Alert archive / Michigan / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 5, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Jun 12, 2021, 6:29 PM EDT for Gladwin County, Roscommon County, Michigan. It was in force for 48 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, 6:29 PM EDT (22:29 UTC)
- Expired
- Jun 12, 2021, 7:17 PM EDT
- In force
- 48 min
- Issued by
- NWS Gaylord, MI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Gladwin County, MI, Roscommon County, MI
The radar
The NCL Michigan radar (KAPX), 74 km from the middle of the area, began a volume at 22:31 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, 10.5 hours before the alert went out and 198 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
- 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
The text
As transmitted.
482
WUUS53 KAPX 122229
SVRAPX
MIC051-143-122330-
/O.NEW.KAPX.SV.W.0005.210612T2229Z-210612T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gaylord MI
629 PM EDT Sat Jun 12 2021
The National Weather Service in Gaylord has issued a
* Severe Thunderstorm Warning for...
Northwestern Gladwin County in northern Michigan...
Southern Roscommon County in northern Michigan...
* Until 730 PM EDT.
* At 628 PM EDT, a severe thunderstorm was located over Houghton
Lake, moving east at 20 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...
Houghton Lake around 635 PM EDT.
Other locations in the path of this severe thunderstorm include
Prudenville, Roscommon Township, Nester Township and Twin Lakes Area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4423 8485 4430 8485 4433 8482 4428 8437
4410 8441
TIME...MOT...LOC 2228Z 290DEG 16KT 4428 8481
HAIL...1.00IN
WIND...60MPH
$$
Cornish3 follow-up statements
264
WWUS53 KAPX 122239
SVSAPX
Severe Weather Statement
National Weather Service Gaylord MI
639 PM EDT Sat Jun 12 2021
MIC051-143-122330-
/O.CON.KAPX.SV.W.0005.000000T0000Z-210612T2330Z/
Gladwin MI-Roscommon MI-
639 PM EDT Sat Jun 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR NORTHWESTERN GLADWIN AND SOUTHERN ROSCOMMON COUNTIES...
At 638 PM EDT, a severe thunderstorm was located near Roscommon
Township, or near Houghton Lake, moving southeast at 15 mph.
HAZARD...Two inch hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Roscommon Township and Nester Township.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4423 8485 4427 8485 4429 8481 4421 8439
4410 8441
TIME...MOT...LOC 2238Z 307DEG 15KT 4424 8478
HAIL...2.00IN
WIND...60MPH
$$
Cornish282
WWUS53 KAPX 122259
SVSAPX
Severe Weather Statement
National Weather Service Gaylord MI
659 PM EDT Sat Jun 12 2021
MIC051-143-122330-
/O.CON.KAPX.SV.W.0005.000000T0000Z-210612T2330Z/
Gladwin MI-Roscommon MI-
659 PM EDT Sat Jun 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR NORTHWESTERN GLADWIN AND SOUTHERN ROSCOMMON COUNTIES...
At 658 PM EDT, a severe thunderstorm was located near Roscommon
Township, or 8 miles south of Prudenville, 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.
Locations impacted include...
Nester Township and Roscommon Township.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4423 8485 4424 8473 4425 8464 4421 8439
4410 8441
TIME...MOT...LOC 2258Z 304DEG 20KT 4417 8468
HAIL...1.00IN
WIND...60MPH
$$
Cornish525
WWUS53 KAPX 122317
SVSAPX
Severe Weather Statement
National Weather Service Gaylord MI
717 PM EDT Sat Jun 12 2021
MIC051-143-122326-
/O.CAN.KAPX.SV.W.0005.000000T0000Z-210612T2330Z/
Gladwin MI-Roscommon MI-
717 PM EDT Sat Jun 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN GLADWIN AND
SOUTHERN ROSCOMMON COUNTIES IS CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
Remember, a Severe Thunderstorm Warning still remains in effect for
portions of southwest Roscommon county and northwest Gladwin county
further south of the original warning.
LAT...LON 4423 8485 4424 8473 4425 8464 4421 8439
4410 8441
TIME...MOT...LOC 2316Z 290DEG 16KT 4414 8457
$$
CornishThe 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, 6:44 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, 7:24 PM EDT | Severe Thunderstorm Warning | APX | Alcona | 51 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.