Alert archive / Michigan / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 4, NWS Grand Rapids, MI

May 11, 2022Clare County, Isabella County, Michigan

NWS Grand Rapids, MI issued this severe thunderstorm warning at May 11, 2022, 10:02 AM EDT for Clare County, Isabella County, Michigan. It was in force for 58 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 11, 2022, 10:02 AM EDT (14:02 UTC)
Expired: May 11, 2022, 11:00 AM EDT
In force: 58 min
Issued by: NWS Grand Rapids, MI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Clare County, MI, Isabella County, MI

The radar

The Grand Rapids radar (KGRR), 117 km from the middle of the area, began a volume at 14:03 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

Detroit, MI (KDTX), launched 12:00Z, 2.0 hours before the alert went out and 167 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: 1271 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 69 m²/s²
0-3 km storm-relative helicity: 94 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 Grand Rapids, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at May 11, 7:54 AM EDT, 2 hours 8 minutes earlier.

Area forecast discussion, May 11, 7:54 AM EDT, 2 hours 8 minutes before

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Hazardous weather outlook, May 11, 4:52 AM EDT, 5 hours 10 minutes before

Hazardous Weather Outlook
National Weather Service Grand Rapids MI
452 AM EDT Wed May 11 2022

MIZ037>040-043>046-050>052-056>059-064>067-071>074-120900-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
452 AM EDT Wed May 11 2022

This hazardous weather outlook is for portions of southwest Lower
Michigan.

.DAY ONE...Today and Tonight

Isolated to scattered thunderstorms could produce some cloud to
ground lightning and briefly heavy rain.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Thunderstorms are possible Saturday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

LMZ844>849-120900-
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
452 AM EDT Wed May 11 2022

This hazardous weather outlook is for portions of southwest Lower
Michigan.

.DAY ONE...Today and Tonight

Areas of dense fog will persist into Thursday morning across all
zones.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

In the hours before

Special weather statement, May 11, 9:39 AM EDT, 23 minutes before

Special Weather Statement
National Weather Service Grand Rapids MI
939 AM EDT Wed May 11 2022

MIZ040-046-111430-
Isabella MI-Clare MI-
939 AM EDT Wed May 11 2022

...A strong thunderstorm will impact portions of northern Isabella
and southeastern Clare Counties through 1030 AM EDT...

At 939 AM EDT, Doppler radar was tracking a strong thunderstorm over
Clare, moving east at 20 mph.

HAZARD...Winds in excess of 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Clare...               Farwell...             Rosebush...
Delwin...              Loomis...              Weidman...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4410 8461 4366 8461 4373 8501
TIME...MOT...LOC 1339Z 284DEG 18KT 4383 8477

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

MJS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 11, 9:39 AM EDT	Special Weather Statement	GRR	Clare	51 min
May 11, 10:40 AM EDT	Special Weather Statement	GRR	Clare	65 min
May 11, 10:58 AM EDT	Severe Thunderstorm Warning	GRR	Isabella	47 min
May 11, 11:04 AM EDT	Special Weather Statement	GRR	Mecosta	26 min
May 11, 11:15 AM EDT	Areal Flood Advisory	GRR	Clare, Isabella	3 hr
May 11, 11:59 AM EDT	Areal Flood Warning	GRR	Clare, Isabella	21 hr
May 11, 12:07 PM EDT	Severe Thunderstorm Warning	GRR	Isabella, Mecosta	53 min
May 11, 12:11 PM EDT	Special Weather Statement	GRR	Osceola	94 min
May 11, 12:18 PM EDT	Severe Thunderstorm Warning	GRR	Osceola	32 min
May 11, 12:33 PM EDT	Areal Flood Advisory	GRR	Mecosta	6 hr
May 11, 12:55 PM EDT	Severe Thunderstorm Warning	GRR	Newaygo	65 min
May 11, 1:05 PM EDT	Areal Flood Advisory	GRR	Mecosta, Newaygo	6 hr
May 11, 1:10 PM EDT	Severe Thunderstorm Warning	GRR	Mecosta	43 min
May 11, 1:20 PM EDT	Areal Flood Warning	GRR	Mecosta	20 hr
May 11, 1:20 PM EDT	Special Weather Statement	GRR	Oceana	25 min
May 11, 1:50 PM EDT	Special Weather Statement	GRR	Oceana	40 min
May 11, 1:58 PM EDT	Severe Thunderstorm Warning	GRR	Newaygo	47 min
May 11, 2:18 PM EDT	Areal Flood Advisory	GRR	Oceana	3 hr
May 11, 2:29 PM EDT	Special Weather Statement	GRR	Muskegon, Oceana	61 min
May 11, 2:32 PM EDT	Special Marine Warning	GRR		58 min
May 11, 2:49 PM EDT	Severe Thunderstorm Warning	GRR	Oceana	26 min
May 11, 3:36 PM EDT	Special Marine Warning	GRR		54 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2022 Every severe thunderstorm 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.