Alert archive / Minnesota / Severe Thunderstorm Watches in 2016

Severe Thunderstorm Watch 372

July 11, 20164 states

The Storm Prediction Center issued this severe thunderstorm watch at Jul 11, 2016, 3:48 PM CDT for 4 states. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jul 11, 2016, 3:48 PM CDT (20:48 UTC)
Expired
Jul 11, 2016, 11:00 PM CDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt
All 78 counties

Audubon County, IA, Buena Vista County, IA, Calhoun County, IA, Carroll County, IA, Cherokee County, IA, Clay County, IA, Crawford County, IA, Dickinson County, IA, Emmet County, IA, Greene County, IA, Hamilton County, IA, Hancock County, IA, Humboldt County, IA, Ida County, IA, Kossuth County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Palo Alto County, IA, Plymouth County, IA, Pocahontas County, IA, Sac County, IA, Sioux County, IA, Webster County, IA, Winnebago County, IA, Woodbury County, IA, Wright County, IA, Anoka County, MN, Benton County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Chippewa County, MN, Chisago County, MN, Cottonwood County, MN, Dakota County, MN, Faribault County, MN, Hennepin County, MN, Isanti County, MN, Jackson County, MN, Kanabec County, MN, Kandiyohi 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, Pipestone County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Rock County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Todd County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Wright County, MN, Yellow Medicine County, MN, Dakota County, NE, Dixon County, NE, Clay County, SD, Lincoln County, SD, Minnehaha County, SD, Moody County, SD, Turner County, SD, Union County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 91 km from the middle of the area, began a volume at 20:51 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
20%
One or more EF2 to EF5 tornadoes
5%
Ten or more severe wind reports
50%
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
90%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jul 11, 5:03 PM CDTSevere Thunderstorm WarningMPXChisago, Isanti42 min
Jul 11, 5:13 PM CDTTornado WarningMPXMeeker32 min
Jul 11, 5:40 PM CDTTornado Warning Tornado observedMPXMeeker, Stearns35 min
Jul 11, 5:56 PM CDTTornado Warning Tornado observedConsiderable damage threatMPXMeeker, Stearns34 min
Jul 11, 6:02 PM CDTTornado WarningMPXMorrison, Stearns28 min
Jul 11, 6:09 PM CDTTornado WarningMPXMorrison17 min
Jul 11, 6:19 PM CDTTornado WarningMPXBenton, Stearns26 min
Jul 11, 6:43 PM CDTTornado Warning Tornado observedMPXBenton, Stearns32 min
Jul 11, 7:00 PM CDTTornado WarningMPXKandiyohi, Meeker, Stearns30 min
Jul 11, 7:09 PM CDTTornado WarningMPXBenton36 min
Jul 11, 7:16 PM CDTTornado WarningMPXStearns29 min
Jul 11, 7:32 PM CDTFlash Flood WarningMPXBenton, Morrison, Sherburne, Stearns4 hr
Jul 11, 7:37 PM CDTTornado WarningMPXBenton, Sherburne, Stearns23 min
Jul 11, 8:05 PM CDTFlash Flood WarningMPXBenton, Kanabec, Mille Lacs, Morrison4 hr
Jul 11, 8:17 PM CDTSevere Thunderstorm WarningFSDBuena Vista43 min
Jul 11, 8:29 PM CDTSevere Thunderstorm WarningDMXCrawford46 min
Jul 11, 8:44 PM CDTSevere Thunderstorm WarningMPXSherburne, Wright31 min
Jul 11, 8:50 PM CDTTornado WarningMPXSherburne25 min
Jul 11, 9:00 PM CDTTornado WarningMPXSherburne11 min
Jul 11, 9:07 PM CDTSevere Thunderstorm WarningDMXCarroll, Crawford, Sac38 min
Jul 11, 9:29 PM CDTSevere Thunderstorm WarningDMXCalhoun, Carroll, Greene, Sac46 min
Jul 11, 9:41 PM CDTSevere Thunderstorm WarningDMXCalhoun, Pocahontas, Sac, Webster34 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, 8.8 hours before the alert went out and 202 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 2016-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1818 joules per kilogram.LCLLFCEL10008507005003002001001 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 2016-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 226 square meters per square second.193958Sfc1 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
1818 J/kg
Mixed-layer CIN
-153 J/kg
Mixed-layer LCL
882 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
226 m²/s²
0-3 km storm-relative helicity
235 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.5

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 11, 3:16 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Buena Vista, Calhoun and 37 more119 min
Jul 11, 4:03 PM CDTSevere Thunderstorm WatchSPCHarrison, Monona, Pottawattamie, Shelby6 hr
Jul 10, 10:16 PM CDTMesoscale DiscussionSPCBecker, Big Stone, Clay, Clearwater, Grant, Mahnomen and 8 more89 min
Jul 10, 10:40 PM CDTSevere Thunderstorm WatchSPCBecker, Big Stone, Clay, Grant, Mahnomen, Marshall and 7 more6 hr
Jul 11, 1:01 AM CDTMesoscale DiscussionSPCAitkin, Becker, Beltrami, Benton, Big Stone, Cass and 27 more89 min
Jul 11, 1:51 AM CDTSevere Thunderstorm WatchSPCAitkin, Beltrami, Benton, Cass, Clearwater, Crow Wing and 13 more5 hr
Jul 11, 3:22 AM CDTMesoscale DiscussionSPCAitkin, Benton, Carlton, Chisago, Crow Wing, Isanti and 5 more83 min
Jul 11, 4:06 AM CDTMesoscale DiscussionSPCBecker, Big Stone, Clay, Grant, Otter Tail, Traverse and 1 more84 min
Jul 11, 5:17 PM CDTMesoscale DiscussionSPCAnoka, Benton, Chisago, Hennepin, Isanti, Kandiyohi and 5 more58 min
Jul 11, 5:31 PM CDTTornado WatchSPCAnoka, Benton, Chisago, Isanti, Kanabec, Kandiyohi and 5 more4 hr
Jul 11, 6:03 PM CDTSevere Thunderstorm WatchSPCPine5 hr
Jul 10, 7:35 PM CDTMesoscale DiscussionSPCCampbell, Corson, Dewey, Edmunds, McPherson, Perkins and 1 more55 min
Jul 10, 7:54 PM CDTMesoscale DiscussionSPCBrule, Buffalo, Dewey, Faulk, Haakon, Hand and 12 more96 min
Jul 11, 1:32 AM CDTMesoscale DiscussionSPCCampbell, Corson, McPherson58 min
Jul 11, 4:03 PM CDTMesoscale DiscussionSPCCampbell, Corson, McPherson, Walworth117 min
Jul 11, 5:48 PM CDTMesoscale DiscussionSPCAshland, Bayfield, Douglas, Florence, Iron, Sawyer and 2 more57 min

Nearby

Severe Thunderstorm Watches in Minnesota, 2016Severe Thunderstorm Watches in Iowa, 2016Severe Thunderstorm Watches in South Dakota, 2016Every severe thunderstorm watch in 2016

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.