WW 594 SEVERE TSTM NE 180130Z - 180700Z URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 594 NWS Storm Prediction Center Norman OK 830 PM CDT Mon Aug 17 2026 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Central and Northeast Nebraska * Effective this Monday night and Tuesday morning from 830 PM until 200 AM CDT. * Primary threats include... Scattered damaging winds and isolated significant gusts to 75 mph possible Scattered large hail and isolated very large hail events to 2.5 inches in diameter possible A tornado or two possible SUMMARY...Splitting supercells should continue to pose a threat for large to very large hail this evening as they track generally east-southeastward. The largest hailstones may reach up to 2-2.5 inches in diameter. Otherwise, a tornado appears possible in the short term with any persistent right-moving supercell. A greater potential for severe/damaging winds may eventually increase if a cluster can develop upstream across northern Nebraska. The severe thunderstorm watch area is approximately along and 40 statute miles east and west of a line from 55 miles north northwest of Norfolk NE to 75 miles southwest of Norfolk NE. 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. && OTHER WATCH INFORMATION...CONTINUE...WW 590...WW 591...WW 592...WW 593... AVIATION...A few severe thunderstorms with hail surface and aloft to 2.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 30030. ...Gleason Read more

Full outlook from NOAA / Storm Prediction Center.

Source: NOAA / Storm Prediction Center. Factual summary of a public release; not financial advice.

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