Saturday, April 10, 2010

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 101241
SWODY1
SPC AC 101240

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0740 AM CDT SAT APR 10 2010

VALID 101300Z - 111200Z

...NO SVR TSTM AREAS FORECAST...

...NRN CA/SRN ORE...
IN THE WAKE OF A LEAD MID-LEVEL IMPULSE CURRENTLY SHIFTING ACROSS
CA...THE NEXT IN A SERIES OF IMPULSES EJECTING DOWNSTREAM OF A
VIGOROUS SHORT WAVE TROUGH OVER THE NERN PACIFIC SHOULD APPROACH THE
NRN CA COAST TOWARDS 11/00Z. THIS WILL BE FAVORABLY TIMED WITH PEAK
HEATING AND RESULT IN THE DEVELOPMENT OF SCATTERED SHOWERS AND
PERHAPS A FEW TSTMS.

...CO ROCKIES TO KS/OK...
DIURNAL HEATING SHOULD LEAD TO A FEW SHOWERS DEVELOPING OVER HIGH
TERRAIN...ACCOMPANIED BY SPORADIC LIGHTNING STRIKES. FARTHER SE TO
THE RATON MESA...WEAK CONVERGENCE ALONG QUASI-STATIONARY FRONTAL
ZONE COULD LEAD TO AN ISOLATED TSTM NEAR PEAK HEATING...BUT
AVAILABLE BUOYANCY SHOULD REMAIN QUITE LIMITED. ACROSS
KS/OK...MODEST LOW-LEVEL WARM THETA-E ADVECTION WILL CONTINUE
BENEATH A PRONOUNCED ELEVATED MIXED LAYER. THIS RELATIVELY STRONG
CAPPING INVERSION WILL LIKELY LIMIT TSTM DEVELOPMENT THROUGH THE
PERIOD...AS MID-LEVEL HEIGHTS GRADUALLY RISE AND FORCED ASCENT
REMAINS WEAK.

...TX BIG BEND...
LATEST MODEL FORECASTS ARE GENERALLY CONSISTENT THAT A WEAK IMPULSE
W OF BAJA CA WILL EJECT TOWARDS THE AZ/NM/NRN MEXICO BORDER BY
11/12Z. THIS SHOULD INCREASE ASCENT OVER THE TX BIG BEND TOWARDS THE
END OF THE PERIOD WITH POSSIBLY A FEW ELEVATED TSTMS.

..GRAMS/CORFIDI.. 04/10/2010

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