WWUS20 KWNS 042126 SEL8 SPC WW 042126 AZZ000-050500- URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 538 NWS Storm Prediction Center Norman OK 230 PM MST Tue Aug 4 2026 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southeast Arizona * Effective this Tuesday afternoon and evening from 230 PM until 1000 PM MST. * Primary threats include... Scattered damaging wind gusts to 70 mph likely Isolated large hail events to 1 inch in diameter possible SUMMARY...Thunderstorms are developing over the higher terrain of east-central Arizona. Somewhat similar to yesterday, these storms will track southwestward through the evening, posing a risk of damaging wind gusts. The severe thunderstorm watch area is approximately along and 60 statute miles east and west of a line from 30 miles north of Safford AZ to 40 miles west southwest of Sierra Vista AZ. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU8). 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. && 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 07025. ...Hart