Alert archive / Michigan / Special Weather Statements in 2022

Special Weather Statement, NWS Grand Rapids, MI

August 3, 2022Montcalm County, Michigan

NWS Grand Rapids, MI issued this special weather statement at Aug 3, 2022, 9:32 AM EDT for Montcalm County, Michigan. It was in force for 43 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 3, 2022, 9:32 AM EDT (13:32 UTC)
Expired
Aug 3, 2022, 10:15 AM EDT
In force
43 min
Issued by
NWS Grand Rapids, MI
Hail
0.75 in
Wind
40

County Montcalm County, MI

The radar

The Grand Rapids radar (KGRR), 58 km from the middle of the area, began a volume at 13:32 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, 1.5 hours before the alert went out and 159 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-pSkew-T log-p diagram, Detroit, MI at 12:00Z on 2022-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 2022-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1802 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
99 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 Aug 3, 7:30 AM EDT, 2 hours 2 minutes earlier.

Area forecast discussion, Aug 3, 7:30 AM EDT, 2 hours 2 minutes before
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Hazardous weather outlook, Aug 3, 4:00 AM EDT, 5 hours 32 minutes before
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
400 AM EDT Wed Aug 3 2022

MIZ037>040-043>046-050>052-056>059-064>067-071>074-040700-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
400 AM EDT Wed Aug 3 2022

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

.DAY ONE...Today and Tonight

Thunderstorms today, especially this afternoon and evening, may be
severe with pockets of damaging wind gusts. A brief tornado or
locally large hail cannot be ruled out. If storms tend to repeat
over the same areas, localized flooding is also possible.

Portions of southern Michigan may see heat index values surpass
100 degrees early this afternoon, making heat exhaustion or heat
stroke an increased concern.

Waves and currents on Lake Michigan today will result in a high
risk for swimmers.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Waves and currents on Thursday may pose a moderate swim risk for
some Lake Michigan beaches.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is possible today. Spotters are encouraged to
report local severe weather to the National Weather Service via
amateur radio networks, phone, social media, or email.

LMZ844>849-040700-
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-
400 AM EDT Wed Aug 3 2022

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

.DAY ONE...Today and Tonight

Winds and waves on Lake Michigan will be hazardous for small craft
and swimmers. A thunderstorm is also possible, which could bring
locally stronger winds and dangerous lightning strikes.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Waves and currents on Thursday may pose a moderate swim risk for
some Lake Michigan beaches.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is possible today. Spotters are encouraged to
report local severe weather to the National Weather Service via
amateur radio networks, phone, social media, or email.

In the hours before

Special weather statement, Aug 3, 9:25 AM EDT, 7 minutes before
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Special weather statement, Aug 3, 9:32 AM EDT, 0 minutes before
Special Weather Statement
National Weather Service Grand Rapids MI
932 AM EDT Wed Aug 3 2022

MIZ051-031415-
Montcalm MI-
932 AM EDT Wed Aug 3 2022

...A strong thunderstorm will impact portions of northern Montcalm
County through 1015 AM EDT...

At 932 AM EDT, Doppler radar was tracking a strong thunderstorm 7
miles southeast of Howard City, or 11 miles north of Greenville,
moving northeast at 40 mph.

HAZARD...Winds in excess of 40 mph and penny 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...
Edmore...              McBride...             Pierson...
Langston...            Westville...           Cedar Lake...
Entrican...            Six Lakes...           Trufant...
Vestaburg...           Turk Lake...           Wyman...
Coral...               Gowen...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4325 8531 4329 8532 4330 8556 4347 8513
      4346 8484 4338 8485
TIME...MOT...LOC 1332Z 245DEG 34KT 4333 8533

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH

NJJ

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 9:25 AM EDTSpecial Weather StatementGRRKent65 min
Aug 3, 10:40 AM EDTSpecial Weather StatementGRRKent65 min
Aug 3, 10:46 AM EDTSpecial Weather StatementGRRClare, Osceola59 min
Aug 3, 10:52 AM EDTSpecial Weather StatementGRRClinton, Gratiot, Ionia, Montcalm83 min
Aug 3, 11:06 AM EDTSevere Thunderstorm WarningGRRClare, Osceola39 min
Aug 3, 11:41 AM EDTSpecial Marine WarningGRR108 min
Aug 3, 12:06 PM EDTSpecial Weather StatementGRRIsabella54 min
Aug 3, 12:24 PM EDTSpecial Weather StatementGRRLake, Newaygo, Oceana, Osceola96 min
Aug 3, 1:03 PM EDTSpecial Weather StatementGRRClare117 min
Aug 3, 1:24 PM EDTSevere Thunderstorm WarningGRRClare28 min
Aug 3, 2:11 PM EDTSevere Thunderstorm WarningGRRGratiot, Isabella, Montcalm64 min
Aug 3, 2:33 PM EDTSevere Thunderstorm WarningGRRAllegan, Barry42 min
Aug 3, 2:48 PM EDTSevere Thunderstorm WarningGRRIonia57 min
Aug 3, 3:04 PM EDTSevere Thunderstorm WarningGRRClinton, Gratiot86 min
Aug 3, 3:05 PM EDTSpecial Marine WarningGRR55 min
Aug 3, 3:36 PM EDTSevere Thunderstorm WarningGRREaton, Ingham84 min
Aug 3, 3:50 PM EDTSevere Thunderstorm WarningGRRAllegan, Van Buren85 min
Aug 3, 3:56 PM EDTSpecial Marine WarningGRR64 min
Aug 3, 4:26 PM EDTAreal Flood AdvisoryGRRAllegan, Barry, Clinton, Eaton, Gratiot, Ionia and 1 more5 hr
Aug 3, 4:34 PM EDTSevere Thunderstorm WarningGRRKalamazoo56 min
Aug 3, 4:51 PM EDTSevere Thunderstorm WarningGRRBarry54 min
Aug 3, 5:05 PM EDTSevere Thunderstorm WarningGRRCalhoun55 min
Aug 3, 5:13 PM EDTAreal Flood AdvisoryGRRBarry, Clinton, Eaton, Ingham4 hr
Aug 3, 5:14 PM EDTSevere Thunderstorm WarningGRRIngham, Jackson61 min
Aug 3, 5:23 PM EDTSevere Thunderstorm WarningGRREaton21 min
Aug 3, 6:17 PM EDTSpecial Weather StatementGRRJackson58 min

Nearby

Special Weather Statements in Michigan, 2022Every 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.