Alert archive / Michigan / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 53, NWS Detroit, MI

July 6, 1994Sanilac County, Michigan

NWS Detroit, MI issued this severe thunderstorm warning at Jul 6, 1994, 1:59 PM EDT for Sanilac County, Michigan. It was in force for 42 min.

The area

The counties it named.

The facts

Issued: Jul 6, 1994, 1:59 PM EDT (17:59 UTC)
Expired: Jul 6, 1994, 2:41 PM EDT
In force: 42 min
Issued by: NWS Detroit, MI
Area: Whole counties

County Sanilac County, MI

The nearest sounding before it

Detroit, MI (KFNT), launched 12:00Z, 6.0 hours before the alert went out and 103 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: 1873 J/kg
Mixed-layer CIN: -118 J/kg
Mixed-layer LCL: 1033 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 31 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.2

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.

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.

In the hours before

Special weather statement, Jul 6, 11:18 AM EDT, 2 hours 41 minutes before

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Special weather statement, Jul 6, 11:20 AM EDT, 2 hours 39 minutes before

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Local storm report, Jul 6, 12:18 PM EDT, 1 hour 41 minutes before

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Local storm report, Jul 6, 12:31 PM EDT, 1 hour 28 minutes before

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Special weather statement, Jul 6, 1:25 PM EDT, 34 minutes before

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Special weather statement, Jul 6, 1:25 PM EDT, 34 minutes before

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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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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 5, 8:30 PM EDT	Tornado Warning	DTX	Crawford, Roscommon	45 min
Jul 5, 9:07 PM EDT	Tornado Warning	DTX	Ogemaw	68 min
Jul 5, 9:41 PM EDT	Severe Thunderstorm Warning	DTX	Crawford, Roscommon	64 min
Jul 5, 10:08 PM EDT	Tornado Warning	DTX	Gladwin	67 min
Jul 5, 10:20 PM EDT	Severe Thunderstorm Warning	DTX	Ogemaw	35 min
Jul 5, 10:30 PM EDT	Tornado Warning	DTX	Ogemaw	46 min
Jul 6, 12:02 PM EDT	Severe Thunderstorm Warning	DTX	Tuscola	58 min
Jul 6, 1:12 PM EDT	Severe Thunderstorm Warning	DTX	Sanilac	48 min
Jul 6, 2:00 PM EDT	Severe Thunderstorm Warning	DTX	Sanilac	45 min
Jul 6, 2:06 PM EDT	Severe Thunderstorm Warning	DTX	Saint Clair	54 min
Jul 6, 5:27 PM EDT	Severe Thunderstorm Warning	DTX	Wayne	33 min
Jul 6, 5:51 PM EDT	Severe Thunderstorm Warning	DTX	Monroe, Wayne	60 min
Jul 6, 5:53 PM EDT	Tornado Warning	DTX	Ogemaw	37 min
Jul 6, 6:45 PM EDT	Tornado Warning	DTX	Ogemaw	30 min
Jul 6, 7:13 PM EDT	Severe Thunderstorm Warning	DTX	Bay	62 min
Jul 6, 7:13 PM EDT	Severe Thunderstorm Warning	DTX	Midland	33 min

Nearby

Severe Thunderstorm Warnings in Michigan, 1994 Every severe thunderstorm warning in 1994

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.