Alert archive / Wisconsin / Oconto County
Weather alerts in Oconto County, Wisconsin, 2018
88 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Oconto County and its neighbors
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Alerts
- 88
- Warnings
- 21
- Watches
- 15
- Advisories
- 23
- Busiest month
- June16 alerts
- Busiest day
- July 1, 201810 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 2 tornado warnings covering Oconto County in 2018 had a tornado report inside them.
Oconto County, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 9 | 5 | 44% | 7 | 100% | 19 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Green Bay, WI: tornado warnings | 9 | 2 | 78% | 4 | 50% | 4 min |
| NWS Green Bay, WI: severe thunderstorm warnings | 73 | 42 | 42% | 130 | 68% | 22 min |
| NWS Green Bay, WI: flash flood warnings | 3 | 2 | 33% | 3 | 67% | 41 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 3, 2:37 PM CST | Wind Chill Advisory | GRB | 19 hr |
| Jan 4, 3:00 PM CST | Wind Chill Advisory | GRB | 19 hr |
| Jan 10, 2:43 PM CST | Winter Weather Advisory | GRB | 31 hr |
| Jan 14, 4:24 AM CST | Winter Weather Advisory | GRB | 44 hr |
| Jan 20, 3:11 PM CST | Winter Storm Watch | GRB | 23 hr |
| Jan 21, 2:35 PM CST | Winter Storm Warning | GRB | 33 hr |
| Jan 21, 2:35 PM CST | Winter Weather Advisory | GRB | 30 hr |
| Feb 1, 1:56 PM CST | Wind Chill Advisory | GRB | 20 hr |
| Feb 2, 2:03 PM CST | Winter Weather Advisory | GRB | 44 hr |
| Feb 4, 12:24 PM CST | Wind Chill Advisory | GRB | 22 hr |
| Feb 18, 4:17 AM CST | Winter Storm Watch | GRB | 24 hr |
| Feb 18, 2:50 PM CST | Winter Weather Advisory | GRB | 47 hr |
| Feb 22, 3:20 AM CST | Winter Weather Advisory | GRB | 30 hr |
| Feb 24, 4:07 AM CST | Winter Weather Advisory | GRB | 23 hr |
| Mar 4, 2:52 PM CST | Winter Weather Advisory | GRB | 54 hr |
| Mar 30, 4:20 AM CDT | Winter Storm Warning | GRB | 33 hr |
| Mar 30, 4:20 AM CDT | Winter Weather Advisory | GRB | 33 hr |
| Apr 1, 2:58 PM CDT | Winter Storm Watch | GRB | 24 hr |
| Apr 2, 2:48 PM CDT | Winter Storm Warning | GRB | 12 hr |
| Apr 3, 3:11 AM CDT | Winter Storm Warning | GRB | 28 hr |
| Apr 12, 2:48 PM CDT | Lakeshore Flood Watch | GRB | 24 hr |
| Apr 12, 3:15 PM CDT | Winter Storm Watch | GRB | 37 hr |
| Apr 13, 2:29 PM CDT | Lakeshore Flood Warning | GRB | 60 hr |
| Apr 13, 3:29 PM CDT | Special Weather Statement | GRB | 46 min |
| Apr 13, 3:35 PM CDT | Winter Weather Advisory | GRB | 30 hr |
| Apr 14, 12:15 AM CDT | Winter Storm Warning | GRB | 42 hr |
| Apr 14, 5:40 PM CDT | Blizzard Warning | GRB | 24 hr |
| Apr 15, 5:53 PM CDT | Winter Weather Advisory | GRB | 18 hr |
| Apr 22, 9:53 AM CDT | River Flood Warning | GRB | 3 days |
| May 25, 6:42 PM CDT | Special Weather Statement | GRB | 48 min |
| May 26, 11:43 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 26, 8:03 PM CDT | Special Weather Statement | GRB | 42 min |
| Jun 2, 5:42 PM CDT | Special Weather Statement | GRB | 48 min |
| Jun 4, 7:25 PM CDT | Special Weather Statement | GRB | 50 min |
| Jun 12, 6:56 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 15, 8:28 PM CDT | Special Weather Statement | GRB | 92 min |
| Jun 16, 3:30 AM CDT | Flash Flood Watch | GRB | 53 hr |
| Jun 17, 3:08 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 17, 3:46 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 17, 6:29 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 17, 8:16 PM CDT | Severe Thunderstorm Warning | GRB | 59 min |
| Jun 17, 9:12 PM CDT | Severe Thunderstorm Warning | GRB | 51 min |
