Storm log
Saturday, July 24, 2010
0.75-inch hail 1 mile north-northeast of Northfield; Faribault under a severe thunderstorm warning
The National Weather Service logged six storm reports within 20 miles: one hail and five wind. It issued three severe thunderstorm warnings for Rice County; one, a severe thunderstorm warning from 12:41 to 1:15 a.m., included Faribault.
- Largest hail within 20 miles
- 0.75 in.1 mile north-northeast of Northfield
- Storm reports
- 6Within 20 miles
- Warnings
- 3For Rice County
- Under a warning
- 0 hr 34 minFaribault, under a tornado, severe thunderstorm or flash flood warning
- Faribault warned
- YesSevere thunderstorm warning, 12:41 to 1:15 a.m.
- Forecast in effect: The Storm Prediction Center's outlook in effect when the storm began, issued at 8 p.m. the evening 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 15%; wind 58 mph or stronger 15%.
- In 2010: Rice County's sixth day with a severe thunderstorm warning, and the 16th storm day of the year.
- Severe thunderstorm warning, 12:20 to 12:45 a.m.
- Severe thunderstorm warning, 12:41 to 1:15 a.m.; over Faribault
- Severe thunderstorm warning, 12:58 to 1:20 a.m.
- 6 storm reports, 12:40 to 1:15 a.m.
Bars: warnings, from issue to end; filled when the warning covered Faribault. Dots: storm reports at the time of each.
- Temperature 63° to 81°
- Wind gusts to 40 mph
- Pressure 29.70 to 30.07 in.
High 81° at 4:14 p.m., low 63° at 11:34 p.m. Peak gust 40 mph at 1:54 a.m. Shaded: the storm's round (12:20 to 1:20 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
- Wind 5
- 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.
- Northfield 3
- Montgomery 2
- Near Faribault 1
| No. | Time | Report | Where | From Faribault | Reported by |
|---|---|---|---|---|---|
| 1 | 12:40 a.m. | Thunderstorm wind damageRemarkTREE DOWN. | 6 miles southeast of Montgomery | 13 miles northwest of Faribault | NWS co-op observer |
| 2 | 12:45 a.m. | Thunderstorm wind damageRemarkTREES AND POWER LINES DOWN. | in Montgomery | 18 miles northwest of Faribault | Law enforcement |
| 3 | 12:54 a.m. | Thunderstorm wind gust 51 mph, measuredRemarkREPORTED AT FARIBAULT AIRPORT | 3 miles northwest of Faribault | 4 miles northwest of Faribault | Airport weather station (AWOS) |
| 4 | 1:03 a.m. | Thunderstorm wind gust 56 mph, measuredRemarkRECORDED AT APRSWXNET AUTOMATED STATION | 2 miles west-northwest of Northfield | 13 miles north of Faribault | Weather station network (mesonet) |
| 5 | 1:05 a.m. | Thunderstorm wind damageRemarkTREES AND LIMBS UP TO 12 INCHES IN DIAMETER DOWN. A FEW POWER LINES DOWN. TIME ESTIMATED. | 1 mile north-northeast of Northfield | 14 miles northeast of Faribault | Trained storm spotter |
| 6 | 1:15 a.m. | Hail 0.75 in. (penny)RemarkDIME SIZED HAIL FELL ABOUT 10 MINUTES AFTER THE HIGH WINDS OCCURRED. TIME IS ESTIMATED. | 1 mile north-northeast of Northfield | 14 miles northeast of Faribault | Trained storm spotter |
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 12:20 to 12:45 a.m. Faribault outside
- Issued
- 12:20 a.m.
- In effect until
- 12:45 a.m.
- Area
- The outline the weather service drew (on the map)
- Faribault
- No, outside its area.
- What happened (the site's check)
- Yes: thunderstorm wind gust 65 mph 4 miles north of Greenland at 12:26 a.m.
Severe thunderstorm warning 12:41 to 1:15 a.m. Included Faribault
- Issued
- 12:41 a.m.
- In effect until
- 1:15 a.m.
- Area
- The outline the weather service drew (on the map)
- Faribault
- Yes, inside its area.
- What happened (the site's check)
- Yes: thunderstorm wind damage 1 mile north-northeast of Northfield at 1:05 a.m.
Severe thunderstorm warning 12:58 to 1:20 a.m. Faribault outside
- Issued
- 12:58 a.m.
- In effect until
- 1:20 a.m.
- Area
- The outline the weather service drew (on the map)
- Faribault
- No, outside its area.
- What happened (the site's check)
- Yes: thunderstorm wind damage 1 mile north-northeast of Northfield at 1:05 a.m.
- Aug. 1, 2011: 35 mph gust in Faribault under a severe thunderstorm warning
- Aug. 3, 2008: 0.75-inch hail 3 miles north-northwest of Northfield; severe thunderstorm warning nearby
- July 13, 2006: 0.75-inch hail 4 miles south of Montevideo
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.