Monday, April 23, 2007

MESO: Mesoscale Discussion 0551

ACUS11 KWNS 240053
SWOMCD
SPC MCD 240052
COZ000-240245-

MESOSCALE DISCUSSION 0551
NWS STORM PREDICTION CENTER NORMAN OK
0752 PM CDT MON APR 23 2007

AREAS AFFECTED...PORTIONS ERN CO.

CONCERNING...TORNADO WATCH 165...

VALID 240052Z - 240245Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 165 CONTINUES.

LONG-LIVED AND POSSIBLY TORNADIC SUPERCELL OVER MORGAN COUNTY SHOULD
CONTINUE TO MOVE ENEWD ACROSS PORTIONS LOGAN COUNTY WITH CONTINUED
THREAT OF DAMAGING GUSTS AND HAIL...AND PERHAPS TORNADOES. BAND OF
CONVECTION HAS DEVELOPED SWWD FROM THIS ACTIVITY WHICH MAY SEED IT
AND CAUSE TREND TOWARD HEAVY-PRECIP THEN BOWING CHARACTER. TRAILING
CONVECTION EXTENDS ERN ADAMS/ARAPAHOE AND WRN ELBERT
COUNTY...BECOMING BKN TOWARD COS. ISALLOBARIC FORCING ACROSS THIS
REGION SHOULD MAINTAIN BACKED/UPSLOPE SFC WINDS NOW OBSERVED AT
LIC/AKO/ITR. THIS ALSO WILL BE PROVIDING FAVORABLY STG
STORM-RELATIVE INFLOW...AS WELL AS MAINTAINING LARGE LOW LEVEL
HODOGRAPHS NOW EVIDENT IN GLD VWP AND ERN CO RUC SOUNDINGS. 200-250
J/KG OF 0-1 KM SRH WILL CONTINUE ALONG WITH 50-55 KT EFFECTIVE
SHEAR. ADDITIONALLY...EXPECT MOIST ADVECTION TO OFFSET SFC DIABATIC
COOLING ENOUGH FOR EFFECTIVE LIFTED PARCELS TO REMAIN ROOTED AT OR
VERY NEAR SFC...ACROSS E-CENTRAL/NERN CO...FOR AT LEAST ANOTHER 2-3
HOURS. THIS INDICATES DAMAGING WIND AND TORNADO POTENTIAL CONTINUES
AS WELL AS LARGE HAIL.

.EDWARDS.. 04/24/2007

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

ATTN...WFO...GLD...PUB...BOU...

38810502 39810457 40720352 40900277 40570222 39210205
37630209 38140377 38500459

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