ZCZC SPCSWOMCD ALL
ACUS11 KWNS 112014 
SPC MCD 112014 
MIZ000-112145-

MESOSCALE DISCUSSION 0957
NWS STORM PREDICTION CENTER NORMAN OK
0314 PM CDT WED JUN 11 2014

AREAS AFFECTED...LOWER MI

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY 

VALID 112014Z - 112145Z

PROBABILITY OF WATCH ISSUANCE...5 PERCENT

SUMMARY...AN ISOLATED OCCURRENCE OF SEVERE WEATHER INCLUDING
HAIL/POSSIBLY A BRIEF TORNADO MAY OCCUR THIS AFTERNOON ACROSS
SOUTH-CENTRAL/EAST-CENTRAL LOWER MI.

DISCUSSION...A SUPERCELL HAS DEVELOPED/INCREASED OVER THE PAST HALF
HOUR ACROSS LOWER MI...ROUGHLY 30 MILES EAST-NORTHEAST OF THE GRAND
RAPIDS AREA AS OF 2010Z. THIS STORM IS OCCURRING NEAR A
NORTHWARD-ADVANCING WARM FRONT...IN RELATIVELY CLOSE PROXIMITY TO A
NORTHEASTWARD ADVANCING UPPER LOW OVER THE REGION. RELATIVELY
LOW-TOPPED SUPERCELL DEVELOPMENT/SUSTENANCE WILL REMAIN POSSIBLE
ESPECIALLY NEAR THE WARM FRONT THIS AFTERNOON ACROSS
SOUTH-CENTRAL/EAST-CENTRAL LOWER MI. THIS IS WHERE THE GREATEST
RELATIVE COMBINATION OF MODEST INSTABILITY /AROUND 500 J PER KG
MLCAPE/ AND LOW-LEVEL SRH EXISTS.

..GUYER/MEAD.. 06/11/2014

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

ATTN...WFO...DTX...GRR...

LAT...LON   43248533 43498485 43678409 43588322 42828347 42768432
            42798525 43248533 

NNNN