Alert archive / Michigan / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 65, NWS Detroit, MI

June 25, 1998Tuscola County, Michigan

NWS Detroit, MI issued this severe thunderstorm warning at Jun 25, 1998, 9:00 PM EDT for Tuscola County, Michigan. It was in force for 45 min. 2 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 25, 1998, 9:00 PM EDT (01:00 UTC)
Expired
Jun 25, 1998, 9:45 PM EDT
In force
45 min
Issued by
NWS Detroit, MI
Area
Whole counties

County Tuscola County, MI

What was reported inside it

TimeReportWhereRemark
Jun 25, 9:15 PM EDTThunderstorm Wind 52Mayville, MI
Jun 25, 9:15 PM EDTThunderstorm Wind 52Vassar, MI

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.

IssuedProductOfficeLasted
Jun 25, 8:45 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 1.0 hours before the alert went out and 86 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-pSkew-T log-p diagram, Detroit, MI at 00:00Z on 1998-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1482 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 00:00Z on 1998-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1482 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
1969 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
Supercell composite
8.6

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 8:37 PM EDTSevere Thunderstorm WarningDTXSaginaw48 min
Jun 25, 9:49 PM EDTSevere Thunderstorm WarningDTXShiawassee56 min
Jun 25, 10:32 PM EDTSevere Thunderstorm WarningDTXGenesee58 min
Jun 25, 10:57 PM EDTSevere Thunderstorm WarningDTXLapeer, Tuscola33 min
Jun 25, 11:06 PM EDTSevere Thunderstorm WarningDTXLivingston24 min
Jun 25, 11:34 PM EDTSevere Thunderstorm WarningDTXGenesee26 min
Jun 26, 12:00 AM EDTSevere Thunderstorm WarningDTXGenesee30 min
Jun 26, 12:01 AM EDTSevere Thunderstorm WarningDTXHuron44 min
Jun 26, 2:31 AM EDTSevere Thunderstorm WarningDTXLenawee, Washtenaw29 min
Jun 26, 2:50 AM EDTSevere Thunderstorm WarningDTXMonroe40 min

Nearby

Severe Thunderstorm Warnings in Michigan, 1998Every severe thunderstorm warning 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.