Alert archive / Michigan / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 9, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Jun 12, 2021, 7:24 PM EDT for Alcona County, Michigan. It was in force for 51 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, 7:24 PM EDT (23:24 UTC)
- Expired
- Jun 12, 2021, 8:15 PM EDT
- In force
- 51 min
- Issued by
- NWS Gaylord, MI
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 60.0 mph
County Alcona County, MI
The radar
The NCL Michigan radar (KAPX), 107 km from the middle of the area, began a volume at 23:26 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.
The nearest sounding before it
Alpena, MI (KAPX), launched 12:00Z, 11.4 hours before the alert went out and 89 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 725 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- -48 m²/s²
- 0-3 km storm-relative helicity
- -21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
517
WUUS53 KAPX 122324
SVRAPX
MIC001-130015-
/O.NEW.KAPX.SV.W.0009.210612T2324Z-210613T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gaylord MI
724 PM EDT Sat Jun 12 2021
The National Weather Service in Gaylord has issued a
* Severe Thunderstorm Warning for...
Alcona County in northern Michigan...
* Until 815 PM EDT.
* At 724 PM EDT, a severe thunderstorm was located near Curran, or 11
miles southwest of The Town Of Hubbard Lake, moving east at 25 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* This severe thunderstorm will be near...
Barton City around 740 PM EDT.
Other locations in the path of this severe thunderstorm include
Hubbard Lake, Spruce, Lost Lake Woods, Lincoln, Harrisville, Black
River, Negwegon State Park and Harrisville State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4461 8326 4457 8327 4466 8384 4484 8384
4485 8324 4475 8325 4471 8322
TIME...MOT...LOC 2324Z 270DEG 22KT 4476 8374
HAIL...1.75IN
WIND...60MPH
$$
JZ2 follow-up statements
374
WWUS53 KAPX 122339
SVSAPX
Severe Weather Statement
National Weather Service Gaylord MI
739 PM EDT Sat Jun 12 2021
MIC001-130015-
/O.CON.KAPX.SV.W.0009.000000T0000Z-210613T0015Z/
Alcona MI-
739 PM EDT Sat Jun 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR NORTHERN ALCONA COUNTY...
At 738 PM EDT, a severe thunderstorm was located 9 miles south of
the town of Hubbard Lake, moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Spruce, Lost Lake Woods, Lincoln, Black River, Negwegon State
Park, Harrisville and Harrisville State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4459 8327 4464 8373 4484 8370 4485 8324
4475 8325 4471 8322
TIME...MOT...LOC 2338Z 273DEG 22KT 4475 8362
HAIL...1.00IN
WIND...60MPH
$$
JZ090
WWUS53 KAPX 122358
SVSAPX
Severe Weather Statement
National Weather Service Gaylord MI
758 PM EDT Sat Jun 12 2021
MIC001-130015-
/O.CON.KAPX.SV.W.0009.000000T0000Z-210613T0015Z/
Alcona MI-
758 PM EDT Sat Jun 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR NORTHEASTERN ALCONA COUNTY...
At 758 PM EDT, a severe thunderstorm was located over Lost Lake
Woods, or 9 miles south of Ossineke, moving east 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.
Locations impacted include...
Black River and Negwegon State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4469 8323 4471 8351 4484 8352 4485 8349
4485 8324 4475 8325 4471 8322
TIME...MOT...LOC 2358Z 260DEG 22KT 4477 8345
HAIL...1.00IN
WIND...60MPH
$$
JZThe office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 4:30 PM EDT | Special Weather Statement | APX | Ogemaw, Roscommon | 45 min |
| Jun 12, 6:18 PM EDT | Special Weather Statement | APX | Emmet | 42 min |
| Jun 12, 6:21 PM EDT | Severe Thunderstorm Warning | APX | Montmorency, Oscoda | 40 min |
| Jun 12, 6:29 PM EDT | Severe Thunderstorm Warning | APX | Gladwin, Roscommon | 48 min |
| Jun 12, 6:44 PM EDT | Severe Thunderstorm Warning | APX | Gladwin, Roscommon | 46 min |
| Jun 12, 6:55 PM EDT | Severe Thunderstorm Warning | APX | Ogemaw, Roscommon | 31 min |
| Jun 12, 7:22 PM EDT | Severe Thunderstorm Warning | APX | Gladwin | 38 min |
| Jun 12, 7:55 PM EDT | Severe Thunderstorm Warning | APX | Gladwin | 24 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.