SWOMCD
SPC MCD 100154
OKZ000-TXZ000-100300-
MESOSCALE DISCUSSION 0484
NWS STORM PREDICTION CENTER NORMAN OK
0854 PM CDT MON APR 09 2012
AREAS AFFECTED...WRN OK/NWRN TX
CONCERNING...TORNADO WATCH 154...
VALID 100154Z - 100300Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 154 CONTINUES.
OVERALL CHARACTER OF CONVECTION ACROSS THE TORNADO WATCH IS SLOWLY
CHANGING AS BOUNDARY LAYER COOLS AND WEAK WARM ADVECTION BEGINS TO
DOMINATE VERTICAL PROCESSES. THIS EVOLUTION IS NOTED WELL IN LATEST
RADAR DATA WHERE BANDED ELEVATED TSTMS ARE BEGINNING TO DEVELOP
ACROSS WCNTRL-CNTRL OK. HAIL WILL BECOME THE PRIMARY SEVERE THREAT
AS THUNDERSTORM MODE TRANSITIONS OVER THE NEXT FEW HOURS.
FARTHER SOUTH...LEAD SEVERE SUPERCELL IS MOVING SSEWD AT ROUGHLY
20-25KT ACROSS FORD COUNTY. IF CURRENT SPEED/MOVEMENT CONTINUES
THIS ACTIVITY WILL EXIT THE SRN MOST COUNTIES OF THE TORNADO WATCH
BETWEEN 03-04Z. A NEW WW MAY BE REQUIRED ACROSS PORTIONS OF NWRN TX
AND OK.
..DARROW.. 04/10/2012
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...OUN...LUB...AMA...
LAT...LON 33730001 36909998 36909817 33749827 33730001
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