WW 445 SEVERE TSTM IA MN NE SD 212030Z – 220400Z
URGENT – IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 445
NWS Storm Prediction Center Norman OK
330 PM CDT Fri Jun 21 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northwest Iowa
Southwest Minnesota
Central and Eastern Nebraska
Southeast South Dakota
* Effective this Friday afternoon and evening from 330 PM until
1100 PM CDT.
* Primary threats include…
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY…Thunderstorms are expected to develop this afternoon along
a boundary extending from southwest to northeast Nebraska and into
northwest Iowa. A few supercells are possible, capable of large
hail and damaging wind gusts. A tornado or two could also occur.
The severe thunderstorm watch area is approximately along and 50
statute miles north and south of a line from 40 miles southwest of
North Platte NE to 25 miles north northeast of Spencer IA. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU5).
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 441…WW 442…WW
443…WW 444…
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
25025.
…Hart
