• SPC PDS Severe Thunderstorm Watch 525
    on July 19, 2019 at 10:54 pm

    WW 525 SEVERE TSTM WI LM 192250Z - 200600Z URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 525 NWS Storm Prediction Center Norman OK 550 PM CDT Fri Jul 19 2019 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Much of north central and northeastern Wisconsin Lake Michigan * Effective this Friday afternoon and Saturday morning from 550 PM until 100 AM CDT. ...THIS IS A PARTICULARLY DANGEROUS SITUATION... * Primary threats include... Widespread damaging winds and scattered significant gusts to 105 mph expected Scattered large hail and isolated very large hail events to 2.5 inches in diameter possible A few tornadoes likely SUMMARY...An intense supercell cluster in northwestern Wisconsin is expected to evolve into a damaging bow echo that will accelerate east-southeastward across northern/northeastern Wisconsin this evening. The storm environment will favor swaths of high-end, destructive outflow winds potentially exceeding 100 mph. Tornadoes will also be possible with embedded circulations, as well as large hail in the next few hours with lingering supercell structures. The severe thunderstorm watch area is approximately along and 55 statute miles north and south of a line from 70 miles west northwest of Wausau WI to 30 miles northeast of Manitowoc WI. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU5). 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 523...WW 524... AVIATION...A few severe thunderstorms with hail surface and aloft to 2.5 inches. Extreme turbulence and surface wind gusts to 90 knots. A few cumulonimbi with maximum tops to 650. Mean storm motion vector 29050. ...Thompson Read mor […]