

454 

WWUS20 KWNS 302017

SEL8

SPC WW 302017

IAZ000-WIZ000-010200-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 468

NWS Storm Prediction Center Norman OK

320 PM CDT Sun Jun 30 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northeast Iowa

  Far southwest Wisconsin



* Effective this Sunday afternoon and evening from 320 PM until

  900 PM CDT.



* Primary threats include...

  Scattered damaging winds and isolated significant gusts to 75

    mph possible

  Isolated large hail events to 1.5 inches in diameter possible



SUMMARY...Cluster of strong to severe thunderstorms have quickly

erupted across southeast Minnesota and should spread southeast

across mainly northeast Iowa into early evening. Damaging winds are

the primary hazard.



The severe thunderstorm watch area is approximately along and 50

statute miles north and south of a line from 20 miles southwest of

Mason City IA to 15 miles east northeast of Dubuque IA. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU8).



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 466...WW 467...



AVIATION...A few severe thunderstorms with hail surface and aloft to

1.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A

few cumulonimbi with maximum tops to 550. Mean storm motion vector

31030.



...Grams

