MESO: Mesoscale Discussion 0884

ACUS11 KWNS 302034
SWOMCD
SPC MCD 302034
WIZ000-IAZ000-MNZ000-302230-

MESOSCALE DISCUSSION 0884
NWS STORM PREDICTION CENTER NORMAN OK
0334 PM CDT THU MAY 30 2013

AREAS AFFECTED...FAR NE IA...FAR SE MN...WRN/CNTRL WI

CONCERNING...TORNADO WATCH 250...

VALID 302034Z - 302230Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 250 CONTINUES.

SUMMARY...SVR THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA WITH A
PRIMARY THREAT FOR DAMAGING WINDS. A FEW TORNADOES ARE ALSO
POSSIBLE.

DISCUSSION...MAIN VORTICITY MAXIMUM ASSOCIATED WITH THE SHORTWAVE
TROUGH REMAINS SW OF THE AREA. CONTINUED SLY FLOW CONTINUES TO
MAINTAIN WARM TEMPERATURES AND A MOIST BOUNDARY LAYER ACROSS THE
REGION. SEVERAL CONVECTIVE LINES HAVE ALREADY MOVED ACROSS THE WATCH
AREA AND THAT TREND WILL LIKELY CONTINUE FOR THE NEXT SEVERAL HOURS
WITH A PRIMARY THREAT OF STRONG WINDS. CONVECTIVE LINE ACROSS
S-CNTRL WI HAS RECENTLY SHOWN A TENDENCY TOWARDS MORE ORGANIZATION
WITH A LOCALIZED THREAT OF WIND IN EXCESS OF 55 TO 60 KT ACROSS NW
PORTIONS OF MKX CWA. ADDITIONALLY...THE MOIST LOW-LEVEL ENVIRONMENT
REMAINS SUPPORTIVE OF A FEW TORNADOES EMBEDDED WITHIN THE LARGER
CONVECTIVE LINES.

..MOSIER.. 05/30/2013

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

ATTN...WFO...GRB...MKX...DVN...DLH...ARX...MPX...

LAT...LON 42549191 45899187 45898900 42548919 42549191

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