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The expiration time in the watch graphic is amended if the watch is
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SEL5
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 155
NWS Storm Prediction Center Norman OK
640 PM CDT Sat May 8 2021
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southwest Iowa
Northeast Kansas
Northwest Missouri
Southeast Nebraska
* Effective this Saturday night and Sunday morning from 640 PM
until 100 AM CDT.
* Primary threats include...
Scattered large hail likely with 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 will increase in coverage and intensity this
evening north of a warm front and across the watch area. Large hail
and gusty/damaging winds are the main threats.
The severe thunderstorm watch area is approximately along and 45
statute miles north and south of a line from 35 miles west northwest
of Beatrice NE to 30 miles north northeast of Saint Joseph MO. 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 153...WW 154...
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
27035.
...Hart
