[SWODY1] SWODY1

[SWODY1 at goshenarc.org]

ACUS01 KWNS 200454
SWODY1
SPC AC 200452

DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
1052 PM CST SUN DEC 19 2004

VALID 201200Z - 211200Z.

...NO TSTM AREAS FORECAST...

...SYNOPSIS...
LARGE-SCALE PATTERN THIS FORECAST PERIOD IS CHARACTERIZED BY HEIGHT
RISES ALONG THE E COAST...WHILE BROAD REGION OF CYCLONIC MID-LEVEL
FLOW DEVELOPS ACROSS THE WRN TWO-THIRDS OF THE NATION. MORE
SPECIFICALLY...VIGOROUS MID/UPPER-LEVEL LOW AND ATTENDANT SHORTWAVE
TROUGH IN THE LEE OF THE CANADIAN ROCKIES WILL TRANSLATE SEWD INTO
THE GREAT LAKES. MEANWHILE...WEAKER UPSTREAM SYSTEMS ARE FORECAST TO
CONCURRENTLY DIVE SEWD INTO THE INTERMOUNTAIN W. IN THE
LOW-LEVELS...SURFACE LOW ASSOCIATED WITH CANADIAN SYSTEM IS EXPECTED
TO FILL AS IT DEVELOPS SEWD FROM THE CANADIAN PRAIRIES INTO THE WRN
GREAT LAKES. TRAILING COLD FRONT WILL PUSH SWD/SEWD INTO THE OH
VALLEY WWD INTO THE SRN PLAINS BY TUESDAY MORNING.

...TX COAST...
CURRENT BUOY OBSERVATIONS AND GOES PW DATA INDICATE THAT A CP AIR
MASS HAS INTRUDED WELL INTO THE WRN GULF OF MEXICO WITH 50 F
DEWPOINTS GENERALLY ALONG/S OF 23 N. INCREASING SLY FLOW AHEAD OF
AFOREMENTIONED CANADIAN SYSTEM WILL AID IN SOME MODIFICATION OF THIS
AIR NWD TOWARD THE TX COAST WITH DEWPOINTS INCREASING TO NEAR 50 OR
THE LOWER 50S F BY TUESDAY MORNING. WHILE STRONGEST LARGE-SCALE
FORCING IS FORECAST TO REMAIN WELL N OF THE REGION...PERSISTENT
LOW-LEVEL WAA/ISENTROPIC ASCENT REGIME MAY SUPPORT ISOLATED TSTM
DEVELOPMENT NEAR THE COAST LATE IN THE PERIOD.

..MEAD.. 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.