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JUN 21, 2020 | Heavy Rain Overnight SW Wisconsin

LAST UPDATE : JUN 21, 2020

SUN 930PM - added heavy rainfall forecast to southwest WI tonight. 2-3" of heavy rain possible by 7am MON for locations such as Praire du Chien.

SUN 12:57PM - a strong tstorm possible this afternoon and evening.

FRI 1:00PM - Isolated t-storms may develop across southern WI/Iowa based on models today. I stress ISOLATED. We'll see how the situation evolves over the coming days. Concern is low.

Forecast Maps

Thunderstorm Outlooks

Thunderstorms
General
Strong
Severe
Significant

Heavy Rain

Heavy Rain
0.5-1.0"
1-2"
2-3"
3-6"
6-10"
10"+

Verification


Storm Details

Hazards
Strong T-Storms, Heavy Rain
Start
SUN 12:00 PM - Jun 21, 2020
End
MON 6:00 AM - Jun 22, 2020
Confidence Level
Storm Class

Posts

Soaking rain atm from WI Dells to Shawano. Rain is stationary within the red dashed zone and will continue into early TUES AM. Rain totals around 1-2" in marked zone. No severe weather.
  1
radar estimated rainfall showing the heavy rains just southwest of the targeted area last night...in the vicinity of Waterloo, IA. One report of 6.0"!
12z NAM instability field for this afternoon could yield a severe storm in northern IL. It's possible this storm activity brushes the WI/IL border? I'm a bit skeptical of the situation however watching closely and will let you know if things change.
Nothing happening right now. Models handling the situation POORLY. Still expecting periods of rain and storms this aft/evening across S & E WI.
Heavy rain with storm total rainfall into the 2-3" range near the WI/MN/IA intersection point and region immediately south before 7am MON. 1-2" in adjacent areas, perhaps east towards Madison.
pretty cloudy this AM will keep instability down. Pocket of weak of sbcape developing in SE WI which could support one or two briefly strong cells today
Weak rotation otherwise non severe cells moving northeast thru the Steven's Point region.
  1
Isolated tstorms this morning, Steven's Point with the most action atm. Not much lightning. Weak rotation within that cell cluster. Isolated showers for the rest of S WI could grow into tstorms today as they move NE.

Archives

June 21, 2020

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June 22, 2020

24HR Radar Loop
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Storm Reports

WIND GUSTS (6)
TSTM WND GST
TSTM WND GST
1 SSE LA POINTE, WI
47 MPH
TSTM WND GST
TSTM WND GST
2 SW STETSONVILLE, WI
42 MPH
TSTM WND DMG
TSTM WND DMG
3 SSE GLIDDEN, WI
-
TSTM WND DMG
TSTM WND DMG
4 NNW BUTTERNUT, WI
-
TSTM WND DMG
TSTM WND DMG
6 SW AUGUSTA, WI
-
TSTM WND DMG
TSTM WND DMG
5 SSW GLIDDEN, WI
-
LARGE HAIL (9)
HAIL
HAIL
3 SW BAYFIELD, WI
1.75"
HAIL
HAIL
6 E SEELEY, WI
1.0"
HAIL
HAIL
2 NNE CABLE, WI
1.0"
HAIL
HAIL
1 SE LA POINTE, WI
1.0"
HAIL
HAIL
5 E NEW RICHMOND, WI
0.88"
HAIL
HAIL
6 SW AUGUSTA, WI
0.75"
HAIL
HAIL
OSSEO, WI
0.7"
HAIL
HAIL
3 NNW CHETEK, WI
0.5"
HAIL
HAIL
12 W DRUMMOND, WI
0.25"
HEAVY RAIN (11)
HEAVY RAIN
HEAVY RAIN
2 S ARCADIA, WI
1.25"
HEAVY RAIN
HEAVY RAIN
1 N PRAIRIE DU CHIEN, WI
1.2"
HEAVY RAIN
HEAVY RAIN
INDEPENDENCE 3NE, WI
1.2"
HEAVY RAIN
HEAVY RAIN
CATARACT, WI
1.15"
HEAVY RAIN
HEAVY RAIN
1 NNW ONALASKA, WI
1.14"
HEAVY RAIN
HEAVY RAIN
1 SE PRAIRIE DU CHIEN, WI
1.05"
HEAVY RAIN
HEAVY RAIN
EASTMAN, WI
0.95"
HEAVY RAIN
HEAVY RAIN
SINSINAWA, WI
0.9"
HEAVY RAIN
HEAVY RAIN
5 W GOODRICH, WI
0.85"
HEAVY RAIN
HEAVY RAIN
PLATTEVILLE, WI
0.77"
HEAVY RAIN
HEAVY RAIN
1 S DE SOTO, WI
0.44"
OTHER (1)
FLOOD
FLOOD
CUBA CITY, WI
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