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Concerns Increasing for a Severe Weather Event Across North Texas!

 

An upgrade to a Moderate Risk of Severe Weather has been issued for potions of North Texas.  The Moderate Risk area includes the cities of Gainesville, Sherman, Dennison, Dallas, Ft. Worth, Granbury, Mineral Wells, Stephenville, Corsicana, Bonham, Paris, Tyler, Longview, Sulphur Springs, Texarkana and their surrounding towns and communities.   An Enhanced Risk of severe weather covers Wichita Falls, Abilene, Waco, Killeen, Austin, San Antonio, Bryan/College Station and Huntsville.  The Slight Risk area includes parts of west central Texas, western Hill Country and coastal south/southeast Texas.

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At this time, we have two separate thunderstorm cluster underway…one across west central Texas between Big Spring and Colorado City,  and the other just west of San Antonio.  The first is expected to impact western North Texas west of D/FW around 2 to 3pm, give or take, with large hail, and damaging winds as the primary threat.  Current thinking has this cluster eventually forming into a bow echo (Derecho) which is basically a very long squall line of storms carrying a high wind threat along with the possibility of embedded brief tornadic spin-ups along the leading edge.  It’s due to this latest development that the Storm Prediction Center decided to upgrade north/northeast Texas to Moderate Risk.  As for the southern cluster of storms, depending on how things evolve, it will continue to move east into the Hill Country region by around noon with a threat of large hail, damaging winds, and a few brief tornadoes as well.  A Severe Thunderstorm WATCH is already in place for parts of western north Texas until 1pm today.  It’s expected that an additional Watch for the western Hill Country will be issued shortly.

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NWS STORM PREDICTION CENTER NORMAN OK
   645 AM CDT MON MAY 25 2015

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
     NORTHWEST TEXAS

   * EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 645 AM UNTIL
     100 PM CDT.

   * PRIMARY THREATS INCLUDE...
     SCATTERED LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL EVENTS
       TO 2 INCHES IN DIAMETER POSSIBLE
     SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

   SUMMARY...CLUSTER OF STRONG TO SEVERE STORMS EXPECTED TO DEVELOP
   EAST-NORTHEAST FROM THE TEXAS SOUTH PLAINS TOWARDS THE LOW ROLLING
   PLAINS AND BIG COUNTRY THROUGH MIDDAY.

   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60
   STATUTE MILES EITHER SIDE OF A LINE FROM 60 MILES NORTHWEST OF
   MIDLAND TEXAS TO 40 MILES NORTHEAST OF ABILENE TEXAS.

 

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David Reimer

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