SWOMCD
SPC MCD 061902
MIZ000-WIZ000-062100-
MESOSCALE DISCUSSION 1111
NWS STORM PREDICTION CENTER NORMAN OK
0202 PM CDT MON JUN 06 2011
AREAS AFFECTED...UPPER PENINSULA OF MI/NERN WI
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 061902Z - 062100Z
STORMS MAY DEVELOP OVER THE NEXT HOUR ACROSS WRN UPPER MI AND
ADJACENT NRN WI...WITH SOME POTENTIAL FOR DAMAGING WINDS AND/OR HAIL
EVIDENT. WW MAY BE REQUIRED.
LATEST VISIBLE IMAGERY INDICATES INCREASING CU FIELD ALONG A LAKE
BREEZE BOUNDARY ACROSS WRN UPPER MI...WHERE 500 TO 1500 J/KG
MIXED-LAYER CAPE HAS DEVELOPED ON THE WARM SIDE OF THE BOUNDARY.
CONTINUED HEATING/DESTABILIZATION AND THE PRESENCE OF THE BOUNDARY
SHOULD SUPPORT FURTHER CU INCREASE -- AND EVENTUAL STORM DEVELOPMENT
-- OVER THE NEXT 1-2 HOURS.
ALOFT...THIS REGION LIES ON THE NRN FRINGE OF FLAT MID-LEVEL
RIDGING...WITH 40 TO 50 KT WLYS SUPPORTIVE OF UPDRAFT ORGANIZATION.
ATTM...IT APPEARS THAT THE THREAT MAY REMAIN ISOLATED. HOWEVER...IF
STORMS CAN MERGE/EXPAND ALONG A FUTURE CONSOLIDATING CONVECTIVE
OUTFLOW...THREAT FOR A FORWARD/ESEWD-PROPAGATING SYSTEM CAPABLE OF
PRODUCING MORE WIDESPREAD WIND DAMAGE COULD EVOLVE -- AND EVENTUALLY
AFFECT PARTS OF ERN UPPER MI AND NRN LOWER MI.
..GOSS.. 06/06/2011
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...APX...MQT...GRB...DLH...
LAT...LON 45878993 46279032 46838873 46528594 45528433 44358532
44938800 45878993
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