Alert archive / Michigan / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 68, NWS Marquette, MI

September 2, 2022Houghton County, Ontonagon County, Michigan

NWS Marquette, MI issued this severe thunderstorm warning at Sep 2, 2022, 6:13 PM EDT for Houghton County, Ontonagon County, Michigan. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 2, 2022, 6:13 PM EDT (22:13 UTC)
Expired
Sep 2, 2022, 6:45 PM EDT
In force
32 min
Issued by
NWS Marquette, MI
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Houghton County, MI, Ontonagon County, MI

The radar

The Marquette radar (KMQT), 116 km from the middle of the area, began a volume at 22:13 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.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.2 hours before the alert went out and 276 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 12:00Z on 2022-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 253 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 12:00Z on 2022-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 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
253 J/kg
Mixed-layer CIN
-261 J/kg
Mixed-layer LCL
1320 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 4:07 AM EDTBeach Hazards StatementMQTSchoolcraft17 hr
Sep 2, 5:38 PM EDTSevere Thunderstorm WarningMQTBaraga, Houghton37 min
Sep 2, 5:40 PM EDTSpecial Marine WarningMQT35 min
Sep 2, 5:50 PM EDTSpecial Weather StatementMQTOntonagon25 min
Sep 2, 6:16 PM EDTSpecial Marine WarningMQT29 min
Sep 2, 6:21 PM EDTSevere Thunderstorm WarningMQTGogebic24 min
Sep 2, 6:33 PM EDTSevere Thunderstorm WarningMQTBaraga, Houghton27 min
Sep 2, 6:48 PM EDTSpecial Marine WarningMQT27 min
Sep 2, 6:48 PM EDTSevere Thunderstorm WarningMQTGogebic42 min
Sep 2, 6:58 PM EDTSevere Thunderstorm WarningMQTBaraga, Marquette29 min
Sep 2, 7:14 PM EDTSpecial Marine WarningMQT31 min
Sep 2, 7:33 PM EDTSpecial Weather StatementMQTGogebic27 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2022Every severe thunderstorm warning in 2022

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; radar from the NEXRAD Level II archive.