Alert archive / Minnesota / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 767
The Storm Prediction Center issued this severe thunderstorm watch at Jul 19, 2003, 11:00 PM CDT for 13 counties in Minnesota; 8 counties in North Dakota. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 19, 2003, 11:00 PM CDT (04:00 UTC)
- Expired
- Jul 20, 2003, 4:00 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 21 counties
Becker County, MN, Beltrami County, MN, Clay County, MN, Clearwater County, MN, Hubbard County, MN, Mahnomen County, MN, Norman County, MN, Otter Tail County, MN, Polk County, MN, Red Lake County, MN, Todd County, MN, Wadena County, MN, Wilkin County, MN, Barnes County, ND, Cass County, ND, Griggs County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Steele County, ND, Traill County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 58 km from the middle of the area, began a volume at 03:59 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
1 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 2:48 AM CDT | Severe Thunderstorm Warning | FGF | Ransom, Sargent | 42 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, 4.0 hours before the alert went out and 277 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
- 2126 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 2042 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 145 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 7:16 PM CDT | Mesoscale Discussion | SPC | Beltrami, Clearwater, Itasca, Kittson, Koochiching, Marshall and 5 more | 89 min |
| Jul 20, 1:15 AM CDT | Severe Thunderstorm Watch | SPC | Big Stone, Chippewa, Cottonwood, Douglas, Grant, Jackson and 15 more | 6 hr |
| Jul 20, 2:03 AM CDT | Mesoscale Discussion | SPC | Big Stone, Chippewa, Grant, Lac qui Parle, Lincoln, Lyon and 6 more | 117 min |
| Jul 20, 3:05 AM CDT | Severe Thunderstorm Watch | SPC | Becker, Clay, Grant, Norman, Otter Tail, Wilkin | 4 hr |
| Jul 20, 4:14 AM CDT | Mesoscale Discussion | SPC | Blue Earth, Brown, Carver, Chippewa, Cottonwood, Dakota and 34 more | 3 hr |
| Jul 20, 6:45 AM CDT | Severe Thunderstorm Watch | SPC | Blue Earth, Brown, Cottonwood, Faribault, Freeborn, Jackson and 15 more | 5 hr |
| Jul 20, 10:07 AM CDT | Mesoscale Discussion | SPC | Cottonwood, Jackson, Lincoln, Lyon, Murray, Nobles and 3 more | 53 min |
| Jul 20, 1:16 PM CDT | Mesoscale Discussion | SPC | Beltrami, Cook, Itasca, Koochiching, Lake, Lake of the Woods and 2 more | 119 min |
| Jul 20, 1:55 PM CDT | Severe Thunderstorm Watch | SPC | Carlton, Lake, Saint Louis | 7 hr |
| Jul 20, 3:27 PM CDT | Mesoscale Discussion | SPC | Carlton, Lake, Saint Louis | 63 min |
| Jul 20, 5:14 PM CDT | Mesoscale Discussion | SPC | Lincoln, Lyon, Murray, Pipestone, Rock, Yellow Medicine | 2 hr |
| Jul 20, 6:47 PM CDT | Mesoscale Discussion | SPC | Lake, Saint Louis | 88 min |
| Jul 19, 11:58 PM CDT | Mesoscale Discussion | SPC | Dickey, Foster, Kidder, LaMoure, Logan, McIntosh and 1 more | 62 min |
Nearby
Severe Thunderstorm Watches in Minnesota, 2003Severe Thunderstorm Watches in North Dakota, 2003Every severe thunderstorm watch in 2003
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.