URGENT – IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 644
NWS Storm Prediction Center Norman OK
740 PM CDT Sun Aug 13 2023
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Central and southern Missouri
* Effective this Sunday night and Monday morning from 740 PM
until 200 AM CDT.
* Primary threats include…
Scattered damaging wind gusts to 70 mph likely
Scattered large hail events to 1.5 inches in diameter likely
A tornado or two possible
SUMMARY…Clusters of supercells will spread east-southeastward from
eastern Kansas into western and southern Missouri through the early
overnight hours. The primary severe threats will be large hail
(near 1.5 inches in diameter) with the more discrete storms
initially, and damaging winds (60-70 mph) with any upscale growth.
A tornado or two will also be possible with the discrete storms and
circulations embedded in the clusters/line segments later tonight.
The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 65 miles northwest of
Joplin MO to 45 miles northeast of West Plains MO. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU4).
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
OTHER WATCH INFORMATION…CONTINUE…WW 642…WW 643…
AVIATION…A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector