Alert archive / Michigan / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 12, NWS Detroit, MI

May 19, 2019Livingston County, Michigan

NWS Detroit, MI issued this severe thunderstorm warning at May 19, 2019, 8:58 PM EDT for Livingston County, Michigan. It was in force for 15 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: May 19, 2019, 8:58 PM EDT (00:58 UTC)
Expired: May 19, 2019, 9:13 PM EDT
In force: 15 min
Issued by: NWS Detroit, MI
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Livingston County, MI

The radar

The Detroit radar (KDTX), 38 km from the middle of the area, began a volume at 01:01 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.0 hours before the alert went out and 353 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: 10 J/kg
Mixed-layer CIN: -74 J/kg
Mixed-layer LCL: 1170 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 189 m²/s²
0-3 km storm-relative helicity: 199 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 May 19, 7:00 PM EDT, 1 hour 58 minutes earlier.

Area forecast discussion, May 19, 7:00 PM EDT, 1 hour 58 minutes before

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Hazardous weather outlook, May 19, 5:05 PM EDT, 3 hours 53 minutes before

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In the hours before

Local storm report, May 19, 3:03 PM EDT, 5 hours 55 minutes before

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Local storm report, May 19, 4:18 PM EDT, 4 hours 40 minutes before

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Local storm report, May 19, 4:45 PM EDT, 4 hours 13 minutes before

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Special weather statement, May 19, 6:35 PM EDT, 2 hours 23 minutes before

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Local storm report, May 19, 7:42 PM EDT, 1 hour 16 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
May 19, 8:41 PM EDT	Special Weather Statement	DTX	Livingston	64 min
May 19, 9:23 PM EDT	Small Craft Advisory	DTX		25 hr

Nearby

Severe Thunderstorm Warnings in Michigan, 2019 Every severe thunderstorm warning in 2019

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.