Alert archive / Maine / Kennebec County
Weather alerts in Kennebec County, Maine, 2023
149 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Kennebec County and its neighbors
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Alerts
- 149
- Warnings
- 42
- Watches
- 26
- Advisories
- 54
- Busiest month
- December24 alerts
- Busiest day
- August 13, 202310 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Kennebec County, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 6 | 5 | 17% | 5 | 60% | 9 min |
| Flash flood warnings | 3 | 2 | 33% | 0 |
Each office's whole area, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Gray, ME: tornado warnings | 5 | 1 | 80% | 3 | 67% | 16 min |
| NWS Gray, ME: severe thunderstorm warnings | 64 | 45 | 30% | 180 | 68% | 16 min |
| NWS Gray, ME: flash flood warnings | 87 | 49 | 44% | 173 | 85% | 131 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, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Dec 31, 8:18 PM EST | Dense Fog Advisory | GYX | 10 hr |
| Jan 4, 3:26 AM EST | Winter Weather Advisory | GYX | 36 hr |
| Jan 11, 3:31 PM EST | Winter Weather Advisory | GYX | 39 hr |
| Jan 12, 2:48 PM EST | Flood Watch | GYX | 21 hr |
| Jan 13, 1:21 AM EST | Areal Flood Advisory | GYX | 5 hr |
| Jan 13, 5:27 AM EST | Areal Flood Advisory | GYX | 3 hr |
| Jan 14, 2:47 AM EST | Winter Weather Advisory | GYX | 10 hr |
| Jan 14, 3:16 PM EST | Winter Weather Advisory | GYX | 60 hr |
| Jan 18, 3:54 PM EST | Winter Storm Watch | GYX | 11 hr |
| Jan 19, 3:15 AM EST | Winter Storm Warning | GYX | 40 hr |
| Jan 21, 2:59 AM EST | Winter Storm Watch | GYX | 25 hr |
| Jan 22, 3:51 AM EST | Winter Storm Warning | GYX | 40 hr |
| Jan 23, 1:47 PM EST | Mesoscale Discussion | SPC | 3 hr |
| Jan 24, 3:21 AM EST | Winter Storm Watch | GYX | 13 hr |
| Jan 24, 3:59 PM EST | Winter Storm Warning | GYX | 47 hr |
| Jan 25, 8:07 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 26, 1:18 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 26, 4:45 AM EST | Areal Flood Advisory | GYX | 4 hr |
| Feb 1, 3:31 AM EST | Wind Chill Watch | GYX | 24 hr |
| Feb 2, 3:31 AM EST | Wind Chill Warning | GYX | 63 hr |
| Feb 3, 2:42 AM EST | Special Weather Statement | GYX | 63 min |
| Feb 10, 3:25 AM EST | Dense Fog Advisory | GYX | 7 hr |
| Feb 16, 3:02 AM EST | Winter Weather Advisory | GYX | 40 hr |
| Feb 17, 9:10 AM EST | Special Weather Statement | GYX | 35 min |
| Feb 21, 3:22 AM EST | Winter Storm Watch | GYX | 24 hr |
| Feb 22, 3:50 AM EST | Winter Storm Warning | GYX | 30 hr |
| Feb 26, 2:12 PM EST | Winter Storm Watch | GYX | 13 hr |
| Feb 27, 3:10 AM EST | Winter Weather Advisory | GYX | 48 hr |
| Feb 27, 3:07 PM EST | Winter Storm Warning | GYX | 36 hr |
| Mar 1, 3:23 PM EST | Winter Weather Advisory | GYX | 24 hr |
| Mar 2, 2:54 PM EST | Winter Storm Watch | GYX | 21 hr |
| Mar 3, 3:07 AM EST | Winter Storm Warning | GYX | 40 hr |
| Mar 4, 1:40 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Mar 4, 5:24 AM EST | Special Weather Statement | GYX | 66 min |
| Mar 5, 9:44 PM EST | Wind Advisory | GYX | 19 hr |
| Mar 11, 3:28 PM EST | Winter Storm Watch | GYX | 47 hr |
| Mar 13, 3:26 AM EDT | Winter Storm Warning | GYX | 52 hr |
| Mar 14, 5:17 PM EDT | Special Weather Statement | GYX | 118 min |
| Mar 23, 2:55 PM EDT | Dense Fog Advisory | GYX | 9 hr |
| Mar 24, 3:22 PM EDT | Winter Weather Advisory | GYX | 43 hr |
| Apr 1, 9:15 PM EDT | Dense Fog Advisory | GYX | 4 hr |
| Apr 4, 3:28 PM EDT | Winter Weather Advisory | GYX | 39 hr |
| Apr 27, 3:46 PM EDT | Special Weather Statement | GYX | 29 min |
