Alert archive / Michigan / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 20, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Jul 31, 2021, 8:42 PM EDT for 4 counties in 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
- Jul 31, 2021, 8:42 PM EDT (00:42 UTC)
- Expired
- Jul 31, 2021, 9:06 PM EDT
- In force
- 24 min
- Issued by
- NWS Gaylord, MI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Benzie County, MI, Grand Traverse County, MI, Manistee County, MI, Wexford County, MI
The radar
The NCL Michigan radar (KAPX), 94 km from the middle of the area, began a volume at 00:44 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
Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.7 hours before the alert went out and 184 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
- 53 J/kg
- Mixed-layer CIN
- -95 J/kg
- Mixed-layer LCL
- 1830 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
009
WUUS53 KAPX 010042
SVRAPX
MIC019-055-101-165-010145-
/O.NEW.KAPX.SV.W.0020.210801T0042Z-210801T0145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gaylord MI
842 PM EDT Sat Jul 31 2021
The National Weather Service in Gaylord has issued a
* Severe Thunderstorm Warning for...
Eastern Benzie County in northern Michigan...
Northeastern Wexford County in northern Michigan...
Southern Grand Traverse County in northern Michigan...
Northeastern Manistee County in northern Michigan...
* Until 945 PM EDT.
* At 842 PM EDT, a severe thunderstorm was located near Bendon, or
near Thompsonville, 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...
Interlochen State Park and Interlochen around 850 PM EDT.
Karlin around 855 PM EDT.
Other locations in the path of this severe thunderstorm include
Buckley, Hannah, Sherman, Mesick, Meauwataka and Manton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4456 8607 4475 8593 4454 8533 4423 8551
TIME...MOT...LOC 0042Z 301DEG 23KT 4460 8588
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$1 follow-up statement
085
WWUS53 KAPX 010106
SVSAPX
Severe Weather Statement
National Weather Service Gaylord MI
906 PM EDT Sat Jul 31 2021
MIC019-055-101-165-010116-
/O.CAN.KAPX.SV.W.0020.000000T0000Z-210801T0145Z/
Benzie MI-Wexford MI-Grand Traverse MI-Manistee MI-
906 PM EDT Sat Jul 31 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN BENZIE...NORTHEASTERN
WEXFORD...SOUTHERN GRAND TRAVERSE AND NORTHEASTERN MANISTEE COUNTIES
IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However gusty winds are
still possible with this thunderstorm.
LAT...LON 4456 8607 4475 8593 4454 8533 4423 8551
TIME...MOT...LOC 0105Z 301DEG 23KT 4453 8609
$$The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 8:15 PM EDT | Special Marine Warning | APX | 45 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.