• Welcome to TalkWeather!
    We see you lurking around TalkWeather! Take the extra step and join us today to view attachments, see less ads and maybe even join the discussion.
    CLICK TO JOIN TALKWEATHER

Severe Weather 4/17/26

St. Donatus cell is starting to tighten up; I would watch it very, very closely. Could be a big one.
 


THE SEVERE WEATHER THREAT FOR TORNADO WATCH 129 CONTINUES.

SUMMARY...TORNADO THREAT IS INCREASING, WITH POTENTIAL FOR A STRONG
TORNADO.

DISCUSSION...A PAIR OF SUPERCELLS HAVE BECOME MORE WELL DEFINED WITH
THE CONFLUENCE ZONE ACROSS EASTERN IOWA. THE ENVIRONMENT NEAR THESE
CELLS IS WITHIN A ZONE OF FAVORABLE LOW-LEVEL SHEAR, WITH EASTERLY
BACK SURFACE FLOW AND 100-200 M2/S2 0-1 KM SRH. GIVEN THE EQUALLY
FAVORABLE THERMODYNAMIC ENVIRONMENT, POTENTIAL FOR TORNADOES,
PERHAPS A STRONG TORNADO, IS INCREASING.

..THORNTON.. 04/17/2026
 


THE SEVERE WEATHER THREAT FOR TORNADO WATCH 129 CONTINUES.

SUMMARY...TORNADO THREAT IS INCREASING, WITH POTENTIAL FOR A STRONG
TORNADO.

DISCUSSION...A PAIR OF SUPERCELLS HAVE BECOME MORE WELL DEFINED WITH
THE CONFLUENCE ZONE ACROSS EASTERN IOWA. THE ENVIRONMENT NEAR THESE
CELLS IS WITHIN A ZONE OF FAVORABLE LOW-LEVEL SHEAR, WITH EASTERLY
BACK SURFACE FLOW AND 100-200 M2/S2 0-1 KM SRH. GIVEN THE EQUALLY
FAVORABLE THERMODYNAMIC ENVIRONMENT, POTENTIAL FOR TORNADOES,
PERHAPS A STRONG TORNADO, IS INCREASING.

..THORNTON.. 04/17/2026
 
Too bad it's tracking right into the Mississippi River valley. Next it's heading into Jo Daviess County, IL (northwesternmost corner of the state) which I've heard is pretty rough chase terrain, too. With some right-turning, looks like it might not track into Wisconsin until it's about at Madison's longitude.
 
You must log in or register to reply here.
Back
Top