Alert archive / Michigan / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 43, NWS Gaylord, MI

August 24, 2021Gladwin County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Aug 24, 2021, 6:25 PM EDT for Gladwin County, Michigan. It was in force for 52 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 24, 2021, 6:25 PM EDT (22:25 UTC)
Expired
Aug 24, 2021, 7:17 PM EDT
In force
52 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Gladwin County, MI

The radar

The NCL Michigan radar (KAPX), 113 km from the middle of the area, began a volume at 22:26 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.

What was reported inside it

TimeReportWhereRemark
Aug 24, 6:30 PM EDTTSTM WND DMG1 Nne Gladwin, MITREE DOWN ON M-18 NORTH OF GLADWIN. TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 10.4 hours before the alert went out and 155 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 2021-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 298 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, Detroit, MI at 12:00Z on 2021-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -57 square meters per square second.1939Sfc1 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
298 J/kg
Mixed-layer CIN
-182 J/kg
Mixed-layer LCL
1140 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-57 m²/s²
0-3 km storm-relative helicity
-89 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

134 
WUUS53 KAPX 242225
SVRAPX
MIC051-242330-
/O.NEW.KAPX.SV.W.0043.210824T2225Z-210824T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gaylord MI
625 PM EDT Tue Aug 24 2021

The National Weather Service in Gaylord has issued a

* Severe Thunderstorm Warning for...
  Gladwin County in northern Michigan...

* Until 730 PM EDT.

* At 624 PM EDT, severe thunderstorms were located along a line
  extending from 6 miles south of Roscommon Township to near
  Beaverton, moving east at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Severe thunderstorms will be near...
  Winegars around 630 PM EDT.
  Wooden Shoe Village around 635 PM EDT.

Other locations in the path of these severe thunderstorms include
Rhodes, Hockaday, Gladwin and Bowmanville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4382 8460 4416 8461 4416 8417 4383 8417
      4383 8436 4381 8437
TIME...MOT...LOC 2224Z 255DEG 30KT 4412 8471 4386 8442 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

JZ
5 follow-up statements
348 
WWUS53 KAPX 242238
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
638 PM EDT Tue Aug 24 2021

MIC051-242330-
/O.CON.KAPX.SV.W.0043.000000T0000Z-210824T2330Z/
Gladwin MI-
638 PM EDT Tue Aug 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR GLADWIN COUNTY...

At 637 PM EDT, severe thunderstorms were located along a line
extending from near Skeels to near Winegars, moving east at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated. Power lines were downed in the Beaverton 
         area.

IMPACT...Expect damage to roofs, siding, and trees.

These severe storms will be near...
  Winegars around 640 PM EDT.
  Wooden Shoe Village around 645 PM EDT.
  Rhodes and Hockaday around 700 PM EDT.
  Bowmanville around 715 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4382 8460 4416 8461 4416 8417 4383 8417
      4383 8436 4381 8437
TIME...MOT...LOC 2237Z 255DEG 23KT 4413 8464 4387 8436 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

JZ
162 
WWUS53 KAPX 242251
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
651 PM EDT Tue Aug 24 2021

MIC051-242330-
/O.CON.KAPX.SV.W.0043.000000T0000Z-210824T2330Z/
Gladwin MI-
651 PM EDT Tue Aug 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR GLADWIN COUNTY...

At 650 PM EDT, severe thunderstorms were located along a line
extending from near Nester Township to near Rhodes, moving east at 35
mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated. A tree and power lines were downed in the
         Beaverton area.

IMPACT...Expect damage to roofs, siding, and trees.

These severe storms will be near...
  Rhodes around 655 PM EDT.
  Bowmanville around 705 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4397 8460 4416 8461 4416 8417 4383 8417
      4383 8436 4381 8437
TIME...MOT...LOC 2250Z 263DEG 33KT 4415 8451 4384 8417 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH

$$

JZ
870 
WWUS53 KAPX 242303
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
703 PM EDT Tue Aug 24 2021

MIC051-242330-
/O.CON.KAPX.SV.W.0043.000000T0000Z-210824T2330Z/
Gladwin MI-
703 PM EDT Tue Aug 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR GLADWIN COUNTY...

At 702 PM EDT, severe thunderstorms were located along a line
extending from near Bowmanville to near Pinconning, moving east at 35
mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

These severe thunderstorms will affect northeast Gladwin County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4416 8461 4416 8417 4383 8417 4383 8427
      4407 8461
TIME...MOT...LOC 2302Z 259DEG 29KT 4414 8438 4386 8405 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

JZ
806 
WWUS53 KAPX 242311
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
711 PM EDT Tue Aug 24 2021

MIC051-242330-
/O.CON.KAPX.SV.W.0043.000000T0000Z-210824T2330Z/
Gladwin MI-
711 PM EDT Tue Aug 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR NORTHEASTERN GLADWIN COUNTY...

At 710 PM EDT, severe thunderstorms were located along a line
extending from Bowmanville to Pinconning, moving east at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...  
Northeastern Gladwin County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4416 8456 4416 8417 4389 8417 4409 8448
TIME...MOT...LOC 2310Z 255DEG 30KT 4415 8430 4387 8397 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

JZ
688 
WWUS53 KAPX 242317
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
717 PM EDT Tue Aug 24 2021

MIC051-242326-
/O.CAN.KAPX.SV.W.0043.000000T0000Z-210824T2330Z/
Gladwin MI-
717 PM EDT Tue Aug 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN GLADWIN COUNTY IS
CANCELLED...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.

LAT...LON 4416 8456 4416 8417 4389 8417 4409 8448
TIME...MOT...LOC 2314Z 255DEG 30KT 4416 8425 4388 8392 

$$

JZ

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 3:27 PM EDTSpecial Marine WarningAPX48 min
Aug 24, 3:30 PM EDTSpecial Weather StatementAPXManistee45 min
Aug 24, 4:05 PM EDTSpecial Weather StatementAPXManistee40 min
Aug 24, 4:39 PM EDTSpecial Weather StatementAPXWexford51 min
Aug 24, 5:53 PM EDTSpecial Weather StatementAPXGladwin37 min
Aug 24, 6:15 PM EDTSpecial Weather StatementAPXGladwin60 min
Aug 24, 6:47 PM EDTSevere Thunderstorm WarningAPXArenac58 min
Aug 24, 7:35 PM EDTSpecial Weather StatementAPXIosco25 min
Aug 24, 7:40 PM EDTSpecial Marine WarningAPX50 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2021Every severe thunderstorm warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.