253
WWUS20 KWNS 181845
SEL4
SPC WW 181845
IAZ000-KSZ000-NEZ000-SDZ000-190100-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 434
NWS Storm Prediction Center Norman OK
145 PM CDT Tue Jun 18 2024

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
  Western and Northern Iowa
  Northern Kansas
  Southern and Eastern Nebraska
  Far Southeast South Dakota

* Effective this Tuesday afternoon and evening from 145 PM until
  800 PM CDT.

* Primary threats include...
  Scattered damaging wind gusts to 70 mph likely
  Scattered large hail and isolated very large hail events to 2
    inches in diameter possible
  A tornado or two possible

SUMMARY...Thunderstorms will continue to intensify along and east of
a cold front this afternoon, while posing a threat for mainly
severe/damaging winds around 60-70 mph along with 1-2 inch diameter
hail.

The severe thunderstorm watch area is approximately along and 75
statute miles east and west of a line from 20 miles north northeast
of Spencer IA to 30 miles southwest of Concordia KS. 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 433...

AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
26030.

...Gleason