Alert archive / Michigan / Tornado Warnings in 1998

Tornado Warning 5, NWS Grand Rapids, MI

June 24, 1998Jackson County, Michigan

NWS Grand Rapids, MI issued this tornado warning at Jun 24, 1998, 5:41 PM EDT for Jackson County, Michigan. It was in force for 59 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: Jun 24, 1998, 5:41 PM EDT (21:41 UTC)
Expired: Jun 24, 1998, 6:40 PM EDT
In force: 59 min
Issued by: NWS Grand Rapids, MI
Area: Whole counties

County Jackson County, MI

The radar

The Detroit radar (KDTX), 93 km from the middle of the area, began a volume at 21:41 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
Jun 24, 6:05 PM EDT	Thunderstorm Wind	Rives Jct, MI	Jackson County Central Dispatch reported trees and power lines downed in the village of Rives Junction and scattered reports across Rives Township.
Jun 24, 6:06 PM EDT	Tornado F1	Rives Jct, MI	The Jackson County Emergency Management Coordinator confirmed a weak tornado touched down just west of Layton Corners, in rural eastern Rives Township, and travelled east-southeast to near Waterloo, along the Washtenaw County line. The tornado was not on the g
Jun 24, 6:25 PM EDT	Hail 1.75	Grass Lake, MI	Jackson County Emergency Management reported golf ball-sized hail on Morrisey Road in Grass Lake Township, 2 miles north of the city of Grass Lake.

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
Jun 24, 3:00 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 9.7 hours before the alert went out and 97 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 28 J/kg
Mixed-layer CIN: -202 J/kg
Mixed-layer LCL: 1540 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 89 m²/s²
0-3 km storm-relative helicity: 172 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

294 
WFUS1 KGRR 242142 RRA
TORGRR
MIC075-242240-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
541 PM EDT WED JUN 24 1998

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN JACKSON COUNTY IN SOUTH CENTRAL LOWER MICHIGAN

* UNTIL 640 PM EDT

* AT 542 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  TORNADO 9 MILES NORTH OF JACKSON MOVING EAST AT 25 MPH.

* THE STORM PRODUCING THE TORNADO WILL BE NEAR...
  MUNITH               AROUND 605 PM EDT

THIS STORM PRODUCED A TORNADO NEAR EATON RAPIDS AT 525 PM EDT.

GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR

BORIS

The office that day

Everything else NWS Grand Rapids, MI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 24, 3:04 PM EDT	Severe Thunderstorm Warning	GRR	Allegan	36 min
Jun 24, 3:11 PM EDT	Severe Thunderstorm Warning	GRR	Kent	34 min
Jun 24, 3:13 PM EDT	Severe Thunderstorm Warning	GRR	Barry	67 min
Jun 24, 3:20 PM EDT	Severe Thunderstorm Warning	GRR	Ionia	80 min
Jun 24, 4:11 PM EDT	Severe Thunderstorm Warning	GRR	Eaton	79 min
Jun 24, 4:13 PM EDT	Severe Thunderstorm Warning	GRR	Clinton	77 min
Jun 24, 4:43 PM EDT	Tornado Warning	GRR	Eaton	47 min
Jun 24, 5:10 PM EDT	Severe Thunderstorm Warning	GRR	Ingham	80 min
Jun 24, 5:23 PM EDT	Severe Thunderstorm Warning	GRR	Barry	47 min
Jun 24, 6:10 PM EDT	Severe Thunderstorm Warning	GRR	Clare, Isabella	50 min

Nearby

Tornado Warnings in Michigan, 1998 Every tornado warning in 1998 Tornadoes 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.