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Mesoscale Discussion 650 |
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MESOSCALE DISCUSSION 0650
NWS STORM PREDICTION CENTER NORMAN OK
1139 PM CDT WED MAY 21 2014
AREAS AFFECTED...EAST-CENTRAL/SOUTHEAST IL AND SOUTHERN INDIANA TO
CENTRAL/EASTERN KY
CONCERNING...SEVERE THUNDERSTORM WATCH 169...171...
VALID 220439Z - 220615Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
169...171...CONTINUES.
SUMMARY...A LIMITED/MARGINALLY SEVERE RISK CONTINUES FROM FAR
EAST-CENTRAL/SOUTHEAST IL AND SOUTHERN INDIANA TO NORTHERN KY.
SEVERE TSTM WATCHES 169/171 CONTINUE UNTIL 06Z/07Z RESPECTIVELY.
DISCUSSION...LARGELY FOCUSED ALONG AND ON THE COOL SIDE OF PRIOR
COMPOSITE OUTFLOW...MULTIPLE CLUSTERS OF TSTMS CONTINUE TO DEVELOP
SOUTHEASTWARD IN A CORRIDOR FROM FAR EAST-CENTRAL/SOUTHEAST IL AND
SOUTHERN INDIANA TO NORTHERN KY. ALTHOUGH BOUNDARY LAYER INHIBITION
HAS INCREASED...A MODERATELY UNSTABLE AIR MASS JUST ABOVE THE
SURFACE CONTINUES TO FEED THESE STORMS FOR THE WEST. EPISODIC
INSTANCES OF SEVERE HAIL/WIND WILL REMAIN POSSIBLE EARLY IN THE
OVERNIGHT. WHILE SOME ADDITIONAL UPSCALE MCS GROWTH/ORGANIZATION IS
POSSIBLE OVER THE NEXT HOUR OR TWO ACROSS SOUTH-CENTRAL
INDIANA...NEAR-SURFACE STABILITY/PRIOR OUTFLOW SHOULD TEND TO CURB
THE DAMAGING WIND POTENTIAL.
..GUYER.. 05/22/2014
ATTN...WFO...JKL...ILN...LMK...IND...ILX...
LAT...LON 39868842 39618715 39148543 38448389 37298339 37118451
38248659 39218825 39868842
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