Wednesday, April 25, 2007

MESO: Mesoscale Discussion 0586

ACUS11 KWNS 251946
SWOMCD
SPC MCD 251946
ARZ000-252045-

MESOSCALE DISCUSSION 0586
NWS STORM PREDICTION CENTER NORMAN OK
0246 PM CDT WED APR 25 2007

AREAS AFFECTED...NWRN/NRN AR

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 251946Z - 252045Z

DEEPER LOW LEVEL CONVERGENCE APPEARS TO BE SHIFTING ACROSS NERN OK
INTO NWRN AR...PER THICKENING CU FIELD AHEAD OF SHRINKING DRY SLOT.
IT APPEARS SHOWERS WILL DEVELOP SEWD ALONG ADVANCING WIND SHIFT NEAR
THE OK/AR BORDER OVER THE NEXT FEW HOURS...WITH ISOLATED
THUNDERSTORMS EXPECTED BY LATE AFTERNOON. GIVEN THE STRONGER DEEP
LAYER SHEAR ACROSS AR IT APPEARS SUPERCELL STRUCTURES MAY
EVOLVE...ESPECIALLY ACROSS NWRN/NRN AR. IF SO...ISOLATED TORNADOES
COULD DEVELOP. WILL MONITOR THIS REGION FOR TORNADO WATCH.

.DARROW.. 04/25/2007

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

ATTN...WFO...LZK...TSA...

36029442 36459240 35979179 34729264 34609404

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