Alert archive / Michigan / Special Weather Statements in 2019

Special Weather Statement, NWS Grand Rapids, MI

August 5, 2019Ionia County, Kent County, Montcalm County, Michigan

NWS Grand Rapids, MI issued this special weather statement at Aug 5, 2019, 11:52 PM EDT for Ionia County, Kent County, Montcalm County, Michigan. It was in force for 83 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: Aug 5, 2019, 11:52 PM EDT (03:52 UTC)
Expired: Aug 6, 2019, 1:15 AM EDT
In force: 83 min
Issued by: NWS Grand Rapids, MI

Counties Ionia County, MI, Kent County, MI, Montcalm County, MI

The radar

The Grand Rapids radar (KGRR), 24 km from the middle of the area, began a volume at 03:52 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 00:00Z, 3.9 hours before the alert went out and 269 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: 58 J/kg
Mixed-layer CIN: -168 J/kg
Mixed-layer LCL: 1587 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 68 m²/s²
0-3 km storm-relative helicity: 182 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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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 5, 9:30 PM EDT	Special Weather Statement	GRR	Clare, Isabella, Kent, Mecosta, Montcalm, Muskegon and 3 more	90 min
Aug 5, 10:06 PM EDT	Special Marine Warning	GRR		114 min
Aug 5, 10:12 PM EDT	Special Weather Statement	GRR	Newaygo, Oceana	93 min
Aug 5, 11:28 PM EDT	Special Weather Statement	GRR	Muskegon, Oceana, Ottawa	92 min
Aug 6, 12:15 AM EDT	Special Marine Warning	GRR		2 hr
Aug 6, 12:22 AM EDT	Special Weather Statement	GRR	Allegan, Van Buren	113 min

Nearby

Special Weather Statements in Michigan, 2019 Every special weather statement 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.