671
ACUS11 KWNS 280346
SWOMCD
SPC MCD 280346
ARZ000-280445-
MESOSCALE DISCUSSION 0588
NWS STORM PREDICTION CENTER NORMAN OK
1046 PM CDT MON APR 27 2026
AREAS AFFECTED...PARTS OF NORTHEAST/NORTH-CENTRAL AR
CONCERNING...TORNADO WATCH 166...
VALID 280346Z - 280445Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 166 CONTINUES.
SUMMARY...AN INTENSE SUPERCELL ACROSS NORTH-CENTRAL ARKANSAS WILL
SHIFT EAST INTO NORTHEASTERN PORTIONS OF THE STATE OVER THE NEXT 1-2
HOURS. A STRONG (EF-2+) TORNADO WILL BE POSSIBLE WITH THIS STORM.
DISCUSSION...A SUPERCELL IS ONGOING ACROSS STONE COUNTY ARKANSAS
LATE THIS EVENING. THIS CELL HAS EXHIBITED STRONG ROTATION AND A TDS
RECENTLY. THE DOWNSTREAM ENVIRONMENT IS STRONGLY UNSTABLE, WITH
MLCAPE NEAR 3000-3500 J/KG AND 0-1 SRH GREATER THAN 300 M2/S2.
FURTHERMORE, THIS STORM IS MOVING INTO AN AREA OF EFFECTIVE STP
BETWEEN 8 AND 10. MEANWHILE, THE VWP FROM LZK INDICATES A FAVORABLE
WIND PROFILE FOR CONTINUES STORM ORGANIZATION WITHIN THIS STRONGLY
UNSTABLE AND STRONGLY SHEARED ENVIRONMENT. THIS CELL MAY CONTINUE TO
POSE A RISK FOR STRONG TORNADOES AS IT DEVELOPS EAST OVER THE NEXT
1-2 HOURS.
..LEITMAN.. 04/28/2026
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
ATTN...WFO...MEG...LZK...
LAT...LON 36049200 35999118 35809088 35449090 35409127 35529193
35789233 36019226 36049200
MOST PROBABLE PEAK TORNADO INTENSITY...140-170 MPH
MOST PROBABLE PEAK WIND GUST...55-70 MPH
MOST PROBABLE PEAK HAIL SIZE...2.00-3.50 IN
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