WW 369 SEVERE TSTM IA NE SD 240810Z – 241500Z
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 369
NWS Storm Prediction Center Norman OK
310 AM CDT Sat Jun 24 2023
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Western Iowa
Eastern Nebraska
Extreme southeastern South Dakota
* Effective this Saturday morning from 310 AM until 1000 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
SUMMARY...Quasi-linear MCS with a history of severe gusts will
persist east of existing Severe Thunderstorm Watches 366 and 368 and
across the Missouri Valley toward western Iowa, where the low-level
air mass then gets more stable with eastward extent through a
warm-frontal zone. Severe wind will continue to be the main threat,
with isolated large hail still possible.
The severe thunderstorm watch area is approximately along and 40
statute miles east and west of a line from 65 miles north of Sioux
City IA to 20 miles south of Omaha NE. 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 366...WW 368...
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
26035.
...Edwards
