[SWODY1] SWODY1

[Severe Weather Outlook Day 1]

ACUS01 KWNS 281234
SWODY1
SPC AC 281233

DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0733 AM CDT FRI OCT 28 2005

VALID 281300Z - 291200Z

GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 55 ENE BLI 30 S SEA
50 N ONP.

GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 45 SSW DMN 45 SSE SOW
35 SSE PRC 55 E DAG 35 SSW DRA 45 S ELY 35 E DPG 45 SSW BPI 35 SE
LND 35 NNE RWL 50 ESE ASE 20 WNW LVS 15 SE 4CR 60 SE ELP.

...NO SVR TSTM AREAS FORECAST...

...CNTRL AND SRN ROCKIES AREA...
A BROAD UPPER TROUGH WILL PERSIST OVER THE WRN THIRD OF THE COUNTRY
TODAY. SEVERAL VORTICITY MAXIMA WILL MIGRATE THROUGH THE TROUGH AND
INTO THE ROCKIES THIS PERIOD. ONE SUCH FEATURE NOW MOVING TOWARD SRN
CA WILL APPROACH THE FOUR CORNERS AREA THIS AFTERNOON. COOLING MID
LEVEL TEMPERATURES ACCOMPANYING THE UPSTREAM IMPULSE AS WELL AS
SURFACE HEATING WILL CONTRIBUTE TO STEEPENING LAPSE RATES AND
MARGINAL INSTABILITY DURING THE DAY. THUS...THE CHANCE FOR
THUNDERSTORMS SHOULD INCREASE DURING THE AFTERNOON AND EVENING FROM
SRN NV EWD THROUGH THE SRN AND CNTRL ROCKIES.

...PACIFIC NW...
STEEP MID LEVEL LAPSE RATES AND ASCENT ASSOCIATED WITH A SHORTWAVE
TROUGH MOVING ONSHORE WILL CONTRIBUTE TO A THREAT OF ISOLATED
THUNDERSTORMS...MAINLY NEAR THE COAST.

..DIAL/CROSBIE/EVANS.. 10/28/2005

...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.