450
WWUS20 KWNS 211700
SEL8
SPC WW 211700
AZZ000-220100-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 688
NWS STORM PREDICTION CENTER NORMAN OK
1000 AM MST WED OCT 21 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* TORNADO WATCH FOR PORTIONS OF
NORTHERN AND CENTRAL ARIZONA
* EFFECTIVE THIS WEDNESDAY MORNING AND EVENING FROM 1000 AM UNTIL
600 PM MST.
* PRIMARY THREATS INCLUDE...
A FEW TORNADOES POSSIBLE
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5
INCHES IN DIAMETER LIKELY
SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
SUMMARY...THUNDERSTORM COVERAGE IS EXPECTED TO INCREASE ACROSS
NORTHERN AND CENTRAL ARIZONA THIS AFTERNOON. STRONG VERTICAL SHEAR
WILL SUPPORT SUPERCELLS THUNDERSTORMS CAPABLE OF ALL SEVERE HAZARDS,
INCLUDING 2"+ DIAMETER HAIL AND TORNADOES. THE THREAT FOR SEVERE
WEATHER WILL PERSIST THROUGHOUT THE AFTERNOON AND INTO THE EVENING.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 95 MILES WEST OF GRAND CANYON AZ TO
45 MILES EAST OF WINSLOW AZ. FOR A COMPLETE DEPICTION OF THE WATCH
SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN
STORM MOTION VECTOR 22035.
...MOSIER
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