WW 164 SEVERE TSTM AR OK TX 272355Z - 280700Z URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 164 NWS Storm Prediction Center Norman OK 655 PM CDT Mon Apr 27 2026 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Far Northwest and Far Southwest Arkansas Southeast/East-Central Oklahoma North and Northeast Texas * Effective this Monday night and Tuesday morning from 655 PM until 200 AM CDT. * Primary threats include... Scattered large hail and isolated very large hail events to 2.5 inches in diameter possible Scattered damaging wind gusts to 70 mph possible A tornado or two possible SUMMARY...Scattered severe thunderstorms are expected across the region this evening and tonight. Environmental conditions favor strong to severe thunderstorms, with a primary risk for very large hail. Some strong downdrafts are possible as well. The tornado risk is low, given the modest low-level flow, but the expected supercell mode suggests a low-probability risk still exists. The severe thunderstorm watch area is approximately along and 50 statute miles east and west of a line from 45 miles west southwest of Tyler TX to 65 miles north of De Queen AR. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU4). 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 160...WW 161...WW 162...WW 163... AVIATION...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 550. Mean storm motion vector 24035. ...Mosier Read more

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