Storm log
Monday, Aug. 10, 2020
1-inch hail 1 mile east-southeast of Northfield; Faribault under a severe thunderstorm warning
The National Weather Service logged one storm report within 20 miles, a hail report. It issued six severe thunderstorm warnings for Rice County; one, a severe thunderstorm warning from 3:46 to 4:30 a.m., included Faribault.
- Largest hail within 20 miles
- 1 in.1 mile east-southeast of Northfield
- Storm reports
- 1Within 20 miles
- Warnings
- 6For Rice County
- Under a warning
- 0 hr 44 minFaribault, under a tornado, severe thunderstorm or flash flood warning
- Faribault warned
- YesSevere thunderstorm warning, 3:46 to 4:30 a.m.
- Forecast in effect: The Storm Prediction Center's outlook in effect when the storm began, issued at 2:55 p.m. the day before, had Faribault in a slight risk of severe storms. Its chances within 25 miles of Faribault: a tornado 2%; hail 1 inch or larger 5%; wind 58 mph or stronger 15%.
- In 2020: Rice County's second day with a severe thunderstorm warning, and the 19th storm day of the year.
- Against the records: The storm log's eighth-biggest storm day since 2006.
- Severe thunderstorm warning, 2:08 to 2:45 a.m.
- Severe thunderstorm warning, 2:41 to 3:30 a.m.
- Severe thunderstorm warning, 3:29 to 3:52 a.m.
- Severe thunderstorm warning, 3:46 to 4:30 a.m.; over Faribault
- Severe thunderstorm warning, 4:10 to 5 a.m.
- Severe thunderstorm warning, 5:27 to 5:37 a.m.
- 1 storm report, 3:40 a.m.
Bars: warnings, from issue to end; filled when the warning covered Faribault. Dots: storm reports at the time of each.
- Temperature 57° to 75°
- Wind gusts to 35 mph
- Pressure 29.84 to 30.03 in.
High 75° at 1:15 a.m., low 57° at 12:35 a.m., Aug. 11. Peak gust 35 mph at 3:55 a.m. Shaded: the storm's round (2:08 to 5:37 a.m.). The airport reports about every 20 minutes, so a gust between its reports isn't in this record. Pressure is its altimeter setting, in inches of mercury. Over The airport's day Midnight to midnight standard time all year (1 a.m. to 1 a.m. in daylight time): the day the airport's high and low cover. This site's report card: midnight to midnight standard time.
- Hail 1
- Severe thunderstorm warning outlines 6
- Hail dots are sized by the hail.
- Faribault
- 20 miles
Readings saved when the warning ended
Chanhassen radar (KMPX), saved during the warning
Within 20 miles of Faribault, from the National Weather Service; the numbers match the map.
| No. | Time | Report | Where | From Faribault | Reported by |
|---|---|---|---|---|---|
| 1 | 3:40 a.m. | Hail 1 in. (quarter)RemarkPEA TO QUARTER SIZE HAIL LASTING 2 MINUTES. | 1 mile east-southeast of Northfield | 13 miles northeast of Faribault | Emergency management |
Each opens to its details. “What happened” is this site's own check, not the National Weather Service's verification: a report of the warning's kind, at warning size, inside its outline while it was in effect.
Severe thunderstorm warning 2:08 to 2:45 a.m. Faribault outside
- Issued
- 2:08 a.m.
- In effect until
- 2:45 a.m.
- Area
- The outline the weather service drew (on the map)
- Faribault
- No, outside its area.
- What happened (the site's check)
- No report of its kind at warning size fell inside it while it was in effect.
Severe thunderstorm warning 2:41 to 3:30 a.m. Faribault outside
- Issued
- 2:41 a.m.
- In effect until
- 3:30 a.m.
- Area
- The outline the weather service drew (on the map)
- Faribault
- No, outside its area.
- What happened (the site's check)
- Yes: hail 1 in. (quarter) 2 miles east-southeast of Farmington at 2:54 a.m.
Severe thunderstorm warning 3:29 to 3:52 a.m. Faribault outside
- Issued
- 3:29 a.m.
- In effect until
- 3:52 a.m.
- Area
- The outline the weather service drew (on the map)
- Faribault
- No, outside its area.
- What happened (the site's check)
- Yes: hail 1 in. (quarter) 1 mile east-southeast of Northfield at 3:40 a.m.
Severe thunderstorm warning 3:46 to 4:30 a.m. Included Faribault
- Issued
- 3:46 a.m.
- In effect until
- 4:30 a.m.
- Area
- The outline the weather service drew (on the map)
- Faribault
- Yes, inside its area.
- What happened (the site's check)
- No report of its kind at warning size fell inside it while it was in effect.
Severe thunderstorm warning 4:10 to 5 a.m. Faribault outside
- Issued
- 4:10 a.m.
- In effect until
- 5 a.m.
- Area
- The outline the weather service drew (on the map)
- Faribault
- No, outside its area.
- What happened (the site's check)
- No report of its kind at warning size fell inside it while it was in effect.
Severe thunderstorm warning 5:27 to 5:37 a.m. Faribault outside
- Issued
- 5:27 a.m.
- In effect until
- 5:37 a.m.
- Area
- The outline the weather service drew (on the map)
- Faribault
- No, outside its area.
- What happened (the site's check)
- No report of its kind at warning size fell inside it while it was in effect.
- Aug. 11, 2007: 1-inch hail in Waseca; Faribault under a severe thunderstorm warning
- Aug. 1, 2012: 1-inch hail 1 mile south-southwest of Northfield; Faribault under a severe thunderstorm warning
- Aug. 24, 2021: 1-inch hail in Lonsdale; severe thunderstorm warning nearby
Storm days since 2005 whose first tag is Hail, as this one's is, nearest in largest hail, then in time of year; never within two days of this one.