| Apr 29, 3:29 PM EDT | Flood Watch | GYX | 45 hr |
| Apr 30, 3:25 AM EDT | Wind Advisory | GYX | 29 hr |
| Apr 30, 11:05 PM EDT | River Flood Warning | GYX | 4 days |
| Apr 30, 11:05 PM EDT | River Flood Warning | GYX | 55 hr |
| Apr 30, 11:05 PM EDT | River Flood Warning | GYX | 60 hr |
| Apr 30, 11:05 PM EDT | River Flood Warning | GYX | 5 days |
| May 1, 2:35 AM EDT | Areal Flood Warning | GYX | 9 hr |
| May 1, 5:10 AM EDT | Flash Flood Warning | GYX | 6 hr |
| May 1, 11:00 AM EDT | Areal Flood Warning | GYX | 6 hr |
| May 1, 5:37 PM EDT | Areal Flood Advisory | GYX | 11 hr |
| May 17, 3:21 AM EDT | Freeze Watch | GYX | 12 hr |
| May 17, 3:22 PM EDT | Freeze Warning | GYX | 16 hr |
| May 18, 2:41 PM EDT | Frost Advisory | GYX | 17 hr |
| May 20, 11:32 PM EDT | Areal Flood Warning | GYX | 6 hr |
| May 22, 3:02 PM EDT | Frost Advisory | GYX | 16 hr |
| Jun 2, 2:47 PM EDT | Special Weather Statement | GYX | 28 min |
| Jun 2, 3:21 PM EDT | Special Weather Statement | GYX | 39 min |
| Jun 13, 3:39 AM EDT | Dense Fog Advisory | GYX | 4 hr |
| Jun 13, 6:51 PM EDT | Dense Fog Advisory | GYX | 9 hr |
| Jun 16, 4:22 PM EDT | Special Weather Statement | GYX | 38 min |
| Jun 16, 4:55 PM EDT | Areal Flood Advisory | GYX | 2 hr |
| Jun 16, 5:43 PM EDT | Areal Flood Advisory | GYX | 2 hr |
| Jun 17, 6:43 AM EDT | Flood Watch | GYX | 14 hr |
| Jun 18, 12:54 PM EDT | River Flood Warning | GYX | 44 hr |
| Jun 25, 8:13 PM EDT | Areal Flood Advisory | GYX | 2 hr |
| Jun 28, 9:06 PM EDT | Dense Fog Advisory | GYX | 12 hr |
| Jun 29, 4:44 PM EDT | Areal Flood Advisory | GYX | 33 min |
| Jun 29, 6:42 PM EDT | Dense Fog Advisory | GYX | 15 hr |
| Jun 29, 9:09 PM EDT | Areal Flood Advisory | GYX | 4 hr |
| Jun 30, 10:35 PM EDT | Dense Fog Advisory | GYX | 10 hr |
| Jul 2, 2:54 AM EDT | Dense Fog Advisory | GYX | 6 hr |
| Jul 2, 2:37 PM EDT | Flood Watch | GYX | 15 hr |
| Jul 5, 3:35 PM EDT | Heat Advisory | GYX | 27 hr |
| Jul 15, 3:23 AM EDT | Flood Watch | GYX | 47 hr |
| Jul 16, 7:18 AM EDT | Special Weather Statement | GYX | 42 min |
| Jul 16, 4:02 PM EDT | Areal Flood Warning | GYX | 6 hr |
| Jul 25, 4:00 PM EDT | Special Weather Statement | GYX | 30 min |
| Jul 25, 4:25 PM EDT | Special Weather Statement | GYX | 35 min |
| Jul 25, 5:26 PM EDT | Severe Thunderstorm Warning | GYX | 49 min |
| Jul 26, 1:52 PM EDT | Flood Watch | GYX | 28 hr |
| Jul 27, 12:48 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 27, 4:20 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Jul 29, 7:34 AM EDT | Flood Watch | GYX | 14 hr |
| Jul 29, 6:33 PM EDT | Areal Flood Advisory | GYX | 6 hr |
| Jul 31, 2:05 PM EDT | Special Weather Statement | GYX | 40 min |
| Aug 5, 1:59 PM EDT | Special Weather Statement | GYX | 31 min |
| Aug 7, 2:52 PM EDT | Flood Watch | GYX | 31 hr |
| Aug 8, 5:22 AM EDT | Areal Flood Advisory | GYX | 3 hr |
| Aug 8, 6:19 AM EDT | Areal Flood Advisory | GYX | 116 min |
| Aug 8, 8:27 AM EDT | Flash Flood Warning | GYX | 6 hr |
| Aug 8, 10:11 AM EDT | Flash Flood Warning | GYX | 5 hr |
| Aug 8, 1:35 PM EDT | Areal Flood Warning | GYX | 8 hr |
| Aug 8, 1:45 PM EDT | Areal Flood Warning | GYX | 8 hr |
| Aug 13, 12:35 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Aug 13, 1:51 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 13, 2:28 PM EDT | Severe Thunderstorm Warning | GYX | 47 min |
| Aug 13, 3:15 PM EDT | Special Weather Statement | GYX | 30 min |
| Aug 13, 3:22 PM EDT | Severe Thunderstorm Warning | GYX | 53 min |
| Aug 13, 3:32 PM EDT | Severe Thunderstorm Warning | GYX | 43 min |
