Alert archive / Minnesota / Severe Thunderstorm Watches in 2015
Severe Thunderstorm Watch 476
The Storm Prediction Center issued this severe thunderstorm watch at Aug 6, 2015, 3:23 PM CDT for 4 states. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 6, 2015, 3:23 PM CDT (20:23 UTC)
- Expired
- Aug 6, 2015, 10:00 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 77 counties
Lyon County, IA, Osceola County, IA, Benton County, MN, Big Stone County, MN, Blue Earth County, MN, Brown County, MN, Chippewa County, MN, Cottonwood County, MN, Douglas County, MN, Faribault 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, Morrison County, MN, Murray County, MN, Nicollet County, MN, Nobles County, MN, Pipestone County, MN, Pope County, MN, Redwood County, MN, Renville County, MN, Rock County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Traverse County, MN, Waseca County, MN, Watonwan County, MN, Wright County, MN, Yellow Medicine County, MN, Antelope County, NE, Boyd County, NE, Brown County, NE, Cedar County, NE, Holt County, NE, Keya Paha County, NE, Knox County, NE, Pierce County, NE, Rock County, NE, Aurora County, SD, Beadle County, SD, Bon Homme County, SD, Brookings County, SD, Brule County, SD, Charles Mix County, SD, Clark County, SD, Clay County, SD, Codington County, SD, Davison County, SD, Deuel County, SD, Douglas County, SD, Grant County, SD, Gregory County, SD, Hamlin County, SD, Hanson County, SD, Hutchinson County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Roberts County, SD, Sanborn County, SD, Turner County, SD, Yankton County, SD
The radar
The Sioux Falls radar (KFSD), 97 km from the middle of the area, began a volume at 20:26 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 50%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
20 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 3:57 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 26 min |
| Aug 6, 4:09 PM CDT | Tornado Warning | MPX | Kandiyohi, Swift | 36 min |
| Aug 6, 4:44 PM CDT | Tornado Warning | MPX | Kandiyohi | 31 min |
| Aug 6, 4:54 PM CDT | Severe Thunderstorm Warning | MPX | Morrison, Todd | 30 min |
| Aug 6, 5:13 PM CDT | Severe Thunderstorm Warning | MPX | Yellow Medicine | 32 min |
| Aug 6, 5:14 PM CDT | Tornado Warning | MPX | Kandiyohi | 31 min |
| Aug 6, 5:15 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Lyon | 45 min |
| Aug 6, 5:23 PM CDT | Tornado Warning | MPX | Yellow Medicine | 37 min |
| Aug 6, 5:24 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Lyon | 36 min |
| Aug 6, 5:29 PM CDT | Flash Flood Warning | MPX | Kandiyohi | 3 hr |
| Aug 6, 5:45 PM CDT | Tornado Warning | MPX | Kandiyohi | 30 min |
| Aug 6, 5:46 PM CDT | Severe Thunderstorm Warning | MPX | Yellow Medicine | 44 min |
| Aug 6, 6:10 PM CDT | Tornado Warning | MPX | Meeker, Stearns | 23 min |
| Aug 6, 6:14 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Kingsbury | 46 min |
| Aug 6, 6:22 PM CDT | Tornado Warning | FSD | Brookings, Kingsbury | 23 min |
| Aug 6, 6:50 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Moody | 40 min |
| Aug 6, 6:56 PM CDT | Tornado Warning | FSD | Brookings | 34 min |
| Aug 6, 7:22 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Lake, Moody | 38 min |
| Aug 6, 7:26 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Pipestone | 38 min |
| Aug 6, 9:02 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Nicollet | 43 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 6:06 PM CDT | Mesoscale Discussion | SPC | Lyon | 114 min |
| Aug 6, 1:51 PM CDT | Mesoscale Discussion | SPC | Lac qui Parle, Lincoln, Lyon, Pipestone, Rock, Yellow Medicine | 114 min |
Nearby
Severe Thunderstorm Watches in Minnesota, 2015Severe Thunderstorm Watches in South Dakota, 2015Severe Thunderstorm Watches in Nebraska, 2015Every severe thunderstorm watch in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.