Alert archive / Minnesota / Tornado Warnings in 2026
Tornado Warning 3, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Apr 13, 2026, 5:58 PM CDT for Blue Earth County, Martin County, Watonwan County, Minnesota. It was in force for 47 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 13, 2026, 5:58 PM CDT (22:58 UTC)
- Expired
- Apr 13, 2026, 6:45 PM CDT
- In force
- 47 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 2.5 in
Counties Blue Earth County, MN, Martin County, MN, Watonwan County, MN
The radar
The Minneapolis radar (KMPX), 127 km from the middle of the area, began a volume at 22:59 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 13, 6:04 PM CDT | HAIL 1.75 | Lewisville, MN | |
| Apr 13, 6:25 PM CDT | TORNADO | 7 Wsw Amboy, MN | Multiple reports from storm chasers, fire department, law enforcement. Tornado still on ground at 632 pm. |
| Apr 13, 6:25 PM CDT | TORNADO | 7 Wsw Amboy, MN | Updates previous tornado report from 7 WSW Amboy. Multiple reports from storm chasers, fire department, law enforcement. Tornado still on ground at 632 pm. Farm outbuilding damage reported 10 WSW Amboy in extreme southwest Blue Earth County. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 13, 3:11 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 11.0 hours before the alert went out and 126 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.
- Mixed-layer CAPE
- 8 J/kg
- Mixed-layer CIN
- -259 J/kg
- Mixed-layer LCL
- 1506 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 124 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
366
WFUS53 KMPX 132258
TORMPX
MNC013-091-165-132345-
/O.NEW.KMPX.TO.W.0003.260413T2258Z-260413T2345Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
558 PM CDT Mon Apr 13 2026
The National Weather Service in the Twin Cities has issued a
* Tornado Warning for...
Southwestern Blue Earth County in south central Minnesota...
Northeastern Martin County in south central Minnesota...
Southeastern Watonwan County in south central Minnesota...
* Until 645 PM CDT.
* At 558 PM CDT, a severe thunderstorm capable of producing a tornado
was located 6 miles northwest of Truman, or 17 miles north of
Fairmont, moving east at 20 mph.
HAZARD...Tornado and tennis ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows and vehicles will occur. Tree damage is
likely.
* Locations impacted include...
South Branch, Truman and Lewisville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.
&&
LAT...LON 4385 9465 4396 9459 4402 9421 4385 9424
4385 9425 4377 9425
TIME...MOT...LOC 2258Z 264DEG 18KT 4387 9453
TORNADO...RADAR INDICATED
MAX HAIL SIZE...2.50 IN
$$
CTG2 follow-up statements
226
WWUS53 KMPX 132315
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
615 PM CDT Mon Apr 13 2026
MNC013-091-165-132345-
/O.CON.KMPX.TO.W.0003.000000T0000Z-260413T2345Z/
Blue Earth MN-Martin MN-Watonwan MN-
615 PM CDT Mon Apr 13 2026
...TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR
SOUTHWESTERN BLUE EARTH, NORTHEASTERN MARTIN AND SOUTHEASTERN
WATONWAN COUNTIES...
At 615 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Lewisville, or 17 miles north of Fairmont, moving
east at 20 mph.
HAZARD...Tornado and tennis ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Truman and Lewisville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.
&&
LAT...LON 4383 9452 4398 9446 4402 9421 4385 9424
4385 9425 4377 9425
TIME...MOT...LOC 2258Z 264DEG 18KT 4387 9453
TORNADO...RADAR INDICATED
MAX HAIL SIZE...2.50 IN
$$
CTG028
WWUS53 KMPX 132333
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
633 PM CDT Mon Apr 13 2026
MNC165-132343-
/O.CAN.KMPX.TO.W.0003.000000T0000Z-260413T2345Z/
Watonwan MN-
633 PM CDT Mon Apr 13 2026
...TORNADO WARNING IS CANCELLED FOR SOUTHEASTERN WATONWAN COUNTY...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM CDT Monday for a
portion of south central Minnesota.
&&
LAT...LON 4381 9437 4397 9435 4399 9422 4385 9424
4385 9425 4379 9425
TIME...MOT...LOC 2315Z 264DEG 18KT 4388 9441
$$
MNC013-091-132345-
/O.CON.KMPX.TO.W.0003.000000T0000Z-260413T2345Z/
Blue Earth MN-Martin MN-
633 PM CDT Mon Apr 13 2026
...TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR
SOUTHWESTERN BLUE EARTH AND NORTHEASTERN MARTIN COUNTIES...
At 633 PM CDT, a confirmed tornado was located 7 miles west of Amboy,
or 20 miles northeast of Fairmont, moving east at 20 mph.
HAZARD...Damaging tornado and tennis ball size hail.
SOURCE...Weather spotters confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Mainly rural areas of Southwestern Blue Earth and Northeastern
Martin Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.
&&
LAT...LON 4381 9437 4397 9435 4399 9422 4385 9424
4385 9425 4379 9425
TIME...MOT...LOC 2315Z 264DEG 18KT 4388 9441
TORNADO...OBSERVED
MAX HAIL SIZE...2.50 IN
$$
CTGThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 3:19 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue, Rice | 41 min |
| Apr 13, 3:47 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 43 min |
| Apr 13, 3:54 PM CDT | Severe Thunderstorm Warning | MPX | Rice | 35 min |
| Apr 13, 3:55 PM CDT | Tornado Warning | MPX | Rice | 35 min |
| Apr 13, 4:09 PM CDT | Tornado Warning | MPX | Goodhue | 58 min |
| Apr 13, 4:29 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 61 min |
| Apr 13, 5:01 PM CDT | Flash Flood Warning | MPX | Goodhue | 5 hr |
| Apr 13, 5:22 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 53 min |
| Apr 13, 5:27 PM CDT | Severe Thunderstorm Warning | MPX | Martin, Watonwan | 48 min |
| Apr 13, 5:40 PM CDT | Severe Thunderstorm Warning | MPX | Le Sueur, Nicollet | 50 min |
| Apr 13, 5:59 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Le Sueur, Rice | 61 min |
| Apr 13, 6:04 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Brown, Nicollet | 56 min |
| Apr 13, 6:25 PM CDT | Severe Thunderstorm Warning | MPX | Le Sueur, Rice | 65 min |
| Apr 13, 6:28 PM CDT | Tornado Warning | MPX | Blue Earth, Faribault, Martin | 47 min |
| Apr 13, 6:40 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Martin | 65 min |
| Apr 13, 6:41 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Watonwan | 58 min |
| Apr 13, 6:46 PM CDT | Severe Thunderstorm Warning | MPX | Watonwan | 67 min |
| Apr 13, 6:48 PM CDT | Tornado Warning | MPX | Rice, Steele, Waseca | 42 min |
| Apr 13, 6:52 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 53 min |
Nearby
Tornado Warnings in Minnesota, 2026Every tornado warning in 2026Tornadoes in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.