Alert archive / Minnesota / Severe Thunderstorm Watches in 1997
Severe Thunderstorm Watch 616
The Storm Prediction Center issued this severe thunderstorm watch at Jul 17, 1997, 12:00 AM CDT for 43 counties in Minnesota; 11 counties in South Dakota. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 17, 1997, 12:00 AM CDT (05:00 UTC)
- Expired
- Jul 17, 1997, 6:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 54 counties
Anoka County, MN, Big Stone County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Chippewa County, MN, Chisago County, MN, Cottonwood County, MN, Dakota County, MN, Dodge County, MN, Faribault County, MN, Freeborn County, MN, Goodhue County, MN, Hennepin County, MN, Jackson County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Le Sueur County, MN, Lincoln County, MN, Lyon County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Mower County, MN, Murray County, MN, Nicollet County, MN, Nobles County, MN, Pipestone County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Rock County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Steele County, MN, Swift County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Wright County, MN, Yellow Medicine County, MN, Brookings County, SD, Codington County, SD, Day County, SD, Deuel County, SD, Grant County, SD, Hamlin County, SD, Kingsbury County, SD, Lake County, SD, McCook County, SD, Minnehaha County, SD, Moody County, SD
The radar
The Minneapolis radar (KMPX), 85 km from the middle of the area, began a volume at 05:01 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
18 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 12:08 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Swift | 52 min |
| Jul 17, 12:17 AM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle | 58 min |
| Jul 17, 12:33 AM CDT | Severe Thunderstorm Warning | MPX | Carver, Wright | 57 min |
| Jul 17, 12:40 AM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi | 65 min |
| Jul 17, 12:55 AM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue | 65 min |
| Jul 17, 12:55 AM CDT | Severe Thunderstorm Warning | MPX | Washington | 65 min |
| Jul 17, 12:55 AM CDT | Severe Thunderstorm Warning | MPX | Hennepin | 65 min |
| Jul 17, 1:00 AM CDT | Severe Thunderstorm Warning | MPX | Redwood, Renville, Yellow Medicine | 60 min |
| Jul 17, 1:12 AM CDT | Severe Thunderstorm Warning | MPX | Meeker | 48 min |
| Jul 17, 1:29 AM CDT | Severe Thunderstorm Warning | MPX | McLeod, Sibley | 61 min |
| Jul 17, 1:41 AM CDT | Severe Thunderstorm Warning | MPX | Wright | 49 min |
| Jul 17, 1:51 AM CDT | Severe Thunderstorm Warning | MPX | Carver | 54 min |
| Jul 17, 1:58 AM CDT | Severe Thunderstorm Warning | MPX | Dakota, Hennepin, Scott | 62 min |
| Jul 17, 2:26 AM CDT | Flash Flood Warning | MPX | Dakota, Hennepin, Ramsey | 3 hr |
| Jul 17, 2:34 AM CDT | Severe Thunderstorm Warning | MPX | Anoka, Ramsey, Washington | 56 min |
| Jul 17, 2:55 AM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue | 65 min |
| Jul 17, 3:20 AM CDT | Severe Thunderstorm Warning | ARX | Dodge, Olmsted | 55 min |
| Jul 17, 4:25 AM CDT | Severe Thunderstorm Warning | ARX | Fillmore, Mower, Olmsted, Winona | 60 min |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 5.0 hours before the alert went out and 82 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
- 2132 J/kg
- Mixed-layer CIN
- -110 J/kg
- Mixed-layer LCL
- 1981 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 1:30 AM CDT | Severe Thunderstorm Watch | SPC | Fillmore, Goodhue, Houston, Mower, Olmsted, Wabasha and 1 more | 6 hr |
| Jul 16, 7:30 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Brookings, Brown, Brule, Buffalo and 33 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Minnesota, 1997Severe Thunderstorm Watches in South Dakota, 1997Every severe thunderstorm watch in 1997
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.