Alert archive / Minnesota / Tornado Watches in 2019
Tornado Watch 543
The Storm Prediction Center issued this tornado watch at Jul 28, 2019, 2:51 PM CDT for 24 counties in Minnesota; 14 counties in Wisconsin. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 28, 2019, 2:51 PM CDT (19:51 UTC)
- Expired
- Jul 28, 2019, 9:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 38 counties
Anoka County, MN, Blue Earth County, MN, Carver County, MN, Chisago County, MN, Dakota County, MN, Dodge County, MN, Goodhue County, MN, Hennepin County, MN, Isanti County, MN, Le Sueur County, MN, McLeod County, MN, Nicollet County, MN, Olmsted County, MN, Ramsey County, MN, Rice County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Steele County, MN, Wabasha County, MN, Waseca County, MN, Washington County, MN, Winona County, MN, Wright County, MN, Barron County, WI, Buffalo County, WI, Chippewa County, WI, Clark County, WI, Dunn County, WI, Eau Claire County, WI, Jackson County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Rusk County, WI, Saint Croix County, WI, Taylor County, WI, Trempealeau County, WI
The radar
The Minneapolis radar (KMPX), 68 km from the middle of the area, began a volume at 19:52 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
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 10%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 3:19 PM CDT | Tornado Warning | MPX | McLeod | 41 min |
| Jul 28, 3:37 PM CDT | Tornado Warning | MPX | Benton, Sherburne | 38 min |
| Jul 28, 4:06 PM CDT | Tornado Warning | MPX | Pierce | 39 min |
| Jul 28, 4:08 PM CDT | Tornado Warning | MPX | Anoka | 22 min |
| Jul 28, 4:15 PM CDT | Tornado Warning | MPX | Chisago, Isanti | 30 min |
| Jul 28, 4:25 PM CDT | Tornado Warning | MPX | Chisago, Washington | 35 min |
| Jul 28, 5:10 PM CDT | Severe Thunderstorm Warning | MPX | Polk | 50 min |
| Jul 28, 5:55 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Eau Claire | 35 min |
| Jul 28, 6:14 PM CDT | Severe Thunderstorm Warning | ARX | Clark | 46 min |
| Jul 28, 6:29 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Rusk | 34 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, 7.9 hours before the alert went out and 71 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1530 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 2:03 PM CDT | Mesoscale Discussion | SPC | Goodhue, Olmsted, Ramsey, Wabasha, Washington, Winona | 117 min |
| Jul 28, 2:45 PM CDT | Mesoscale Discussion | SPC | Kittson, Lake of the Woods, Marshall, Pennington, Polk, Red Lake and 1 more | 2 hr |
| Jul 28, 5:10 PM CDT | Mesoscale Discussion | SPC | Anoka, Carver, Chisago, Dakota, Dodge, Goodhue and 11 more | 95 min |
| Jul 28, 6:35 PM CDT | Mesoscale Discussion | SPC | Adams, Ashland, Barron, Brown, Calumet, Chippewa and 26 more | 85 min |
Nearby
Tornado Watches in Minnesota, 2019Tornado Watches in Wisconsin, 2019Every tornado watch in 2019
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.