166
WWUS20 KWNS 102353
SEL1
SPC WW 102353
AZZ000-110700-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 561
NWS STORM PREDICTION CENTER NORMAN OK
450 PM MST MON AUG 10 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHERN ARIZONA
* EFFECTIVE THIS MONDAY AFTERNOON FROM 450 PM UNTIL MIDNIGHT MST.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE
SUMMARY...THUNDERSTORMS ARE ONGOING ACROSS THE HIGHER TERRAIN OF
CENTRAL AND EAST-CENTRAL ARIZONA, AS WELL AS ACROSS FAR
SOUTH-CENTRAL AND SOUTHEAST ARIZONA. MUCH OF THIS ACTIVITY IS
FORECAST TO PROGRESS WESTWARD, WHERE A VERY WARM AND DEEPLY MIXED
AIRMASS IS IN PLACE. HIGH-BASED STORMS MOVING INTO THIS AIRMASS
COULD PRODUCE STRONG DOWNBURSTS CAPABLE OF DAMAGING GUSTS. SOME COLD
POOL AMALGAMATION IS POSSIBLE, WHICH WOULD RESULT IN MORE WIDESPREAD
DAMAGING GUSTS. ISOLATED INSTANCES OF HAIL ARE POSSIBLE AS WELL,
PRIMARILY WITHIN THE AREAS OF GREATER BUOYANCY OVER FAR SOUTHEASTERN
ARIZONA.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES WEST OF GILA
BEND AZ TO 75 MILES NORTHEAST OF TUCSON AZ. FOR A COMPLETE DEPICTION
OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS
WOU1).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES.
OTHER WATCH INFORMATION...CONTINUE...WW 555...WW 556...WW
558...WW 559...WW 560...
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO
1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW
CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR
09020.
...MOSIER
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