Alert archive / Michigan / Flash Flood Warnings in 2022

Flash Flood Warning 1, NWS Marquette, MI

May 12, 2022Dickinson County, Michigan

NWS Marquette, MI issued this flash flood warning at May 12, 2022, 3:13 PM CDT for Dickinson County, Michigan. It was in force for 3 hr. 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 12, 2022, 3:13 PM CDT (20:13 UTC)
Expired: May 12, 2022, 6:28 PM CDT
In force: 3 hr
Issued by: NWS Marquette, MI
Area: Storm-based polygon
Flood severity: None

County Dickinson County, MI

The radar

The Marquette radar (KMQT), 63 km from the middle of the area, began a volume at 20:12 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, 8.2 hours before the alert went out and 171 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: 1765 J/kg
Mixed-layer CIN: -111 J/kg
Mixed-layer LCL: 752 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 239 m²/s²
0-3 km storm-relative helicity: 259 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at May 12, 2:35 PM CDT, 38 minutes earlier.

Area forecast discussion, May 12, 2:35 PM CDT, 38 minutes before

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Hazardous weather outlook, May 12, 3:07 PM CDT, 6 minutes before

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In the hours before

Special weather statement, May 12, 2:12 PM CDT, 1 hour 1 minute before

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Special weather statement, May 12, 2:15 PM CDT, 58 minutes before

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Local storm report, May 12, 2:31 PM CDT, 42 minutes before

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Local storm report, May 12, 2:40 PM CDT, 33 minutes before

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Local storm report, May 12, 2:54 PM CDT, 19 minutes before

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Special weather statement, May 12, 2:57 PM CDT, 16 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
May 11, 8:57 PM CDT	Marine Dense Fog Advisory	MQT		15 hr
May 11, 11:22 PM CDT	Special Weather Statement	MQT	Gogebic	53 min
May 11, 11:49 PM CDT	Special Weather Statement	MQT	Gogebic, Iron, Ontonagon	56 min
May 12, 12:13 AM CDT	Special Weather Statement	MQT	Gogebic, Iron, Ontonagon	62 min
May 12, 12:46 AM CDT	Special Weather Statement	MQT	Gogebic, Ontonagon	59 min
May 12, 1:41 AM CDT	Special Weather Statement	MQT	Iron	34 min
May 12, 4:09 AM CDT	Special Weather Statement	MQT	Alger	36 min
May 12, 4:15 AM CDT	Special Marine Warning	MQT		30 min
May 12, 4:22 AM CDT	Special Marine Warning	MQT		38 min
May 12, 4:41 AM CDT	Special Marine Warning	MQT		34 min
May 12, 4:49 AM CDT	Special Weather Statement	MQT	Alger, Delta, Schoolcraft	41 min
May 12, 4:59 AM CDT	Special Marine Warning	MQT		46 min
May 12, 5:20 AM CDT	Special Weather Statement	MQT	Luce	40 min
May 12, 8:23 AM CDT	Special Marine Warning	MQT		11 min
May 12, 8:31 AM CDT	Special Marine Warning	MQT		44 min
May 12, 9:07 AM CDT	Special Marine Warning	MQT		23 min
May 12, 12:25 PM CDT	Marine Dense Fog Advisory	MQT		20 hr
May 12, 2:10 PM CDT	Special Weather Statement	MQT	Dickinson	35 min
May 12, 2:12 PM CDT	Special Weather Statement	MQT	Dickinson	33 min
May 12, 2:15 PM CDT	Special Weather Statement	MQT	Dickinson	30 min
May 12, 2:32 PM CDT	Severe Thunderstorm Warning	MQT	Dickinson, Menominee	43 min
May 12, 2:57 PM CDT	Special Weather Statement	MQT	Gogebic	33 min
May 12, 2:58 PM CDT	Areal Flood Advisory	MQT	Dickinson	15 min
May 12, 3:23 PM CDT	Special Marine Warning	MQT		37 min
May 12, 3:34 PM CDT	Severe Thunderstorm Warning	MQT	Dickinson, Menominee	41 min
May 12, 4:02 PM CDT	Special Marine Warning	MQT		28 min
May 12, 4:07 PM CDT	Severe Thunderstorm Warning	MQT	Delta, Menominee	38 min
May 12, 4:26 PM CDT	Special Marine Warning	MQT		20 min
May 12, 4:29 PM CDT	Areal Flood Advisory	MQT	Dickinson	2 hr
May 12, 4:40 PM CDT	Areal Flood Advisory	MQT	Marquette	103 min
May 12, 4:41 PM CDT	Severe Thunderstorm Warning	MQT	Baraga, Dickinson, Gogebic, Iron	34 min
May 12, 4:51 PM CDT	Special Marine Warning	MQT		39 min
May 12, 5:04 PM CDT	Areal Flood Advisory	MQT	Marquette	84 min
May 12, 5:30 PM CDT	Areal Flood Advisory	MQT	Marquette	60 min

Nearby

Flash Flood Warnings in Michigan, 2022 Every flash flood 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.