Alert archive / Minnesota / Severe Thunderstorm Watches in 2016

Severe Thunderstorm Watch 264

June 17, 20169 counties in Minnesota; 4 counties in North Dakota

The Storm Prediction Center issued this severe thunderstorm watch at Jun 17, 2016, 7:20 AM CDT for 9 counties in Minnesota; 4 counties in North Dakota. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Jun 17, 2016, 7:20 AM CDT (12:20 UTC)
Expired
Jun 17, 2016, 10:50 AM CDT
In force
4 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
80 kt

Counties Beltrami County, MN, Clearwater County, MN, Kittson County, MN, Lake of the Woods County, MN, Marshall County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Grand Forks County, ND, Steele County, ND, Traill County, ND, Walsh County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 76 km from the middle of the area, began a volume at 12:20 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
40%
Ten or more severe hail reports
30%
One or more hailstones of 2 inches or more
30%
Six or more combined severe hail and wind reports
60%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 17, 7:33 AM CDTSevere Thunderstorm WarningFGFMarshall, Polk57 min
Jun 17, 7:53 AM CDTFlash Flood WarningFGFKittson, Marshall7 hr
Jun 17, 8:15 AM CDTSevere Thunderstorm WarningFGFBeltrami, Clearwater, Kittson, Marshall, Pennington, Polk and 2 more60 min
Jun 17, 8:55 AM CDTSevere Thunderstorm WarningFGFBecker, Clay, Clearwater, Mahnomen, Norman, Otter Tail65 min
Jun 17, 8:59 AM CDTSevere Thunderstorm WarningFGFBeltrami, Clearwater, Kittson, Lake of the Woods, Marshall, Pennington and 3 more61 min
Jun 17, 9:05 AM CDTSevere Thunderstorm WarningFGFBeltrami, Clearwater, Hubbard, Mahnomen, Norman, Polk55 min
Jun 17, 9:46 AM CDTSevere Thunderstorm WarningFGFBeltrami, Clearwater, Lake of the Woods44 min
Jun 17, 9:51 AM CDTSevere Thunderstorm WarningFGFBecker, Beltrami, Clearwater, Hubbard, Mahnomen, Otter Tail and 1 more54 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

International Fa, MN (KINL), launched 12:00Z, 0.3 hours before the alert went out and 265 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, International Fa, MN at 12:00Z on 2016-06-17Temperature 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, International Fa, MN at 12:00Z on 2016-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1685 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
126 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
Jun 17, 5:44 AM CDTMesoscale DiscussionSPCKittson, Marshall61 min
Jun 17, 7:32 AM CDTMesoscale DiscussionSPCBeltrami, Clearwater, Kittson, Lake of the Woods, Mahnomen, Marshall and 5 more28 min
Jun 17, 9:56 AM CDTMesoscale DiscussionSPCBeltrami, Cass, Clearwater, Douglas, Grant, Hubbard and 4 more34 min
Jun 17, 2:31 PM CDTMesoscale DiscussionSPCBrown, Chippewa, Cottonwood, Jackson, Kandiyohi, Lac qui Parle and 14 more89 min
Jun 17, 3:06 PM CDTSevere Thunderstorm WatchSPCBlue Earth, Brown, Carver, Chippewa, Cottonwood, Jackson and 21 more7 hr
Jun 17, 6:13 PM CDTMesoscale DiscussionSPCBlue Earth, Faribault, Jackson, Martin, Nobles, Pipestone and 2 more92 min
Jun 17, 12:36 AM CDTMesoscale DiscussionSPCBillings, Bowman, Dunn, Golden Valley, Hettinger, Mercer and 2 more84 min
Jun 17, 1:26 AM CDTSevere Thunderstorm WatchSPCAdams, Billings, Bowman, Burleigh, Dunn, Emmons and 17 more6 hr
Jun 17, 3:23 AM CDTMesoscale DiscussionSPCBarnes, Burleigh, Eddy, Foster, Griggs, Kidder and 7 more97 min

Nearby

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