SPC Severe Thunderstorm Watch 209

WW 209 SEVERE TSTM CO KS NE 162105Z - 170400Z URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 209 NWS Storm Prediction Center Norman OK 305 PM MDT Sat May 16 2026 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northeast Colorado Northwest Kansas Southwest Nebraska * Effective this Saturday afternoon and evening from 305 PM until 1000 PM MDT. * Primary threats include... Scattered damaging winds and isolated significant gusts to 80 mph likely Scattered large hail and isolated very large hail events to 2 inches in diameter likely A tornado or two possible SUMMARY...Thunderstorm coverage is expected to increase across northeast Colorado this afternoon, with additional isolated storms farther east into southwest Nebraska. The Colorado storms will likely develop into a well-organized convective line by this evening, tracking east-northeastward during the evening and overnight. Large to very large hail is possible initially, with a transition to damaging gusts once the convective line develops. Significant severe gusts over 75 mph are possible. There is also a low-probability tornado risk with any more discrete storms along the southern periphery of any convective line. The severe thunderstorm watch area is approximately along and 90 statute miles east and west of a line from 75 miles northeast of Sidney NE to 35 miles south of Burlington CO. 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 208... AVIATION...A few severe thunderstorms with hail surface and aloft to 2 inches. Extreme turbulence and surface wind gusts to 70 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 24035. ...Mosier Read more