Alert archive / North Dakota / Sargent County
Weather alerts in Sargent County, North Dakota, 2016
115 weather alerts in 2016, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Sargent County and its neighbors
Each county as a circle sized by its count in 2016. Tap one for its archive.
- Alerts
- 115
- Warnings
- 25
- Watches
- 20
- Advisories
- 32
- Busiest month
- August27 alerts
- Busiest day
- August 10, 201610 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Sargent County, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 8 | 8 | 0% | 15 | 93% | 16 min |
| Flash flood warnings | 1 | 1 | 0% | 0 |
Each office's whole area, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Grand Forks, ND: tornado warnings | 32 | 17 | 47% | 46 | 61% | 13 min |
| NWS Grand Forks, ND: severe thunderstorm warnings | 218 | 185 | 15% | 502 | 86% | 27 min |
| NWS Grand Forks, ND: flash flood warnings | 10 | 9 | 10% | 22 | 100% | 97 min |
An office's figures cover every county it serves, including across state lines.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 6, 9:05 PM CST | Winter Weather Advisory | FGF | 15 hr |
| Jan 8, 3:03 PM CST | Wind Chill Advisory | FGF | 45 hr |
| Jan 11, 2:28 PM CST | Wind Chill Advisory | FGF | 22 hr |
| Jan 15, 3:53 AM CST | Wind Chill Advisory | FGF | 38 hr |
| Jan 16, 10:05 AM CST | Wind Chill Warning | FGF | 26 hr |
| Jan 16, 10:05 AM CST | Wind Chill Advisory | FGF | 50 hr |
| Jan 20, 5:08 AM CST | Freezing Rain Advisory | FGF | 7 hr |
| Feb 5, 3:13 PM CST | Blizzard Watch | FGF | 23 hr |
| Feb 6, 2:37 PM CST | Blizzard Warning | FGF | 39 hr |
| Feb 7, 10:06 AM CST | High Wind Warning | FGF | 11 hr |
| Feb 7, 9:34 PM CST | Wind Advisory | FGF | 8 hr |
| Feb 13, 3:33 AM CST | Winter Weather Advisory | FGF | 30 hr |
| Feb 18, 3:32 PM CST | Wind Advisory | FGF | 20 hr |
| Mar 13, 9:59 PM CDT | Dense Fog Advisory | FGF | 12 hr |
| Apr 7, 4:10 AM CDT | Wind Advisory | FGF | 15 hr |
| Apr 9, 4:01 AM CDT | Wind Advisory | FGF | 14 hr |
| Apr 9, 1:57 PM CDT | Red Flag Warning | FGF | 4 hr |
| Apr 14, 3:44 AM CDT | Red Flag Warning | FGF | 15 hr |
| Apr 20, 3:38 AM CDT | Dense Fog Advisory | FGF | 6 hr |
| May 3, 5:41 AM CDT | Red Flag Warning | FGF | 14 hr |
| May 5, 12:22 PM CDT | Red Flag Warning | FGF | 9 hr |
| May 13, 4:07 AM CDT | Freeze Warning | FGF | 29 hr |
| May 14, 3:21 PM CDT | Frost Advisory | FGF | 18 hr |
| May 22, 9:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| May 25, 6:10 PM CDT | Mesoscale Discussion | SPC | 65 min |
| May 25, 9:12 PM CDT | Special Weather Statement | FGF | 63 min |
| May 25, 9:31 PM CDT | Severe Thunderstorm Warning | FGF | 32 min |
| May 30, 2:16 PM CDT | Mesoscale Discussion | SPC | 59 min |
| May 30, 2:48 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 30, 6:37 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 3, 1:28 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 12, 2:30 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jun 12, 2:50 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 22, 3:13 AM CDT | Special Weather Statement | FGF | 32 min |
| Jul 4, 1:34 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 4, 3:00 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 4, 5:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jul 4, 8:29 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jul 9, 3:00 PM CDT | Heat Advisory | FGF | 24 hr |
| Jul 9, 3:21 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 9, 8:32 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 9, 10:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jul 10, 12:46 AM CDT | Severe Thunderstorm Warning | FGF | 59 min |
| Jul 10, 10:16 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jul 10, 10:40 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 11, 4:06 AM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 16, 12:27 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 16, 1:09 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 16, 3:18 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jul 16, 10:53 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Jul 18, 3:17 PM CDT | Excessive Heat Watch | FGF | 36 hr |
