Alert archive / Michigan / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 72, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Sep 7, 2021, 11:28 AM EDT for Crawford County, Kalkaska County, Michigan. It was in force for 47 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
- Sep 7, 2021, 11:28 AM EDT (15:28 UTC)
- Expired
- Sep 7, 2021, 12:15 PM EDT
- In force
- 47 min
- Issued by
- NWS Gaylord, MI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Crawford County, MI, Kalkaska County, MI
The radar
The NCL Michigan radar (KAPX), 26 km from the middle of the area, began a volume at 15:30 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, 3.5 hours before the alert went out and 197 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
- 1018 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 154 m²/s²
- 0-3 km storm-relative helicity
- 195 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
528
WUUS53 KAPX 071528
SVRAPX
MIC039-079-071615-
/O.NEW.KAPX.SV.W.0072.210907T1528Z-210907T1615Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gaylord MI
1128 AM EDT Tue Sep 7 2021
The National Weather Service in Gaylord has issued a
* Severe Thunderstorm Warning for...
Crawford County in northern Michigan...
Southeastern Kalkaska County in northern Michigan...
* Until 1215 PM EDT.
* At 1128 AM EDT, a severe thunderstorm was located over Sigma, or 9
miles southeast of Kalkaska, moving east at 55 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...
Grayling and Frederic around 1145 AM EDT.
Other locations in the path of this severe thunderstorm include
Hartwick Pines State Park and Lovells.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4458 8517 4466 8517 4474 8506 4486 8459
4485 8439 4458 8437
TIME...MOT...LOC 1528Z 254DEG 47KT 4464 8503
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Cornish2 follow-up statements
143
WWUS53 KAPX 071537
SVSAPX
Severe Weather Statement
National Weather Service Gaylord MI
1137 AM EDT Tue Sep 7 2021
MIC039-079-071615-
/O.CON.KAPX.SV.W.0072.000000T0000Z-210907T1615Z/
Crawford MI-Kalkaska MI-
1137 AM EDT Tue Sep 7 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM EDT
FOR CENTRAL CRAWFORD AND EAST CENTRAL KALKASKA COUNTIES...
At 1137 AM EDT, a severe thunderstorm was located near Bear Lake, or
8 miles west of Grayling, moving east at 50 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
This severe storm will be near...
Grayling around 1145 AM EDT.
Other locations in the path of this severe thunderstorm include
Hartwick Pines State Park and Lovells.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4460 8502 4466 8499 4471 8490 4478 8469
4485 8439 4458 8437
TIME...MOT...LOC 1537Z 257DEG 48KT 4466 8488
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Cornish442
WWUS53 KAPX 071602
SVSAPX
Severe Weather Statement
National Weather Service Gaylord MI
1202 PM EDT Tue Sep 7 2021
MIC079-071612-
/O.CAN.KAPX.SV.W.0072.000000T0000Z-210907T1615Z/
Kalkaska MI-
1202 PM EDT Tue Sep 7 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL KALKASKA COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4459 8473 4467 8470 4469 8474 4474 8475
4478 8469 4485 8439 4458 8437
TIME...MOT...LOC 1602Z 258DEG 43KT 4469 8458
$$
MIC039-071615-
/O.CON.KAPX.SV.W.0072.000000T0000Z-210907T1615Z/
Crawford MI-
1202 PM EDT Tue Sep 7 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM EDT
FOR EASTERN CRAWFORD COUNTY...
At 1202 PM EDT, a severe thunderstorm was located near Grayling,
moving east at 50 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Lovells.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4459 8473 4467 8470 4469 8474 4474 8475
4478 8469 4485 8439 4458 8437
TIME...MOT...LOC 1602Z 258DEG 43KT 4469 8458
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 4:14 AM EDT | Beach Hazards Statement | APX | Alpena, Benzie, Charlevoix, Emmet, Leelanau, Mackinac and 1 more | 12 hr |
| Sep 7, 7:26 AM EDT | Special Marine Warning | APX | 2 hr | |
| Sep 7, 7:55 AM EDT | Special Marine Warning | APX | 95 min | |
| Sep 7, 8:26 AM EDT | Special Marine Warning | APX | 64 min | |
| Sep 7, 8:40 AM EDT | Severe Thunderstorm Warning | APX | Benzie, Grand Traverse, Leelanau | 50 min |
| Sep 7, 8:57 AM EDT | Severe Thunderstorm Warning | APX | Benzie, Grand Traverse, Manistee | 33 min |
| Sep 7, 9:25 AM EDT | Severe Thunderstorm Warning | APX | Antrim, Grand Traverse, Kalkaska | 50 min |
| Sep 7, 9:27 AM EDT | Special Marine Warning | APX | 33 min | |
| Sep 7, 9:29 AM EDT | Severe Thunderstorm Warning | APX | Benzie, Grand Traverse, Kalkaska, Manistee, Missaukee, Wexford | 46 min |
| Sep 7, 10:26 AM EDT | Severe Thunderstorm Warning | APX | Missaukee, Wexford | 34 min |
| Sep 7, 10:49 AM EDT | Special Marine Warning | APX | 56 min | |
| Sep 7, 11:06 AM EDT | Severe Thunderstorm Warning | APX | Crawford, Missaukee, Ogemaw, Oscoda, Roscommon | 24 min |
| Sep 7, 11:24 AM EDT | Severe Thunderstorm Warning | APX | Benzie, Manistee | 51 min |
| Sep 7, 11:30 AM EDT | Severe Thunderstorm Warning | APX | Alcona, Crawford, Iosco, Ogemaw, Oscoda, Roscommon | 45 min |
| Sep 7, 11:56 AM EDT | Severe Thunderstorm Warning | APX | Manistee, Missaukee, Wexford | 34 min |
| Sep 7, 12:00 PM EDT | Severe Thunderstorm Warning | APX | Manistee | 30 min |
| Sep 7, 12:08 PM EDT | Severe Thunderstorm Warning | APX | Alcona, Iosco, Ogemaw | 14 min |
| Sep 7, 12:28 PM EDT | Severe Thunderstorm Warning | APX | Missaukee, Roscommon, Wexford | 47 min |
| Sep 7, 1:09 PM EDT | Severe Thunderstorm Warning | APX | Iosco | 16 min |
| Sep 7, 1:10 PM EDT | Special Marine Warning | APX | 2 hr | |
| Sep 7, 1:29 PM EDT | Severe Thunderstorm Warning | APX | Wexford | 19 min |
| Sep 7, 1:31 PM EDT | Special Marine Warning | APX | 67 min | |
| Sep 7, 1:31 PM EDT | Severe Thunderstorm Warning | APX | Missaukee, Roscommon | 29 min |
| Sep 7, 1:37 PM EDT | Severe Thunderstorm Warning | APX | Alcona, Alpena, Iosco | 38 min |
| Sep 7, 1:47 PM EDT | Severe Thunderstorm Warning | APX | Iosco, Ogemaw | 58 min |
| Sep 7, 2:22 PM EDT | Severe Thunderstorm Warning | APX | Arenac, Gladwin, Iosco, Ogemaw | 53 min |
| Sep 7, 3:12 PM EDT | Special Marine Warning | APX | 70 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.