Alert archive / Minnesota / Tornado Watches in 2024
Tornado Watch 433
The Storm Prediction Center issued this tornado watch at Jun 18, 2024, 1:24 PM CDT for 64 counties in Minnesota. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 18, 2024, 1:24 PM CDT (18:24 UTC)
- Expired
- Jun 18, 2024, 9:00 PM CDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 64 counties
Aitkin County, MN, Anoka County, MN, Becker County, MN, Benton County, MN, Blue Earth County, MN, Brown County, MN, Carlton County, MN, Carver County, MN, Cass County, MN, Chippewa County, MN, Chisago County, MN, Cook County, MN, Cottonwood County, MN, Crow Wing County, MN, Dakota County, MN, Douglas County, MN, Faribault County, MN, Freeborn County, MN, Grant County, MN, Hennepin County, MN, Hubbard County, MN, Isanti County, MN, Itasca County, MN, Jackson County, MN, Kanabec County, MN, Kandiyohi County, MN, Koochiching County, MN, Lac qui Parle County, MN, Lake County, MN, Le Sueur County, MN, Lincoln County, MN, Lyon County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Murray County, MN, Nicollet County, MN, Nobles County, MN, Otter Tail County, MN, Pine County, MN, Pipestone County, MN, Pope County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Rock County, MN, Saint Louis County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Steele County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Wadena County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Wright County, MN, Yellow Medicine County, MN
The radar
The Duluth radar (KDLH), 95 km from the middle of the area, began a volume at 18:25 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 SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 50%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 60%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
25 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 1:28 PM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 47 min |
| Jun 18, 1:41 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Hubbard | 43 min |
| Jun 18, 1:57 PM CDT | Severe Thunderstorm Warning | DLH | Cass, Itasca | 48 min |
| Jun 18, 1:59 PM CDT | Tornado Warning | DLH | Lake, Saint Louis | 21 min |
| Jun 18, 2:13 PM CDT | Flash Flood Warning | DLH | Itasca, Saint Louis | 7 hr |
| Jun 18, 2:18 PM CDT | Tornado Warning | DLH | Lake, Saint Louis | 42 min |
| Jun 18, 2:46 PM CDT | Tornado Warning | DLH | Cass, Itasca | 29 min |
| Jun 18, 2:48 PM CDT | Severe Thunderstorm Warning | DLH | Cass, Itasca | 42 min |
| Jun 18, 2:51 PM CDT | Tornado Warning | DLH | Lake, Saint Louis | 39 min |
| Jun 18, 3:05 PM CDT | Tornado Warning | DLH | Cass, Itasca | 40 min |
| Jun 18, 3:09 PM CDT | Severe Thunderstorm Warning | DLH | Cass, Itasca, Saint Louis | 39 min |
| Jun 18, 3:10 PM CDT | Tornado Warning | DLH | Cass, Itasca | 37 min |
| Jun 18, 3:24 PM CDT | Flash Flood Warning | DLH | Saint Louis | 9 hr |
| Jun 18, 4:01 PM CDT | Flash Flood Warning | DLH | Cass, Crow Wing, Itasca, Koochiching, Saint Louis | 5 hr |
| Jun 18, 4:01 PM CDT | Severe Thunderstorm Warning | MPX | Pope | 29 min |
| Jun 18, 4:58 PM CDT | Flash Flood Warning | DLH | Lake, Saint Louis | 4 hr |
| Jun 18, 5:05 PM CDT | Severe Thunderstorm Warning | DLH | Cass, Crow Wing | 26 min |
| Jun 18, 5:07 PM CDT | Tornado Warning | DLH | Saint Louis | 23 min |
| Jun 18, 5:34 PM CDT | Tornado Warning | DLH | Saint Louis | 24 min |
| Jun 18, 5:45 PM CDT | Severe Thunderstorm Warning | MPX | Morrison, Todd | 30 min |
| Jun 18, 6:02 PM CDT | Severe Thunderstorm Warning | MPX | Morrison, Stearns | 13 min |
| Jun 18, 6:19 PM CDT | Flash Flood Warning | DLH | Cook, Lake, Saint Louis | 6 hr |
| Jun 18, 6:56 PM CDT | Severe Thunderstorm Warning | DLH | Lake, Saint Louis | 34 min |
| Jun 18, 7:56 PM CDT | Flash Flood Warning | DLH | Carlton, Saint Louis | 3 hr |
| Jun 18, 8:53 PM CDT | Severe Thunderstorm Warning | MPX | Washington | 37 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 6.4 hours before the alert went out and 177 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
- 1493 J/kg
- Mixed-layer CIN
- -220 J/kg
- Mixed-layer LCL
- 885 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 308 m²/s²
- 0-3 km storm-relative helicity
- 317 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 8:29 PM CDT | Mesoscale Discussion | SPC | Houston | 61 min |
| Jun 17, 11:36 PM CDT | Mesoscale Discussion | SPC | Becker, Benton, Cass, Chippewa, Crow Wing, Douglas and 15 more | 114 min |
| Jun 18, 1:49 AM CDT | Mesoscale Discussion | SPC | Becker, Beltrami, Cass, Clay, Clearwater, Douglas and 11 more | 86 min |
| Jun 18, 2:08 AM CDT | Severe Thunderstorm Watch | SPC | Aitkin, Becker, Beltrami, Carlton, Cass, Clay and 16 more | 6 hr |
| Jun 18, 6:03 AM CDT | Mesoscale Discussion | SPC | Aitkin, Carlton, Cass, Crow Wing, Itasca, Koochiching and 1 more | 87 min |
| Jun 18, 12:20 PM CDT | Mesoscale Discussion | SPC | Aitkin, Anoka, Benton, Big Stone, Brown, Carlton and 40 more | 115 min |
| Jun 18, 3:18 PM CDT | Mesoscale Discussion | SPC | Aitkin, Carlton, Crow Wing, Kanabec, Lake, Mille Lacs and 3 more | 87 min |
Nearby
Tornado Watches in Minnesota, 2024Every tornado watch 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.