Alert archive / Michigan / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 8, NWS Marquette, MI

July 12, 2019Dickinson County, Iron County, Michigan

NWS Marquette, MI issued this severe thunderstorm warning at Jul 12, 2019, 3:57 PM CDT for Dickinson County, Iron County, Michigan. It was in force for 33 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 12, 2019, 3:57 PM CDT (20:57 UTC)
Expired: Jul 12, 2019, 4:30 PM CDT
In force: 33 min
Issued by: NWS Marquette, MI
Area: Storm-based polygon
Hail: 1.25 in
Wind: 70.0 mph

Counties Dickinson County, MI, Iron County, MI

The radar

The Marquette radar (KMQT), 69 km from the middle of the area, began a volume at 20:58 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

Minneapolis, MN (KMPX), launched 12:00Z, 9.0 hours before the alert went out and 444 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1558 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 179 m²/s²
0-3 km storm-relative helicity: 198 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 Marquette, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 12, 3:02 PM CDT, 55 minutes earlier.

Area forecast discussion, Jul 12, 3:02 PM CDT, 55 minutes before

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Hazardous weather outlook, Jul 12, 2:34 PM CDT, 1 hour 23 minutes before

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In the hours before

Special weather statement, Jul 12, 12:42 PM CDT, 3 hours 15 minutes before

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Local storm report, Jul 12, 1:09 PM CDT, 2 hours 48 minutes before

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Special weather statement, Jul 12, 1:14 PM CDT, 2 hours 43 minutes before

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Special weather statement, Jul 12, 1:27 PM CDT, 2 hours 30 minutes before

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Special weather statement, Jul 12, 1:57 PM CDT, 2 hours before

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Special weather statement, Jul 12, 3:11 PM CDT, 46 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 12, 3:30 AM CDT	Beach Hazards Statement	MQT	Schoolcraft	18 hr
Jul 12, 3:30 AM CDT	Small Craft Advisory	MQT		22 hr
Jul 12, 10:41 AM CDT	Special Weather Statement	MQT	Ontonagon	49 min
Jul 12, 11:28 AM CDT	Severe Thunderstorm Warning	MQT	Houghton, Ontonagon	47 min
Jul 12, 11:54 AM CDT	Special Weather Statement	MQT	Baraga	51 min
Jul 12, 12:06 PM CDT	Severe Thunderstorm Warning	MQT	Baraga, Houghton, Iron	39 min
Jul 12, 12:38 PM CDT	Severe Thunderstorm Warning	MQT	Baraga, Dickinson, Iron, Marquette	52 min
Jul 12, 12:42 PM CDT	Special Weather Statement	MQT	Marquette	48 min
Jul 12, 1:14 PM CDT	Special Weather Statement	MQT	Iron	46 min
Jul 12, 1:27 PM CDT	Special Weather Statement	MQT	Dickinson	48 min
Jul 12, 1:57 PM CDT	Special Weather Statement	MQT	Iron	48 min
Jul 12, 3:11 PM CDT	Special Weather Statement	MQT	Iron	34 min
Jul 12, 3:35 PM CDT	Severe Thunderstorm Warning	MQT	Dickinson, Iron, Marquette	25 min
Jul 12, 4:16 PM CDT	Special Weather Statement	MQT	Dickinson	29 min
Jul 12, 4:18 PM CDT	Special Weather Statement	MQT	Iron	12 min
Jul 12, 4:27 PM CDT	Special Weather Statement	MQT	Dickinson, Iron	33 min
Jul 12, 4:44 PM CDT	Special Weather Statement	MQT	Marquette	31 min

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.