[SWODY1] SWODY1

[Severe Weather Outlook Day 1]

ACUS01 KWNS 041252
SWODY1
SPC AC 041250

DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0650 AM CST FRI NOV 04 2005

VALID 041300Z - 051200Z

GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 25 NE BLI 30 SE SEA
30 NW PDX 60 SW AST.

GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 25 WSW JXN 15 S MTC
30 SSW ERI 10 WSW PIT 30 NNW HTS LEX 20 NW BWG 25 ENE PAH 35 SW SPI
25 S PIA 25 SSW MMO 25 WSW JXN.

...NO SVR TSTM AREAS FORECAST...

...MIDWEST...
BROAD AREA OF WARM ADVECTION WAS EVIDENT FROM THE WRN GULF COAST TO
THE GRTLKS THIS MORNING AHEAD OF A MID-LEVEL SHORTWAVE TROUGH
MIGRATING INTO THE UPPER LAKES REGION. THIS WAVE WILL EJECT INTO
CANADA TODAY WITH ITS ASSOCIATED FRONT SLOWING ACROSS THE UPPER
MIDWEST.  A LOW-AMPLITUDE WAVE...EVIDENT ACROSS THE SRN PLAINS AT
13Z...WILL MIGRATE NEWD AND APPROACH THE OH VLY/MIDWEST BY THIS
EVENING.  SSWLY LOW-LEVEL FLOW AHEAD OF THIS FEATURE WILL ACCELERATE
AGAIN TONIGHT AND ADVECT MORE QUALITY BOUNDARY LAYER MOISTURE NEWD
FROM THE GULF OF MEXICO.  UVV AND MOISTURE TRANSPORT WILL GRADUALLY
MOISTEN THE COLUMN AND CONTRIBUTE TO WEAK ELEVATED THERMAL BUOYANCY
ACROSS PORTIONS OF THE MIDWEST LATE TONIGHT...SUFFICIENT FOR LOW
TSTM PROBABILITIES.

...PAC NW...
SATL AND OCEANIC LIGHTNING DATA INDICATE CONSIDERABLE OPEN-CELL
CUMULUS/LIGHTNING OFFSHORE WA/ORE THIS MORNING ASSOCIATED WITH A
VIGOROUS SHORTWAVE TROUGH ALONG 130W.  AS THIS TROUGH /H5 TEMP AOB
MINUS 30 DEGREES C/ ROTATES ACROSS THE PAC NW...A FEW TSTMS WILL BE
POSSIBLE ACROSS MAINLY COASTAL WA/ORE.

..RACY/BRIGHT.. 11/04/2005

...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.