[MCD] SWOMCD

[Mesoscale Convective Discussions]

ACUS11 KWNS 190050
SWOMCD
SPC MCD 190050 
TXZ000-190245-

MESOSCALE DISCUSSION 0550
NWS STORM PREDICTION CENTER NORMAN OK
0750 PM CDT TUE APR 18 2006

AREAS AFFECTED...SCENTRAL/CENTRAL TX

CONCERNING...SEVERE THUNDERSTORM WATCH 200...

VALID 190050Z - 190245Z

CLUSTER OF SVR STORMS OVER THE HILL COUNTRY WILL MOVE EWD AROUND 25
KTS INTO THE I-35 CORRIDOR FROM GEORGETOWN SWD THROUGH AUS OVER THE
NEXT FEW HRS. INCREASING INHIBITION WILL LIKELY LIMIT ADDITIONAL SVR
TSTM DEVELOPMENT TO THE WSW OF THIS ACTIVITY. THERFORE THE SVR TSTM
THREAT APPEARS TO BE DECREASING OVER THE OVER THE SRN/WRN HILL
COUNTRY /REAL...BANDERA...MEDINA...UVALDE... AND BEXAR COUNTIES/.
THIS AREA IS EXPECTED TO BE CLEARED WITHIN THE NEXT HR.

OBSERVED CONDITIONS OVER THE ERN HILL COUNTRY ENTERED INTO THE 00Z
DRT SOUNDING INDICATES AROUND 100 J/KG OF MUCINH. WITH THE
COMBINATION OF STORMS MOVING OVER LOWER ELEVATION AND INCREASING
CINH AS BOUNDARY LAYER DECOUPLES OVER THE NEXT FEW HRS...EXPECT A
GRADUALLY WANING SVR THREAT WITH CLUSTER OF STORMS OVER THE ERN/NRN
HILL COUNTRY. HOWEVER BEFORE THAT OCCURS...LARGE HAIL/DMGG WINDS
WILL REMAIN POSSIBLE THROUGH AT LEAST 02Z. NO ADDITIONAL WW IS
EXPECTED EAST OF WW 200 FOR THE ABOVE REASONING.

..CROSBIE.. 04/19/2006

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

ATTN...WFO...FWD...EWX...SJT...

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31019716 

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