Alert archive / Michigan / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 65, NWS Detroit, MI

July 23, 2023Wayne County, Michigan

NWS Detroit, MI issued this severe thunderstorm warning at Jul 23, 2023, 3:17 PM EDT for Wayne County, Michigan. It was in force for 29 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: Jul 23, 2023, 3:17 PM EDT (19:17 UTC)
Expired: Jul 23, 2023, 3:46 PM EDT
In force: 29 min
Issued by: NWS Detroit, MI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Wayne County, MI

The radar

The Detroit radar (KDTX), 49 km from the middle of the area, began a volume at 19:17 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

Alpena, MI (KAPX), launched 12:00Z, 7.3 hours before the alert went out and 317 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: 80 J/kg
Mixed-layer CIN: -60 J/kg
Mixed-layer LCL: 1296 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: -5 m²/s²
0-3 km storm-relative helicity: 15 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Detroit, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 23, 12:29 PM EDT, 2 hours 48 minutes earlier.

Area forecast discussion, Jul 23, 12:29 PM EDT, 2 hours 48 minutes before

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Hazardous weather outlook, Jul 23, 3:11 AM EDT, 12 hours 6 minutes before

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In the hours before

Special weather statement, Jul 23, 2:16 PM EDT, 1 hour 1 minute before

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Special weather statement, Jul 23, 2:19 PM EDT, 58 minutes before

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Special weather statement, Jul 23, 2:52 PM EDT, 25 minutes before

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Special weather statement, Jul 23, 3:09 PM EDT, 8 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 8:35 PM EDT	Special Weather Statement	DTX	Sanilac	55 min
Jul 23, 2:16 PM EDT	Special Weather Statement	DTX	Saint Clair	44 min
Jul 23, 2:19 PM EDT	Special Weather Statement	DTX	Sanilac	26 min
Jul 23, 2:52 PM EDT	Special Weather Statement	DTX	Genesee	23 min
Jul 23, 3:09 PM EDT	Special Weather Statement	DTX	Wayne	36 min
Jul 23, 3:27 PM EDT	Special Weather Statement	DTX	Macomb	33 min
Jul 23, 4:10 PM EDT	Special Weather Statement	DTX	Saint Clair	65 min
Jul 23, 4:40 PM EDT	Special Weather Statement	DTX	Huron	50 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2023 Every severe thunderstorm warning in 2023

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.