[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 120309
SWOMCD
SPC MCD 120308 
MNZ000-SDZ000-NDZ000-120515-

MESOSCALE DISCUSSION 0666
NWS STORM PREDICTION CENTER NORMAN OK
1008 PM CDT TUE MAY 11 2004

AREAS AFFECTED...ERN DAKOTAS INTO WRN MN

CONCERNING...SEVERE THUNDERSTORM WATCH 191...

VALID 120308Z - 120515Z

CONTINUE REMAINING VALID PORTION OF WW

GUST FRONT ON LEADING EDGE OF SURFACE COLD POOL GENERATED BY
MESOSCALE CONVECTIVE SYSTEM CONTINUES TO PROGRESS TOWARD THE WESTERN
MINNESOTA BORDER...JUST AHEAD OF SHARP SURFACE COLD FRONT NOSING
SOUTHWARD THROUGH WESTERN/CENTRAL SOUTH DAKOTA.  WHILE CONVECTION
HAS SPREAD THROUGH MUCH OF PRE-FRONTAL THERMAL RIDGE/INSTABILITY
AXIS...WARM SECTOR BOUNDARY LAYER REMAINS WARM AND MOIST INTO AREAS
OF WESTERN MINNESOTA...SOUTHEAST OF SURFACE LOW NEAR FARGO.  THUS...
POTENTIAL STRONG WINDS MAY CONTINUE ANOTHER FEW HOURS ALONG LEADING
EDGE OF OUTFLOW AS IT SPREADS EAST OF THE MINNESOTA BORDER...BEFORE
CONVECTION SLOWLY WEAKENS IN ENVIRONMENT WITH WEAKER LOWER/MID
TROPOSPHERIC LAPSE RATES.

..KERR.. 05/12/2004

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

ATTN...WFO...MPX...FGF...FSD...ABR...

45699756 46319713 46669685 46679550 45629545 44369577
43719663 43479782 43929831 

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