SWOMCD
SPC MCD 050222
IAZ000-050315-
MESOSCALE DISCUSSION 1650
NWS STORM PREDICTION CENTER NORMAN OK
0922 PM CDT SAT AUG 04 2007
AREAS AFFECTED...PORTIONS OF WRN AND CENTRAL IA
CONCERNING...TORNADO WATCH 564...
VALID 050222Z - 050315Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 564 CONTINUES.
SURFACE LOW WAS LOCATED IN EXTREME SERN SD...WITH A WARM FRONT
STRETCHING SEWD ACROSS IA...FROM NORTH OF SUX TO NEAR OTM. A BAND OF
STRONG STORMS WERE LOCATED EAST OF THE LOW AND NEAR THE WARM FRONT
EAST OF SUX TO FOD. ALTHOUGH THE LOW/MID LEVEL SHEAR REMAINS
FAVORABLE FOR SUPERCELLS AND POSSIBLY EVEN A TORNADO...BOUNDARY
LAYER COOLING HAS RESULTED IN THE STORMS TO BE SLIGHTLY DECOUPLED
FROM THE BOUNDARY LAYER. A LOW THREAT OF SEVERE STORMS WILL EXIST
WITH ANY STORMS THAT DEVELOP IN THE STRONGLY SHEARED ENVIRONMENT...
THOUGH THE THREAT WILL BE LOW UNLESS A STORM IS ABLE TO TAP INTO THE
MOIST BOUNDARY LAYER.
.IMY.. 08/05/2007
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...DMX...FSD...OAX...
41479242 41459504 42819611 42969599 43259459 42439337
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