WW 178 TORNADO CO NE SD 272155Z – 280500Z
URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 178 NWS Storm Prediction Center Norman OK 355 PM MDT Sun Apr 27 2025 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of Far Northeast Colorado Western Nebraska Southwest South Dakota * Effective this Sunday afternoon and evening from 355 PM until 1100 PM MDT. * Primary threats include... A couple tornadoes possible Scattered large hail and isolated very large hail events to 3 inches in diameter possible Isolated damaging wind gusts to 70 mph possible SUMMARY...Severe storms including supercells are expected this evening, with very large hail possible as the main and initial hazard. Tornado potential is expected to increase toward/after sunset as additional low-level moistening occurs. Damaging winds are also possible. The tornado watch area is approximately along and 70 statute miles east and west of a line from 85 miles northeast of Chadron NE to 60 miles west southwest of North Platte NE. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU8). 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 3 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 23030. ...Guyer