SWOMCD
SPC MCD 262105
NEZ000-KSZ000-SDZ000-COZ000-WYZ000-262230-
MESOSCALE DISCUSSION 0598
NWS STORM PREDICTION CENTER NORMAN OK
0405 PM CDT THU APR 26 2007
AREAS AFFECTED...SERN WY/NERN CO/WRN NEB/SW SD
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 262105Z - 262230Z
..POTENTIAL FOR STRONG/SVR WIND GUSTS WITH HIGH BASED TSTMS THIS
AFTN...
LATEST RADAR LOOPS SHOW STRONG STORMS HAVE DEVELOPED FROM JUST
SOUTHEAST OF RIVERTON TO THE WRN NEB PANHANDLE. TEMPERATURES HAVE
HEATED UP TO NEAR 70 DEGREES IN THE HIGH PLAINS...CONTRIBUTING TO
SBCAPE VALUES IN EXCESS OF 1000 J/KG. APPROACHING SHORTWAVE TROUGH
IS LOCATED OVER ECNTRL MT/CNTRL WY THIS AFTN. LAPSE RATES ARE
FORECAST TO FURTHER STEEPEN ACROSS THE AREA...WITH 500MB TEMPS NEAR
-20C. TEMPERATURE/DEWPOINT SPREADS ARE ON THE ORDER OF 30-40
DEGREES.
ALTHOUGH A WATCH IS NOT ANTICIPATED...THERE WILL LIKELY BE A FEW
STRONG/SVR WIND GUSTS WITH THE MOST INTENSE STORMS THIS AFTN.
RIVERTON AND LANDER WY RECENTLY GUSTED ABOVE 30 KT WHEN STORMS
PASSED THROUGH. ADDITIONALLY...MARGINALLY LARGE HAIL IS POSSIBLE.
.TAYLOR.. 04/26/2007
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...LBF...UNR...GLD...BOU...CYS...RIW...
39560363 39610538 42780841 43570729 43870371 42880190
39210135
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