| Aug 13, 3:58 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Aug 13, 4:32 PM EDT | Special Weather Statement | GYX | 43 min |
| Aug 13, 4:36 PM EDT | Severe Thunderstorm Warning | GYX | 54 min |
| Aug 13, 5:27 PM EDT | Severe Thunderstorm Warning | GYX | 48 min |
| Sep 4, 7:08 AM EDT | Dense Fog Advisory | GYX | 112 min |
| Sep 6, 3:11 PM EDT | Heat Advisory | GYX | 27 hr |
| Sep 8, 3:34 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 8, 5:32 PM EDT | Special Weather Statement | GYX | 43 min |
| Sep 8, 6:47 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Sep 11, 10:37 PM EDT | Areal Flood Advisory | GYX | 113 min |
| Sep 14, 5:38 PM EDT | Tropical Storm Warning | GYX | 50 hr |
| Sep 18, 3:28 AM EDT | Flood Watch | GYX | 30 hr |
| Sep 19, 2:15 AM EDT | Areal Flood Advisory | GYX | 4 hr |
| Sep 19, 6:01 AM EDT | Areal Flood Advisory | GYX | 3 hr |
| Sep 29, 6:26 AM EDT | Dense Fog Advisory | GYX | 3 hr |
| Oct 5, 2:52 AM EDT | Dense Fog Advisory | GYX | 9 hr |
| Oct 5, 2:03 PM EDT | Dense Fog Advisory | GYX | 17 hr |
| Oct 6, 2:29 PM EDT | Flood Watch | GYX | 36 hr |
| Oct 8, 12:01 AM EDT | Areal Flood Advisory | GYX | 5 hr |
| Oct 12, 4:37 PM EDT | Special Weather Statement | GYX | 23 min |
| Oct 20, 11:19 PM EDT | Dense Fog Advisory | GYX | 10 hr |
| Nov 17, 5:04 AM EST | Dense Fog Advisory | GYX | 4 hr |
| Nov 26, 3:07 PM EST | Wind Advisory | GYX | 18 hr |
| Dec 2, 3:28 PM EST | Winter Storm Watch | GYX | 12 hr |
| Dec 3, 3:32 AM EST | Winter Storm Warning | GYX | 33 hr |
| Dec 8, 2:59 PM EST | Flood Watch | GYX | 67 hr |
| Dec 8, 3:09 PM EST | High Wind Watch | GYX | 36 hr |
| Dec 10, 5:01 AM EST | Dense Fog Advisory | GYX | 10 hr |
| Dec 11, 4:24 AM EST | Areal Flood Warning | GYX | 6 hr |
| Dec 11, 8:04 AM EST | River Flood Warning | GYX | 33 hr |
| Dec 11, 8:04 AM EST | River Flood Warning | GYX | 33 hr |
| Dec 11, 8:04 AM EST | River Flood Warning | GYX | 41 hr |
| Dec 11, 8:04 AM EST | River Flood Warning | GYX | 35 hr |
| Dec 13, 6:42 AM EST | Special Weather Statement | GYX | 63 min |
| Dec 13, 1:01 PM EST | Special Weather Statement | GYX | 44 min |
| Dec 16, 3:17 PM EST | Flood Watch | GYX | 58 hr |
| Dec 17, 2:44 PM EST | High Wind Warning | GYX | 28 hr |
| Dec 17, 2:44 PM EST | Wind Advisory | GYX | 28 hr |
| Dec 18, 7:54 AM EST | Areal Flood Advisory | GYX | 3 hr |
| Dec 18, 9:42 AM EST | Areal Flood Warning | GYX | 9 hr |
| Dec 18, 12:34 PM EST | River Flood Warning | GYX | 4 days |
| Dec 18, 12:34 PM EST | River Flood Warning | GYX | 66 hr |
| Dec 18, 12:34 PM EST | River Flood Warning | GYX | 3 days |
| Dec 18, 12:34 PM EST | River Flood Warning | GYX | 66 hr |
| Dec 18, 6:37 PM EST | Wind Advisory | GYX | 3 hr |
| Dec 25, 8:04 PM EST | Dense Fog Advisory | GYX | 13 hr |
| Dec 26, 5:22 PM EST | Dense Fog Advisory | GYX | 16 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 | 6 |
| Severe Thunderstorm Watch | 3 |
| Mesoscale Discussion | 8 |
| Special Weather Statement | 19 |
| Flooding | |
| Areal Flood Warning | 8 |
| Flash Flood Warning | 3 |
| River Flood Warning | 13 |
| Flood Watch | 12 |
| Areal Flood Advisory | 17 |
| Winter | |
| Winter Storm Warning | 8 |
| Winter Storm Watch | 8 |
| Winter Weather Advisory | 9 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 1 |
| Wind Chill Warning | 1 |
| Freeze Watch | 1 |
| Wind Chill Watch | 1 |
| Frost Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Wind Advisory | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 19 |
| Tropical | |
| Tropical Storm Warning | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20222024
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.