| Jul 20, 3:05 AM CDT | Excessive Heat Warning | FGF | 18 hr |
| Jul 22, 12:28 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 23, 9:25 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 23, 1:41 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 23, 3:54 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 1, 3:19 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 1, 6:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 1, 8:40 PM CDT | Special Weather Statement | FGF | 50 min |
| Aug 3, 3:38 PM CDT | Tornado Watch | SPC | 7 hr |
| Aug 3, 6:29 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Aug 3, 10:59 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 3, 11:52 PM CDT | Severe Thunderstorm Warning | FGF | 38 min |
| Aug 9, 9:51 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Aug 9, 10:19 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 10, 2:11 AM CDT | Severe Thunderstorm Warning | FGF | 64 min |
| Aug 10, 4:29 AM CDT | Areal Flood Advisory | FGF | 6 hr |
| Aug 10, 11:19 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 10, 11:41 AM CDT | Severe Thunderstorm Warning | FGF | 64 min |
| Aug 10, 11:49 AM CDT | Flash Flood Watch | FGF | 16 hr |
| Aug 10, 1:15 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 10, 1:24 PM CDT | Flash Flood Warning | FGF | 6 hr |
| Aug 10, 3:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 10, 8:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 10, 10:50 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Aug 16, 3:19 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Aug 18, 7:17 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 18, 7:52 AM CDT | Severe Thunderstorm Warning | FGF | 53 min |
| Aug 18, 8:56 AM CDT | Special Weather Statement | FGF | 64 min |
| Aug 18, 9:04 AM CDT | Severe Thunderstorm Warning | FGF | 26 min |
| Aug 27, 1:32 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Aug 27, 4:05 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 28, 5:15 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Sep 4, 4:53 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 4, 6:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Sep 4, 9:16 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Sep 7, 2:11 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 7, 2:54 PM CDT | Severe Thunderstorm Warning | FGF | 66 min |
| Sep 7, 3:19 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 7, 5:44 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Sep 25, 10:15 AM CDT | Wind Advisory | FGF | 9 hr |
| Sep 26, 12:36 PM CDT | Frost Advisory | FGF | 19 hr |
| Sep 27, 2:21 PM CDT | Frost Advisory | FGF | 8 hr |
| Oct 5, 10:58 AM CDT | Wind Advisory | FGF | 8 hr |
| Oct 6, 3:00 PM CDT | Freeze Warning | FGF | 19 hr |
| Oct 7, 3:00 PM CDT | Freeze Warning | FGF | 19 hr |
| Oct 8, 2:48 PM CDT | Frost Advisory | FGF | 17 hr |
| Nov 16, 4:01 AM CST | Blizzard Watch | FGF | 33 hr |
| Nov 17, 1:04 PM CST | Blizzard Warning | FGF | 29 hr |
| Nov 17, 1:04 PM CST | Winter Weather Advisory | FGF | 29 hr |
| Nov 21, 3:29 PM CST | Winter Weather Advisory | FGF | 28 hr |
| Nov 26, 3:15 PM CST | Dense Fog Advisory | FGF | 27 hr |
| Dec 5, 3:58 AM CST | Winter Weather Advisory | FGF | 65 hr |
| Dec 5, 3:27 PM CST | Blizzard Warning | FGF | 39 hr |
| Dec 9, 2:59 PM CST | Wind Chill Advisory | FGF | 21 hr |
| Dec 12, 3:28 PM CST | Wind Chill Advisory | FGF | 19 hr |
| Dec 14, 3:29 AM CST | Wind Chill Advisory | FGF | 30 hr |
| Dec 15, 2:54 PM CST | Winter Weather Advisory | FGF | 39 hr |
| Dec 16, 4:15 AM CST | Wind Chill Warning | FGF | 56 hr |
| Dec 18, 12:00 PM CST | Wind Chill Advisory | FGF | 3 hr |
| Dec 21, 11:10 AM CST | Wind Advisory | FGF | 6 hr |
| Dec 22, 3:45 PM CST | Winter Storm Watch | FGF | 3 days |
| Dec 23, 3:41 PM CST | Blizzard Warning | FGF | 3 days |
| Dec 24, 2:13 PM CST | Ice Storm Warning | FGF | 34 hr |
| Dec 26, 12:21 AM CST | Winter Weather Advisory | FGF | 19 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20152017
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.