Thursday, April 22, 2010

MESO: Mesoscale Discussion 0337

ACUS11 KWNS 222021
SWOMCD
SPC MCD 222021
KSZ000-COZ000-222115-

MESOSCALE DISCUSSION 0337
NWS STORM PREDICTION CENTER NORMAN OK
0321 PM CDT THU APR 22 2010

AREAS AFFECTED...MUCH OF ERN CO AND WRN KS

CONCERNING...TORNADO WATCH 74...

VALID 222021Z - 222115Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 74 CONTINUES.

NUMEROUS SEVERE SUPERCELL THUNDERSTORMS HAVE DEVELOPED WITHIN
UPSLOPE REGION OF THE CNTRL HIGH PLAINS FROM ERN CO INTO WRN KS.
THIS ACTIVITY IS EVOLVING WITHIN STRONGLY FORCED LEFT EXIT REGION OF
UPPER JET...AND CONVERGENT LOW LEVEL ELY FLOW REGIME. ALTHOUGH
INSTABILITY IS NOT PARTICULARLY IMPRESSIVE...LOW CLOUD BASES WITHIN
STRONGLY SHEARED ENVIRONMENT FAVOR A CONTINUED TORNADO THREAT. ONE
PARTICULARLY LONG-LIVED TORNADIC SUPERCELL IS LIFTING NEWD ACROSS
KIOWA COUNTY CO. THIS STORM HAS EDGED INTO WRN PLUME OF GREATER
BOUNDARY LAYER MOISTURE AND COULD MAINTAIN TORNADIC CHARACTERISTICS
FOR SOME TIME...ESPECIALLY IF STORM MERGERS DO NOT INTERRUPT IT/S
INFLOW.

.DARROW.. 04/22/2010

..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...DDC...GLD...PUB...BOU...

LAT...LON 40490310 37929957 37130057 37540267 37960421 39850506
40490310

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