WW 71 SEVERE TSTM IA NE 292230Z – 300400Z
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 71 NWS Storm Prediction Center Norman OK 530 PM CDT Tue Mar 29 2022 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Western Iowa East and Northeast Nebraska * Effective this Tuesday afternoon and evening from 530 PM until 1100 PM CDT. * Primary threats include... Scattered damaging wind gusts to 70 mph possible Isolated large hail events to 1.5 inches in diameter possible A tornado or two possible SUMMARY...Initial storm development, which includes the potential for a few supercells, is underway across central Nebraska, with additional development expected across east-central/southeast Nebraska through early evening. The potential will exist for severe hail and damaging winds as storms move generally northeastward. A brief tornado could also occur near the surface low across central Nebraska and/or elsewhere later this evening as the low-level jet increases. The severe thunderstorm watch area is approximately along and 70 statute miles north and south of a line from 60 miles south southwest of Oneill NE to 55 miles east northeast of Shenandoah IA. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU1). 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 70... AVIATION...A few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean storm motion vector 23030. ...Guyer
