Alert archive / North Dakota / Severe Thunderstorm Watches in 2016
Severe Thunderstorm Watch 241
The Storm Prediction Center issued this severe thunderstorm watch at Jun 9, 2016, 11:58 PM CDT for 12 counties in North Dakota. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 9, 2016, 11:58 PM CDT (04:58 UTC)
- Expired
- Jun 10, 2016, 4:24 AM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
Counties Benson County, ND, Cavalier County, ND, Eddy County, ND, Grand Forks County, ND, Griggs County, ND, Nelson County, ND, Pembina County, ND, Ramsey County, ND, Steele County, ND, Towner County, ND, Traill County, ND, Walsh County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 133 km from the middle of the area, began a volume at 05:00 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
- 20%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 12:04 AM CDT | Severe Thunderstorm Warning | FGF | Benson, Towner | 41 min |
| Jun 10, 1:29 AM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy, Ramsey | 46 min |
| Jun 10, 2:11 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Benson, Eddy, Griggs, Nelson, Ramsey and 1 more | 49 min |
| Jun 10, 2:56 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Griggs, Nelson, Steele, Traill, Walsh | 49 min |
| Jun 10, 3:44 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Traill | 46 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, 5.0 hours before the alert went out and 231 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.
- 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
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 7:05 PM CDT | Mesoscale Discussion | SPC | Adams, Billings, Bowman, Burke, Divide, Dunn and 8 more | 85 min |
| Jun 9, 7:43 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Billings, Bottineau, Bowman, Burke, Divide and 19 more | 7 hr |
| Jun 9, 10:25 PM CDT | Mesoscale Discussion | SPC | Adams, Billings, Bottineau, Bowman, Burke, Dunn and 14 more | 95 min |
| Jun 9, 11:29 PM CDT | Mesoscale Discussion | SPC | Benson, Cavalier, Eddy, Nelson, Ramsey, Towner and 1 more | 61 min |
| Jun 10, 1:14 AM CDT | Mesoscale Discussion | SPC | Cavalier, Eddy, Foster, Griggs, Nelson, Ramsey and 1 more | 61 min |
| Jun 10, 2:59 AM CDT | Mesoscale Discussion | SPC | Grand Forks, Steele, Traill, Walsh | 61 min |
Nearby
Severe 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.