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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 421
NWS Storm Prediction Center Norman OK
655 PM CDT Fri Jun 21 2019
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
* Effective this Friday night and Saturday morning from 655 PM
until 200 AM 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...Strong to severe thunderstorm development is underway
across parts of northeast Kansas, with additional storms likely to
develop east-northeastward along a frontal zone into north central
Missouri through mid to late evening. Gradually, activity may
consolidate and evolve into an organizing storm cluster which may
pose increasing risk for potentially damaging wind gusts, while
developing eastward and south-southeastward.
The severe thunderstorm watch area is approximately along and 50
statute miles north and south of a line from 15 miles north
northwest of Manhattan KS to 20 miles south of Kirksville MO. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU1).
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 417...WW 418...WW
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 550. Mean storm motion vector