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Mesoscale Discussion 1716 |
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MESOSCALE DISCUSSION 1716
NWS STORM PREDICTION CENTER NORMAN OK
1146 PM CDT SAT JUL 23 2011
AREAS AFFECTED...SE MN...WI
CONCERNING...SEVERE THUNDERSTORM WATCH 680...
VALID 240446Z - 240615Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 680
CONTINUES.
AN ADDITIONAL WW IS NOT CURRENTLY ANTICIPATED...BUT TRENDS WILL
CONTINUE TO BE MONITORED.
WITHIN A BROADER SCALE LOWER/MID TROPOSPHERIC WARM ADVECTION
REGIME...CONVECTIVE DEVELOPMENT HAS INCREASED IN COVERAGE AND
INTENSIFIED ACROSS SOUTHEAST MINNESOTA INTO NORTHWEST WISCONSIN.
ALTHOUGH IT DOES NOT CURRENTLY SEEM LIKELY THAT A SUBSTANTIVE
CONSOLIDATION AND FURTHER INCREASE IN INTENSITY AND ORGANIZATION
WILL OCCUR...STORMS PROBABLY WILL MAINTAIN CURRENT INTENSITY THROUGH
THE 06-08Z TIME FRAME...IN THE PRESENCE OF SIZABLE CAPE AND A
FAVORABLY SHEARED 30 KT WESTERLY DEEP LAYER MEAN FLOW. MARGINALLY
SEVERE HAIL WILL BE POSSIBLE IN STRONGEST STORMS...AND PRECIPITATION
LOADING/EVAPORATIVE COOLING COULD STILL CONTRIBUTE TO LOCALLY
DAMAGING WIND GUSTS...PARTICULARLY WITH ACTIVITY CURRENTLY TURNING
SOUTHEAST ACROSS THE EAU CLAIRE AREA...ALONG A REMNANT BAROCLINIC
ZONE ASSOCIATED WITH PRIOR CONVECTION...TOWARD AREAS NEAR/JUST WEST
OF MARSHFIELD AND WISCONSIN RAPIDS.
..KERR.. 07/24/2011
ATTN...WFO...GRB...DLH...ARX...MPX...DMX...
LAT...LON 43909385 44669332 45419177 45969008 45968904 45288837
44398901 43769027 43569210 43389363 43909385
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