Alert archive / Minnesota / Tornado Warnings in 2024
Tornado Warning 33, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Aug 29, 2024, 4:53 PM CDT for Chisago County, Minnesota; Polk County, Wisconsin. It was in force for 20 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
- Aug 29, 2024, 4:53 PM CDT (21:53 UTC)
- Expired
- Aug 29, 2024, 5:13 PM CDT
- In force
- 20 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 0.75 in
Counties Chisago County, MN, Polk County, WI
The radar
The Minneapolis radar (KMPX), 99 km from the middle of the area, began a volume at 21:55 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 29, 2:33 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 9.9 hours before the alert went out and 100 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
- 832 J/kg
- Mixed-layer CIN
- -148 J/kg
- Mixed-layer LCL
- 584 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 242 m²/s²
- 0-3 km storm-relative helicity
- 296 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 8.9
The text
As transmitted.
996
WFUS53 KMPX 292153
TORMPX
MNC025-WIC095-292230-
/O.NEW.KMPX.TO.W.0033.240829T2153Z-240829T2230Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
453 PM CDT Thu Aug 29 2024
The National Weather Service in the Twin Cities has issued a
* Tornado Warning for...
Northwestern Chisago County in east central Minnesota...
Northwestern Polk County in northwestern Wisconsin...
* Until 530 PM CDT.
* At 452 PM CDT, a confirmed tornado was located near North Branch,
or 8 miles east of Cambridge, moving northeast at 45 mph.
HAZARD...Damaging tornado.
SOURCE...Law enforcement 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.
* The tornado will be near...
Rush City around 500 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Harris, Rush City Airport, Wild River State Park, and Chengwatana
State Forest.
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 4572 9287 4564 9289 4564 9273 4553 9297
4553 9302 4556 9302 4556 9314 4559 9314
4573 9303 4573 9285
TIME...MOT...LOC 2152Z 224DEG 41KT 4554 9307
TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN
$$
Borghoff2 follow-up statements
438
WWUS53 KMPX 292201
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
501 PM CDT Thu Aug 29 2024
MNC025-WIC095-292230-
/O.CON.KMPX.TO.W.0033.000000T0000Z-240829T2230Z/
Chisago MN-Polk WI-
501 PM CDT Thu Aug 29 2024
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR
NORTHWESTERN CHISAGO AND NORTHWESTERN POLK COUNTIES...
At 501 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Rush City, or 13 miles east of Cambridge, moving
northeast at 45 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Rush City around 505 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Harris, Rush City Airport, Wild River State Park, and Chengwatana
State Forest.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4554 9295 4560 9308 4573 9295 4573 9285
4572 9287 4564 9289 4564 9273 4556 9291
TIME...MOT...LOC 2201Z 224DEG 38KT 4561 9297
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Borghoff004
WWUS53 KMPX 292213
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
513 PM CDT Thu Aug 29 2024
MNC025-WIC095-292222-
/O.CAN.KMPX.TO.W.0033.000000T0000Z-240829T2230Z/
Chisago MN-Polk WI-
513 PM CDT Thu Aug 29 2024
...THE TORNADO WARNING FOR NORTHWESTERN CHISAGO AND NORTHWESTERN POLK
COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
east central Minnesota...and northwestern Wisconsin.
&&
LAT...LON 4554 9295 4560 9308 4573 9295 4573 9285
4572 9287 4564 9289 4564 9273 4556 9291
TIME...MOT...LOC 2210Z 224DEG 41KT 4571 9283
$$
BorghoffThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 2:11 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Stearns | 34 min |
| Aug 29, 2:17 PM CDT | Severe Thunderstorm Warning | MPX | Brown, Nicollet | 28 min |
| Aug 29, 2:29 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi | 31 min |
| Aug 29, 2:33 PM CDT | Severe Thunderstorm Warning | MPX | Brown, Nicollet | 27 min |
| Aug 29, 2:37 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Stearns, Todd | 38 min |
| Aug 29, 2:44 PM CDT | Severe Thunderstorm Warning | MPX | Nicollet, Sibley | 46 min |
| Aug 29, 2:54 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Meeker, Morrison, Sherburne, Stearns | 51 min |
| Aug 29, 3:05 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Meeker, Wright | 40 min |
| Aug 29, 3:12 PM CDT | Severe Thunderstorm Warning | MPX | Carver, McLeod, Scott, Sibley | 48 min |
| Aug 29, 3:31 PM CDT | Tornado Warning | MPX | Mille Lacs, Morrison | 29 min |
| Aug 29, 3:37 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Mille Lacs, Morrison | 53 min |
| Aug 29, 3:38 PM CDT | Special Weather Statement | MPX | Watonwan | 37 min |
| Aug 29, 3:42 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Carver, Dakota, Hennepin, Ramsey, Scott | 48 min |
| Aug 29, 3:50 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Brown, Nicollet, Watonwan | 25 min |
| Aug 29, 3:52 PM CDT | Tornado Warning | MPX | Blue Earth, Brown, Watonwan | 23 min |
| Aug 29, 4:08 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Faribault, Le Sueur, Nicollet, Waseca | 36 min |
| Aug 29, 4:18 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Chisago, Dakota, Hennepin, Ramsey, Washington | 57 min |
| Aug 29, 4:32 PM CDT | Tornado Warning | MPX | Anoka, Chisago, Isanti | 28 min |
| Aug 29, 4:54 PM CDT | Special Weather Statement | MPX | Steele, Waseca | 36 min |
| Aug 29, 4:58 PM CDT | Severe Thunderstorm Warning | MPX | Chisago | 32 min |
| Aug 29, 5:30 PM CDT | Special Weather Statement | MPX | Washington | 30 min |
| Aug 29, 5:34 PM CDT | Special Weather Statement | MPX | Steele | 26 min |
| Aug 29, 5:19 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Polk | 29 min |
| Aug 29, 5:57 PM CDT | Flash Flood Warning | MPX | Polk | 2 hr |
| Aug 29, 5:57 PM CDT | Tornado Warning | MPX | Pierce, Saint Croix | 33 min |
| Aug 29, 6:21 PM CDT | Tornado Warning | MPX | Dunn, Saint Croix | 39 min |
| Aug 29, 6:49 PM CDT | Tornado Warning | MPX | Chippewa, Dunn | 27 min |
Nearby
Tornado Warnings in Minnesota, 2024Tornado Warnings in Wisconsin, 2024Every tornado warning in 2024Tornadoes in 2024
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.