Alert archive / Minnesota / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 27, NWS La Crosse, WI

May 15, 2025Olmsted County, Wabasha County, Minnesota

NWS La Crosse, WI issued this severe thunderstorm warning at May 15, 2025, 2:14 PM CDT for Olmsted County, Wabasha County, Minnesota. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 15, 2025, 2:14 PM CDT (19:14 UTC)
Expired: May 15, 2025, 2:45 PM CDT
In force: 31 min
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Olmsted County, MN, Wabasha County, MN

The radar

The La Crosse radar (KARX), 97 km from the middle of the area, began a volume at 19:18 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 15, 12:46 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 7.2 hours before the alert went out and 129 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 515 J/kg
Mixed-layer CIN: -91 J/kg
Mixed-layer LCL: 1098 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 148 m²/s²
0-3 km storm-relative helicity: 141 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS La Crosse, WI wrote its last area forecast discussion before this severe thunderstorm warning went out at May 15, 12:39 PM CDT, 1 hour 35 minutes earlier.

Area forecast discussion, May 15, 12:39 PM CDT, 1 hour 35 minutes before

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Hazardous weather outlook, May 15, 4:17 AM CDT, 9 hours 57 minutes before

Hazardous Weather Outlook
National Weather Service La Crosse WI
417 AM CDT Thu May 15 2025

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-
032>034-041>044-053>055-061-161100-
Mitchell-Howard-Winneshiek-Allamakee-Floyd-Chickasaw-Fayette-
Clayton-Wabasha-Dodge-Olmsted-Winona-Mower-Fillmore-Houston-
Taylor-Clark-Buffalo-Trempealeau-Jackson-La Crosse-Monroe-Juneau-
Adams-Vernon-Crawford-Richland-Grant-
417 AM CDT Thu May 15 2025

This Hazardous Weather Outlook is for portions of southeast
Minnesota...northeast Iowa and southwest into central Wisconsin.

.DAY ONE...Today and Tonight

Severe storms are likely for some this afternoon into early
evening. Locally, the higher risk lies east of the Mississippi
River, along and north of Interstate 90. Very large hail of 2
inches or greater, tornadoes and damaging winds are all possible.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotters may be needed east of the Mississippi River between 2 and
7 PM today...especially in locations north of Interstate 90.

.EMERGENCY MANAGEMENT COORDINATION...

No webinar is scheduled.

Rieck

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 15, 2:44 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo	46 min
May 15, 2:56 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo, Trempealeau	34 min
May 15, 3:10 PM CDT	Tornado Warning	ARX	Buffalo	20 min
May 15, 3:16 PM CDT	Severe Thunderstorm Warning	ARX	Richland	44 min
May 15, 3:21 PM CDT	Wind Advisory	ARX	Adams, Buffalo, Clark, Crawford, Grant, Jackson and 6 more	6 hr
May 15, 3:28 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo, Trempealeau	47 min
May 15, 3:34 PM CDT	Severe Thunderstorm Warning	ARX	La Crosse, Vernon	20 min
May 15, 3:51 PM CDT	Severe Thunderstorm Warning	ARX	Jackson	24 min
May 15, 3:59 PM CDT	Severe Thunderstorm Warning	ARX	Juneau, Monroe, Vernon	46 min
May 15, 4:07 PM CDT	Severe Thunderstorm Warning	ARX	Jackson, Monroe	38 min
May 15, 4:07 PM CDT	Severe Thunderstorm Warning	ARX	Adams, Juneau	68 min
May 15, 4:12 PM CDT	Severe Thunderstorm Warning	ARX	Clark, Jackson	48 min
May 15, 4:24 PM CDT	Severe Thunderstorm Warning	ARX	Jackson, Juneau, Monroe	51 min
May 15, 4:30 PM CDT	Tornado Warning	ARX	Clark	45 min
May 15, 4:44 PM CDT	Severe Thunderstorm Warning	ARX	Clark	46 min
May 15, 4:57 PM CDT	Severe Thunderstorm Warning	ARX	Clark, Taylor	48 min
May 15, 5:06 PM CDT	Tornado Warning Tornado observed	ARX	Clark	39 min
May 15, 5:06 PM CDT	Tornado Warning	ARX	Adams	24 min
May 15, 5:14 PM CDT	Severe Thunderstorm Warning	ARX	Adams, Juneau	46 min
May 15, 5:42 PM CDT	Severe Thunderstorm Warning	ARX	Taylor	33 min
May 15, 5:45 PM CDT	Tornado Warning	ARX	Taylor	30 min
May 15, 2:53 PM CDT	Tornado Warning	ARX	Wabasha	22 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2025 Every severe thunderstorm warning in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.