785  
ACUS11 KWNS 111856  
SWOMCD  
SPC MCD 111856  
MSZ000-LAZ000-TXZ000-112100-  
 
MESOSCALE DISCUSSION 0219  
NWS STORM PREDICTION CENTER NORMAN OK  
0156 PM CDT WED MAR 11 2026  
 
AREAS AFFECTED...SOUTHEAST TX TO THE LOWER MS VALLEY  
 
CONCERNING...TORNADO WATCH 44...  
 
VALID 111856Z - 112100Z  
 
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 44 CONTINUES.  
 
SUMMARY...PRIMARY CORRIDOR OF SEVERE POTENTIAL INTO LATE AFTERNOON  
SHOULD BE ACROSS A PORTION OF SOUTHEAST TEXAS TO THE  
LOUISIANA/MISSISSIPPI BORDER VICINITY OF THE LOWER MISSISSIPPI  
VALLEY. SPORADIC DAMAGING WINDS AND A COUPLE TORNADOES MAY YET  
OCCUR.  
 
DISCUSSION...THE FORWARD SPEED OF A QLCS ACROSS EAST TX HAS BEEN  
MODEST THUS FAR, WITH A PAUCITY OF MEASURED WIND GUSTS APPROACHING  
SEVERE MAGNITUDES. THE DOWNSTREAM BOUNDARY LAYER REMAINS WARM WITH  
LOW TO MID 80S SURFACE TEMPERATURES COMMON. BUT AS OBSERVED BY THE  
18Z LCH SOUNDING, WEAK MID-LEVEL LAPSE RATES HAVE HAMPERED UPDRAFT  
INTENSITY, AS WELL AS SUSTAINED DISCRETE DEVELOPMENT AHEAD OF THE  
LARGE-SCALE OUTFLOW. THE CONTINUED EASTWARD PROGRESSION OF THE  
CENTRAL TX SHORTWAVE TROUGH SHOULD SUPPORT INTENSIFICATION OF THE  
QLCS INTO THE LATE AFTERNOON. LOW-LEVEL SHEAR WILL GENERALLY REMAIN  
STRONG JUST AHEAD OF THE QLCS, MAINLY ACROSS THE COASTAL PLAIN NEAR  
THE LOWER SABINE VALLEY, WITH WEAKER VALUES FARTHER INLAND AND EAST  
PER VWP DATA/SHORT-TERM FORECAST GUIDANCE. THE COMPACT NATURE OF THE  
COLD CORE NEAR THE TROUGH MAY CONTINUE TO HAMPER MORE ROBUST STORM  
INTENSITIES, EVEN WITH APPROACH OF PEAK BOUNDARY-LAYER  
HEATING/DEPTH.  
 
..GRAMS/GLEASON.. 03/11/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...JAN...LIX...LCH...SHV...HGX...  
 
LAT...LON 31109505 31319444 31829345 32219267 32509184 32629119  
32569087 32229066 31849079 31089155 30569254 30319345  
30189415 30109457 30079491 30339507 31109505  
 
MOST PROBABLE PEAK TORNADO INTENSITY...85-115 MPH  
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN  
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