Alert archive / North Dakota / Severe Thunderstorm Watches in 2016

Severe Thunderstorm Watch 370

July 10, 201613 counties in Minnesota; 26 counties in North Dakota; 12 counties in South Dakota

The Storm Prediction Center issued this severe thunderstorm watch at Jul 10, 2016, 10:40 PM CDT for 13 counties in Minnesota; 26 counties in North Dakota; 12 counties in South Dakota. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jul 10, 2016, 10:40 PM CDT (03:40 UTC)
Expired
Jul 11, 2016, 5:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
65 kt
All 51 counties

Becker County, MN, Big Stone County, MN, Clay County, MN, Grant County, MN, Mahnomen County, MN, Marshall County, MN, Norman County, MN, Otter Tail County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Traverse County, MN, Wilkin County, MN, Barnes County, ND, Benson County, ND, Burleigh County, ND, Cass County, ND, Dickey County, ND, Eddy County, ND, Emmons County, ND, Foster County, ND, Grand Forks County, ND, Grant County, ND, Griggs County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McIntosh County, ND, Morton County, ND, Nelson County, ND, Ramsey County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Sioux County, ND, Steele County, ND, Stutsman County, ND, Traill County, ND, Walsh County, ND, Brown County, SD, Campbell County, SD, Corson County, SD, Day County, SD, Dewey County, SD, Edmunds County, SD, Faulk County, SD, Marshall County, SD, McPherson County, SD, Potter County, SD, Roberts County, SD, Walworth County, SD

The radar

The Aberdeen radar (KABR), 103 km from the middle of the area, began a volume at 03:40 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
10%
One or more EF2 to EF5 tornadoes
2%
Ten or more severe wind reports
50%
One or more gusts of 65 knots or more
30%
Ten or more severe hail reports
50%
One or more hailstones of 2 inches or more
30%
Six or more combined severe hail and wind reports
70%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jul 10, 10:43 PM CDTSevere Thunderstorm WarningFGFBenson, Eddy, Ramsey62 min
Jul 10, 10:59 PM CDTSevere Thunderstorm WarningBISDickey, Foster, Kidder, LaMoure, Logan, McIntosh and 1 more61 min
Jul 10, 11:34 PM CDTSevere Thunderstorm WarningFGFBarnes, Griggs, Nelson, Ransom, Steele56 min
Jul 11, 12:13 AM CDTSevere Thunderstorm WarningFGFClay, Wilkin47 min
Jul 11, 12:25 AM CDTSevere Thunderstorm WarningFGFGrand Forks, Steele, Traill50 min
Jul 11, 12:27 AM CDTSevere Thunderstorm WarningBISEmmons, Sioux63 min
Jul 11, 12:55 AM CDTSevere Thunderstorm WarningBISGrant, Sioux65 min
Jul 11, 12:58 AM CDTSevere Thunderstorm WarningFGFBecker, Clay, Mahnomen, Norman, Otter Tail, Wilkin47 min
Jul 11, 1:04 AM CDTSevere Thunderstorm WarningBISGrant, Morton35 min
Jul 11, 1:06 AM CDTSevere Thunderstorm WarningFGFMahnomen, Norman, Polk54 min
Jul 11, 1:45 AM CDTSevere Thunderstorm WarningFGFBecker, Clearwater, Hubbard, Mahnomen, Norman, Otter Tail and 2 more60 min
Jul 11, 1:50 AM CDTSevere Thunderstorm WarningBISEmmons55 min
Jul 11, 1:52 AM CDTSevere Thunderstorm WarningBISEmmons, Morton, Sioux23 min
Jul 11, 2:01 AM CDTSevere Thunderstorm WarningFGFBeltrami, Clearwater, Hubbard, Mahnomen, Polk59 min
Jul 11, 2:41 AM CDTSevere Thunderstorm WarningBISEmmons, Logan, McIntosh64 min
Jul 11, 2:46 AM CDTSevere Thunderstorm WarningFGFHubbard, Otter Tail, Wadena29 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

Aberdeen, SD (KABR), launched 00:00Z, 3.7 hours before the alert went out and 165 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, Aberdeen, SD at 00:00Z on 2016-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1330 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, Aberdeen, SD at 00:00Z on 2016-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 180 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
1330 J/kg
Mixed-layer CIN
-355 J/kg
Mixed-layer LCL
1033 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
180 m²/s²
0-3 km storm-relative helicity
279 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 10, 10:16 PM CDTMesoscale DiscussionSPCBecker, Big Stone, Clay, Clearwater, Grant, Mahnomen and 8 more89 min
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, 3:16 PM CDTMesoscale DiscussionSPCAnoka, Blue Earth, Brown, Carver, Cottonwood, Dakota and 28 more119 min
Jul 11, 3:48 PM CDTSevere Thunderstorm WatchSPCAnoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more7 hr
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 DiscussionSPCAdams, Benson, Bottineau, Burleigh, Cavalier, Dunn and 28 more55 min
Jul 11, 1:32 AM CDTMesoscale DiscussionSPCBarnes, Burleigh, Dickey, Emmons, Grant, Kidder and 7 more58 min
Jul 11, 4:03 PM CDTMesoscale DiscussionSPCBenson, Burleigh, Eddy, Emmons, Foster, Kidder and 6 more117 min
Jul 10, 7:54 PM CDTMesoscale DiscussionSPCBrule, Buffalo, Dewey, Faulk, Haakon, Hand and 12 more96 min

Nearby

Severe Thunderstorm Watches in North Dakota, 2016Severe Thunderstorm Watches in Minnesota, 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.