Alert archive / Minnesota / Tornado Warnings in 2026
Tornado Warning 4, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Apr 13, 2026, 6:28 PM CDT for Blue Earth County, Faribault County, Martin County, Minnesota. It was in force for 47 min. 1 report 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, 6:28 PM CDT (23:28 UTC)
- Expired
- Apr 13, 2026, 7:15 PM CDT
- In force
- 47 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 2.0 in
Counties Blue Earth County, MN, Faribault County, MN, Martin County, MN
The radar
The Minneapolis radar (KMPX), 120 km from the middle of the area, began a volume at 23:30 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, 6:44 PM CDT | HAIL 2.5 | 2 W Amboy, MN | Report from mPING: Tennis Ball (2.50 in.). |
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, 11.5 hours before the alert went out and 119 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.
977
WFUS53 KMPX 132328
TORMPX
MNC013-043-091-140015-
/O.NEW.KMPX.TO.W.0004.260413T2328Z-260414T0015Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
628 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...
Northwestern Faribault County in south central Minnesota...
Northeastern Martin County in south central Minnesota...
* Until 715 PM CDT.
* At 628 PM CDT, a confirmed tornado was located 7 miles southeast of
Lewisville, or 19 miles northeast of Fairmont, moving east at 25
mph.
HAZARD...Damaging tornado and two inch 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...
Vernon Center, Winnebago, Amboy, Delavan and Mapleton.
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 4398 9429 4400 9394 4373 9398
TIME...MOT...LOC 2328Z 270DEG 20KT 4388 9431
TORNADO...OBSERVED
MAX HAIL SIZE...2.00 IN
$$
CTG2 follow-up statements
025
WWUS53 KMPX 132346
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
646 PM CDT Mon Apr 13 2026
MNC091-132356-
/O.CAN.KMPX.TO.W.0004.000000T0000Z-260414T0015Z/
Martin MN-
646 PM CDT Mon Apr 13 2026
...TORNADO WARNING IS CANCELLED FOR NORTHEASTERN MARTIN COUNTY...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM CDT Monday for a
portion of south central Minnesota.
&&
LAT...LON 4386 9429 4398 9422 4400 9394 4380 9397
TIME...MOT...LOC 2328Z 270DEG 20KT 4388 9431
$$
MNC013-043-140015-
/O.CON.KMPX.TO.W.0004.000000T0000Z-260414T0015Z/
Blue Earth MN-Faribault MN-
646 PM CDT Mon Apr 13 2026
...TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR
SOUTHWESTERN BLUE EARTH AND NORTH CENTRAL FARIBAULT COUNTIES...
At 646 PM CDT, a confirmed tornado was located over Amboy, or 22
miles southwest of Mankato, moving east at 25 mph.
HAZARD...Damaging tornado and two inch 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...
Vernon Center, Amboy and Mapleton.
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 4386 9429 4398 9422 4400 9394 4380 9397
TIME...MOT...LOC 2328Z 270DEG 20KT 4388 9431
TORNADO...OBSERVED
MAX HAIL SIZE...2.00 IN
$$
CTG636
WWUS53 KMPX 132356
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
656 PM CDT Mon Apr 13 2026
MNC013-043-140015-
/O.CON.KMPX.TO.W.0004.000000T0000Z-260414T0015Z/
Blue Earth MN-Faribault MN-
656 PM CDT Mon Apr 13 2026
...TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR SOUTH
CENTRAL BLUE EARTH AND NORTH CENTRAL FARIBAULT COUNTIES...
At 656 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Amboy, or 21 miles south of Mankato, moving east at
25 mph.
HAZARD...Tornado and tennis ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Amboy and Mapleton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.
&&
LAT...LON 4384 9420 4399 9413 4400 9394 4380 9397
TIME...MOT...LOC 2346Z 270DEG 20KT 4388 9417
TORNADO...RADAR INDICATED
MAX HAIL SIZE...2.50 IN
$$
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, 5:58 PM CDT | Tornado Warning | MPX | Blue Earth, Martin, Watonwan | 47 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, 6:40 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.