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SEL4
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 454
NWS Storm Prediction Center Norman OK
740 PM CDT Fri Aug 20 2021
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northeast Kansas
Northwest Missouri
* Effective this Friday night and Saturday morning from 740 PM
until 200 AM CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
SUMMARY...Storms have congealed into a linear structure across
northeast Kansas, and these storms are expected to persist while
spreading into northwest Missouri through the early overnight hours.
The strongest embedded storms/bowing segments will be capable of
producing damaging outflow gusts of 60-70 mph.
The severe thunderstorm watch area is approximately along and 50
statute miles east and west of a line from 60 miles north northeast
of Saint Joseph MO to 35 miles southwest of Olathe 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 451...WW 452...WW 453...
AVIATION...A few severe thunderstorms with hail surface and aloft to
0.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 600. Mean storm motion vector
28025.
...Thompson






