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April 26th-30th, 2014 Major Tornado Outbreak


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I'm no expert in damage surveys, but that last image looks like it could be EF-4 damage.

Some homes look like they were swept right off of the foundation.. that's borderline EF5. I feel sick to my stomach looking at these pictures.. So many lives were destroyed today. Homes destroyed. Families torn apart.

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SEVERE WEATHER THREAT FOR TORNADO WATCH  
100...102...103...CONTINUES.  
 
SUMMARY...THE RISK FOR SEVERE THUNDERSTORMS INCLUDING TORNADOES  
CONTINUES ACROSS TORNADO WATCHES 100...102...AND 103.  
 
DISCUSSION...THE ONGOING SEVERE THUNDERSTORM AND TORNADO POTENTIAL  
ACROSS TORNADO WATCHES 100...102...AND 103 IS EVOLVING IN TWO  
REGIMES:  
 
/1/ PRE-FRONTAL SEMI-DISCRETE/DISCRETE SUPERCELLS ARE ADVANCING NEWD  
FROM CNTRL AR INTO NERN AR AIDED BY A STRENGTHENING LLJ. UPPER  
60S/LOWER 70S SFC-DEWPOINT AIR IS RETREATING NEWD TO SUPPORT  
LOWERING OF EFFECTIVE INFLOW LAYERS FOR THE ONGOING CONVECTION.  
AND...WITH AROUND 450-600 M2/S2 OF 0-1-KM SRH INDICATED BY RECENT  
LZK VWP DATA THAT DEPICT A LONG...LOOPING LOW-LEVEL  
HODOGRAPH...TORNADOES -- SOME POSSIBLY SIGNIFICANT -- MAY ACCOMPANY  
THIS ACTIVITY. LARGE HAIL AND DAMAGING WINDS WILL ALSO BE POSSIBLE.  
 
/2/ WATER VAPOR LOOPS IMPLY AN ARCING BAND OF ENHANCED MID-LEVEL  
ASCENT/MOISTURE OVERTAKING A STALLED BOUNDARY OVER SERN  
OK...SUPPORTING THE INITIATION OF CONVECTION. THIS ACTIVITY WILL  
LIKELY EXHIBIT QUASI-LINEAR MODES AS IT DEVELOPS ALONG THE FRONT AND  
WILL POSE THE RISK FOR DMGG WINDS AND LARGE HAIL. SRX VWP DATA  
INDICATE AROUND 25-30 KT OF 0-1-KM BULK SHEAR SUGGESTING SOME  
TORNADO THREAT WILL EXIST AS WELL...AS THIS ACTIVITY SPREADS EWD  
ACROSS SERN/E-CNTRL OK AND EVENTUALLY INTO PARTS OF WRN AR.  
  
 

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MESOSCALE DISCUSSION 0439
NWS STORM PREDICTION CENTER NORMAN OK
0843 PM CDT SUN APR 27 2014

AREAS AFFECTED...PORTIONS OF ERN OK...AR...SERN MO

CONCERNING...TORNADO WATCH 100...102...103...

VALID 280143Z - 280245Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH
100...102...103...CONTINUES.

SUMMARY...THE RISK FOR SEVERE THUNDERSTORMS INCLUDING TORNADOES
CONTINUES ACROSS TORNADO WATCHES 100...102...AND 103.

DISCUSSION...THE ONGOING SEVERE THUNDERSTORM AND TORNADO POTENTIAL
ACROSS TORNADO WATCHES 100...102...AND 103 IS EVOLVING IN TWO
REGIMES:

/1/ PRE-FRONTAL SEMI-DISCRETE/DISCRETE SUPERCELLS ARE ADVANCING NEWD
FROM CNTRL AR INTO NERN AR AIDED BY A STRENGTHENING LLJ. UPPER
60S/LOWER 70S SFC-DEWPOINT AIR IS RETREATING NEWD TO SUPPORT
LOWERING OF EFFECTIVE INFLOW LAYERS FOR THE ONGOING CONVECTION.
AND...WITH AROUND 450-600 M2/S2 OF 0-1-KM SRH INDICATED BY RECENT
LZK VWP DATA THAT DEPICT A LONG...LOOPING LOW-LEVEL
HODOGRAPH...TORNADOES -- SOME POSSIBLY SIGNIFICANT -- MAY ACCOMPANY
THIS ACTIVITY. LARGE HAIL AND DAMAGING WINDS WILL ALSO BE POSSIBLE.

/2/ WATER VAPOR LOOPS IMPLY AN ARCING BAND OF ENHANCED MID-LEVEL
ASCENT/MOISTURE OVERTAKING A STALLED BOUNDARY OVER SERN
OK...SUPPORTING THE INITIATION OF CONVECTION. THIS ACTIVITY WILL
LIKELY EXHIBIT QUASI-LINEAR MODES AS IT DEVELOPS ALONG THE FRONT AND
WILL POSE THE RISK FOR DMGG WINDS AND LARGE HAIL. SRX VWP DATA
INDICATE AROUND 25-30 KT OF 0-1-KM BULK SHEAR SUGGESTING SOME
TORNADO THREAT WILL EXIST AS WELL...AS THIS ACTIVITY SPREADS EWD
ACROSS SERN/E-CNTRL OK AND EVENTUALLY INTO PARTS OF WRN AR.

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