[SWODY1] SWODY1

[Severe Weather Outlook Day 1]

ACUS01 KWNS 280513
SWODY1
SPC AC 280511

DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
1211 AM CDT FRI OCT 28 2005

VALID 281200Z - 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 20 ESE EED 45 WNW EED
20 SE DRA 45 W MLF 35 E DPG 40 SSW BPI 30 ESE LND 25 NNE LAR 10 NE
DEN 20 ENE TAD 15 NW CNM 35 E ELP 40 WSW DMN 30 NNE SAD 60 SSW INW
40 SW PRC 20 ESE EED.

...NO SVR TSTM AREAS FORECAST...

...CNTRL AND SRN ROCKIES AREA...

A BROAD UPPER TROUGH WILL PERSIST OVER THE WRN THIRD OF THE COUNTRY
FRIDAY. 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 FRIDAY AFTERNOON. SCATTERED
CONVECTION ASSOCIATED WITH LEAD SHORTWAVE TROUGHS WILL BE ONGOING
OVER THE CNTRL ROCKIES EARLY FRIDAY. 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. CHANCE FOR THUNDERSTORMS SHOULD INCREASE FRIDAY AFTERNOON
AND EVENING FROM SRN NEV 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 FRIDAY MORNING.

..DIAL.. 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.