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288
NOUS41 KWBC 181746
PNSWSH
SERVICE CHANGE NOTICE 05-39
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
145 PM EDT TUE OCT 18 2005
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...AND FEDERAL
AVIATION ADMINISTRATION /FAA/ CUSTOMERS
FROM: ELI JACKS
CHIEF...FIRE AND PUBLIC WEATHER SERVICES BRANCH
SUBJECT: REMOVAL OF THE AREAL DESCRIPTION RELATIVE TO ANCHOR
POINTS IN STORM PREDICTION CENTER SEVERE WEATHER OUTLOOK
PRODUCTS FOR DAYS 1 AND 2: EFFECTIVE FEBRUARY 14 2006
EFFECTIVE TUESDAY FEBRUARY 14 2006 AT 800 AM CENTRAL STANDARD TIME
/CST/...900 AM EASTERN STANDARD TIME /EST/...1400 UNIVERSAL
COORDINATED TIME /UTC/...NWS WILL REMOVE THE AREAL DESCRIPTION
RELATIVE TO ANCHOR POINTS LOCATED BEFORE THE SYNOPSIS SECTION OF
THE SEVERE WEATHER OUTLOOK PRODUCTS FOR DAYS 1 AND 2 FROM THE
FOLLOWING PRODUCTS /DAY 3 REMAINS THE SAME/:
ACUS01 KWNS SWODY1 DAY 1
ACUS02 KWNS SWODY2 DAY 2
THE AREAL DESCRIPTION RELATIVE TO ANCHOR POINTS LOCATION
INFORMATION...AS WELL AS ADDITIONAL PROBABILITY LOCATION
INFORMATION...IS LOCATED IN THE POINTS PRODUCT ISSUED AS PART OF
THE SPC OUTLOOK PRODUCT SUITE. THE PARTICULAR PRODUCTS ARE:
WUUS01 KWNS PTSDY1 DAY 1
WUUS02 KWNS PTSDY2 DAY 2
WUUS03 KWNS PTSDY3 DAY 3
THE POINTS PRODUCTS /I.E. PTSDYN; N INDICATES 1-3/ CONTAINS
LATITUDE AND LONGITUDE DEPICTIONS OF THE CATEGORICAL OUTLOOK AS
WELL AS THE TORNADO... HAIL...AND WIND PROBABILITY OUTLOOKS.
IF FEBRUARY 14 IS A CRITICAL WEATHER DAY... THE CHANGE WILL BE
DELAYED FOR 24 HOURS.
CUSTOMERS MUST TAKE APPROPRIATE ACTION IF THEY CURRENTLY DECODE
THE AREAL DESCRIPTION RELATIVE TO ANCHOR POINTS INFORMATION IN THE
ACUS01 OR ACUS02 PRODUCTS.
MORE INFORMATION ON THE ABOVE PRODUCTS AND OTHER SPC PRODUCTS CAN
BE FOUND IN NWS DIRECTIVE 10-512 AT /USE LOWER CASE LETTERS/:
HTTP://WWW.NWS.NOAA.GOV/DIRECTIVES/010/PD01005012.PDF
TABLE 1. A CURRENT SEVERE WEATHER OUTLOOK PRODUCT /SWODY1/ FORMAT
EXAMPLE.
ACUS01 KWNS 251639
SWODY1
SPC AC 251639
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1139 AM CDT SUN SEP 25 2005
VALID 251630Z - 261200Z
THERE IS A SLGT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 30
WSW MTO 30 NW HUF 35 SSE IND 35 NE SDF 60 E BWG 20 W CHA 30 SE BHM
30 SW SEM 15 E LUL 35 NE MCB 30 SW JAN 25 S MKL 20 SE CGI 15 SE
BLV 30 WSW MTO.
THERE IS A SLGT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 35
ENE STJ 20 NNE MHK 25 WNW CNK 25 E HSI 25 E OLU 10 NW SPW 15 W MCW
45 NNW OTM 40 SW OTM 35 ENE STJ.
THERE IS A SLGT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 40
SE OSC 40 NNE GRR 30 ENE MKG 25 WNW MKG 25 WSW MBL 10 N TVC 25 NNE
APN 45 ENE OSC 40 SE OSC.
GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 35 N BML 25 WNW ORH
25 NNE POU 15 E IPT 25 N BKW 10 SSW JKL 15 ESE CHA 15 WNW LGC 25
SSE TLH ...CONT... 25 WSW GLS 30 ESE LFK 15 NNW ELD 30 SSE HRO 25
SSW JLN 20 NE END 25 NW LBL 30 WSW COS 45 ENE GJT 45 N VEL 25 N
JAC 15 NNE COD 10 S 81V 30 SW PHP 10 SE HON 25 ESE RWF 15 SW CWA
20 NE PLN.
GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 20 SSE SRQ 10 N
VRB.
GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 35 S MRY 30 SSW MER
45 NNW BFL LAX.
...THERE IS A SLGT RISK OF SVR TSTMS OVER THE TN/LWR OH AND LWR MS
VLYS...
...THERE IS A SLGT RISK OF SVR TSTMS THIS EVENING OVER THE LWR MO
VLY...
...THERE IS A SLGT RISK OF SVR TSTMS TODAY OVER PARTS OF NRN LWR
MI...
...SYNOPSIS...
REMNANTS OF RITA APPEAR TO BE BECOMING RAPIDLY ABSORBED INTO THE
WLYS AS RIDGE PERSISTS ALONG THE ERN SEABOARD. SATELLITE AND RAOB
DATA ALSO SHOW APPARENT IMPULSE IN THE WLYS OVER MN/WRN WI...
DOWNSTREAM FROM STRONGER SHORTWAVE TROUGHS OVER WY AND CO.
AT LWR LEVELS...EXPECT DIFFUSE SURFACE WAVE NOW IN WI TO BECOME
BETTER DEFINED AND MOVE E/NE ALONG STALLED FRONT INTO NRN MI.
TRAILING PART OF FRONT W OF WAVE SHOULD ACCELERATE ACROSS THE
CNTRL PLNS LATER TODAY/TONIGHT.
.
.
.
...NRN MI...
MODERATE TO STRONG UNIDIRECTIONAL WSW FLOW MAY YIELD A FEW STORMS
WITH BOWING SEGMENTS THIS AFTERNOON CAPABLE OF LOCALLY DAMAGING
WINDS...DESPITE WEAK LAPSE RATES.
..CORFIDI/TAYLOR.. 09/25/2005
...NOTICE...
THE STATION RELATIVE POINTS IN THIS PRODUCT ARE NOW AVAILABLE
SEPARATELY UNDER THE WMO HEADINGS WUUS01 PTSDY1...
WUUS02 PTSDY2...WUUS03 PTSDY3. THE INCLUSION OF POINTS
IN THIS DISCUSSION WILL BE DISCONTINUED AFTER THE 2005
CONVECTIVE SEASON. A PUBLIC NOTIFICATION STATEMENT /PNS/
WILL PROVIDE DETAILS ON THE TRANSITION.
END OF TABLE 1.
TABLE 2. THE FOLLOWING IS WHAT THE PRODUCT WILL LOOK LIKE
EFFECTIVE FEBRUARY 14 2006.
ACUS01 KWNS 251639
SWODY1
SPC AC 251639
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1139 AM CDT SUN SEP 25 2005
VALID 251630Z - 261200Z
...THERE IS A SLGT RISK OF SVR TSTMS OVER THE TN/LWR OH AND LWR MS
VLYS...
...THERE IS A SLGT RISK OF SVR TSTMS THIS EVENING OVER THE LWR MO
VLY...
...THERE IS A SLGT RISK OF SVR TSTMS TODAY OVER PARTS OF NRN LWR
MI...
...SYNOPSIS...
REMNANTS OF RITA APPEAR TO BE BECOMING RAPIDLY ABSORBED INTO THE
WLYS AS RIDGE PERSISTS ALONG THE ERN SEABOARD. SATELLITE AND RAOB
DATA ALSO SHOW APPARENT IMPULSE IN THE WLYS OVER MN/WRN WI...
DOWNSTREAM FROM STRONGER SHORTWAVE TROUGHS OVER WY AND CO.
AT LWR LEVELS...EXPECT DIFFUSE SURFACE WAVE NOW IN WI TO BECOME
BETTER DEFINED AND MOVE E/NE ALONG STALLED FRONT INTO NRN MI.
TRAILING PART OF FRONT W OF WAVE SHOULD ACCELERATE ACROSS THE
CNTRL PLNS LATER TODAY/TONIGHT.
.
.
.
...NRN MI...
MODERATE TO STRONG UNIDIRECTIONAL WSW FLOW MAY YIELD A FEW STORMS
WITH BOWING SEGMENTS THIS AFTERNOON CAPABLE OF LOCALLY DAMAGING
WINDS...DESPITE WEAK LAPSE RATES.
..CORFIDI/TAYLOR.. 09/25/2005
END OF TABLE 2.
IF YOU HAVE QUESTIONS...PLEASE CONTACT:
MARK TEW GREGORY GROSSHANS
NATIONAL WEATHER SERVICE STORM PREDICTION CENTER
1325 EAST WEST HIGHWAY NATIONAL WEATHER SERVICE
SILVER SPRING MD 20910 1313 HALLEY CIRCLE
301-713-1867 EXT.103 NORMAN OK 70707
MARK.TEW@xxxxxxxx 405-579-0720
GREGORY.GROSSHANS@xxxxxxxx
THIS AND OTHER NWS SERVICE CHANGE NOTICES ARE AVAILABLE AT /USE
LOWER CASE LETTERS/:
HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM
$$
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