Alert archive / Michigan / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 132, NWS Grand Rapids, MI

September 26, 1998Clare County, Michigan

NWS Grand Rapids, MI issued this severe thunderstorm warning at Sep 26, 1998, 6:16 AM EDT for Clare County, Michigan. It was in force for 34 min. 1 report 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
Sep 26, 1998, 6:16 AM EDT (10:16 UTC)
Expired
Sep 26, 1998, 6:50 AM EDT
In force
34 min
Issued by
NWS Grand Rapids, MI
Area
Whole counties

County Clare County, MI

What was reported inside it

TimeReportWhereRemark
Sep 26, 6:30 AM EDTHail 1Leota, MI1.75 to 3 inch hail damaged buildings and vehicles damage amount is unknown.

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
Sep 26, 4:30 AM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 10.3 hours before the alert went out and 182 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 1998-09-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1998-09-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1629 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
175 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Grand Rapids, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 26, 4:08 AM EDTSevere Thunderstorm WarningGRRMason32 min
Sep 26, 5:07 AM EDTSevere Thunderstorm WarningGRRLake, Mason33 min
Sep 26, 5:42 AM EDTSevere Thunderstorm WarningGRROsceola33 min
Sep 26, 7:20 AM EDTSevere Thunderstorm WarningGRRLake30 min
Sep 26, 7:51 AM EDTSevere Thunderstorm WarningGRROsceola34 min
Sep 26, 8:24 AM EDTSevere Thunderstorm WarningGRRClare31 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.