Alert archive / Indiana / Tornado Watches in 2026
Tornado Watch 37
The Storm Prediction Center issued this tornado watch at Mar 10, 2026, 7:45 PM EDT for 10 counties in Indiana; 4 counties in Michigan. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 10, 2026, 7:45 PM EDT (23:45 UTC)
- Expired
- Mar 11, 2026, 2:00 AM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 3 in
- Strongest gust expected
- 65 kt
Counties Elkhart County, IN, Fulton County, IN, Kosciusko County, IN, LaGrange County, IN, LaPorte County, IN, Marshall County, IN, Pulaski County, IN, Saint Joseph County, IN, Starke County, IN, Steuben County, IN, Berrien County, MI, Branch County, MI, Cass County, MI, Saint Joseph County, MI
The radar
The Northern Indiana radar (KIWX), 51 km from the middle of the area, began a volume at 23:44 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 SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 70%
- One or more EF2 to EF5 tornadoes
- 60%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 60%
- One or more hailstones of 2 inches or more
- 60%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
16 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 10, 8:41 PM EDT | Severe Thunderstorm Warning | IWX | LaPorte, Pulaski, Starke | 49 min |
| Mar 10, 8:51 PM EDT | Tornado Warning | IWX | LaPorte, Pulaski, Starke | 39 min |
| Mar 10, 9:25 PM EDT | Tornado Warning | IWX | LaPorte, Starke | 35 min |
| Mar 10, 9:27 PM EDT | Severe Thunderstorm Warning | IWX | LaPorte, Marshall, Saint Joseph, Starke | 48 min |
| Mar 10, 9:37 PM EDT | Tornado Warning | IWX | Starke | 23 min |
| Mar 10, 9:50 PM EDT | Tornado Warning | IWX | Marshall, Saint Joseph, Starke | 14 min |
| Mar 10, 10:06 PM EDT | Severe Thunderstorm Warning | IWX | LaPorte, Marshall, Saint Joseph, Starke | 24 min |
| Mar 10, 10:20 PM EDT | Tornado Warning | IWX | Marshall, Saint Joseph | 25 min |
| Mar 10, 10:27 PM EDT | Severe Thunderstorm Warning | IWX | Saint Joseph | 33 min |
| Mar 10, 10:53 PM EDT | Severe Thunderstorm Warning | IWX | Elkhart | 14 min |
| Mar 10, 11:25 PM EDT | Severe Thunderstorm Warning | IWX | LaPorte, Starke | 50 min |
| Mar 10, 11:48 PM EDT | Severe Thunderstorm Warning | IWX | LaPorte, Saint Joseph | 42 min |
| Mar 11, 12:06 AM EDT | Severe Thunderstorm Warning | IWX | LaPorte, Marshall, Saint Joseph, Starke | 39 min |
| Mar 11, 12:29 AM EDT | Severe Thunderstorm Warning | IWX | Elkhart, Kosciusko, Marshall, Saint Joseph | 31 min |
| Mar 11, 1:37 AM EDT | Severe Thunderstorm Warning | IWX | Elkhart, Kosciusko | 23 min |
| Mar 11, 1:47 AM EDT | Severe Thunderstorm Warning | IWX | LaGrange, Noble | 17 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 11.8 hours before the alert went out and 260 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
- 551 J/kg
- Mixed-layer CIN
- -175 J/kg
- Mixed-layer LCL
- 971 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 10, 12:16 PM EDT | Mesoscale Discussion | SPC | Fulton, Jasper, Lake, Newton, Pulaski, Starke | 29 min |
| Mar 10, 2:53 PM EDT | Mesoscale Discussion | SPC | Benton, Fulton, Jasper, Lake, LaPorte, Marshall and 5 more | 3 hr |
| Mar 10, 4:57 PM EDT | Tornado Watch | SPC | Benton, Jasper, Lake, Newton, Porter | 10 hr |
| Mar 10, 6:40 PM EDT | Severe Thunderstorm Watch | SPC | Lake, Porter | 7 hr |
| Mar 10, 7:27 PM EDT | Mesoscale Discussion | SPC | Allen, Cass, DeKalb, Elkhart, Fulton, Huntington and 16 more | 63 min |
| Mar 10, 5:53 PM EDT | Mesoscale Discussion | SPC | Allegan, Berrien, Cass, Kalamazoo, Van Buren | 97 min |
Nearby
Tornado Watches in Indiana, 2026Tornado Watches in Michigan, 2026Every tornado watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.