Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >
Overview - This information is still being updated
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Thunderstorms moved northward from Iowa into southern Minnesota in the mid- afternoon on May 21st. One tornado touched down briefly near Fairmont in Martin County. Another potential tornado touched down near Mapleton in Blue Earth County. A brief tornado occurred just west of Red Wing as this line continued to the northeast. This thunderstorm complex develop and moved rapidly across southern Minnesota and into Western Wisconsin, where one more tornado touched down to the east of Eau Claire near Augusta and tracked about 10 miles to the north. |
 Uprooted tree near Augusta, WI |
Tornadoes:
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Tornado - Fairmont, MN
Track Map 
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Tornado - Red Wing, MN
Track Map
Downloadable KMZ File |
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Tornado - Augusta, WI
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The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:
| EF0 Weak 65-85 mph |
EF1 Moderate 86-110 mph |
EF2 Significant 111-135 mph |
EF3 Severe 136-165 mph |
EF4 Extreme 166-200 mph |
EF5 Catastrophic 200+ mph |
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Radar
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| Radar loop showing storms moving into Martin County, MN | Radar loop as storms moved through eastern Eau Claire County, WI |
Storm Reports
NWUS53 KMPX 231558
LSRMPX
Preliminary Local Storm Report...Summary
National Weather Service Twin Cities/Chanhassen MN
1058 AM CDT Thu May 23 2024
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0300 PM Tornado 1 SSW Fairmont 43.63N 94.47W
05/21/2024 Martin MN Public
LATE LSR - Social media photo received of
potential tornado crossing Hall Lake, just
south of Fairmont. Time estimated via radar.
0356 PM Tstm Wnd Gst 3 ESE Fairmont 43.63N 94.42W
05/21/2024 M60 MPH Martin MN AWOS
AWOS station KFRM Fairmont AP.
0420 PM Funnel Cloud 2 W Mapleton 43.93N 93.99W
05/21/2024 Blue Earth MN Public
Funnel Cloud photo shared via social media 2
miles W of Mapleton. Will need to verify if
tornado made contact with the ground.
0448 PM Tstm Wnd Dmg Albert Lea 43.65N 93.37W
05/21/2024 Freeborn MN Emergency Mngr
Correcting LSR time. Emergency Manager
reported power lines and trees down in
Albert Lea. Time estimated via radar.
0455 PM Tstm Wnd Gst 2 N Albert Lea 43.68N 93.37W
05/21/2024 M47 MPH Freeborn MN AWOS
AWOS station KAEL Albert Lea AP.
0457 PM Tstm Wnd Dmg 2 S Faribault 44.27N 93.27W
05/21/2024 Rice MN Public
Large tree down blocking roadway 2 miles
south of Faribault. Time estimated via
radar.
0500 PM Tstm Wnd Dmg Geneva 43.82N 93.27W
05/21/2024 Freeborn MN Emergency Mngr
Emergency Manager reported trees and
powerlines down in Geneva.
0500 PM Tstm Wnd Dmg Hollandale 43.76N 93.20W
05/21/2024 Freeborn MN Emergency Mngr
Emergency Manager reported trees and power
poles snapped one quarter mile east of
Hollandale.
0635 PM Tstm Wnd Dmg 14 SW Eau Claire 44.65N 91.67W
05/21/2024 Pepin WI Trained Spotter
2 to 3 inch branches down along 150ft line
of trees.
0645 PM Tstm Wnd Dmg 1 WNW Chippewa Falls 44.94N 91.42W
05/21/2024 Chippewa WI Amateur Radio
Amateur radio reporting downed tree branches
measuring 7 inches in diameter. Time
estimated via radar.
0654 PM Tstm Wnd Dmg Albert Lea 43.65N 93.37W
05/21/2024 Freeborn MN Emergency Mngr
Emergency Manager reported power lines and
trees down in Albert Lea.
0656 PM Tornado Augusta 44.68N 91.12W
05/21/2024 Eau Claire WI NWS Storm Survey
PRELIMINARY INFORMATION: Storm survey
results identified an EF1 tornado that
touched down near Augusta, and moved north.
The path length was about 10 miles, maximum
width about 1/4 mile, and peak speeds near
90 mph. Time estimated from radar.
0656 PM Tstm Wnd Dmg Augusta 44.68N 91.12W
05/21/2024 Eau Claire WI Emergency Mngr
Emergency Management reported powerlines and
trees down in Augusta. Time estimated via
radar.
0656 PM Tstm Wnd Gst 4 NNE Eau Claire 44.87N 91.47W
05/21/2024 M49 MPH Chippewa WI ASOS
ASOS station KEAU Eau Claire AP.
0708 PM Tstm Wnd Dmg 9 S Boyd 44.83N 91.02W
05/21/2024 Eau Claire WI Emergency Mngr
EM reported that in the Town of Wilson there
are multiple trees down in laying various
directions. Time estimated by radar.
