Saturday, November 30, 2013

DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 300626
SWODY2
SPC AC 300625

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1225 AM CST SAT NOV 30 2013

VALID 011200Z - 021200Z

...NO SVR TSTM AREAS FORECAST...

...DISCUSSION...
DRY AND STABLE CONDITIONS FOR TSTMS WILL PRECLUDE APPRECIABLE
PROBABILITIES OVER MUCH OF THE CONUS THROUGH THE PERIOD. THE LONE
EXCEPTION SHOULD BE ACROSS THE LOWER MS VALLEY SUN NIGHT. AS A WEAK
SHORTWAVE TROUGH RAPIDLY PROGRESSES E/SEWD FROM THE CNTRL/SRN
ROCKIES...MODEST STRENGTHENING OF LOW-LEVEL W/SWLYS SHOULD YIELD
MODIFICATION OF A CP AIR MASS. THE NAM APPEARS RATHER AGGRESSIVE
WITH THE DEGREE OF MOISTURE RETURN AND MORE UNSTABLE GIVEN ITS
DEPICTION OF SATURATED LAYERS BETWEEN 925-800 MB WITH LAPSE RATES
NEAR 10 DEG C/KM. HOWEVER...SCANT ELEVATED BUOYANCY MAY DEVELOP AND
COULD RESULT IN SPORADIC LIGHTNING STRIKES AMIDST SCATTERED SHOWERS
DURING THE LATTER HALF OF THE PERIOD.

..GRAMS.. 11/30/2013

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