Alert archive / Michigan / Tornado Warnings in 2021
Tornado Warning 8, NWS Detroit, MI
NWS Detroit, MI issued this tornado warning at Jul 24, 2021, 6:21 PM EDT for Genesee County, Michigan. It was in force for 22 min. 7 reports 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, 6:21 PM EDT (22:21 UTC)
- Expired
- Jul 24, 2021, 6:43 PM EDT
- In force
- 22 min
- Issued by
- NWS Detroit, MI
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Genesee County, MI
The radar
The Detroit radar (KDTX), 42 km from the middle of the area, began a volume at 22:21 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, 6:22 PM EDT | TSTM WND DMG | 3 S Flushing, MI | REPORT OF A DESTROYED BARN VIA PHOTO ON CALKINS AND MORRISH RD |
| Jul 24, 6:22 PM EDT | TSTM WND DMG | 3 S Flushing, MI | REPORT OF A DESTROYED BARN VIA PHOTO ON CALKINS AND MORRISH RD. |
| Jul 24, 6:23 PM EDT | TORNADO | 5 S Flushing, MI | SIDING AND ROOF OF RESIDENTIAL HOME TORN OFF. PHOTOS SENT VIA TWITTER |
| Jul 24, 6:23 PM EDT | TORNADO | 5 S Flushing, MI | SIDING AND ROOF OF RESIDENTIAL HOME TORN OFF. PHOTOS SENT VIA TWITTER. |
| Jul 24, 6:24 PM EDT | TSTM WND DMG | 5 S Flushing, MI | REPORT OF MULTIPLE TREES DOWN AND BUILDING DAMAGE |
| Jul 24, 6:24 PM EDT | TSTM WND DMG | 5 S Flushing, MI | REPORT OF MULTIPLE TREES DOWN AND BUILDING DAMAGE. |
| Jul 24, 6:27 PM EDT | TSTM WND DMG | 5 S Flushing, MI | REPORTS OF SEVERAL LARGE LIMBS DOWN NEAR M-21 AND MORRISH ROAD. |
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
Detroit, MI (KDTX), launched 12:00Z, 10.4 hours before the alert went out and 43 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
- 588 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 557 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.8
The text
As transmitted.
984
WFUS53 KDTX 242221
TORDTX
MIC049-242300-
/O.NEW.KDTX.TO.W.0008.210724T2221Z-210724T2300Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Detroit/Pontiac MI
621 PM EDT Sat Jul 24 2021
The National Weather Service in Detroit/Pontiac has issued a
* Tornado Warning for...
Southwestern Genesee County in southeastern Michigan...
* Until 700 PM EDT.
* At 621 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Swartz Creek, or near Flushing, moving southeast
at 30 mph.
HAZARD...Tornado.
SOURCE...Weather spotters reported funnel cloud.
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 dangerous storm will be near...
Swartz Creek around 625 PM EDT.
Other locations in the path of this tornadic thunderstorm include
Grand Blanc and Lake Fenton.
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 4306 8384 4291 8360 4285 8373 4301 8393
4303 8393
TIME...MOT...LOC 2221Z 317DEG 28KT 4300 8384
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
KDK3 follow-up statements
574
WWUS53 KDTX 242226
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
626 PM EDT Sat Jul 24 2021
MIC049-242300-
/O.CON.KDTX.TO.W.0008.000000T0000Z-210724T2300Z/
Genesee MI-
626 PM EDT Sat Jul 24 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR
SOUTHWESTERN GENESEE COUNTY...
At 625 PM EDT, a confirmed tornado was located over Swartz Creek, or
near Flushing, moving southeast at 20 mph.
HAZARD...Damaging tornado and quarter size hail.
SOURCE...Radar confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornado will be near...
Grand Blanc and Lake Fenton around 700 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Rankin.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 4306 8384 4291 8360 4285 8373 4301 8393
4303 8393
TIME...MOT...LOC 2225Z 302DEG 17KT 4300 8382
TORNADO...OBSERVED
HAIL...1.00IN
$$
RBP340
WWUS53 KDTX 242231
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
631 PM EDT Sat Jul 24 2021
MIC049-242300-
/O.CON.KDTX.TO.W.0008.000000T0000Z-210724T2300Z/
Genesee MI-
631 PM EDT Sat Jul 24 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR
SOUTHWESTERN GENESEE COUNTY...
At 631 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Swartz Creek, or near Flint, moving southeast at 20
mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
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 dangerous storm will be near...
Flint around 640 PM EDT.
Burton around 655 PM EDT.
Lake Fenton around 700 PM EDT.
Grand Blanc around 705 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Rankin.
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 4291 8360 4285 8373 4298 8389 4300 8388
4303 8379
TIME...MOT...LOC 2231Z 296DEG 15KT 4300 8379
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
RBP274
WWUS53 KDTX 242243
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
643 PM EDT Sat Jul 24 2021
MIC049-242252-
/O.CAN.KDTX.TO.W.0008.000000T0000Z-210724T2300Z/
Genesee MI-
643 PM EDT Sat Jul 24 2021
...THE TORNADO WARNING FOR SOUTHWESTERN GENESEE COUNTY IS
CANCELLED...
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, damaging winds remain likely and a Severe
Thunderstorm Warning remains in effect for the area until 715 PM
EDT.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT
for southeastern Michigan.
LAT...LON 4291 8360 4285 8373 4298 8389 4300 8388
4303 8379
TIME...MOT...LOC 2241Z 317DEG 28KT 4293 8371
$$
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, 4:26 PM EDT | Tornado Warning | DTX | Huron | 37 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, 6:43 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.