20060418: corrected fire wx outlook

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NOUS41 KWBC 181626 CCA
PNSWSH

SERVICE CHANGE NOTICE 06-19...CORRECTED
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
1230 PM EDT TUE APR 18 2006

TO:       FAMILY OF SERVICES /FOS/ SUBSCRIBERS...NOAA WEATHER
         WIRE SERVICE /NWWS/ SUBSCRIBERS...NOAAPORT SUBSCRIBERS
         ...EMERGENCY MANAGERS WEATHER INFORMATION NETWORK
         /EMWIN/ SUBSCRIBERS...FEDERAL AVIATION ADMINISTRATION
         /FAA/ CUSTOMERS...NATIONAL WEATHER SERVICE /NWS/
         EMPLOYEES...OTHER NWS CUSTOMERS AND USERS

FROM:     ELI JACKS
         CHIEF...FIRE AND PUBLIC WEATHER SERVICES BRANCH

SUBJECT:  CORRECTED: NEW FIRE WEATHER OUTLOOK AREAL OUTLINE
         PRODUCTS FROM THE STORM PREDICTION CENTER FOR CONUS
         USE ONLY: EFFECTIVE MAY 2 2006

CORRECTED TO SPECIFY THAT THE NEW SPC FIRE WEATHER PRODUCTS ARE
FOR CONUS USE ONLY.

EFFECTIVE TUESDAY...MAY 2 2006 AT 0400 AM CENTRAL DAYLIGHT
TIME /CDT/...0900 UNIVERSAL COORDINATED TIME /UTC/...THE NWS
STORM PREDICTION CENTER /SPC/ WILL BEGIN OPERATIONAL
DISSEMINATION OF THE FIRE WEATHER OUTLOOK AREAL OUTLINE PRODUCTS
/AWIPS ID: PFW/ FOR CONUS USE ONLY.

CUSTOMERS WHO WISH TO RECEIVE THESE PRODUCTS SHOULD ADD THE
COMMUNICATION IDENTIFIER INDICATED BELOW TO THE APPROPRIATE
DATABASES.
                                         WMO           AWIPS
PRODUCT                                   HEADER        ID

DAY 1 FIRE WEATHER OUTLOOK AREAL OUTLINE  FNUS31 KWNS   PFWFD1
DAY 2 FIRE WEATHER OUTLOOK AREAL OUTLINE  FNUS32 KWNS   PFWFD2

THESE PRODUCTS WILL COMPLEMENT THE OTHER SPC FIRE WEATHER
OUTLOOK PRODUCTS DISSEMINATED AT FIRE WEATHER OUTLOOK ISSUANCE
TIME... 0900 UTC.  THE CURRENT SUITE OF FIRE WEATHER PRODUCTS
ISSUED BY THE SPC INCLUDING THE NEW PFW PRODUCTS ARE AS FOLLOWS:

PRODUCT                       WMO HEADING   AWIPS ID

DAY 1 FIRE WEATHER OUTLOOK    FNUS21 KWNS   FWDDY1
DAY 1 REDBOOK GRAPHIC         PMWE98 KWNS   RBGFW1
DAY 1 OUTLOOK AREAL OUTLINE   FNUS31 KWNS   PFWFD1
DAY 2 FIRE WEATHER OUTLOOK    FNUS22 KWNS   FWDDY2
DAY 2 REDBOOK GRAPHIC         PMWI98 KWNS   RBGFW2
DAY 2 OUTLOOK AREAL OUTLINE   FNUS32 KWNS   PFWFD2

THE NEW PFW PRODUCTS CONTAIN LATITUDE AND LONGITUDE POINTS
DESCRIBING THE FIRE WEATHER OUTLOOK AREAS DISCUSSED IN THE
FWDDY1 AND FWDDY2 PRODUCTS AND DEPICTED IN THE RBGFW1 AND RBGFW2
REDBOOK GRAPHIC PRODUCTS.

AREAL OUTLINES IN THE NEW PFW PRODUCTS DEPICT THE FOLLOWING
AREAS:

 DTSM:  DRY THUNDERSTORM AREA
 CRIT:  CRITICAL FIRE WEATHER AREA
 EXTM:  EXTREMELY CRITICAL FIRE WEATHER AREA

LAT/LON VALUES IN THE PRODUCT ARE IN DECIMAL DEGREES.  FOR
EXAMPLE 34760394 IS 34.76N AND 103.94W.  NOTE...THE LONGITUDE
VALUES ARE CODED AS FOUR DIGITS...SO POINTS WEST OF 99.99W ARE
CODED WITH THE HUNDREDS DIGIT REMOVED...THAT IS THE NUMBER ONE
/1/ IS NOT INCLUDED.  IF AN AREA IS CLOSED... THE FIRST AND LAST
LAT/LON POINTS ARE THE SAME.

