• SPC PDS Severe Thunderstorm Watch 574
    on August 12, 2019 at 2:40 am

    WW 574 SEVERE TSTM KS NE 120240Z - 121000Z URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 574 NWS Storm Prediction Center Norman OK 940 PM CDT Sun Aug 11 2019 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of North Central Kansas South-Central Nebraska * Effective this Sunday night and Monday morning from 940 PM until 500 AM CDT. ...THIS IS A PARTICULARLY DANGEROUS SITUATION... * Primary threats include... Widespread damaging winds expected with scattered significant gusts to 85 mph likely Scattered large hail and isolated very large hail events to 2 inches in diameter possible A couple tornadoes possible SUMMARY...A developing bow echo over northwest Kansas will move rapidly eastward overnight, posing a risk of widespread damaging wind gusts across the watch area. Large hail and a tornado or two are also possible. The severe thunderstorm watch area is approximately along and 60 statute miles north and south of a line from 40 miles northwest of Hill City KS to 15 miles south southeast of Beatrice 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 571...WW 572...WW 573... AVIATION...A few severe thunderstorms with hail surface and aloft to 2 inches. Extreme turbulence and surface wind gusts to 75 knots. A few cumulonimbi with maximum tops to 600. Mean storm motion vector 26040. ...Hart Read more