Alert archive / Michigan / Tornado Warnings in 2021
Tornado Warning 6, NWS Detroit, MI
NWS Detroit, MI issued this tornado warning at Jul 24, 2021, 4:26 PM EDT for Huron County, Michigan. It was in force for 37 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 24, 2021, 4:26 PM EDT (20:26 UTC)
- Expired
- Jul 24, 2021, 5:03 PM EDT
- In force
- 37 min
- Issued by
- NWS Detroit, MI
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 0.75 in
County Huron County, MI
The radar
The Detroit radar (KDTX), 152 km from the middle of the area, began a volume at 20:27 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 24, 4:34 PM EDT | TORNADO | 1 Sse Port Austin, MI | SEVERAL REPORTS AND SOCIAL MEDIA PHOTO OF TORNADO ON GROUND NEAR PORT AUSTIN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 24, 3:16 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Alpena, MI (KAPX), launched 12:00Z, 8.4 hours before the alert went out and 125 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
- 597 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 737 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 140 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.9
The text
As transmitted.
639
WFUS53 KDTX 242026
TORDTX
MIC063-242115-
/O.NEW.KDTX.TO.W.0006.210724T2026Z-210724T2115Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Detroit/Pontiac MI
426 PM EDT Sat Jul 24 2021
The National Weather Service in Detroit/Pontiac has issued a
* Tornado Warning for...
Northeastern Huron County in southeastern Michigan...
* Until 515 PM EDT.
* At 426 PM EDT, a confirmed waterspout was located just offshore
over Port Austin, moving east at 45 mph.
HAZARD...Tornado.
SOURCE...Weather spotters confirmed waterspout moving onshore.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This tornado will be near...
Port Hope around 445 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4407 8286 4400 8270 4388 8262 4395 8316
4402 8312 4403 8310 4407 8305
TIME...MOT...LOC 2026Z 276DEG 38KT 4405 8295
TORNADO...OBSERVED
HAIL...<.75IN
$$
KDK4 follow-up statements
803
WWUS53 KDTX 242036 RRA
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
436 PM EDT Sat Jul 24 2021
MIC063-242115-
/O.CON.KDTX.TO.W.0006.000000T0000Z-210724T2115Z/
Huron MI-
436 PM EDT Sat Jul 24 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR
NORTHEASTERN HURON COUNTY...
At 435 PM EDT, a confirmed tornado was located near Port Austin,
moving east at 40 mph.
HAZARD...Damaging tornado.
SOURCE...Weather spotters confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornado will be near...
Port Hope around 450 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Grindstone City and Huron City.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 4400 8270 4388 8262 4397 8299 4402 8300
4407 8298 4407 8286
TIME...MOT...LOC 2035Z 285DEG 34KT 4401 8290
TORNADO...OBSERVED
HAIL...<.75IN
$$
RBP434
WWUS53 KDTX 242045 RRA
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
445 PM EDT Sat Jul 24 2021
MIC063-242115-
/O.CON.KDTX.TO.W.0006.000000T0000Z-210724T2115Z/
Huron MI-
445 PM EDT Sat Jul 24 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR
NORTHEASTERN HURON COUNTY...
At 445 PM EDT, a confirmed tornado was located near Port Hope, moving
east at 40 mph.
HAZARD...Damaging tornado.
SOURCE...Weather spotters confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Port Hope, Huron City and Grindstone City.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 4400 8270 4388 8262 4388 8263 4397 8290
4406 8290 4407 8286
TIME...MOT...LOC 2045Z 278DEG 35KT 4400 8278
TORNADO...OBSERVED
HAIL...<.75IN
$$
RBP373
WWUS53 KDTX 242054
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
454 PM EDT Sat Jul 24 2021
MIC063-242115-
/O.CON.KDTX.TO.W.0006.000000T0000Z-210724T2115Z/
Huron MI-
454 PM EDT Sat Jul 24 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR
NORTHEASTERN HURON COUNTY...
At 454 PM EDT, a confirmed tornado was located near Port Hope, moving
east at 45 mph.
HAZARD...Damaging tornado.
SOURCE...Weather spotters confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Port Hope and Huron City.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 4400 8270 4388 8262 4396 8287 4405 8287
4407 8286
TIME...MOT...LOC 2054Z 292DEG 38KT 4401 8279
TORNADO...OBSERVED
HAIL...<.75IN
$$
RBP288
WWUS53 KDTX 242103
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
503 PM EDT Sat Jul 24 2021
MIC063-242111-
/O.CAN.KDTX.TO.W.0006.000000T0000Z-210724T2115Z/
Huron MI-
503 PM EDT Sat Jul 24 2021
...THE TORNADO WARNING FOR NORTHEASTERN HURON COUNTY IS CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled. However gusty winds are
still possible with a severe thunderstorm near Caseville.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
southeastern Michigan.
Remember, a Severe Thunderstorm Warning still remains in effect for
northern Huron County until 515 pm EDT.
LAT...LON 4400 8270 4388 8262 4396 8287 4405 8287
4407 8286
TIME...MOT...LOC 2100Z 276DEG 38KT 4400 8267
$$
RBPThe office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 2:25 PM EDT | Special Marine Warning | DTX | 95 min | |
| Jul 24, 3:38 PM EDT | Severe Thunderstorm Warning | DTX | Bay, Midland | 67 min |
| Jul 24, 3:51 PM EDT | Special Marine Warning | DTX | 114 min | |
| Jul 24, 4:03 PM EDT | Severe Thunderstorm Warning | DTX | Bay, Midland, Saginaw | 57 min |
| Jul 24, 4:05 PM EDT | Special Marine Warning | DTX | 55 min | |
| Jul 24, 4:08 PM EDT | Severe Thunderstorm Warning | DTX | Huron | 67 min |
| Jul 24, 4:37 PM EDT | Severe Thunderstorm Warning | DTX | Huron, Sanilac, Tuscola | 53 min |
| Jul 24, 4:46 PM EDT | Tornado Warning | DTX | Saginaw | 44 min |
| Jul 24, 4:57 PM EDT | Severe Thunderstorm Warning | DTX | Bay, Genesee, Saginaw, Shiawassee | 63 min |
| Jul 24, 5:11 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Lapeer, Tuscola | 64 min |
| Jul 24, 5:23 PM EDT | Severe Thunderstorm Warning | DTX | Tuscola | 36 min |
| Jul 24, 5:49 PM EDT | Severe Thunderstorm Warning | DTX | Sanilac | 37 min |
| Jul 24, 6:06 PM EDT | Severe Thunderstorm Warning | DTX | Shiawassee | 54 min |
| Jul 24, 6:07 PM EDT | Special Marine Warning | DTX | 68 min | |
| Jul 24, 6:11 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Lapeer | 64 min |
| Jul 24, 6:21 PM EDT | Tornado Warning | DTX | Genesee | 22 min |
| Jul 24, 6:43 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 62 min |
| Jul 24, 7:07 PM EDT | Special Weather Statement | DTX | Livingston, Macomb, Oakland, Shiawassee | 53 min |
| Jul 24, 7:19 PM EDT | Areal Flood Advisory | DTX | Genesee, Lapeer, Oakland, Shiawassee | 3 hr |
| Jul 24, 7:40 PM EDT | Severe Thunderstorm Warning | DTX | Livingston, Oakland | 80 min |
| Jul 24, 7:52 PM EDT | Tornado Warning | DTX | Macomb | 22 min |
| Jul 24, 7:56 PM EDT | Tornado Warning | DTX | Oakland | 26 min |
Nearby
Tornado Warnings in Michigan, 2021Every tornado warning in 2021Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.