AN EXAMPLE OF THE PFWFD1 PRODUCT IS SHOWN BELOW IN TABLE 1.

TABLE 1:  EXAMPLE OF A DAY 1 FIRE WEATHER OUTLOOK AREAL OUTLINE.

FNUS31 KWNS 061000
PFWFD1

DAY 1 FIRE WEATHER OUTLOOK AREAL OUTLINE
NWS STORM PREDICTION CENTER NORMAN OK
0400 AM CST MON FEB 06 2006

VALID TIME 061200Z - 071200Z

FIRE WEATHER OUTLOOK POINTS DAY 1

...FIRE WEATHER CATEGORICAL...

DTSM   34760394 35429980 32579686 31579738 30890159 31380521
      31450532 34760394
DTSM   38061869 38711290 38820893 37090729 35820722 34490794
      34190873 34241191 34791307 35471550 35621730 35741834
      38061869
DTSM   44038447 40198091 40378875 44038447
CRIT   47181946 48621458 46671000 44540919 42031228 41681509
      42181694 43611904 44832029 47181946
EXTM   47060720 49270295 46809269 44049248 41139643 40680170
      41310586 43620704 47060720
EXTM   35858141 33657866 30518114 31058413 34348565 35668448
      35858141
&&

END OF EXAMPLE

THE ABOVE EXAMPLE INDICATES THE VALID TIME OF THE PRODUCT IS
FROM 1200 UTC ON FEB 6TH THROUGH 1200 UTC ON FEB 7TH.  THERE ARE
3 AREAS DEPICTED FOR DRY THUNDERSTORMS /DTSM/...ONE AREA
DEPICTED FOR CRITICAL FIRE WEATHER /CRIT/...AND TWO AREAS
DEPICTED FOR EXTREMELY CRITICAL FIRE WEATHER /EXTM/.

TO FURTHER ILLUSTRATE DECODING THE LAT/LON POINTS...THE FIRST
DRY THUNDERSTORM AREA HAS THE FOLLOWING LAT/LON POINTS:

DTSM   34760394 35429980 32579686 31579738 30890159 31380521
      31450532 34760394

WHICH CAN BE DECODED AS:

 34.76N 103.94W
 35.42N  99.80W
 32.57N  96.86W
 31.57N  97.38W
 30.89N 101.59W
 31.38N 105.21W
 31.45N 105.32W
 34.76N 103.94W

NOTE...THE LAST POINT IS THE SAME AS THE FIRST POINT AND
INDICATES A CLOSED AREA.

THE FORMAT OF THIS PRODUCT IS SIMILAR TO THE SPC CONVECTIVE
OUTLOOK AREAL OUTLINE PRODUCTS:

    WUUS01 KWNS PTSDY1
    WUUS02 KWNS PTSDY2
    WUUS03 KWNS PTSDY3

ALTHOUGH THIS NOTIFICATION IS LESS THAN THE REQUIRED 120 DAYS AS
SPECIFIED BY NWSI 10-1805...THE NEW AWIPS PRODUCT...WHICH IS A
REPACKAGING OF EXISTING FIRE WEATHER AREAL OUTLOOK INFORMATION
IN A MORE READABLE FORMAT...HAS BEEN SPECIFICALLY REQUESTED BY
SEVERAL FIRE WEATHER USERS.  SINCE WHAT MAY BE AN ESPECIALLY
BUSY FIRE WEATHER SEASON HAS ALREADY BEGUN...IT IS CRITICAL TO
GET THIS INFORMATION OUT TO USERS IN A MORE READABLE FORMAT.
ADDITIONAL INFORMATION ON SPC PRODUCTS CAN BE FOUND IN THE NWS
DIRECTIVES 10-512 AND 10-401 LOCATED AT /USE LOWER CASE
LETTERS/:

HTTP://WWW.NWS.NOAA.GOV/DIRECTIVES/SYM/PD01004001CURR.PDF
HTTP://WWW.NWS.NOAA.GOV/DIRECTIVES/SYM/PD01005012CURR.PDF

IF YOU HAVE ANY QUESTIONS...PLEASE CONTACT:

DR. RUSSELL SCHNEIDER                   GREGORY GROSSHANS
CHIEF SCIENCE SUPPORT BRANCH            METEOROLOGIST
STORM PREDICTION CENTER                 STORM PREDICTION CENTER
1313 HALLEY CIRCLE                      1313 HALLEY CIRCLE
NORMAN OK 73071                         NORMAN OK 73071
405-579-0704                            405-579-0720
RUSSELL.SCHNEIDER@xxxxxxxx
GREGORY.GROSSHANS@xxxxxxxx

THIS AND OTHER NWS SERVICE CHANGE NOTICES ARE AVAILABLE ONLINE
AT /USE LOWER CASE LETTERS/:

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

$$
NNNN



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