Alert archive / Michigan / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 10, NWS Gaylord, MI

June 12, 2021Gladwin County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jun 12, 2021, 7:55 PM EDT for Gladwin County, Michigan. It was in force for 24 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
Jun 12, 2021, 7:55 PM EDT (23:55 UTC)
Expired
Jun 12, 2021, 8:19 PM EDT
In force
24 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Gladwin County, MI

The radar

The NCL Michigan radar (KAPX), 120 km from the middle of the area, began a volume at 23:54 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, 11.9 hours before the alert went out and 146 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 2021-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 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 2021-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 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
5 J/kg
Mixed-layer CIN
-240 J/kg
Mixed-layer LCL
714 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
118 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

476 
WUUS53 KAPX 122355
SVRAPX
MIC051-130030-
/O.NEW.KAPX.SV.W.0010.210612T2355Z-210613T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gaylord MI
755 PM EDT Sat Jun 12 2021

The National Weather Service in Gaylord has issued a

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

* Until 830 PM EDT.

* At 755 PM EDT, a severe thunderstorm was located over Winegars, or
  9 miles southeast of Gladwin, moving southeast at 25 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Rhodes around 810 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4386 8448 4394 8440 4399 8428 4394 8416
      4386 8416 4385 8417 4384 8416 4383 8417
      4383 8436 4381 8437 4381 8442
TIME...MOT...LOC 2355Z 305DEG 21KT 4389 8436 

HAIL...1.00IN
WIND...60MPH
 
$$

Cornish
2 follow-up statements
335 
WWUS53 KAPX 130011
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
811 PM EDT Sat Jun 12 2021

MIC051-130030-
/O.CON.KAPX.SV.W.0010.000000T0000Z-210613T0030Z/
Gladwin MI-
811 PM EDT Sat Jun 12 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR SOUTHEASTERN GLADWIN COUNTY...

At 810 PM EDT, a severe thunderstorm was located near Edenville, or
10 miles north of Sanford, moving southeast at 25 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

This severe thunderstorm will remain over mainly rural areas of
southeastern Gladwin County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4384 8441 4389 8432 4388 8416 4386 8416
      4385 8417 4384 8416 4383 8417 4383 8436
      4381 8437 4381 8441
TIME...MOT...LOC 0010Z 312DEG 20KT 4382 8430 

HAIL...1.00IN
WIND...60MPH
 
$$

Cornish
949 
WWUS53 KAPX 130019
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
819 PM EDT Sat Jun 12 2021

MIC051-130029-
/O.CAN.KAPX.SV.W.0010.000000T0000Z-210613T0030Z/
Gladwin MI-
819 PM EDT Sat Jun 12 2021

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

LAT...LON 4384 8441 4389 8432 4388 8416 4386 8416
      4385 8417 4384 8416 4383 8417 4383 8436
      4381 8437 4381 8441
TIME...MOT...LOC 0018Z 305DEG 21KT 4379 8424 

$$

Cornish

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 4:30 PM EDTSpecial Weather StatementAPXOgemaw, Roscommon45 min
Jun 12, 6:18 PM EDTSpecial Weather StatementAPXEmmet42 min
Jun 12, 6:21 PM EDTSevere Thunderstorm WarningAPXMontmorency, Oscoda40 min
Jun 12, 6:29 PM EDTSevere Thunderstorm WarningAPXGladwin, Roscommon48 min
Jun 12, 6:44 PM EDTSevere Thunderstorm WarningAPXGladwin, Roscommon46 min
Jun 12, 6:55 PM EDTSevere Thunderstorm WarningAPXOgemaw, Roscommon31 min
Jun 12, 7:22 PM EDTSevere Thunderstorm WarningAPXGladwin38 min
Jun 12, 7:24 PM EDTSevere Thunderstorm WarningAPXAlcona51 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.