050
WWUS20 KWNS 160027
SEL1
SPC WW 160027
IAZ000-KSZ000-MOZ000-160700-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 421
NWS Storm Prediction Center Norman OK
725 PM CDT Sat Jun 15 2024

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
  Western and Central Iowa
  Far Northeastern Kansas
  Northwest Missouri

* Effective this Saturday night and Sunday morning from 725 PM
  until 200 AM 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
  A tornado or two possible

SUMMARY...A squall line will move northeastward into the Watch area
this evening.  Severe gusts (60-75 mph) are possible with the more
intense portions of the squall line as it likely progresses west to
east across much of the Watch area.  A tornado is possible,
especially with any longer-lived mesovortex circulation embedded
within the line.  A large hail risk may accompany more cellular
storms later this evening into the early overnight.

The severe thunderstorm watch area is approximately along and 55
statute miles east and west of a line from 15 miles north northeast
of Fort Dodge IA to 40 miles west of Chillicothe MO. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU1).

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 417...WW 418...WW
419...WW 420...

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 500. Mean storm motion vector
23035.

...Smith