WW 642 TORNADO AL MS 182305Z – 190300Z
URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 642 NWS Storm Prediction Center Norman OK 505 PM CST Thu Dec 18 2025 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of Western and Northern Alabama Eastern Mississippi * Effective this Thursday afternoon and evening from 505 PM until 900 PM CST. * Primary threats include... A couple tornadoes possible Scattered damaging wind gusts to 65 mph possible SUMMARY...A few supercells are forecast to continue to mature and move east-northeast within a moist and strongly sheared environment across the Watch area. Gradual destabilization will occur immediately ahead of the storm activity this evening. The primary threats accompanying the stronger storms will be damaging gusts and the possibility for a couple of tornadoes. The tornado watch area is approximately along and 60 statute miles east and west of a line from 25 miles north northwest of Huntsville AL to 70 miles south southwest of Columbus MS. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU2). 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 1 inch. Extreme turbulence and surface wind gusts to 55 knots. A few cumulonimbi with maximum tops to 350. Mean storm motion vector 25035. ...Smith
