Tuesday, August 28, 2007

MESO: Mesoscale Discussion 1909

ACUS11 KWNS 280656
SWOMCD
SPC MCD 280656 COR
WIZ000-MNZ000-280745-

MESOSCALE DISCUSSION 1909
NWS STORM PREDICTION CENTER NORMAN OK
0156 AM CDT TUE AUG 28 2007

AREAS AFFECTED...E CNTRL MN INTO NW WI

CONCERNING...SEVERE POTENTIAL...WATCH LIKELY

VALID 280656Z - 280745Z

CORRECTED 4TH/8TH LINES OF TEXT

WW WILL LIKELY BE ISSUED SHORTLY.

SMALL CONVECTIVE CLUSTER APPROACHING THE MINNEAPOLIS AREA APPEARS TO
BE MAINTAINED BY ZONE OF ENHANCED LOW-LEVEL WARM ADVECTION AND
DIVERGENT UPPER FLOW AHEAD OF A WEAK IMPULSE EMBEDDED WITHIN THE
SUBTROPICAL STREAM. ACTIVITY IS MOVING EAST NORTHEASTWARD ALONG OR
JUST SOUTH OF SURFACE FRONTAL ZONE AT AROUND 45 KTS...AND WILL
PROGRESS THROUGH AT LEAST NORTH/WESTERN PORTIONS OF THE GREATER
MINNEAPOLIS AREA BY 08Z. SERIES OF OUTFLOWS WHICH HAVE ALREADY
ADVANCED THROUGH THE MINNEAPOLIS AREA...ASSOCIATED WITH STORMS NOW
TO THE NORTH/EAST...APPEAR SHALLOW...AND NOT SIGNIFICANT ENOUGH TO
PRECLUDE CONTINUING DAMAGING WIND POTENTIAL WITH APPROACHING STORMS.
RISK FOR DAMAGING WINDS MAY CONTINUE THROUGH THE RICE LAKE /EAU
CLAIRE AREAS OF NORTHWEST WISCONSIN BY 09/10Z...BEFORE STORMS
ENCOUNTER COOLER MORE STABLE BOUNDARY LAYER.

.KERR.. 08/28/2007

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

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

45039461 45459402 45689288 45679202 45329156 44959184
44809260 44629370 44549405 44679453 44869456

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