVICES TRANSITION MANAGER
     OFFICE OF CLIMATE...WATER...AND WEATHER SERVICES 

SUBJECT:     PROBABILISTIC TROPICAL CYCLONE SURFACE WIND SPEED 
     ELEMENTS TO BECOME OPERATIONAL IN THE NATIONAL  
             DIGITAL FORECAST DATABASE ON MAY 31 2007 WITH THE 
             1200 UTC ISSUANCE

REFER TO:    TIN 07-32 ANNOUNCING SIGNIFICANT WAVE HEIGHT 
             ELEMENT BECOMING OPERATIONAL IN NDFD ON THE SAME 
             DATE
 
EFFECTIVE MAY 31 2007 WITH THE 1200 COORDINATED UNIVERSAL TIME 
/UTC/ FORECASTS...THE PROBABILISTIC TROPICAL CYCLONE SURFACE 
WIND SPEED ELEMENTS IN THE NATIONAL DIGITAL FORECAST DATABASE 
/NDFD/ WILL BE UPGRADED FROM EXPERIMENTAL TO OPERATIONAL STATUS.  
THESE ELEMENTS HAVE BEEN EXPERIMENTAL IN NDFD SINCE 
SEPTEMBER 2004.

THE PROBABILISTIC TROPICAL CYCLONE SURFACE WIND SPEED ELEMENTS 
ARE AVAILABLE THROUGH 120 HOURS AT 6 HOURLY INTERVALS AT 
5 KILOMETER SPATIAL RESOLUTION...FOR THE COTERMINOUS UNITED 
STATES /CONUS/ AND THE ADJACENT COASTAL WATERS...AND FOR THE 16 
PRE-DEFINED NDFD CONUS SUBSECTORS AND THE ADJACENT COASTAL 
WATERS. THESE FORECASTS ARE PROVIDED FOR THREE WIND SPEED 
THRESHOLDS: 34...50...AND 64 KNOTS.  TWO TYPES OF WIND SPEED 
PROBABILITIES...CUMULATIVE AND INCREMENTAL...ARE PROVIDED.  
DEFINITIONS OF THESE PROBABILITIES ARE AVAILABLE ON THE 
NATIONAL HURRICANE CENTER WEB PAGE AT /USE LOWER CASE LETTERS/:

HTTP://WWW.NHC.NOAA.GOV/ABOUTNHCPROBS.SHTML

AND IN THE LIST OF NDFD ELEMENT DEFINITIONS AT /USE LOWER CASE 
LETTERS/:

      HTTP://WWW.NWS.NOAA.GOV/NDFD/DEFINITIONS.HTM

USERS OF NDFD GRAPHICS...NDFD IN EXTENSIBLE MARKUP LANGUAGE 
/XML/ VIA WEB SERVICE...OR THE NEW EXPERIMENTAL NDFD WEB FEATURE 
SERVICE BEING IMPLEMENTED TODAY /MAY 1 2007/ ARE NOT AFFECTED BY 
THIS CHANGE IN STATUS FROM EXPERIMENTAL TO OPERATIONAL.

THIS CHANGE PRIMARILY AFFECTS USERS WHO PULL THESE ELEMENTS IN 
GRIDDED BINARY /GRIB2/ FORMAT FROM THE NWS FILE TRANSFER 
PROTOCOL /FTP/ SERVER...EITHER VIA THE INTERNET OR VIA THE 
FAMILY OF SERVICES SERVER ACCESS SERVICE.  THOSE USERS WILL NEED 
TO PULL THESE ELEMENTS FROM A DIFFERENT URL/S/ TO CONTINUE TO 
RECEIVE THE SIX PROBABILISTIC TROPICAL CYCLONE SURFACE WIND 
SPEED ELEMENTS AND MAY NEED TO UPDATE PROCEDURES AND/OR SCRIPTS 
TO ENSURE CONTINUED ACCESS TO THESE ELEMENTS.  

ADDITIONAL DETAILS ABOUT THIS IMPLEMENTATION...INCLUDING 
SPECIFIC INFORMATION FOR FTP USERS...ARE AVAILABLE AT /USE LOWER 
CASE LETTERS/:

     HTTP://WWW.WEATHER.GOV/NDFD/WAVEH_6TPC_OPER_IMPLEM.HTM

IF MAY 31 2007 IS A CRITICAL WEATHER DAY...THIS IMPLEMENTATION 
MAY BE POSTPONED. IN THAT CASE USERS WILL BE NOTIFIED OF THAT 
DECISION VIA A TECHNICAL IMPLEMENTATION NOTICE AS FAR IN ADVANCE 
AS POSSIBLE.

DETAILED INFORMATION ON OPTIONS FOR ACCESSING AND USING THE NDFD 
IS AVAILABLE AT /USER LOWER CASE LETTERS/:

HTTP://NDFD.WEATHER.GOV/TECHNICAL.HTM

A PRODUCT DESCRIPTION DOCUMENT /PDD/ FOR THE OPERATIONAL 
PROBABILISTIC TROPICAL CYCLONE SURFACE WIND SPEED ELEMENTS IN 
NDFD IS AVAILABLE AT /USE LOWER CASE LETTERS:/

HTTP://PRODUCTS.WEATHER.GOV/VIEWLIST.PHP

GO TO PAGE 10 FOR THE PDD DESCRIBING THE TROPICAL CYCLONE 
PROBABILISTIC SURFACE WIND SPEED GRIDDED DATA.

IF YOU HAVE QUESTIONS REGARDING THIS NOTICE...PLEASE CONTACT:

     TIMOTHY SCHOTT
     NATIONAL WEATHER SERVICE
     MARINE AND COASTAL SERVICES BRANCH
     1325 EAST WEST HIGHWAY
     SILVER SPRING MARYLAND 20910
     EMAIL:  address@hidden

IF YOU HAVE TECHNICAL QUESTIONS REGARDING THE NDFD DATA...PLEASE 
CONTACT:

     DAVID RUTH
     CHIEF...MESOSCALE PREDICTION BRANCH
     NATIONAL WEATHER SERVICE
     OFFICE OF SCIENCE AND TECHNOLOGY
     1325 EAST WEST HIGHWAY
     SILVER SPRING MARYLAND 20910
     E-MAIL:  address@hidden

TECHNICAL IMPLEMENTATION NOTICES SPECIFICALLY RELATED TO THE 
NDFD ARE AVAILABLE ONLINE AT /USE LOWER CASE LETTERS/:

     HTTP://WWW.WEATHER.GOV/NDFD/TINS.HTM

ALL NWS TECHNICAL IMPLEMENTATION NOTICES ARE POSTED AT /USE 
LOWER CASE LETTERS/:

     HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM

$$
NNNN


Ticket Details
===================
Ticket ID: UMQ-409899
Department: Support Datastream
Priority: Normal
Status: Closed