Storm log
Tuesday, May 16, 2017
2.5-inch hail in Northfield; severe thunderstorm warnings nearby
The National Weather Service logged seven storm reports within 20 miles, all of them hail, in three rounds: 12:12 a.m., 3:20 to 3:49 p.m. and 5:32 to 7:08 p.m. It issued three severe thunderstorm warnings for Rice County; none included Faribault.
- Largest hail within 20 miles
- 2.5 in.In Northfield
- Storm reports
- 7Within 20 miles
- Warnings
- 3For Rice County
- Faribault warned
- NoEvery warning's area left it out
- Forecast that morning: The Storm Prediction Center's outlook that morning, issued at 7:52 a.m., had Faribault in a slight risk of severe storms. Its chances within 25 miles of Faribault: a tornado 2%; hail 1 inch or larger 15%; wind 58 mph or stronger 15%.
- In 2017: Rice County's second day with a severe thunderstorm warning, and the 10th storm day of the year.
- Against the records: One of the storm log's 25 biggest storm days since 2006.
Round 1, 12:12 a.m.Round 2, 3:20 to 3:49 p.m.Round 3, 5:32 to 7:08 p.m.
- Severe thunderstorm warning, 3:27 to 3:49 p.m.
- Severe thunderstorm warning, 5:32 to 6:15 p.m.
- Severe thunderstorm warning, 5:42 to 6:15 p.m.
- 7 storm reports, 12:12 a.m. to 7:08 p.m.
Bars: warnings, from issue to end; filled when the warning covered Faribault. Dots: storm reports at the time of each. Rounds: tornado, severe thunderstorm and flash flood warnings and storm reports with no gap of an hour or more between them; at most three, the shortest gaps joined first.
- Temperature 63° to 82°
- Wind gusts to 32 mph
- Pressure 29.47 to 29.68 in.
High 82° at 4:14 p.m., low 63° at 12:14 a.m., May 17. Peak gust 32 mph at 11:34 p.m. Shaded: the storm's rounds (12:12 a.m. and 3:20 to 3:49 p.m. and 5:32 to 7:08 p.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 7
- Severe thunderstorm warning outlines 3
- 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.
- Dennison 1
- Dundas 1
- Kenyon 1
- Kilkenny 1
- Lonsdale 1
- Near Faribault 1
- Northfield 1
| No. | Time | Report | Where | From Faribault | Reported by |
|---|---|---|---|---|---|
| 1 | 12:12 a.m. | Hail 1 in. (quarter) | in Kenyon | 14 miles east of Faribault | Member of the public |
| 2 | 3:20 p.m. | Hail 1 in. (quarter) | 2 miles north-northwest of Faribault | 2 miles northwest of Faribault | Trained storm spotter |
| 3 | 3:37 p.m. | Hail 1.75 in. (golf ball)RemarkPICTURE PROVIDED. | 1 mile northeast of Dennison | 15 miles northeast of Faribault | Member of the public |
| 4 | 5:40 p.m. | Hail 1.5 in. (walnut or Ping-Pong ball) | 5 miles east-southeast of Kilkenny | 10 miles west of Faribault | Member of the public |
| 5 | 5:55 p.m. | Hail 2.5 in. (tennis ball)RemarkREPORTED VIA TWITTER. INCLUDED PHOTO. | in Northfield | 13 miles northeast of Faribault | Member of the public |
| 6 | 6 p.m. | Hail 1 in. (quarter) | 3 miles southwest of Dundas | 8 miles north of Faribault | Amateur radio operator |
| 7 | 7:08 p.m. | Hail 2 in. (lime)RemarkPHOTO VIA SOCIAL MEDIA. | 7 miles southeast of Lonsdale | 9 miles northwest of Faribault | Member of the public |
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 3:27 to 3:49 p.m. Faribault outside
- Issued
- 3:27 p.m.
- In effect until
- 3:49 p.m.
- Area
- The outline the weather service drew (on the map)
- Faribault
- No, outside its area.
- What happened (the site's check)
- Yes: hail 1.75 in. (golf ball) 1 mile northeast of Dennison at 3:37 p.m.
Severe thunderstorm warning 5:32 to 6:15 p.m. Faribault outside
- Issued
- 5:32 p.m.
- In effect until
- 6:15 p.m.
- Area
- The outline the weather service drew (on the map)
- Faribault
- No, outside its area.
- What happened (the site's check)
- Yes: hail 2.5 in. (tennis ball) in Northfield at 5:55 p.m.
Severe thunderstorm warning 5:42 to 6:15 p.m. Faribault outside
- Issued
- 5:42 p.m.
- In effect until
- 6:15 p.m.
- Area
- The outline the weather service drew (on the map)
- Faribault
- No, outside its area.
- What happened (the site's check)
- Yes: hail 2.5 in. (tennis ball) in Northfield at 5:55 p.m.
- June 18, 2012: 2.5-inch hail in Lonsdale; flash flood warning nearby
- June 17, 2021: 2.75-inch hail 3 miles east of Northfield; severe thunderstorm warnings nearby
- May 2, 2012: Up to 1.25-inch hail in Faribault under a tornado warning
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.