[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 080441
SWOMCD
SPC MCD 080441 
TXZ000-080615-

MESOSCALE DISCUSSION 0769
NWS STORM PREDICTION CENTER NORMAN OK
1141 PM CDT SAT MAY 07 2005

AREAS AFFECTED...SW..W CNTRL TX

CONCERNING...SEVERE THUNDERSTORM WATCH 227...

VALID 080441Z - 080615Z

CONTINUE REMAINING VALID PORTION OF WW.

BROAD UPPER TROUGH WITH EMBEDDED SHORT WAVES CONTINUES TO DEVELOP
EASTWARD OUT OF THE SOUTHERN PLATEAU INTO THE SOUTHERN ROCKIES/HIGH
PLAINS.  DIVERGENT UPPER FLOW FIELD DOWNSTREAM OF THIS FEATURE HAS
AIDED EVOLUTION OF MESOSCALE CONVECTIVE SYSTEM NOW PROGRESSING
ACROSS THE SAN ANGELO AREA.  THIS ACTIVITY HAS PROGRESSED AWAY FROM
DRY LINE...WHICH REMAINS BACKED UP TO THE HIGHER TERRAIN NEAR/WEST
OF THE PECOS RIVER.  DRY LINE LIKELY WILL REMAIN A FOCUS FOR NEW
INTENSE CONVECTIVE DEVELOPMENT ANOTHER SEVERAL HOURS.

SEVERE THREAT MAY DECREASE WITH EASTWARD PROGRESSION TOWARD THE
INTERSTATE 35 CORRIDOR OVERNIGHT...AWAY FROM STEEP LAPSE RATE
ENVIRONMENT ACROSS THE HIGH PLAINS.  HOWEVER...POTENTIAL FOR LARGE
HAIL...PERHAPS STRONG SURFACE WIND GUSTS...WILL PERSIST WITH ONGOING
CONVECTION INTO AREAS EAST OF SAN ANGELO/SOUTH OF ABILENE THROUGH
06Z...AS WELL AS WITH NEW ACTIVITY SPREADING BACK INTO AREAS
WEST/SOUTH OF SAN ANGELO.

..KERR.. 05/08/2005

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

ATTN...WFO...FWD...SJT...MAF...

32280067 32930013 33089900 32749866 31829897 31009965
30450054 30390168 30530267 31020277 31160225 31410178
31610122 

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