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Mesoscale Discussion 899 |
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MESOSCALE DISCUSSION 0899
NWS STORM PREDICTION CENTER NORMAN OK
0516 PM CDT MON JUN 13 2016
AREAS AFFECTED...PORTIONS OF ERN CO...WRN KS...FAR SWRN NEB...TX/OK
PANHANDLES...NERN NM
CONCERNING...TORNADO WATCH 250...
VALID 132216Z - 132345Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 250 CONTINUES.
SUMMARY...THE SVR RISK CONTINUES ACROSS WW 250.
DISCUSSION...CONVECTIVE CLUSTERS AND A FEW SUPERCELLS CONTINUE
TRACKING ACROSS PORTIONS OF THE CNTRL/SRN HIGH PLAINS. THE
CONVECTIVELY UNPERTURBED AIR MASS REMAINS MODERATELY TO STRONGLY
UNSTABLE...AS SFC DEWPOINTS IN THE MIDDLE 50S TO MIDDLE 60S ARE
SAMPLED ACROSS THE REGION -- BENEATH STEEP MID-LEVEL LAPSE RATES.
NOTABLE VERTICALLY-VEERING-FLOW PROFILES IN THE LOWEST 3 KM AGL
SAMPLED BY AREA VWPS...COUPLED WITH 40-60 KT OF EFFECTIVE BULK
SHEAR...SUGGEST THAT ORGANIZED CONVECTIVE MODES/POSSIBLE SUPERCELLS
WILL CONTINUE TO SPREAD EWD/SEWD DURING THE NEXT FEW HOURS.
SUPERCELLS NEAR/E OF THE FRONT RANGE FROM PUEBLO TO CASTLE ROCK IN
CO MAY HAVE THE GREATEST POTENTIAL TO PRODUCE SVR HAIL AND PERHAPS A
COUPLE OF TORNADOES -- GIVEN THE ELY SFC WIND COMPONENT AND AMPLE
AFOREMENTIONED LOW-LEVEL MOISTURE BACKED UP TO THE FRONT RANGE.
OTHER CLUSTERS OF SVR TSTMS FROM SERN CO TO NERN NM AND THE WRN TX
PANHANDLE WILL SPREAD EWD/SEWD WITH A RISK FOR SVR WIND/HAIL AND
PERHAPS A BRIEF TORNADO.
..COHEN.. 06/13/2016
ATTN...WFO...DDC...GLD...AMA...PUB...BOU...ABQ...
LAT...LON 40300459 40840369 40710219 38930153 36270172 35080277
35330477 37580503 40300459
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