[MCD] SWOMCD

[Mesoscale Convective Discussions]

ACUS11 KWNS 140100
SWOMCD
SPC MCD 140059 
MNZ000-SDZ000-140230-

MESOSCALE DISCUSSION 1508
NWS STORM PREDICTION CENTER NORMAN OK
0759 PM CDT THU JUL 13 2006

AREAS AFFECTED...MN/FAR EASTERN SD

CONCERNING...HEAVY RAINFALL...SEVERE THUNDERSTORM WATCH 596...

VALID 140059Z - 140230Z

VALID PORTION OF SEVERE THUNDERSTORM WATCH 596 CONTINUES UNTIL
03Z...WITH PRIMARY SEVERE THREAT ACROSS THE FAR SOUTHERN PORTION OF
WW 596 ACROSS SOUTHERN MN. DAMAGING WIND GUSTS/LARGE HAIL AND
LOCALLY HEAVY RAINFALL WILL REMAIN POSSIBLE. THIS THREAT WILL ALSO
DEVELOP EAST OF WW 596 TOWARD THE TWIN CITIES METRO OVER THE NEXT
HOUR OR TWO...AND A LOCAL WATCH EXTENSION APPEARS IMMINENT.

VIA CONGLOMERATION OF EARLIER TSTMS...FAIRLY EXPANSIVE COLD POOL HAS
EVOLVED ACROSS WEST CENTRAL/SOUTH CENTRAL MN. THIS COLD POOL APPEARS
TO BE DRIVING A SMALL SCALE MCS NEAR HUTCHINSON/LITCHFIELD MN ABOUT
40 W OF MSP AS OF 0045Z...WHICH SHOULD CONTINUE TO APPROACH THE TWIN
CITIES METRO AREA IN THE SHORT TERM. THE 00Z MPX OBSERVED RAOB WAS
REPRESENTATIVE OF A FAIRLY UNSTABLE/UNCAPPED AIRMASS WITH 1500 J/KG
MLCAPE. 

FARTHER NORTH...ACROSS WEST CENTRAL/NORTHERN MN...STORMS INTENSITY
HAS GRADUALLY DIMINISHED OVER THE PAST HOUR OR TWO...AND THE SEVERE
THREAT SHOULD REMAIN RATHER ISOLATED GIVEN CLOUD DEBRIS/INCREASING
SURFACE CINH.

..GUYER.. 07/14/2006

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

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

47749588 47829362 46379337 45109297 44549367 44639491
44779666 45219686 46679609 

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