SWOMCD
SPC MCD 031846
LAZ000-TXZ000-ARZ000-032015-
MESOSCALE DISCUSSION 0432
NWS STORM PREDICTION CENTER NORMAN OK
0146 PM CDT TUE APR 03 2012
AREAS AFFECTED...NERN TX/ARKLATEX REGION
CONCERNING...SEVERE POTENTIAL...TORNADO WATCH LIKELY
VALID 031846Z - 032015Z
STORMS CURRENTLY CONFINED TO AREAS OF N CENTRAL TX SHOULD
SPREAD/DEVELOP EWD WITH TIME -- YIELDING HEIGHTENED SEVERE/TORNADO
POTENTIAL. NEW TORNADO WATCH WILL LIKELY BE REQUIRED IN THE NEXT
HOUR OR SO.
SEVERAL SUPERCELLS ARE ONGOING ATTM ACROSS PARTS OF N CENTRAL
TX...WITH TORNADOES BEING REPORTED IN THE DFW METROPLEX AREA. THE
STRONGEST/TORNADIC SUPERCELLS ARE OCCURRING ON THE WRN EXTENSION OF
A W-E OUTFLOW BOUNDARY WHICH EXTENDS ACROSS N CENTRAL AND NERN TX.
CU FIELD AGITATION AND SCATTERED SHOWER DEVELOPMENT EXTENDS E OF THE
ONGOING SEVERE STORMS INTO PARTS OF NERN TX ATTM PER LATEST VIS
IMAGERY...PARTICULARLY INVOF THE OUTFLOW BOUNDARY. WITH
TIME...EXPECT THE CUMULUS/CB ACTIVITY TO INCREASE...AS STRONGER FLOW
ALOFT AND ASSOCIATED LARGE-SCALE ASCENT ASSOCIATED WITH A VORTICITY
LOBE CONTINUES SHIFTING EWD. THIS CONVECTIVE DEVELOPMENT AND
ASSOCIATED INCREASE IN SEVERE/TORNADO POTENTIAL WILL LIKELY REQUIRE
WW ISSUANCE WITHIN THE NEXT HOUR OR SO.
..GOSS.. 04/03/2012
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...SHV...FWD...
LAT...LON 31439494 31909559 33389523 33469481 33309389 31839369
31279430 31439494
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