[SWODY1] SWODY1

[Severe Weather Outlook Day 1]

ACUS01 KWNS 241944
SWODY1
SPC AC 241942

DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0142 PM CST THU NOV 24 2005

VALID 242000Z - 251200Z

GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 25 NW ART 40 NE ART
45 WSW SLK 45 SW SLK 30 NNE UCA 20 NNW UCA 20 N SYR 15 NE ROC 25 NW
BUF BUF 20 SSE BUF 25 ENE JHW 15 SSE JHW 25 S ERI 20 N YNG 20 NE
CLE.

GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 60 SSW BHB 55 SSW BHB
20 S AUG 20 NNW AUG 45 SSE HUL.

...NO SVR TSTM AREAS FORECAST...

...LOWER GRTLKS...
SURGE OF COLD CP AIR MASS HAS SPREAD INTO THE HUDSON VLY OF NY AND
INTO THE NRN PARTS OF THE MID-ATLANTIC REGION BY MID-AFTN.  A BAND
OF SNOW/RAIN ACCOMPANYING THE FRONT HAS PRODUCED ISOLD LIGHTNING
THIS AFTN THAT MAY CONTINUE INTO EARLY THIS EVENING.

OTHERWISE...MULTI-BANDED LAKE EFFECT SNOW PLUMES HAVE EVOLVED ACROSS
THE GRTLKS THIS AFTN.  MOST INTENSE BANDS SHOULD DEVELOP OFF LAKES
ONTARIO/ERIE OVERNIGHT.  WINDS THROUGH THE COLUMN BECOME MORE WLY
OVERNIGHT...LIKELY FAVORING DOMINANT SINGLE BANDS NEAR/S OF 
KART...AND FROM EAST OF KCLE ACROSS KERI INTO SWRN NY S OF KBUF. 
MODIFIED SOUNDINGS SUGGEST CAPE VALUES IN EXCESS OF 500 J/KG AND
INVERSION HEIGHTS 11-14 KFT.  GIVEN INTENSE MESOSCALE BANDING WITHIN
THIS THERMODYNAMIC ENVIRONMENT...THUNDERSNOW WILL BE
LIKELY...PRIMARY DOWNSTREAM OF LAKE ONTARIO/ERIE.

...COASTAL MAINE...
OCCASIONAL BURSTS OF LIGHTNING WILL LIKELY ACCOMPANY CONVECTION
MOVING ACROSS PARTS OF COASTAL/DOWNEAST MAINE LATE THIS AFTN. 
STRONG VORT MAX PIVOTING NEWD OFF THE NEW ENGLAND COAST HAS BEEN
MAXIMIZING UVV ACROSS COASTAL NEW ENGLAND THIS AFTN.  RUC FORECAST
SOUNDINGS SHOW POTENTIAL BUOYANCY ABOVE H85 OF AROUND 200 J/KG. 
GIVEN SUCH STRONG UVV...PARCELS ARE BEING LOFTED ABOVE THE -20C
RANGE...WHICH IS FAVORABLE FOR SPORADIC LIGHTNING.

..RACY.. 11/24/2005

...NOTICE...
THE STATION RELATIVE POINTS IN THIS PRODUCT WILL BE
DISCONTINUED ON 14 FEBRUARY 2006 BUT WILL REMAIN AVAILABLE
IN THE FOLLOWING PRODUCTS:

   WMO HEADER:       AWIPS ID:
   WUUS01            PTSDY1
   WUUS02            PTSDY2
   WUUS03            PTSDY3

A SERVICE CHANGE NOTICE ...SCN05-39... PROVIDES DETAILS
ON THE TRANSITION. FOR ADDITIONAL DETAILS SEE THE FOLLOWING
WEB ADDRESS USING LOWER CASE LETTERS:
WWW.NWS.NOAA.GOV/OM/NOTIF.HTM