Alert archive / Michigan / Special Weather Statements in 2023

Special Weather Statement, NWS Gaylord, MI

August 3, 2023Chippewa County, Michigan

NWS Gaylord, MI issued this special weather statement at Aug 3, 2023, 3:11 PM EDT for Chippewa County, Michigan. It was in force for 34 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, 2023, 3:11 PM EDT (19:11 UTC)
Expired: Aug 3, 2023, 3:45 PM EDT
In force: 34 min
Issued by: NWS Gaylord, MI
Hail: 0.50 in
Wind: 30

County Chippewa County, MI

The radar

The NCL Michigan radar (KAPX), 131 km from the middle of the area, began a volume at 19:13 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

Alpena, MI (KAPX), launched 12:00Z, 7.2 hours before the alert went out and 191 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: 54 J/kg
Mixed-layer CIN: -225 J/kg
Mixed-layer LCL: 1461 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 83 m²/s²
0-3 km storm-relative helicity: 76 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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 Gaylord, MI wrote its last area forecast discussion before this special weather statement went out at Aug 3, 2:04 PM EDT, 1 hour 7 minutes earlier.

Area forecast discussion, Aug 3, 2:04 PM EDT, 1 hour 7 minutes before

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Hazardous weather outlook, Aug 3, 11:24 AM EDT, 3 hours 47 minutes before

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In the hours before

Special weather statement, Aug 3, 10:17 AM EDT, 4 hours 54 minutes before

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Local storm report, Aug 3, 10:53 AM EDT, 4 hours 18 minutes before

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Special weather statement, Aug 3, 1:46 PM EDT, 1 hour 25 minutes before

Special Weather Statement
National Weather Service Gaylord MI
146 PM EDT Thu Aug 3 2023

MIZ087-088-096-031830-
Southeast Chippewa MI-Eastern Mackinac MI-Central Chippewa MI-
146 PM EDT Thu Aug 3 2023

...A strong thunderstorm will impact portions of south central
Chippewa and northeastern Mackinac Counties through 230 PM EDT...

At 145 PM EDT, Doppler radar was tracking a strong thunderstorm near
Pickford, or 21 miles south of Sault Ste. Marie, moving southeast at
25 mph.

HAZARD...Half inch hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to outdoor objects is possible.

This strong thunderstorm will be near...
  Pickford and Kelden around 150 PM EDT.
  Stalwart around 155 PM EDT.

Other locations in the path of this storm include Goetzville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 4627 8437 4620 8408 4615 8401 4612 8401
      4610 8397 4606 8396 4606 8391 4595 8388
      4591 8401 4594 8409 4595 8418 4616 8458
      4629 8458
TIME...MOT...LOC 1745Z 304DEG 21KT 4619 8445

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...<30 MPH

Cornish

Special weather statement, Aug 3, 3:11 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Gaylord MI
311 PM EDT Thu Aug 3 2023

MIZ096-031945-
Eastern Mackinac MI-
311 PM EDT Thu Aug 3 2023

...A strong thunderstorm will impact portions of northeastern
Mackinac County through 345 PM EDT...

At 311 PM EDT, Doppler radar was tracking a strong thunderstorm 7
miles northwest of Hessel, or 16 miles north of Mackinac Island,
moving southeast at 25 mph.

HAZARD...Winds in excess of 30 mph and half inch hail.

SOURCE...Radar indicated.

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

This strong thunderstorm will be near...
  Cedarville and Hessel around 315 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4609 8436 4607 8436 4607 8432 4604 8423
      4593 8439 4607 8463 4615 8454
TIME...MOT...LOC 1911Z 305DEG 21KT 4608 8452

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 3, 10:17 AM EDT	Special Weather Statement	APX	Chippewa	28 min
Aug 3, 1:46 PM EDT	Special Weather Statement	APX	Chippewa	44 min
Aug 3, 3:28 PM EDT	Special Marine Warning	APX		29 min
Aug 3, 3:50 PM EDT	Special Marine Warning	APX		21 min
Aug 3, 5:28 PM EDT	Severe Thunderstorm Warning	APX	Benzie, Grand Traverse, Leelanau	47 min
Aug 3, 5:39 PM EDT	Special Marine Warning	APX		27 min
Aug 3, 5:48 PM EDT	Severe Thunderstorm Warning	APX	Grand Traverse, Kalkaska	42 min
Aug 3, 6:37 PM EDT	Severe Thunderstorm Warning	APX	Crawford, Kalkaska, Roscommon	27 min

Nearby

Special Weather Statements in Michigan, 2023 Every special weather statement in 2023

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.