Alert archive / Michigan / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 7, NWS Marquette, MI

August 9, 1992Baraga County, Michigan

NWS Marquette, MI issued this severe thunderstorm warning at Aug 9, 1992, 10:24 PM EDT for Baraga County, Michigan. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
Aug 9, 1992, 10:24 PM EDT (02:24 UTC)
Expired
Aug 9, 1992, 11:30 PM EDT
In force
66 min
Issued by
NWS Marquette, MI
Area
Whole counties

County Baraga County, MI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 2.4 hours before the alert went out and 248 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, Green Bay/Straub, WI at 00:00Z on 1992-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3346 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, Green Bay/Straub, WI at 00:00Z on 1992-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 173 square meters per square second.1939Sfc1 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
3346 J/kg
Mixed-layer CIN
-106 J/kg
Mixed-layer LCL
896 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
173 m²/s²
0-3 km storm-relative helicity
226 m²/s²
Significant tornado parameter
1.8
Supercell composite
16.2

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 Marquette, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 9, 10:20 PM EDTSevere Thunderstorm WarningMQTGogebic55 min
Aug 9, 11:13 PM EDTSevere Thunderstorm WarningMQTBaraga, Marquette42 min

Nearby

Severe Thunderstorm Warnings in Michigan, 1992Every severe thunderstorm warning in 1992

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.