Alert archive / Michigan / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 12, NWS Gaylord, MI

June 26, 2021Cheboygan County, Presque Isle County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jun 26, 2021, 5:18 PM EDT for Cheboygan County, Presque Isle County, Michigan. It was in force for 27 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 26, 2021, 5:18 PM EDT (21:18 UTC)
Expired
Jun 26, 2021, 5:45 PM EDT
In force
27 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Cheboygan County, MI, Presque Isle County, MI

The radar

The NCL Michigan radar (KAPX), 55 km from the middle of the area, began a volume at 21:21 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, 9.3 hours before the alert went out and 158 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 12:00Z on 2021-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 45 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 12:00Z on 2021-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.1939587897Sfc1 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
45 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
544 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

500 
WUUS53 KAPX 262118
SVRAPX
MIC031-141-262145-
/O.NEW.KAPX.SV.W.0012.210626T2118Z-210626T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gaylord MI
518 PM EDT Sat Jun 26 2021

The National Weather Service in Gaylord has issued a

* Severe Thunderstorm Warning for...
  Southeastern Cheboygan County in northern Michigan...
  West central Presque Isle County in northern Michigan...

* Until 545 PM EDT.

* At 517 PM EDT, a severe thunderstorm was located near Afton, or 12
  miles southeast of Indian River, moving northeast at 20 mph.

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

  SOURCE...Radar indicated.

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

* This severe thunderstorm will be near...
  Afton around 525 PM EDT.

Other locations in the path of this severe thunderstorm include
Koehler Township, Onaway, Tower and Onaway State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4523 8441 4524 8452 4535 8455 4559 8437
      4539 8403
TIME...MOT...LOC 2117Z 224DEG 19KT 4527 8447 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$

Cornish
1 follow-up statement
719 
WWUS53 KAPX 262130
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
530 PM EDT Sat Jun 26 2021

MIC031-141-262145-
/O.CON.KAPX.SV.W.0012.000000T0000Z-210626T2145Z/
Cheboygan MI-Presque Isle MI-
530 PM EDT Sat Jun 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR SOUTHEASTERN CHEBOYGAN AND WEST CENTRAL PRESQUE ISLE COUNTIES...

At 530 PM EDT, a severe thunderstorm was located over Afton, or 9
miles west of Onaway, moving northeast at 20 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
  Tower, Onaway State Park and Black Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4527 8441 4528 8446 4533 8448 4555 8430
      4552 8425 4544 8412
TIME...MOT...LOC 2130Z 224DEG 16KT 4531 8442 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$

Cornish

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 5:41 PM EDTSpecial Marine WarningAPX94 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.