[SWODY2] SWODY2

[SWODY2 at goshenarc.org]

ACUS02 KWNS 200543
SWODY2
SPC AC 200542

DAY 2 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
1142 PM CST SUN DEC 19 2004

VALID 211200Z - 221200Z

GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM PSX 35 S FTW 20 SW
ADM 30 W MLC 50 NE LIT 45 NNE MKL 20 WSW BWG 50 SSE BNA 20 WNW TCL
50 SE MEI 10 SW PNS.

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
LARGE / BROAD UPPER TROUGH OVER THE CONUS IS FORECAST TO AMPLIFY /
DEEPEN THIS PERIOD AS A COUPLE OF SHORT-WAVE TROUGHS DIG
CYCLONICALLY SEWD ACROSS THE ROCKIES TOWARD THE SRN PLAINS.

AS THESE SHORT-WAVE TROUGHS APPROACH...SURFACE BAROCLINIC ZONE
EXTENDING FROM THE GREAT LAKES REGION INTO THE SRN PLAINS SHOULD 
STRENGTHEN.  SRN PORTION OF THIS BOUNDARY IS FORECAST TO PERSIST
FROM NERN TX ENEWD INTO THE TN VALLEY THROUGH THE LATTER HALF OF THE
PERIOD...AND WILL LIKELY FOCUS SCATTERED TO WIDESPREAD SHOWER /
THUNDERSTORM DEVELOPMENT THROUGH THE PERIOD.

DEEP-LAYER WIND FIELD IS FORECAST TO INTENSIFY ACROSS THE SRN PLAINS
/ LOWER MS VALLEY REGION AS UPPER SHORT-WAVE TROUGH APPROACHES. 
THOUGH SUFFICIENT SHEAR FOR ORGANIZED / SEVERE STORMS WILL LIKELY
EVOLVE THROUGH THE PERIOD...INSTABILITY IS FORECAST TO BE LIMITED --
PARTICULARLY AWAY FROM THE GULF COAST INVOF SURFACE BOUNDARY. 
THOUGH A LIMITED SEVERE THREAT MAY EVOLVE ACROSS THE ARKLATEX REGION
DURING THE AFTERNOON / EVENING...QUESTIONS REGARDING AVAILABLE
INSTABILITY PRECLUDE THE INTRODUCTION OF SEVERE PROBABILITIES ATTM.

..GOSS.. 12/20/2004

...NOTICE...
FOR USERS DECODING THE POINTS PARAGRAPH HEREIN...LATITUDE AND
LONGITUDE POINTS FOR THE CATEGORICAL AND PROBABILISTIC OUTLOOK
GRAPHICS ALSO ARE LOCATED IN A SEPARATE PRODUCT UNDER THE WMO
HEADINGS WUUS01 PTSDY1...WUUS02 PTSDY2...AND WUUS03 PTSDY3.  THE
INCLUSION OF POINTS IN THIS PRODUCT WILL EVENTUALLY BE DISCONTINUED.