SPC MD 1343

MD 1343 CONCERNING SEVERE THUNDERSTORM WATCH 403… FOR CNTRL INTO NERN MN AND WRN WI

MESOSCALE DISCUSSION 1343
NWS STORM PREDICTION CENTER NORMAN OK
0230 AM CDT THU JUL 21 2016

AREAS AFFECTED...CNTRL INTO NERN MN AND WRN WI

CONCERNING...SEVERE THUNDERSTORM WATCH 403...

VALID 210730Z - 210930Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 403
CONTINUES.

SUMMARY...SEVERE WIND GUSTS REMAIN LIKELY ACROSS NERN MN...WITH
MAINLY SUB-SEVERE WIND GUSTS INTO CENTRAL MN AND NWRN WI.

DISCUSSION...AN MCS CONTINUES TO EVOLVE OVER NRN MN WITH PRIMARY
COLD POOL SURGING IN AN EWD DIRECTION ACROSS N-CNTRL MN.
HERE...SEVERE WIND GUSTS HAVE BEEN MEASURED. AMPLE MOISTURE AND
INSTABILITY SHOULD CONTINUE TO SUPPORT A SEVERE WIND THREAT ACROSS
NERN MN BEFORE STORMS MOVE OVER LAKE SUPERIOR. 

TO THE S...OUTFLOW OVER CNTRL MN IS ORIENTED MORE PARALLEL TO
DEEP-LAYER MEAN WIND WITH THE OUTFLOW BOUNDARY UNDERCUTTING NEW
DEVELOPMENT. IN ADDITION...ECHO TOPS HAVE COME DOWN A BIT IN THE
LAST HOUR. MAINLY SUB-SEVERE WIND GUSTS ON THE ORDER OF 30-40 KTS
ARE ANTICIPATED THERE...ALTHOUGH AN ISOLATED SEVERE WIND GUST CANNOT
BE RULED OUT.

..JEWELL.. 07/21/2016

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...DLH...MPX...FGF...

LAT...LON   46209624 46259481 46489419 46869397 47299396 47659403
            48119289 48309220 48269068 47869034 47539048 46779086
            46159131 45669177 45449306 45529498 45729572 46209624 

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