Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for Watch Status Reports.
SEL6 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 576 NWS Storm Prediction Center Norman OK 1155 PM CDT Tue Jul 30 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Central and Western Iowa Eastern Nebraska * Effective this Tuesday night and Wednesday morning from 1155 PM until 700 AM CDT. * Primary threats include... Scattered large hail and isolated very large hail events to 2 inches in diameter likely Scattered damaging wind gusts to 70 mph likely A tornado or two possible SUMMARY...Thunderstorms are expected to form during the overnight hours across eastern Nebraska and western Iowa, tracking across the watch area. Very unstable conditions will promote a risk of a few severe storms capable of large hail and damaging winds. The severe thunderstorm watch area is approximately along and 60 statute miles north and south of a line from 50 miles west of Tekamah NE to 25 miles north of Ottumwa IA. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU6). 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 575... AVIATION...A few severe thunderstorms with hail surface and aloft to 2 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 28030. ...Hart