WWUS20 KWNS 180406
SEL9  
SPC WW 180406
IAZ000-MNZ000-WIZ000-180900-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 219
NWS Storm Prediction Center Norman OK
1110 PM CDT Sun May 17 2026

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Eastern Iowa
  Far Southeastern Minnesota
  Southwest Wisconsin

* Effective this Sunday night and Monday morning from 1110 PM
  until 400 AM CDT.

* Primary threats include...
  Scattered damaging wind gusts to 65 mph possible
  A tornado or two possible

SUMMARY...A squall line will move into the Watch area from the west
tonight.  Damaging gusts will be the primary severe hazard with the
stronger surges of thunderstorm outflow but a brief tornado is also
possible.

The severe thunderstorm watch area is approximately along and 40
statute miles east and west of a line from 30 miles east of La
Crosse WI to 40 miles south southeast of Ottumwa IA. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU9).

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 216...WW 218...

AVIATION...A few severe thunderstorms with hail surface and aloft to
 inches. Extreme turbulence and surface wind gusts to 55 knots. A
few cumulonimbi with maximum tops to 400. Mean storm motion vector
25040.

...Smith