New Severe Tstorm Watch for N IL, NW IN and extreme E IA.
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 82
NWS Storm Prediction Center Norman OK
525 PM CDT Tue Apr 7 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Far east-central Iowa
Northern Illinois
Far northwest Indiana
Lake Michigan
* Effective this Tuesday afternoon and evening from 525 PM until
1100 PM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2.5
inches in diameter possible
Isolated damaging wind gusts to 65 mph possible
A tornado or two possible
SUMMARY...A couple supercells may evolve into an east-southeast
progressing cluster along a cold front from far eastern Iowa through
northern Illinois this evening. Large hail should be the primary
hazard.
The severe thunderstorm watch area is approximately along and 35
statute miles north and south of a line from 75 miles west of
Rockford IL to 15 miles north of Valparaiso IN. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU2).
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 81...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 55 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
28035.
...Grams