| Jun 17, 9:24 PM CDT | Tornado Warning | GRB | 24 min |
| Jun 17, 9:35 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jun 28, 3:14 PM CDT | Heat Advisory | GRB | 52 hr |
| Jun 30, 3:31 AM CDT | Excessive Heat Warning | GRB | 15 hr |
| Jun 30, 4:23 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Jun 30, 4:41 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 30, 8:05 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jul 1, 11:37 AM CDT | Mesoscale Discussion | SPC | 83 min |
| Jul 1, 12:04 PM CDT | Tornado Watch | SPC | 6 hr |
| Jul 1, 12:23 PM CDT | Severe Thunderstorm Warning | GRB | 82 min |
| Jul 1, 12:43 PM CDT | Tornado Warning | GRB | 47 min |
| Jul 1, 1:37 PM CDT | Severe Thunderstorm Warning | GRB | 53 min |
| Jul 1, 1:37 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jul 1, 2:40 PM CDT | Severe Thunderstorm Warning | GRB | 50 min |
| Jul 1, 3:13 PM CDT | Severe Thunderstorm Warning | GRB | 47 min |
| Jul 1, 3:18 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jul 4, 2:54 PM CDT | Special Weather Statement | GRB | 81 min |
| Jul 4, 4:17 PM CDT | Special Weather Statement | GRB | 73 min |
| Jul 9, 7:22 PM CDT | Special Weather Statement | GRB | 23 min |
| Jul 12, 8:47 AM CDT | Special Weather Statement | GRB | 73 min |
| Aug 5, 11:16 AM CDT | Special Weather Statement | GRB | 59 min |
| Aug 26, 2:15 PM CDT | Flash Flood Watch | GRB | 55 hr |
| Aug 27, 5:27 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 27, 6:01 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 27, 9:48 PM CDT | Severe Thunderstorm Warning | GRB | 42 min |
| Aug 28, 1:14 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 4, 8:41 AM CDT | Flash Flood Watch | GRB | 23 hr |
| Sep 20, 8:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Sep 20, 10:54 PM CDT | Special Weather Statement | GRB | 66 min |
| Sep 20, 11:41 PM CDT | Severe Thunderstorm Warning | GRB | 34 min |
| Sep 21, 2:34 PM CDT | Frost Advisory | GRB | 17 hr |
| Sep 28, 2:55 AM CDT | Frost Advisory | GRB | 30 hr |
| Sep 28, 2:55 AM CDT | Freeze Warning | GRB | 30 hr |
| Oct 3, 2:31 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Oct 3, 3:31 PM CDT | Tornado Watch | SPC | 7 hr |
| Oct 3, 7:29 PM CDT | Severe Thunderstorm Warning | GRB | 19 min |
| Oct 3, 9:18 PM CDT | Special Weather Statement | GRB | 42 min |
| Oct 3, 9:22 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Oct 3, 9:59 PM CDT | Special Weather Statement | GRB | 61 min |
| Oct 8, 3:04 PM CDT | Flood Watch | GRB | 48 hr |
| Nov 8, 2:51 PM CST | Winter Weather Advisory | GRB | 33 hr |
| Dec 1, 3:41 AM CST | Winter Weather Advisory | GRB | 39 hr |
| Dec 12, 9:16 PM CST | Dense Fog Advisory | GRB | 13 hr |
| Dec 26, 4:16 AM CST | Winter Weather Advisory | GRB | 30 hr |
| Dec 30, 2:31 PM CST | Winter Weather Advisory | GRB | 36 hr |
| Dec 31, 11:50 AM CST | Mesoscale Discussion | SPC | 6 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 9 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 15 |
| Special Weather Statement | 14 |
| Flooding | |
| River Flood Warning | 1 |
| Flash Flood Watch | 3 |
| Flood Watch | 1 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Warning | 5 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 15 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 1 |
| Frost Advisory | 2 |
| Wind Chill Advisory | 4 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
| Coast and beach | |
| Lakeshore Flood Warning | 1 |
| Lakeshore Flood Watch | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
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.