[SWODY1] SWODY1

[Severe Weather Outlook Day 1]

ACUS01 KWNS 181620
SWODY1
SPC AC 181618

DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
1018 AM CST FRI NOV 18 2005

VALID 181630Z - 191200Z.

...NO TSTM AREAS FORECAST...

...SYNOPSIS AND FORECAST...
BROAD LONGWAVE TROUGH WILL CONTINUE OVER ERN NOAM THIS PERIOD. 
SHORTWAVE IMPULSE NOW OVER ALBERTA SHOULD AMPLIFY AS IT CONTINUES SE
INTO THE NRN/CNTRL PLNS TONIGHT/EARLY SATURDAY.  DRY SURFACE RIDGE
WILL MAINTAIN STABLE LOW LEVEL CONDITIONS FROM THE ROCKIES TO THE E
COAST AND MINIMIZE TSTM CHANCES THROUGH THE PERIOD.

DIFFUSE FRONTAL ZONE WILL PERSIST OVER THE FL STRAITS. SOME
SCATTERED CONVECTION APPEARS POSSIBLE ACROSS THE SRN FL PENINSULA/FL
KEYS AND ADJACENT WATERS THIS AFTERNOON/TONIGHT.  WARM LAYER AT 700
MB AND WEAK LOW LEVEL LAPSE RATES SHOULD KEEP ANY THUNDER POTENTIAL
LIMITED.  

FARTHER W...WATER VAPOR AND UPR AIR DATA SHOW A WEAK MID/UPR LEVEL
CIRCULATION OVER COAHUILA IN NE MEXICO.  THIS FEATURE SHOULD
ACCELERATE ENE AND WEAKEN LATER TODAY/TONIGHT AS ALBERTA IMPULSE
CONTINUES RAPIDLY SEWD.  ANY LIGHTNING OCCURRING WITH ASSOCIATED MID
LEVEL CONVECTION SHOULD REMAIN W OF THE RIO GRANDE.

..CORFIDI/RACY.. 11/18/2005

...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.