Thunderstorms produced a variety of large hail, damaging winds, and brief tornadoes in southwest Minnesota on the afternoon of May 4th. There was also a report of flash flooding.

Thunderstorm Wind in JACKSON, MINNESOTA
From 04-MAY-12 13:45:00 to 04-MAY-12 13:45:00 (CST-6)
Location: LAKEFIELD
Magnitude: 56.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds tore the roof off an open faced hog barn.

Tornado in JACKSON, MINNESOTA
From 04-MAY-12 14:05:00 to 04-MAY-12 14:06:00 (CST-6)
Location: LAKEFIELD
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A brief tornado caused no reported damage.

Hail in JACKSON, MINNESOTA
From 04-MAY-12 14:27:00 to 04-MAY-12 14:27:00 (CST-6)
Location: JACKSON ARPT
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flash Flood in JACKSON, MINNESOTA
From 04-MAY-12 14:30:00 to 04-MAY-12 14:45:00 (CST-6)
Location: LAKEFIELD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rain caused flooding of Minnesota Highway 86.

Hail in JACKSON, MINNESOTA
From 04-MAY-12 14:57:00 to 04-MAY-12 14:57:00 (CST-6)
Location: ALPHA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in NOBLES, MINNESOTA
From 04-MAY-12 12:48:00 to 04-MAY-12 12:48:00 (CST-6)
Location: RUSHMORE
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Tornado in NOBLES, MINNESOTA
From 04-MAY-12 13:03:00 to 04-MAY-12 13:05:00 (CST-6)
Location: RUSHMORE
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A brief tornado caused no reported damage.

Tornado in NOBLES, MINNESOTA
From 04-MAY-12 13:10:00 to 04-MAY-12 13:15:00 (CST-6)
Location: WORTHINGTON
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A brief tornado caused no reported damage.

Hail in NOBLES, MINNESOTA
From 04-MAY-12 13:15:00 to 04-MAY-12 13:15:00 (CST-6)
Location: (OTG)WORTHINGTON ARP
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Tornado in JACKSON, MINNESOTA
From 04-MAY-12 13:40:00 to 04-MAY-12 13:42:00 (CST-6)
Location: LAKEFIELD
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A brief tornado caused no reported damage.

Thunderstorm Wind in NOBLES, MINNESOTA
From 04-MAY-12 13:15:00 to 04-MAY-12 13:15:00 (CST-6)
Location: (OTG)WORTHINGTON ARP
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds caused tree damage, including a few branches blown down.

Tornado in JACKSON, MINNESOTA
From 04-MAY-12 13:49:00 to 04-MAY-12 13:50:00 (CST-6)
Location: LAKEFIELD
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A brief tornado caused no reported damage.

Tornado in NOBLES, MINNESOTA
From 04-MAY-12 13:25:00 to 04-MAY-12 13:27:00 (CST-6)
Location: ROUND LAKE
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A brief tornado caused no reported damage.

Thunderstorm Wind in PIPESTONE, MINNESOTA
From 04-MAY-12 11:44:00 to 04-MAY-12 11:44:00 (CST-6)
Location: PIPESTONE ARPT
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS