Latest MD
Posted by JAC on 6/13/2009, 9:10 pm


MESOSCALE DISCUSSION 1102
  NWS STORM PREDICTION CENTER NORMAN OK
  0746 PM CDT SAT JUN 13 2009
 
  AREAS AFFECTED...WESTERN/NORTH TX INTO WESTERN/SOUTHERN OK AND
  SOUTHEAST CO/SOUTHWEST KS
 
  CONCERNING...TORNADO WATCH 398...399...
 
  VALID 140046Z - 140145Z
 
  THE SEVERE WEATHER THREAT FOR TORNADO WATCH 398...399...CONTINUES.
 
  TORNADO WATCHES 398/399 CONTINUE UNTIL 04Z/06Z RESPECTIVELY...WITH A
  BROAD CORRIDOR OF SUPERCELL/SEVERE STORM POTENTIAL LIKELY TO
  CONTINUE FROM SOUTHEAST CO/SOUTHWEST KS INTO WESTERN/NORTHERN TX AND
  WESTERN OK THIS EVENING.
 
  HIGHLY COMPLEX/WIDESPREAD SEVERE SCENARIO CONTINUES TO UNFOLD ACROSS
  MUCH OF NORTHWEST/WEST CENTRAL TX EARLY THIS EVENING. WITHIN WW
  398...THE MOST PROLIFIC STORM ACROSS THE WESTERN PART OF NORTH TX
  /HASKELL AND THROCKMORTON COUNTIES AS OF 0030Z/ WILL LIKELY CONTINUE
  TO DEVELOP EAST-SOUTHEASTWARD OVER THE NEXT FEW HOURS AMIDST A
  SOUTHEASTERLY MOIST/HIGHLY UNSTABLE INFLUX. THE 00Z FORT WORTH
  OBSERVED RAOB REFLECTS VERY STEEP MID LEVEL LAPSE RATES IN EXCESS OF
  8 C/KM AND A MEAN MIXING RATIO OF 17 G/KG...WHICH IS RESULTING IN
  STRONG MLCAPE IN EXCESS OF 4200 J/KG. THE AFOREMENTIONED STORM WILL
  LIKELY CONTINUE TO EXHIBIT SUPERCELLULAR CHARACTERISTICS WITH
  ASSOCIATED TRANSIENT/RAIN EMBEDDED TORNADO POTENTIAL OVER THE NEXT
  1-2 HOURS...BUT OTHERWISE...A DEVELOPING COLD POOL/CONTINUED STORM
  MERGERS ARE SUGGESTIVE OF A TREND TOWARD SEVERE MCS DEVELOPMENT
  ACROSS NORTH TX INTO ADJACENT PORTIONS OF WESTERN/SOUTHERN OK.
 
  FARTHER NORTH IN TORNADO WATCH 399 ACROSS THE TX PANHANDLE AND
  SOUTHEAST CO/SOUTHWEST KS...OTHER SUPERCELLS WITH TORNADO/LARGE HAIL
  POTENTIAL WILL LIKELY CONTINUE TO DEVELOP NORTHEASTWARD/EXPAND
  ACROSS THE TX/OK PANHANDLES THROUGH THE EVENING...EVENTUALLY AIDED
  BY THE INCREASE OF A SOUTHERLY LOW LEVEL JET ACROSS THE SOUTHERN
  HIGH PLAINS. WITH 40 KT MID LEVEL ATOP MOIST/SOUTHEASTERLY FLOW IN
  THE BOUNDARY LAYER...OTHER SUPERCELLS ACROSS SOUTHEAST CO WILL
  LIKELY CONTINUE TO MOVE EASTWARD INTO/ACROSS PORTIONS OF
  SOUTHWEST/PERHAPS WEST CENTRAL KS OVER THE NEXT SEVERAL HOURS...WITH
  CONTINUED LARGE HAIL/ISOLATED TORNADIC POTENTIAL.
 
  AREAS ADJACENT TO TORNADO WATCHES 398/399...INCLUDING PORTIONS OF
  WEST CENTRAL/NORTH CENTRAL TX INTO WESTERN/CENTRAL OK AND
  SOUTHWEST/WEST CENTRAL KS...ARE BEING MONITORED FOR ONE OR MORE
  ADDITIONAL WATCHES OR LOCAL EXTENSIONS.
 
  ..GUYER.. 06/14/2009
 
15
In this thread:
North TX / OK Severe Weather this afternoon - JAC, 6/13/2009, 9:00 am
< Return to the front page of the: message board | monthly archive this page is in
Post A Reply
This thread has been archived and can no longer receive replies.