SWODY2
SPC AC 240541
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1241 AM CDT SUN AUG 24 2008
VALID 251200Z - 261200Z
...NO SVR TSTM AREAS FORECAST...
...CNTRL HIGH PLAINS...
AN UPPER-LEVEL RIDGE FROM THE CNTRL ROCKIES TO THE NRN PLAINS WILL
BECOME LESS-DEFINED SUNDAY NIGHT INTO MONDAY AS AN UPPER-LEVEL
TROUGH MOVES INTO THE NRN ROCKIES. AT THE SFC...A LEE TROUGH IS
FORECAST TO DEEPEN ACROSS THE HIGH PLAINS MONDAY WITH AN AXIS OF
INSTABILITY LOCATED EAST OF THE SFC TROUGH ACROSS WRN KS AND WRN
NEB. SCATTERED THUNDERSTORMS APPEAR LIKELY TO DEVELOP IN THE HIGHER
TERRAIN OF SE WY AND NE CO SPREADING SEWD INTO THE CNTRL HIGH PLAINS
DURING THE AFTERNOON. FORECAST SOUNDINGS ACROSS THE REGION MONDAY
AFTERNOON SHOW SUBSTANTIAL DIRECTIONAL SHEAR IN THE LOW TO
MID-LEVELS RESULTING IN 30 TO 40 KT OF 0-6 KM SHEAR. IN SPITE OF
WARM AIR ALOFT...THE SHEAR AND STEEP MID-LEVEL LEVEL LAPSE RATES MAY
SUPPORT A MARGINAL SEVERE THREAT AS THE CONVECTION MOVES INTO
INCREASING INSTABILITY DURING THE LATE AFTERNOON.
..BROYLES.. 08/24/2008
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