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SEL4 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 674 NWS Storm Prediction Center Norman OK 1245 PM MDT Tue Sep 17 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of South-Central and Southeast Colorado Eastern New Mexico * Effective this Tuesday afternoon and evening from 1245 PM until 700 PM MDT. * Primary threats include... Scattered damaging winds likely with isolated significant gusts to 75 mph possible Isolated large hail events to 1.5 inches in diameter possible SUMMARY...Thunderstorms that have developed over the higher terrain of the southern/central Rockies will continue to move quickly east-northeastward this afternoon and early evening. They should also intensify over the next several hours while posing a threat for mainly severe damaging winds up to 65-75 mph. Isolated large hail around 1-1.5 inches in diameter may also occur. The severe thunderstorm watch area is approximately along and 60 statute miles east and west of a line from 35 miles east northeast of Pueblo CO to 5 miles southwest of Roswell NM. 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. && AVIATION...A few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 24040. ...Gleason