Wednesday, May 19, 2010

MESO: Mesoscale Discussion 0621

ACUS11 KWNS 191032
SWOMCD
SPC MCD 191032
OKZ000-191130-

MESOSCALE DISCUSSION 0621
NWS STORM PREDICTION CENTER NORMAN OK
0532 AM CDT WED MAY 19 2010

AREAS AFFECTED...NRN OK

CONCERNING...SEVERE THUNDERSTORM WATCH 189...

VALID 191032Z - 191130Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 189
CONTINUES.

WELL ORGANIZED MCS HAS EVOLVED OVER NRN OK WITH AN MCV NOW EVIDENT
ALONG THE WOODS/ALFALFA COUNTY LINE. ATTENDANT BOWING TYPE SQUALL
LINE IS BEGINNING TO SURGE EWD AT ROUGHLY 35KT WITH THE APEX NOW
INTO WRN GARFIELD COUNTY. MESONET DATA INDICATES WIND SPEEDS ARE
GUSTING ABOVE 50 MPH WITH THIS ACTIVITY AND NEAR-SEVERE GUSTS MAY
DEVELOP OVER THE NEXT HOUR AS SQUALL LINE MATURES. GIVEN CURRENT
SPEED/MOVEMENT...MCS SHOULD SPREAD ACROSS THE REMAINDER OF WW INTO
NERN OK OVER THE NEXT 2-4 HOURS.

..DARROW.. 05/19/2010

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

ATTN...WFO...TSA...OUN...

LAT...LON 36969857 36929604 35849609 36009977 36969857

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