SPC AC 270735
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0235 AM CDT SAT APR 27 2013
VALID 291200Z - 301200Z
...NO SVR TSTM AREAS FORECAST...
...SYNOPSIS...
NRN STREAM UPPER TROUGH IS FORECAST TO STRENGTHEN/AMPLIFY FROM THE
ROCKIES EAST ACROSS THE NRN PLAINS WHILE A SLOW MOVING SOUTHEAST
U.S. DISTURBANCE WEAKENS FURTHER. MARGINAL INSTABILITY AND SHEAR
ACROSS THE SOUTHEAST SHOULD PRECLUDE SEVERE STORM POTENTIAL IN THIS
REGION. SOME MODEL GUIDANCE SUGGESTS THE POTENTIAL FOR STRONG
DIURNAL DESTABILIZATION AHEAD OF THE COLD FRONT ACCOMPANYING THE
UPPER TROUGH ACROSS THE NRN PLAINS AND INTO THE MIDWEST/MO RIVER
VALLEY AREA. THERE MAY BE A CHANCE FOR CONVECTION TO DEVELOP
NEAR/AHEAD OF THE COLD FRONT MOVING INTO THESE AREAS ON MONDAY
AFTERNOON. HOWEVER...THE RELATIVELY WIDE DISPARITY IN FRONTAL TIMING
AND DEGREE OF DESTABILIZATION AMONGST THE NAM/GFS AND ENSEMBLES IS
SUCH THAT IT APPEARS TOO EARLY TO INTRODUCE EVEN LOW SEVERE
PROBABILITIES AT THIS FORECAST RANGE.
..CARBIN.. 04/27/2013
CLICK TO GET WUUS03 PTSDY3 PRODUCT
NOTE: THE NEXT DAY 3 OUTLOOK IS SCHEDULED BY 0730Z
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