Thursday, June 5, 2008

MESO: Mesoscale Discussion 1238

ACUS11 KWNS 052322
SWOMCD
SPC MCD 052322
MOZ000-IAZ000-KSZ000-NEZ000-OKZ000-060015-

MESOSCALE DISCUSSION 1238
NWS STORM PREDICTION CENTER NORMAN OK
0622 PM CDT THU JUN 05 2008

AREAS AFFECTED...ERN KS...NWRN MO...NRN OK

CONCERNING...TORNADO WATCH 462...466...

VALID 052322Z - 060015Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 462...466...CONTINUES.

AS OF 2320Z...LARGE QLCS WITH SEVERAL BOWING SEGMENTS AND EMBEDDED
SUPERCELLS EXTENDED FROM FAR SERN NEB S/SWWD INTO SWRN OK. ATTENDANT
THREATS OF SIGNIFICANT SEVERE WIND GUSTS/TORNADOES...ALONG WITH
LARGE HAIL WILL CONTINUE GIVEN INTENSE KINEMATIC FIELDS AND
SUBSTANTIAL DOWNSTREAM RESERVOIR OF MLCAPES FROM 2000 TO 3000 J/KG
PER LATEST PROFILERS AND OBJECTIVE ANALYSIS. THE GREATEST NEAR-TERM
EXTREME WIND POTENTIAL APPEARS TO BE EVOLVING WITH INTENSE BOW
CROSSING I-35 NEAR ICT SWD INTO KAY COUNTY OK. HERE...SEVEREAL
MESONET MEASURED WIND GUSTS FROM 65 TO 82 MPH HAVE BEEN REPORTED.
THIS MAY EVOLVE INTO A LONG-LIVED DERECHO AS IT LIKELY PROGRESSES
NEWD ACROSS SERN KS AND INTO WW 466. A SECONDARY EXTREME WIND MAX
APPEARS TO BE EVOLVING WITH DEVELOPING BOW ACROSS FAR SERN NEB/NERN
KS FROM NEAR MHK TO FNB. THIS TOO MAY DEVELOP INTO A LONG-LIVED
DERECHO AS IT PROGRESSES ACROSS THE MO RIVER VALLEY INTO NWRN
MO/SWRN IA.

..GRAMS.. 06/05/2008

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

ATTN...WFO...SGF...DMX...EAX...TSA...OAX...TOP...ICT...OUN...

40599368 37199539 36549626 35719824 35759862 36129864
36949806 38719740 40469610

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