[MCD] SWOMCD
Mesoscale Convective Discussions
mcd at goshenarc.org
Sat Jun 17 07:36:54 UTC 2006
ACUS11 KWNS 170735
SWOMCD
SPC MCD 170734
TXZ000-170930-
MESOSCALE DISCUSSION 1217
NWS STORM PREDICTION CENTER NORMAN OK
0234 AM CDT SAT JUN 17 2006
AREAS AFFECTED...PARTS OF THE HILL COUNTRY/EDWARDS PLATEAU REGION OF
CENTRAL TX
CONCERNING...SEVERE THUNDERSTORM WATCH 498...
VALID 170734Z - 170930Z
SEVERE THREAT TO CONTINUE FOR THE NEXT COUPLE OF HOURS ACROSS SRN
PORTIONS OF WW 498.
LATEST RADAR IMAGERY SHOWS STORMS INCREASING IN COVERAGE ACROSS
PARTS OF CENTRAL TX/IN AND TO THE SW OF WW 498. SELY LOW-LEVEL
JET/WARM ADVECTION CONTINUE TO SUPPORT CONVECTIVE
DEVELOPMENT...WITHIN MOIST /LOW 70S DEWPOINTS/ AND
MODERATELY-UNSTABLE /AROUND 2500 J/KG MEAN-LAYER CAPE/ AIRMASS.
THOUGH VEERING WITH HEIGHT IS NOTED IN THE LOW-LEVEL WIND
FIELD...MID-LEVEL FLOW REMAINS FAIRLY WEAK ACROSS THIS REGION.
MODELS SUGGEST THAT THE LOW-LEVEL JET WILL FOCUS NWD INTO NW TX OVER
THE NEXT FEW HOURS...RESULTING IN AN EVEN LESS FAVORABLE WIND FIELD
WITH TIME. THEREFORE...EXPECT A LOCAL THREAT FOR HAIL AND DAMAGING
WINDS TO CONTINUE FOR A COUPLE MORE HOURS...BEFORE DECREASING
THROUGH SUNRISE.
..GOSS.. 06/17/2006
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...FWD...EWX...SJT...
31829958 32149839 32069745 30279808 29710031
WWWW
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