Alert archive / Michigan / Special Weather Statements in 2022

Special Weather Statement, NWS Grand Rapids, MI

September 19, 2022Kalamazoo County, Michigan

NWS Grand Rapids, MI issued this special weather statement at Sep 19, 2022, 2:21 AM EDT for Kalamazoo County, Michigan. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Sep 19, 2022, 2:21 AM EDT (06:21 UTC)
Expired: Sep 19, 2022, 3:15 AM EDT
In force: 54 min
Issued by: NWS Grand Rapids, MI
Hail: 0.25 in
Wind: 40

County Kalamazoo County, MI

The radar

The Grand Rapids radar (KGRR), 86 km from the middle of the area, began a volume at 06:21 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 00:00Z, 6.4 hours before the alert went out and 202 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: 676 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 1166 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 79 m²/s²
0-3 km storm-relative helicity: 28 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Sep 19, 12:01 AM EDT, 2 hours 20 minutes earlier.

Area forecast discussion, Sep 19, 12:01 AM EDT, 2 hours 20 minutes before

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In the hours before

Special weather statement, Sep 19, 2:17 AM EDT, 4 minutes before

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Special weather statement, Sep 19, 2:21 AM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 19, 1:25 AM EDT	Special Marine Warning	GRR		111 min
Sep 19, 2:17 AM EDT	Special Weather Statement	GRR	Kalamazoo	58 min
Sep 19, 3:15 AM EDT	Special Weather Statement	GRR	Calhoun, Kalamazoo	60 min
Sep 19, 3:32 AM EDT	Special Weather Statement	GRR	Eaton	58 min
Sep 19, 3:45 AM EDT	Special Weather Statement	GRR	Jackson	90 min
Sep 19, 3:52 AM EDT	Special Weather Statement	GRR	Ingham	83 min

Nearby

Special Weather Statements in Michigan, 2022 Every special weather statement 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.