SWOMCD
SPC MCD 092256
NEZ000-KSZ000-COZ000-100030-
MESOSCALE DISCUSSION 1553
NWS STORM PREDICTION CENTER NORMAN OK
0556 PM CDT SAT JUL 09 2011
AREAS AFFECTED...ERN CO...SW NEB...NW KS
CONCERNING...SEVERE THUNDERSTORM WATCH 614...
VALID 092256Z - 100030Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 614
CONTINUES.
SVR WIND GUSTS AND LARGE HAIL WILL BE PRIMARY HAZARDS THROUGH
MID-EVENING...ESPECIALLY OVER THE ECNTRL/NERN CO PLAINS INTO NWRN KS
AND SWRN NEB.
STORMS THAT INITIATED IN THE FOOTHILLS/PALMER DIVIDE EARLIER TODAY
HAVE BEEN THRIVING ON THE PLAINS WHERE AN AXIS OF MLCAPE TO 2000
J/KG EXISTS. ALTHOUGH ELY UPSLOPE LLVL FLOW WAS NOT PARTICULARLY
STRONG...VEERING WIND TO WLY AT 35 KTS IN THE MID-LEVELS WAS
BOOSTING EFFECTIVE SHEAR TO SUPPORT SUPERCELLS. IN FACT...ISOLD
CELL MOVING ACROSS KIT CARSON COUNTY CO HAS SHOWN SUPERCELL
CHARACTER THROUGH 2230Z.
HIGHEST SVR POTENTIAL WILL BEGIN TO SHIFT ENE TOWARD NWRN/WCNTRL KS
AND SWRN NEB WITH TIME THIS EVENING ALONG/N OF A WARM FRONT AS COLD
POOLS COLLECT AND WEAK LARGE-SCALE ASCENT SPREAD ENE IN ASSOCIATION
WITH A WEAK SUB-TROPICAL WAVE. HOWEVER...EXPECT THAT POST-SUNSET
INCREASE OF INHIBITION ON THE PLAINS WILL LIMIT EWD EXTENT OF THE
SVR WIND THREAT TO VCNTY A KMCK-KGCK LINE.
STORMS WILL EITHER TRANSLATE AND/OR BLOSSOM FARTHER TO THE E AND NE
ACROSS CNTRL/SRN NEB LATER THIS EVENING AS THE NOCTURNAL LLJ
ACCELERATES ACROSS THE SRN PLAINS.
..RACY.. 07/09/2011
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...GID...LBF...GLD...PUB...BOU...
LAT...LON 37610478 38480507 39430515 40230491 40580453 40870349
40890255 41320101 41299986 40879972 40579982 40120007
39230101 38730139 38160218 37810290 37600374 37610478
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