Alert archive / Indiana / Tornado Warnings in 2026
Tornado Warning 49, NWS Northern Indiana
NWS Northern Indiana issued this tornado warning at Sep 17, 2026, 1:27 AM EDT for Grant County, Indiana. It was in force for 33 min. 2 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
- Sep 17, 2026, 1:27 AM EDT (05:27 UTC)
- Expired
- Sep 17, 2026, 2:00 AM EDT
- In force
- 33 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
County Grant County, IN
The radar
The Northern Indiana radar (KIWX), 90 km from the middle of the area, began a volume at 05:29 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 |
|---|---|---|---|
| Sep 17, 1:38 AM EDT | TSTM WND DMG | 2 Nnw Marion, IN | Large tree limbs snapped onto a home by Westlea Park in Marion. Photo of the damage provided by homeowner. Time estimated via radar. |
| Sep 17, 1:40 AM EDT | TSTM WND DMG | 1 Nne Marion, IN | Power lines snapped at the intersection of Spencer Avenue and North Washington Street in Marion. Time estimated via radar. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 5.5 hours before the alert went out and 202 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
- 2381 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1181 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
978
WFUS53 KIWX 170527
TORIWX
INC053-170600-
/O.NEW.KIWX.TO.W.0049.260917T0527Z-260917T0600Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Northern Indiana
127 AM EDT Thu Sep 17 2026
The National Weather Service in Northern Indiana has issued a
* Tornado Warning for...
Central Grant County in central Indiana...
* Until 200 AM EDT.
* At 127 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Sweetser, or near Marion, moving east at 25 mph.
HAZARD...Tornado.
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.
* This dangerous storm will be near...
Marion around 130 AM EDT.
Gas City around 135 AM EDT.
Upland around 150 AM EDT.
Other locations impacted by this tornadic thunderstorm include Home
Corner, Lake Wood, Arcana, and Roseburg.
This includes Interstate 69 in Indiana between mile markers 259 and
267.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid 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 4054 8580 4062 8579 4059 8549 4046 8548
TIME...MOT...LOC 0527Z 292DEG 23KT 4058 8575
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
Steinwedel3 follow-up statements
146
WWUS53 KIWX 170534
SVSIWX
Severe Weather Statement
National Weather Service Northern Indiana
134 AM EDT Thu Sep 17 2026
INC053-170600-
/O.CON.KIWX.TO.W.0049.000000T0000Z-260917T0600Z/
Grant IN-
134 AM EDT Thu Sep 17 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM EDT FOR CENTRAL
GRANT COUNTY...
At 134 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Marion, moving southeast at 30 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Marion and Gas City around 140 AM EDT.
Upland around 145 AM EDT.
Other locations impacted by this tornadic thunderstorm include Home
Corner, Lake Wood, and Arcana.
This includes Interstate 69 in Indiana between mile markers 259 and
265.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 4053 8575 4059 8572 4056 8549 4046 8548
TIME...MOT...LOC 0534Z 296DEG 26KT 4054 8568
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
Steinwedel266
WWUS53 KIWX 170547
SVSIWX
Severe Weather Statement
National Weather Service Northern Indiana
147 AM EDT Thu Sep 17 2026
INC053-170600-
/O.CON.KIWX.TO.W.0049.000000T0000Z-260917T0600Z/
Grant IN-
147 AM EDT Thu Sep 17 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM EDT FOR EAST
CENTRAL GRANT COUNTY...
At 147 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Gas City, moving southeast at 20 mph.
HAZARD...Tornado.
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.
This dangerous storm will be near...
Gas City and Upland around 150 AM EDT.
Other locations impacted by this tornadic thunderstorm include Lake
Wood and Arcana.
This includes Interstate 69 in Indiana between mile markers 259 and
264.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid 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.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4050 8564 4056 8563 4056 8549 4046 8548
TIME...MOT...LOC 0547Z 294DEG 19KT 4050 8561
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Steinwedel624 WWUS53 KIWX 170558 SVSIWX Severe Weather Statement National Weather Service Northern Indiana 158 AM EDT Thu Sep 17 2026 INC053-170607- /O.EXP.KIWX.TO.W.0049.000000T0000Z-260917T0600Z/ Grant IN- 158 AM EDT Thu Sep 17 2026 ...THE TORNADO WARNING FOR EAST CENTRAL GRANT COUNTY WILL EXPIRE AT 200 AM EDT... The storm which prompted the warning has weakened below severe limits, and no longer appears capable of producing a tornado. Therefore, the warning will be allowed to expire. && LAT...LON 4050 8564 4056 8563 4056 8549 4046 8548 TIME...MOT...LOC 0557Z 292DEG 23KT 4048 8554 $$ Steinwedel
The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 17, 2:01 AM EDT | Special Weather Statement | IWX | Blackford | 29 min |
| Sep 17, 4:49 AM EDT | Flash Flood Warning | IWX | Adams, Huntington, Wells | 3 hr |
| Sep 17, 7:44 AM EDT | Flash Flood Warning | IWX | Adams, Huntington, Wells | 7 hr |
| Sep 17, 8:15 AM EDT | Areal Flood Advisory | IWX | Kosciusko, LaPorte, Marshall, Saint Joseph, Starke | 3 hr |
| Sep 17, 9:13 AM EDT | Special Weather Statement | IWX | Fulton, Kosciusko, Marshall, Pulaski | 47 min |
| Sep 17, 9:34 AM EDT | Areal Flood Advisory | IWX | Allen, Cass, Fulton, Kosciusko, Miami, Wabash and 1 more | 4 hr |
| Sep 17, 10:08 AM EDT | River Flood Warning | IWX | Cass, Miami, Wabash | 8 hr |
| Sep 17, 10:08 AM EDT | River Flood Warning | IWX | Adams, Allen | 9 days |
| Sep 17, 10:08 AM EDT | River Flood Warning | IWX | Allen | 9 days |
| Sep 17, 10:28 AM EDT | Special Weather Statement | IWX | Allen | 32 min |
| Sep 17, 10:37 AM EDT | Areal Flood Advisory | IWX | Adams, Allen, Huntington, Wells, Whitley | 3 hr |
| Sep 17, 2:18 PM EDT | Areal Flood Warning | IWX | Adams, Huntington, Jay, Wells | 20 hr |
| Sep 17, 4:07 PM EDT | Marine Dense Fog Advisory | IWX | 7 hr |
Nearby
Tornado Warnings in Indiana, 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.