Alert archive / North Dakota / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 614
The Storm Prediction Center issued this severe thunderstorm watch at Aug 16, 2002, 6:25 PM CDT for 4 counties in Minnesota; 17 counties in North Dakota; 7 counties in South Dakota. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 16, 2002, 6:25 PM CDT (23:25 UTC)
- Expired
- Aug 17, 2002, 12:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 28 counties
Clay County, MN, Norman County, MN, Polk County, MN, Wilkin County, MN, Barnes County, ND, Cass County, ND, Dickey County, ND, Eddy County, ND, Foster County, ND, Grand Forks County, ND, Griggs County, ND, LaMoure County, ND, Logan County, ND, McIntosh County, ND, Nelson County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Steele County, ND, Stutsman County, ND, Traill County, ND, Brown County, SD, Day County, SD, Edmunds County, SD, Grant County, SD, Marshall County, SD, McPherson County, SD, Roberts County, SD
The radar
The Aberdeen radar (KABR), 94 km from the middle of the area, began a volume at 23:26 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.
Warnings issued inside it
13 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 8:25 PM CDT | Severe Thunderstorm Warning | FGF | Cass | 50 min |
| Aug 16, 9:01 PM CDT | Severe Thunderstorm Warning | FGF | Norman | 29 min |
| Aug 16, 9:03 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure | 57 min |
| Aug 16, 9:10 PM CDT | Severe Thunderstorm Warning | FGF | Polk | 50 min |
| Aug 16, 9:22 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 38 min |
| Aug 16, 9:29 PM CDT | Severe Thunderstorm Warning | FGF | Mahnomen, Norman | 46 min |
| Aug 16, 9:37 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 38 min |
| Aug 16, 10:03 PM CDT | Severe Thunderstorm Warning | FGF | Sargent | 42 min |
| Aug 16, 10:11 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 49 min |
| Aug 16, 10:13 PM CDT | Severe Thunderstorm Warning | FGF | Cass | 47 min |
| Aug 16, 10:16 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 29 min |
| Aug 16, 10:29 PM CDT | Severe Thunderstorm Warning | FGF | Clay | 46 min |
| Aug 16, 10:34 PM CDT | Severe Thunderstorm Warning | FGF | Wilkin | 41 min |
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 11.4 hours before the alert went out and 156 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1967 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 11:55 AM CDT | Severe Thunderstorm Watch | SPC | Jackson, Lincoln, Lyon, Murray, Nobles, Pipestone and 1 more | 4 hr |
| Aug 16, 1:20 PM CDT | Severe Thunderstorm Watch | SPC | Billings, Divide, Golden Valley, McKenzie, Williams | 6 hr |
| Aug 16, 3:40 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Billings, Bottineau, Burke, Burleigh, Dunn and 18 more | 5 hr |
Nearby
Severe Thunderstorm Watches in North Dakota, 2002Severe Thunderstorm Watches in South Dakota, 2002Severe Thunderstorm Watches in Minnesota, 2002Every severe thunderstorm watch in 2002
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.