Alert archive / Michigan / Special Weather Statements in 2025

Special Weather Statement, NWS Gaylord, MI

August 12, 2025Cheboygan County, Michigan

NWS Gaylord, MI issued this special weather statement at Aug 12, 2025, 11:10 PM EDT for Cheboygan County, Michigan. It was in force for 20 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 12, 2025, 11:10 PM EDT (03:10 UTC)
Expired
Aug 12, 2025, 11:30 PM EDT
In force
20 min
Issued by
NWS Gaylord, MI
Hail
0.00 in
Wind
40

County Cheboygan County, MI

The radar

The NCL Michigan radar (KAPX), 97 km from the middle of the area, began a volume at 03:12 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 00:00Z, 3.2 hours before the alert went out and 178 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, Alpena, MI at 00:00Z on 2025-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Alpena, MI at 00:00Z on 2025-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.19395878Sfc1 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
25 J/kg
Mixed-layer CIN
-125 J/kg
Mixed-layer LCL
1178 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
93 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

470 
WWUS83 KAPX 130310
SPSAPX

Special Weather Statement
National Weather Service Gaylord MI
1110 PM EDT Tue Aug 12 2025
 
MIZ097-130330-
Mackinac Island/Bois Blanc Island MI-
1110 PM EDT Tue Aug 12 2025

...A STRONG THUNDERSTORM WILL IMPACT EASTERN BOIS BLANC ISLAND 
THROUGH 1130 PM EDT...

At 1109 PM EDT, Doppler radar was tracking a strong thunderstorm 
over Point Aux Pins on Bois Blanc Island, moving east at 30 mph.

HAZARD...Wind gusts up to 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Locations impacted include...
Point Aux Pins on Bois Blanc Island.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

Persons in campgrounds should consider seeking sturdy shelter until
this storm passes.

&&

LAT...LON 4574 8454 4578 8453 4582 8443 4577 8434
      4571 8440
TIME...MOT...LOC 0309Z 268DEG 26KT 4574 8450 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

$$

Dippman

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 8:12 PM EDTSpecial Marine WarningAPX72 min
Aug 12, 8:18 PM EDTSpecial Weather StatementAPXChippewa, Mackinac57 min
Aug 12, 8:51 PM EDTSpecial Marine WarningAPX32 min
Aug 12, 9:08 PM EDTSpecial Marine WarningAPX67 min
Aug 12, 9:21 PM EDTSpecial Weather StatementAPXChippewa69 min
Aug 12, 9:30 PM EDTSpecial Weather StatementAPXCharlevoix45 min
Aug 12, 9:34 PM EDTSpecial Marine WarningAPX116 min
Aug 12, 9:47 PM EDTSpecial Marine WarningAPX103 min
Aug 12, 10:00 PM EDTSpecial Marine WarningAPX105 min
Aug 12, 10:04 PM EDTSpecial Marine WarningAPX86 min
Aug 12, 10:17 PM EDTSpecial Weather StatementAPXEmmet43 min
Aug 12, 10:44 PM EDTSpecial Weather StatementAPXCheboygan61 min
Aug 12, 11:01 PM EDTSpecial Weather StatementAPXEmmet59 min
Aug 12, 11:30 PM EDTSpecial Marine WarningAPX90 min

Nearby

Special Weather Statements in Michigan, 2025Every special weather statement in 2025

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.