Alert archive / Minnesota / Severe Thunderstorm Watches in 2015
Severe Thunderstorm Watch 460
The Storm Prediction Center issued this severe thunderstorm watch at Aug 1, 2015, 6:04 PM CDT for 32 counties in Minnesota; Ransom County, Richland County, Sargent County, North Dakota; 21 counties in South Dakota. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 1, 2015, 6:04 PM CDT (23:04 UTC)
- Expired
- Aug 1, 2015, 8:57 PM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 56 counties
Big Stone County, MN, Blue Earth County, MN, Brown County, MN, Chippewa County, MN, Cottonwood County, MN, Douglas County, MN, Faribault County, MN, Grant County, MN, Jackson County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Lincoln County, MN, Lyon County, MN, Martin County, MN, McLeod County, MN, Meeker 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, Sibley County, MN, Stearns County, MN, Stevens County, MN, Swift County, MN, Traverse County, MN, Watonwan County, MN, Wilkin County, MN, Yellow Medicine County, MN, Ransom County, ND, Richland County, ND, Sargent County, ND, Beadle County, SD, Brookings County, SD, Brown County, SD, Clark County, SD, Codington County, SD, Day County, SD, Deuel County, SD, Grant County, SD, Hamlin County, SD, Hand County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, Marshall County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Roberts County, SD, Sanborn County, SD, Spink County, SD
The radar
The Aberdeen radar (KABR), 120 km from the middle of the area, began a volume at 23:04 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
- 40%
- 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%
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 1, 3:13 PM CDT | Mesoscale Discussion | SPC | Big Stone, Chippewa, Cottonwood, Kandiyohi, Lac qui Parle, Lincoln and 11 more | 62 min |
| Aug 1, 4:27 AM CDT | Mesoscale Discussion | SPC | Bennett, Jackson, Mellette, Oglala Lakota, Pennington, Todd | 3 hr |
Nearby
Severe Thunderstorm Watches in Minnesota, 2015Severe Thunderstorm Watches in South Dakota, 2015Severe Thunderstorm Watches in North Dakota, 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.