[SWODY1] SWODY1

[Severe Weather Outlook Day 1]

ACUS01 KWNS 131253
SWODY1
SPC AC 131251

DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0651 AM CST SUN NOV 13 2005

VALID 131300Z - 141200Z

GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 35 SE 6R6 30 NNW JCT
20 E DUA 25 W RUE 25 SSW CGI 25 WSW LUK 40 E LUK 25 NNW HTS 20 SSE
HTS 40 ESE LOZ 20 SSW TYS 25 ENE GAD 15 SSW BHM 45 SSW TCL 20 SSE
MEI 10 SW PIB MSY 40 ESE 7R4 55 S 7R4 ...CONT... 60 S PSX 20 SW CRP
25 SW LRD.

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
THE DEEP MID LEVEL TROUGH OVER THE UPPER MS VALLEY THIS MORNING WILL
EJECT ENEWD OVER THE GREAT LAKES/ONTARIO/QUEBEC IN RESPONSE TO
UPSTREAM AMPLIFICATION OF ANOTHER TROUGH OVER THE NRN ROCKIES BY
LATE TONIGHT.  AT THE SURFACE...A DEEP OCCLUDED LOW OVER LAKE
SUPERIOR WILL LIFT NEWD ACROSS ONTARIO/QUEBEC AND WEAKEN.  A
TRAILING COLD FRONT WILL CONTINUE EWD ACROSS THE OH VALLEY TODAY
INTO EARLY TONIGHT...WHILE THE SRN PORTION OF THE BOUNDARY DRIFTS
SLOWLY SEWD INTO TX/AR.  THE RICHEST LOW-LEVEL MOISTURE /BOUNDARY
LAYER DEWPOINTS OF 66-70 F/ IS CONFINED TO AR/LA/TX TO THE SE OF THE
FRONT...AND S/SW OF A DIFFUSE OUTFLOW BOUNDARY ACROSS SRN AR/NW MS.

...CENTRAL TX TO NW LA THIS AFTERNOON/EVENING...
WIND FIELDS SHOULD WEAKEN TODAY IN THE LOW-MID TROPOSPHERE AS THE MS
VALLEY SYSTEM LIFTS NEWD...LEAVING MARGINAL VERTICAL SHEAR IN THE
WARM SECTOR OVER TX/LA/MS/SRN AR.  STILL...MODIFIED FCST AND
OBSERVED SOUNDINGS SUPPORT MLCAPE VALUES OF 1500-2500 J/KG THIS
AFTERNOON ACROSS CENTRAL TX AND NW LA. DAYTIME HEATING AND WEAK
CONVERGENCE/ASCENT ALONG THE COLD FRONT AND THE DIFFUSE REMNANTS OF
DRYLINE MAY SUPPORT A FEW STORMS CAPABLE OF PRODUCING GUSTY OUTFLOW
WINDS AND ISOLATED HAIL...WITH ANY SEVERE THREAT EXPECTED TO REMAIN
QUITE MARGINAL/ISOLATED.

..THOMPSON/JEWELL.. 11/13/2005

...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.