Alert archive / North Dakota / Severe Thunderstorm Watches in 2016

Severe Thunderstorm Watch 240

June 9, 201625 counties in North Dakota; Perkins County, South Dakota

The Storm Prediction Center issued this severe thunderstorm watch at Jun 9, 2016, 6:43 PM MDT for 25 counties in North Dakota; Perkins County, South Dakota. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jun 9, 2016, 6:43 PM MDT (00:43 UTC)
Expired
Jun 10, 2016, 2:00 AM MDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt
All 26 counties

Adams County, ND, Billings County, ND, Bottineau County, ND, Bowman County, ND, Burke County, ND, Divide County, ND, Dunn County, ND, Foster County, ND, Golden Valley County, ND, Hettinger County, ND, McHenry County, ND, McKenzie County, ND, McLean County, ND, Mercer County, ND, Mountrail County, ND, Oliver County, ND, Pierce County, ND, Renville County, ND, Rolette County, ND, Sheridan County, ND, Slope County, ND, Stark County, ND, Ward County, ND, Wells County, ND, Williams County, ND, Perkins County, SD

The radar

The Minot AFB radar (KMBX), 166 km from the middle of the area, began a volume at 00:43 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
5%
One or more EF2 to EF5 tornadoes
2%
Ten or more severe wind reports
30%
One or more gusts of 65 knots or more
10%
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

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

IssuedProductOfficeCountiesLasted
Jun 9, 7:03 PM MDTSevere Thunderstorm WarningUNRButte, Harding, Perkins57 min
Jun 9, 7:09 PM MDTSevere Thunderstorm WarningBISDivide, Williams66 min
Jun 9, 7:13 PM MDTSevere Thunderstorm WarningBISBottineau, Rolette47 min
Jun 9, 7:40 PM MDTTornado WarningBISWilliams35 min
Jun 9, 7:56 PM MDTSevere Thunderstorm WarningBISBillings, Golden Valley64 min
Jun 9, 8:07 PM MDTSevere Thunderstorm WarningBISBurke, Mountrail, Ward, Williams53 min
Jun 9, 8:08 PM MDTSevere Thunderstorm WarningBISHettinger, Stark31 min
Jun 9, 8:23 PM MDTTornado WarningBISMountrail22 min
Jun 9, 8:49 PM MDTSevere Thunderstorm WarningBISSlope56 min
Jun 9, 8:56 PM MDTSevere Thunderstorm WarningBISBillings, Golden Valley51 min
Jun 9, 8:57 PM MDTSevere Thunderstorm WarningBISMountrail, Renville, Ward48 min
Jun 9, 9:07 PM MDTSevere Thunderstorm WarningBISBottineau, Renville, Ward53 min
Jun 9, 9:30 PM MDTSevere Thunderstorm WarningBISBillings, Dunn, McKenzie, Mercer46 min
Jun 9, 9:33 PM MDTSevere Thunderstorm WarningBISMountrail, Renville, Ward57 min
Jun 9, 9:56 PM MDTSevere Thunderstorm WarningBISMcHenry49 min
Jun 9, 10:40 PM MDTSevere Thunderstorm WarningBISBottineau, McHenry, Pierce, Rolette65 min
Jun 9, 10:48 PM MDTSevere Thunderstorm WarningBISMcHenry, McLean, Mercer, Sheridan, Ward57 min
Jun 9, 11:40 PM MDTSevere Thunderstorm WarningBISMcHenry, Pierce, Sheridan, Wells65 min
Jun 10, 12:42 AM MDTSevere Thunderstorm WarningBISFoster, Kidder, Stutsman, Wells63 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

Bismarck Municip, ND (KBIS), launched 00:00Z, 0.7 hours before the alert went out and 178 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, Bismarck Municip, ND at 00:00Z on 2016-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 828 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, Bismarck Municip, ND at 00:00Z on 2016-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.1939Sfc1 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
828 J/kg
Mixed-layer CIN
-106 J/kg
Mixed-layer LCL
2621 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 9, 6:05 PM MDTMesoscale DiscussionSPCAdams, Billings, Bowman, Burke, Divide, Dunn and 8 more85 min
Jun 9, 9:25 PM MDTMesoscale DiscussionSPCAdams, Billings, Bottineau, Bowman, Burke, Dunn and 14 more95 min
Jun 9, 10:29 PM MDTMesoscale DiscussionSPCBenson, Cavalier, Eddy, Nelson, Ramsey, Towner and 1 more61 min
Jun 9, 10:58 PM MDTSevere Thunderstorm WatchSPCBenson, Cavalier, Eddy, Grand Forks, Griggs, Nelson and 6 more4 hr
Jun 10, 12:14 AM MDTMesoscale DiscussionSPCCavalier, Eddy, Foster, Griggs, Nelson, Ramsey and 1 more61 min
Jun 10, 1:59 AM MDTMesoscale DiscussionSPCGrand Forks, Steele, Traill, Walsh61 min

Nearby

Severe Thunderstorm Watches in North Dakota, 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.