ZCZC SPCSWOMCD ALL
ACUS11 KWNS 262213 
SPC MCD 262213 
OKZ000-TXZ000-262315-

MESOSCALE DISCUSSION 0461
NWS STORM PREDICTION CENTER NORMAN OK
0513 PM CDT TUE APR 26 2016

AREAS AFFECTED...SWRN OK NWD INTO NWRN OK

CONCERNING...TORNADO WATCH 109...

VALID 262213Z - 262315Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 109 CONTINUES.

SUMMARY...LOW-LEVEL SHEAR HAS INCREASED SLIGHTLY OVER SWRN OK AND
THE TORNADO RISK MAY INCREASE SOME OVER THE NEXT 1-2 HOURS.

DISCUSSION...RADAR MOSAICS SHOWS WIDELY SCTD STRONG TO SEVERE STORMS
ON THE WRN EDGE OF THE MOIST PLUME LOCATED FROM SWRN OK NNEWD INTO
NWRN OK.  SURFACE DEWPOINTS ON THE INFLOW SIDE OF THE STORMS RANGES
FROM 66-68 DEG F WITH TEMPS IN THE MID-UPPER 70S.  THE UPPER-LEVEL
FORCED BAND OF ASCENT IS RAPIDLY APPROACHING WRN OK FROM W TX AND
WILL LIKELY LEAD TO ADDITIONAL TSTM DEVELOPMENT OVER THE NEXT
SEVERAL HOURS.  IN THE SHORT-TERM...KFDR VAD DATA HAS SHOWN SOME
TEMPERED ENLARGEMENT IN THE LOW-LEVEL HODOGRAPH DESPITE THE
CONTINUATION OF THE VEER-BACK-VEER CHARACTERISTIC IN THE WIND
PROFILE.  LARGE HAIL AND ISOLD DMGG WIND AND A FEW TORNADOES WILL BE
POSSIBLE OVER THE NEXT SEVERAL HOURS WITH THE STRONGER STORMS.

..SMITH.. 04/26/2016

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...OUN...

LAT...LON   34559936 36199863 36919778 36539733 34369830 34199868
            34249915 34559936 

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