0708 PM Tstm Wnd Dmg 6 SSE Cornell 45.08N 91.12W
05/21/2024 Chippewa WI Trained Spotter
Branches and trees down 6 miles SSE of
Cornell. Time estimated via radar.
0710 PM Tstm Wnd Dmg 4 SE Boyd 44.91N 90.98W
05/21/2024 Chippewa WI Trained Spotter
15-20 inch tree down, several 3-4 inch
branches down. Time estimated via radar.
0716 PM Tstm Wnd Dmg 4 SSE Stanley 44.90N 90.92W
05/21/2024 Chippewa WI Trained Spotter
Multiple trees uprooted & large limbs
snapped. Time estimated from radar.
&&
$$
jrb
Rain Reports
NOUS43 KMPX 221518 PNSMPX MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-230318- Public Information Statement National Weather Service Twin Cities/Chanhassen MN 1018 AM CDT Wed May 22 2024 ...48 HOUR PRECIPITATION REPORTS... Location Amount Time/Date Provider Farmington 0.7 N 4.00 in 0725 AM 05/22 COCORAHS Balsam Lake 4SE 3.99 in 0700 AM 05/22 COCORAHS Northfield 3.84 in 0950 AM 05/22 CWOP Arden Hills 0.8 SSW 3.60 in 0600 AM 05/22 COCORAHS Woodbury 0.3 NNW 3.56 in 0545 AM 05/22 COCORAHS Minneapolis Lower St. Anthon 3.51 in 0500 AM 05/22 COOP New Brighton 3.47 in 0945 AM 05/22 CWOP Dawson 0.6 WNW 3.20 in 0800 AM 05/22 COCORAHS Montevideo 8.5 WNW 3.19 in 0600 AM 05/22 COCORAHS Maiden Rock 7.7 N 3.13 in 0700 AM 05/22 COCORAHS Rosemount 2.7 W 3.07 in 0915 AM 05/22 COCORAHS Golden Valley 1.0 NW 2.94 in 0700 AM 05/22 COCORAHS Minneapolis 2.9 W 2.93 in 0628 AM 05/22 COCORAHS Brooklyn Center 1.3 SE 2.91 in 0700 AM 05/22 COCORAHS Little Falls 9.3 WNW 2.90 in 0700 AM 05/22 COCORAHS Cannon Falls 7.9 ESE 2.89 in 0700 AM 05/22 COCORAHS Clear Lake 5.9 NE 2.86 in 0700 AM 05/22 COCORAHS Prior Lake 5.1 SSE 2.85 in 0750 AM 05/22 COCORAHS Rosemount 2.84 in 0800 AM 05/22 COOP Chisago City 1.3 SSE 2.82 in 0700 AM 05/22 COCORAHS Chanhassen 1.7 S 2.82 in 0600 AM 05/22 COCORAHS St. Croix Falls 2.81 in 0700 AM 05/22 COOP 1.3 NW Princeton 2.81 in 0845 AM 05/22 HADS River Falls 1SW 2.79 in 0700 AM 05/22 COCORAHS Montgomery 2.1 N 2.79 in 0800 AM 05/22 COCORAHS North Mankato 0.5 SE 2.71 in 0700 AM 05/22 COCORAHS 1.2 W Wanamingo 2.71 in 0700 AM 05/22 HADS Minnetonka 2.0 SW 2.66 in 0700 AM 05/22 COCORAHS Edina 1SW 2.65 in 0700 AM 05/22 COCORAHS 1 WSW Richfield 2.64 in 0700 AM 05/22 COCORAHS Zumbrota 1.6 NNW 2.64 in 0700 AM 05/22 COCORAHS HASTINGS 2.57 in 0950 AM 05/22 CWOP Big Lake 2.4 N 2.56 in 0700 AM 05/22 COCORAHS Weyerhaeuser 2.2 W 2.53 in 0734 AM 05/22 COCORAHS Mankato 1ESE 2.53 in 0700 AM 05/22 COCORAHS Faribault 1.6 S 2.50 in 0700 AM 05/22 COCORAHS Cottage Grove 1.7 NW 2.48 in 0600 AM 05/22 COCORAHS Bay City 3.7 NNW 2.41 in 0700 AM 05/22 COCORAHS Minneapolis-St. Paul AP 2.34 in 0853 AM 05/22 ASOS Brooklyn Park 2E 2.27 in 0800 AM 05/22 COCORAHS New Richmond AP 2.19 in 0935 AM 05/22 AWOS South St. Paul AP 2.19 in 0935 AM 05/22 AWOS St. Paul Dwtn AP 2.11 in 0853 AM 05/22 ASOS Stillwater 7.4 NNE 2.09 in 0800 AM 05/22 COCORAHS Menomonie 0.9 NW 2.07 in 0715 AM 05/22 COCORAHS Observations are collected from a variety of sources with varying equipment and exposures. We thank all volunteer weather observers for their dedication. Not all data listed are considered official. $$ Strus
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