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Mesoscale Discussion 369 |
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MESOSCALE DISCUSSION 0369
NWS STORM PREDICTION CENTER NORMAN OK
1055 PM CDT THU APR 07 2011
AREAS AFFECTED...EAST-CENTRAL KS INTO FAR WESTERN MO
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 080355Z - 080530Z
AN ISOLATED SEVERE HAIL THREAT WILL LIKELY CONTINUE THROUGH THE LATE
EVENING/EARLY OVERNIGHT HOURS ACROSS EAST-CENTRAL KS...INCLUDING THE
EMPORIA AREA AND IN VICINITY OF THE FLINT HILLS/I-35. THE SEVERE
THREAT MAY CONTINUE INTO FAR WESTERN MO AFTER MIDNIGHT.
WATER VAPOR IMAGERY REFLECTS A SHORTWAVE TROUGH CROSSING KS...WITH
LOW LEVEL MOISTURE/PRECIPITABLE WATER HAVING INCREASED EARLY THIS
EVENING VIA A RETREATING DRY LINE. ON THE EDGE OF THE CAP AND
ROUGHLY WEST-EAST FRONTAL ZONE...TSTMS HAVE RECENTLY INCREASED
ACROSS SOUTH-CENTRAL/EAST-CENTRAL KS. AIDED BY A NOCTURNALLY
STRENGTHENING SOUTHERLY LOW LEVEL JET PER WSR-88D VWPS/REGIONAL
PROFILERS...INFLUX OF ELEVATED MOISTURE ATOP A STABLE NEAR-SURFACE
LAYER...WILL SUPPORT AN ISOLATED ELEVATED SUPERCELL THREAT IN THE
PRESENCE OF RATHER STEEP MID LEVEL LAPSE RATES/FAVORABLE VERTICAL
SHEAR.
..GUYER.. 04/08/2011
ATTN...WFO...SGF...EAX...TOP...ICT...
LAT...LON 38059685 38879666 39149380 38019389 38059685
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