Alert archive / Minnesota / Tornado Watches in 2022

Tornado Watch 245

May 19, 20225 counties in Iowa; 20 counties in Minnesota; Buffalo County, Pepin County, Trempealeau County, Wisconsin

The Storm Prediction Center issued this tornado watch at May 19, 2022, 3:11 PM CDT for 5 counties in Iowa; 20 counties in Minnesota; Buffalo County, Pepin County, Trempealeau County, Wisconsin. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
May 19, 2022, 3:11 PM CDT (20:11 UTC)
Expired
May 19, 2022, 10:00 PM CDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
2.5 in
Strongest gust expected
60 kt
All 28 counties

Emmet County, IA, Kossuth County, IA, Mitchell County, IA, Winnebago County, IA, Worth County, IA, Blue Earth County, MN, Brown County, MN, Dodge County, MN, Faribault County, MN, Fillmore County, MN, Freeborn County, MN, Goodhue County, MN, Houston County, MN, Le Sueur County, MN, Martin County, MN, Mower County, MN, Nicollet County, MN, Olmsted County, MN, Rice County, MN, Sibley County, MN, Steele County, MN, Wabasha County, MN, Waseca County, MN, Watonwan County, MN, Winona County, MN, Buffalo County, WI, Pepin County, WI, Trempealeau County, WI

The radar

The Minneapolis radar (KMPX), 96 km from the middle of the area, began a volume at 20:14 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
60%
One or more gusts of 65 knots or more
20%
Ten or more severe hail reports
70%
One or more hailstones of 2 inches or more
60%
Six or more combined severe hail and wind reports
95%

Warnings issued inside it

21 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 19, 4:04 PM CDTSevere Thunderstorm WarningMPXGoodhue26 min
May 19, 4:08 PM CDTSevere Thunderstorm WarningARXOlmsted, Wabasha52 min
May 19, 4:10 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Rice, Scott24 min
May 19, 4:21 PM CDTSevere Thunderstorm WarningMPXGoodhue24 min
May 19, 4:22 PM CDTSevere Thunderstorm WarningMPXGoodhue20 min
May 19, 4:26 PM CDTSevere Thunderstorm WarningMPXDakota, Rice, Scott19 min
May 19, 4:59 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Faribault, Waseca31 min
May 19, 5:05 PM CDTSevere Thunderstorm WarningMPXDakota, Rice25 min
May 19, 5:20 PM CDTSevere Thunderstorm WarningMPXFaribault, Freeborn25 min
May 19, 5:25 PM CDTSevere Thunderstorm WarningMPXSteele, Waseca20 min
May 19, 5:39 PM CDTSevere Thunderstorm WarningMPXFaribault, Freeborn, Steele, Waseca36 min
May 19, 5:59 PM CDTSevere Thunderstorm WarningMPXFaribault, Freeborn16 min
May 19, 6:06 PM CDTSevere Thunderstorm WarningMPXFreeborn, Steele24 min
May 19, 6:08 PM CDTSevere Thunderstorm WarningARXDodge, Olmsted37 min
May 19, 6:11 PM CDTSevere Thunderstorm WarningMPXFreeborn, Steele34 min
May 19, 7:34 PM CDTSevere Thunderstorm WarningARXFillmore41 min
May 19, 7:51 PM CDTSevere Thunderstorm WarningARXHouston39 min
May 19, 7:57 PM CDTSevere Thunderstorm WarningARXWinona29 min
May 19, 8:39 PM CDTSevere Thunderstorm WarningARXHouston, Winona21 min
May 19, 9:25 PM CDTFlash Flood WarningARXWinona2 hr
May 19, 9:51 PM CDTSevere Thunderstorm WarningARXFillmore, Olmsted, Winona39 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, 8.2 hours before the alert went out and 97 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2022-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2022-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1537 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 19, 11:36 AM CDTMesoscale DiscussionSPCAllamakee, Cerro Gordo, Chickasaw, Floyd, Howard, Mitchell and 3 more84 min
May 19, 1:36 PM CDTMesoscale DiscussionSPCCerro Gordo, Dickinson, Emmet, Floyd, Franklin, Hancock and 7 more114 min
May 19, 4:54 PM CDTMesoscale DiscussionSPCHoward, Mitchell, Winneshiek, Worth2 hr
May 19, 3:20 PM CDTSevere Thunderstorm WatchSPCAnoka, Carver, Chisago, Dakota, Hennepin, Isanti and 6 more7 hr
May 18, 9:13 PM CDTMesoscale DiscussionSPCAdams, Clark, Eau Claire, Jackson, Juneau, Portage and 2 more62 min

Nearby

Tornado Watches in Minnesota, 2022Tornado Watches in Iowa, 2022Tornado Watches in Wisconsin, 2022Every tornado watch in 2022

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.