Alert archive / Michigan / Tornado Warnings in 1998
Tornado Warning 83, NWS Northern Indiana
NWS Northern Indiana issued this tornado warning at Aug 25, 1998, 2:17 AM EDT for Branch County, Michigan. It was in force for 48 min. 3 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 25, 1998, 2:17 AM EDT (06:17 UTC)
- Expired
- Aug 25, 1998, 3:05 AM EDT
- In force
- 48 min
- Issued by
- NWS Northern Indiana
- Area
- Whole counties
County Branch County, MI
The radar
The Northern Indiana radar (KIWX), 82 km from the middle of the area, began a volume at 06:16 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 |
|---|---|---|---|
| Aug 25, 2:20 AM EDT | Thunderstorm Wind 52 | Bronson, MI | |
| Aug 25, 2:30 AM EDT | Thunderstorm Wind | Kinderhook, MI | LOTS OF TREES AND POWER LINES DOWN. |
| Aug 25, 2:30 AM EDT | Thunderstorm Wind | Batavia, MI | SEVERAL TREES AND POWER LINES DOWN IN TOWN. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 25, 1:00 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 00:00Z, 6.3 hours before the alert went out and 161 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
- 1480 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1317 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
996 WFUS53 KIWX 250620 RRA TORFWA MIC023-250705- BULLETIN- EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NORTHERN INDIANA 117 AM EST TUE AUG 25 1998 THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A * TORNADO WARNING FOR... BRANCH COUNTY IN SOUTH CENTRAL LOWER MICHIGAN * UNTIL 305 AM EDT (205 AM EST) * AT 216 AM EDT... DOPPLER RADAR AT NORTH WEBSTER INDICATED A TORNADO 7 MILES WEST OF COLDWATER MOVING EAST AT 35 MPH. * SOME LOCATIONS IN THE PATH OF THIS TORNADO ARE... COLDWATER QUINCY BATAVIA ALONG ROUTE US 12 THIS IS A DANGEROUS STORM ACT QUICKLY. SEEK SHELTER IN AN INTERIOR ROOM ON THE LOWEST FLOOR AWAY FROM WINDOWS. TEH/JAL
The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 1:12 AM EDT | Severe Thunderstorm Warning | IWX | Berrien | 48 min |
| Aug 25, 1:19 AM EDT | Severe Thunderstorm Warning | IWX | Cass | 61 min |
| Aug 25, 1:33 AM EDT | Severe Thunderstorm Warning | IWX | Saint Joseph | 52 min |
| Aug 25, 1:47 AM EDT | Tornado Warning | IWX | Berrien, Cass | 48 min |
| Aug 25, 1:58 AM EDT | Severe Thunderstorm Warning | IWX | Branch | 52 min |
| Aug 25, 2:22 AM EDT | Severe Thunderstorm Warning | IWX | Saint Joseph | 33 min |
| Aug 25, 2:52 AM EDT | Severe Thunderstorm Warning | IWX | Hillsdale | 53 min |
| Aug 25, 3:22 AM EDT | Severe Thunderstorm Warning | IWX | Berrien | 48 min |
Nearby
Tornado Warnings in Michigan, 1998Every tornado warning in 1998Tornadoes in 1998
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.