Severe Storms Threaten Tonight

April 23rd, 2010 at 4:17 pm by under Weather

We’re expecting strong to severe thunderstorms to develop in our area tonight.  The good news is they should be out of here before sunrise Saturday morning, leaving behind a sunny, warm weekend.

We’re busy here in the weather center gearing up for the storms, so I’ll leave you with some important information below from our area National Weather Service offices. First, the latest radar images:

Click for latest Composite Reflectivity radar image from the Austin/San Antonio, TX radar and current weather warnings

SPC Day1 2000Z Outlook Categorical

   PUBLIC SEVERE WEATHER OUTLOOK 
   NWS STORM PREDICTION CENTER NORMAN OK
   1231 PM CDT FRI APR 23 2010
  
   …SEVERE THUNDERSTORMS EXPECTED OVER PARTS OF THE LOWER MISSISSIPPI
   RIVER VALLEY AND ARKLATEX VICINITY THIS AFTERNOON AND TONIGHT…
  
   THE NWS STORM PREDICTION CENTER IN NORMAN OK IS FORECASTING THE
   DEVELOPMENT OF A FEW STRONG TORNADOES AND LARGE HAIL OVER PARTS OF
   THE LOWER MISSISSIPPI RIVER VALLEY AND ARKLATEX VICINITY THIS
   AFTERNOON AND TONIGHT.
  
   THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE
  
          ARKANSAS
          NORTHERN LOUISIANA
          NORTHERN AND WESTERN MISSISSIPPI
          SOUTHEAST OKLAHOMA
          WESTERN TENNESSEE
          NORTHEAST TEXAS
  
   ELSEWHERE…SURROUNDING THE MODERATE RISK AREA…SEVERE STORMS ARE
   ALSO POSSIBLE ACROSS THE CENTRAL AND SOUTHERN PLAINS TO THE
   MISSISSIPPI RIVER VALLEY.
  
   AN UPPER LEVEL STORM SYSTEM WILL CONTINUE TO STRENGTHEN THIS
   AFTERNOON AND TONIGHT WHILE TRANSITIONING FROM THE SOUTHERN ROCKIES
   TO THE SOUTHERN PLAINS THROUGH EARLY SATURDAY. A COLD FRONT WILL
   SPREAD EASTWARD ACROSS THE MISSOURI RIVER VALLEY…EASTERN
   OKLAHOMA…AND PORTIONS OF EAST-CENTRAL TEXAS THROUGH TONIGHT.
  
   AHEAD OF THE COLD FRONT…A WARM…INCREASINGLY MOIST…AND UNSTABLE
   AIR MASS WILL DEVELOP NORTHWARD ACROSS THE SOUTH CENTRAL STATES
   TODAY. STRONG TO SEVERE THUNDERSTORMS WILL CONTINUE TO INCREASE AND
   SPREAD EAST-NORTHEASTWARD ACROSS THE MISSISSIPPI RIVER VALLEY THIS
   AFTERNOON AND EVENING. ATMOSPHERIC CONDITIONS WILL SUPPORT A RISK OF
   SEVERE THUNDERSTORMS CAPABLE OF TORNADOES…A FEW OF WHICH MAY BE
   STRONG.
  
   LATER TONIGHT…A SECONDARY ROUND OF SEVERE THUNDERSTORMS WILL
   LIKELY DEVELOP THIS EVENING AND ESPECIALLY OVERNIGHT ACROSS
   NORTHEAST AND CENTRAL TEXAS…AS WELL AS SOUTHEAST OKLAHOMA. AS
   THESE STORMS RACE EAST-NORTHEASTWARD LATE TONIGHT AND EARLY
   SATURDAY…LARGE HAIL…DAMAGING WINDS…AND A FEW TORNADOES WILL
   ALL BE POSSIBLE.
  
   ON SATURDAY…A SIGNIFICANT AND POTENTIALLY EXTENSIVE SEVERE WEATHER
   RISK…INCLUDING THE POSSIBILITY OF AN OUTBREAK WITH STRONG
   TORNADOES…IS EXPECTED ACROSS THE LOWER MISSISSIPPI RIVER
   VALLEY…TENNESSEE VALLEY…AND CENTRAL GULF COAST STATES.

  
Friday Night
Tonight

Severe thunderstorms are possible tonight across the eastern Hill Country…Austin/San Antonio Corridor and areas east as a Pacific Cold front progresses east across the area. Thunderstorms are forecast to initiate over the Hill county then move over the I-35 corridor after midnight. Some storms may become severe and produce large hail and damaging winds. Dry air will move in behind the front and rain chances will decrease rapidly after frontal passage.

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