[SWODY1] SWODY1

[SWODY1 at goshenarc.org]

ACUS01 KWNS 121256
SWODY1
SPC AC 121254

DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0654 AM CST SAT MAR 12 2005

VALID 121300Z - 131200Z.

...NO TSTM AREAS FORECAST...

...SYNOPSIS...
POLAR VORTEX OVER ONTARIO SHOULD RETROGRADE SLOWLY W THIS PERIOD AS
GREENLAND BLOCK NOSES S INTO ERN CANADA AND SHORTWAVE IMPULSE NOW
OFF THE MID ATLANTIC CST AMPLIFIES S OF THE CANADIAN MARITIMES. 
FARTHER W...AMPLIFICATION OF GULF OF AK RIDGE WILL ALLOW SHORTWAVE
DROPPING S ACROSS ALBERTA TO CONTINUE S/SE INTO THE NWRN STATES. 
DEVELOPING CONFLUENCE ZONE DOWNSTREAM ACROSS THE NRN HALF OF THE
PLNS WILL FOSTER LOW LEVEL ANTICYCLOGENESIS/COLD ADVECTION OVER THE
MUCH OF THE N CNTRL AND NWRN U.S.

...NEW ENG...
WELL-DEFINED DEFORMATION ZONE NOW DEVELOPING OVER WRN/SRN NEW ENG
EXPECTED TO PERSIST THROUGH MUCH OF THE DAY BEFORE REFORMING NEWD
AWAY FROM REGION THIS EVENING. ASSOCIATED MESOSCALE ASCENT AND
INFLUX OF ATLANTIC MOISTURE WILL LIKELY SUFFICIENTLY DESTABILIZE THE
850 TO 500 MB LAYER TO YIELD AREAS OF ELEVATED CONVECTION.  CURRENT
SATELLITE LOOPS SHOW COOLING CLOUD TOPS ON ERN/SIDE OF DEFORMATION
ACROSS ERN MA...IN AREA OF STEEP MID LEVEL LAPSE RATES EVIDENT IN
THIS MORNING'S CHH RAOB.  CHARGE SEPARATION MAY PROVE SUFFICIENT TO
YIELD A LIGHTNING STRIKE OR TWO IN THIS REGION...MAINLY THROUGH THIS
MORNING.  BUT RELATIVELY LIMITED MOISTURE SUPPLY DUE TO DRY
ANTECEDENT CONDITIONS OVER THE N ATLANTIC SHOULD KEEP ANY SUCH 
ACTIVITY ISOLATED AT BEST.

..CORFIDI.. 03/12/2005

...NOTICE...
FOR USERS DECODING THE POINTS PARAGRAPH HEREIN...LATITUDE AND
LONGITUDE POINTS FOR THE CATEGORICAL AND PROBABILISTIC OUTLOOK
GRAPHICS ALSO ARE LOCATED IN A SEPARATE PRODUCT UNDER THE WMO
HEADINGS WUUS01 PTSDY1...WUUS02 PTSDY2...AND WUUS03 PTSDY3.  THE
INCLUSION OF POINTS IN THIS PRODUCT WILL EVENTUALLY BE DISCONTINUED.