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Mesoscale Discussion 1032 |
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MESOSCALE DISCUSSION 1032
NWS STORM PREDICTION CENTER NORMAN OK
0710 PM CDT WED JUN 10 2009
AREAS AFFECTED...CNTRL/SRN MO INTO SRN IL
CONCERNING...TORNADO WATCH 367...
VALID 110010Z - 110115Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 367 CONTINUES.
OBSERVATIONAL TRENDS CONTINUE TO BE MONITORED FOR A POSSIBLE WW
DOWNSTREAM OF WW 367.
00Z SUBJECTIVE SURFACE ANALYSIS PLACED A MESOLOW AROUND 30 S SZL
WITH QUASI-STATIONARY FRONT DRAPED EWD TO NEAR DEC AND COMPOSITE
COLD FRONT/OUTFLOW BOUNDARY DRAPED SWD FROM THE CYCLONE TO FSM.
RECENT RADAR IMAGERY DEPICTS CONSOLIDATION OF MORE CELLULAR
CONVECTIVE ELEMENTS INVOF THE CYCLONE AND ALONG FRONTAL AXIS...WITH
A RECENT INCREASE IN ACTIVITY IN THE AMBIENT WARM SECTOR ACROSS
S-CNTRL MO. GIVEN A VERY UNSTABLE AIR MASS /AS SAMPLED BY 00Z SGF
RAOB/ AMIDST AROUND 30 KT OF MODERATE DEEP-LAYER SHEAR /PER AREA
PROFILERS AND VWP DATA/...A PROPENSITY FOR ORGANIZED CLUSTERS WITH
OCCASIONAL SUPERCELL STRUCTURES WILL CONTINUE. AS SUCH...AN
ADDITIONAL WW MAY BE NEEDED AS TSTMS LIKELY EVOLVE EWD TOWARDS AND
ACROSS THE MID-MS RIVER VALLEY.
..GRAMS.. 06/11/2009
ATTN...WFO...PAH...ILX...MEG...LSX...SGF...
LAT...LON 37129324 38299311 39179162 39529035 39558946 39408865
39188826 38728812 37308841 36598906 36598998 36579237
36579336 37129324
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