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SEL9 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 19 NWS Storm Prediction Center Norman OK 645 AM CST Tue Mar 4 2025 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northwest Arkansas Southwest Missouri Far Northeast Oklahoma * Effective this Tuesday morning from 645 AM until 1100 AM CST. * Primary threats include... Scattered damaging wind gusts to 70 mph possible Isolated large hail events to 1 inch in diameter possible A tornado or two possible SUMMARY...A severe squall line will continue northeast into the Watch area, and likely pose a risk for severe gusts (60-70 mph) and perhaps a threat for a brief tornado, with the more intense portions of the line. The severe thunderstorm watch area is approximately along and 55 statute miles north and south of a line from 40 miles north northwest of Muskogee OK to 20 miles northeast of Harrison AR. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU9). 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 18... 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 350. Mean storm motion vector 23040. ...Smith