WW 277 TORNADO IA IL MN WI 211810Z – 220200Z
URGENT – IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 277
NWS Storm Prediction Center Norman OK
110 PM CDT Tue May 21 2024
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Iowa
Northwest Illinois
Southeast Minnesota
Western Wisconsin
* Effective this Tuesday afternoon and evening from 110 PM until
900 PM CDT.
…THIS IS A PARTICULARLY DANGEROUS SITUATION…
* Primary threats include…
Several tornadoes and a few intense tornadoes likely
Widespread damaging winds and isolated significant gusts to 90
mph likely
Scattered large hail likely with isolated very large hail events
to 4 inches in diameter possible
SUMMARY…An increasingly volatile environment and very strong
atmospheric winds are expected to yield an outbreak of severe storms
including tornadoes and widespread damaging winds across the region
through the afternoon and early evening.
The tornado watch area is approximately along and 110 statute miles
east and west of a line from 30 miles south southwest of Ottumwa IA
to 50 miles northeast of Mankato MN. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU7).
PRECAUTIONARY/PREPAREDNESS ACTIONS…
REMEMBER…A Tornado Watch means conditions are favorable for
tornadoes and 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.
&&
OTHER WATCH INFORMATION…CONTINUE…WW 276…
AVIATION…Tornadoes and a few severe thunderstorms with hail
surface and aloft to 4 inches. Extreme turbulence and surface wind
gusts to 80 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 22045.
…Guyer
