Alert archive / Maine / Kennebec County
Weather alerts in Kennebec County, Maine, 2018
140 weather alerts in 2018, 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 2018. Tap one for its archive.
- Alerts
- 140
- Warnings
- 29
- Watches
- 13
- Advisories
- 60
- Busiest month
- January22 alerts
- Busiest day
- July 27, 20185 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, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 9 | 6 | 33% | 4 | 75% | 31 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 Gray, ME: tornado warnings | 8 | 1 | 88% | 3 | 33% | 20 min |
| NWS Gray, ME: severe thunderstorm warnings | 104 | 78 | 25% | 223 | 84% | 24 min |
| NWS Gray, ME: flash flood warnings | 16 | 7 | 56% | 21 | 76% | 73 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 |
|---|---|---|---|
| Jan 2, 2:51 PM EST | Winter Storm Watch | GYX | 24 hr |
| Jan 3, 3:54 AM EST | Blizzard Warning | GYX | 47 hr |
| Jan 3, 3:11 PM EST | Winter Storm Warning | GYX | 36 hr |
| Jan 4, 11:34 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 4, 2:58 PM EST | Wind Chill Watch | GYX | 12 hr |
| Jan 5, 3:04 AM EST | Wind Chill Warning | GYX | 55 hr |
| Jan 5, 3:04 AM EST | Wind Chill Advisory | GYX | 55 hr |
| Jan 9, 9:38 AM EST | Special Weather Statement | GYX | 67 min |
| Jan 10, 2:57 AM EST | Winter Weather Advisory | GYX | 27 hr |
| Jan 11, 3:44 PM EST | Flood Watch | GYX | 44 hr |
| Jan 12, 4:34 AM EST | Winter Weather Advisory | GYX | 33 hr |
| Jan 12, 7:59 AM EST | Dense Fog Advisory | GYX | 21 hr |
| Jan 13, 12:56 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 13, 10:00 AM EST | River Flood Warning | GYX | 4 days |
| Jan 13, 2:17 PM EST | River Flood Warning | GYX | 18 hr |
| Jan 15, 3:07 PM EST | Winter Storm Watch | GYX | 12 hr |
| Jan 16, 3:33 AM EST | Winter Storm Warning | GYX | 39 hr |
| Jan 16, 3:33 AM EST | Winter Weather Advisory | GYX | 39 hr |
| Jan 17, 9:43 AM EST | River Flood Warning | GYX | 45 hr |
| Jan 21, 2:57 PM EST | Flood Watch | GYX | 48 hr |
| Jan 22, 3:06 AM EST | Winter Weather Advisory | GYX | 41 hr |
| Jan 25, 1:18 PM EST | Areal Flood Warning | GYX | 24 hr |
| Feb 5, 3:14 PM EST | Winter Storm Watch | GYX | 24 hr |
| Feb 6, 3:18 PM EST | Winter Storm Warning | GYX | 32 hr |
| Feb 7, 11:25 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 7, 6:21 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 10, 3:27 AM EST | Winter Weather Advisory | GYX | 42 hr |
| Feb 10, 7:48 PM EST | Dense Fog Advisory | GYX | 8 hr |
| Feb 20, 3:22 PM EST | Dense Fog Advisory | GYX | 21 hr |
| Feb 23, 2:42 AM EST | Winter Weather Advisory | GYX | 19 hr |
| Feb 24, 3:18 PM EST | Winter Weather Advisory | GYX | 27 hr |
| Feb 26, 7:18 AM EST | Dense Fog Advisory | GYX | 102 min |
| Mar 2, 3:14 AM EST | Winter Weather Advisory | GYX | 16 hr |
| Mar 5, 3:36 AM EST | Winter Storm Watch | GYX | 24 hr |
| Mar 6, 3:38 AM EST | Winter Storm Warning | GYX | 63 hr |
| Mar 8, 2:31 AM EST | Special Weather Statement | GYX | 89 min |
| Mar 11, 3:49 AM EDT | Winter Storm Watch | GYX | 24 hr |
| Mar 12, 3:41 AM EDT | Winter Storm Warning | GYX | 66 hr |
| Mar 13, 2:15 PM EDT | Special Weather Statement | GYX | 3 hr |
| Mar 13, 4:53 PM EDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 13, 5:42 PM EDT | Special Weather Statement | GYX | 93 min |
| Mar 13, 7:15 PM EDT | Special Weather Statement | GYX | 2 hr |
| Mar 13, 11:44 PM EDT | Winter Weather Advisory | GYX | 19 hr |
| Mar 28, 6:07 AM EDT | Special Weather Statement | GYX | 113 min |
| Mar 30, 3:45 AM EDT | Dense Fog Advisory | GYX | 6 hr |
| Apr 3, 3:27 AM EDT | Winter Weather Advisory | GYX | 30 hr |
| Apr 3, 4:10 PM EDT | Wind Advisory | GYX | 36 hr |
| Apr 6, 5:50 PM EDT | Special Weather Statement | GYX | 55 min |
| Apr 11, 4:46 AM EDT | Dense Fog Advisory | GYX | 2 hr |
| Apr 14, 3:44 PM EDT | Winter Weather Advisory | GYX | 56 hr |
| Apr 16, 8:27 PM EDT | Areal Flood Advisory | GYX | 3 hr |
| Apr 25, 3:26 AM EDT | Flood Watch | GYX | 36 hr |
| Apr 26, 5:48 PM EDT | Special Weather Statement | GYX | 57 min |
| Apr 27, 11:55 AM EDT | River Flood Warning | GYX | 8 hr |
| May 8, 4:37 AM EDT | Dense Fog Advisory | GYX | 4 hr |
| May 8, 7:55 PM EDT | Dense Fog Advisory | GYX | 13 hr |
| May 9, 3:10 PM EDT | Dense Fog Advisory | GYX | 17 hr |
| May 11, 3:11 AM EDT | Frost Advisory | GYX | 28 hr |
| May 18, 3:34 AM EDT | Frost Advisory | GYX | 27 hr |
| May 23, 1:35 PM EDT | Severe Thunderstorm Warning | GYX | 40 min |
| May 23, 1:55 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 25, 1:54 PM EDT | Special Weather Statement | GYX | 66 min |
| Jun 28, 10:22 PM EDT | Dense Fog Advisory | GYX | 8 hr |
| Jun 29, 2:29 PM EDT | Special Weather Statement | GYX | 46 min |
| Jul 1, 12:51 AM EDT | Special Weather Statement | GYX | 39 min |
| Jul 1, 3:02 AM EDT | Severe Thunderstorm Warning | GYX | 28 min |
| Jul 1, 2:37 PM EDT | Heat Advisory | GYX | 28 hr |
| Jul 2, 8:17 PM EDT | Heat Advisory | GYX | 23 hr |
| Jul 4, 3:22 PM EDT | Heat Advisory | GYX | 29 hr |
| Jul 10, 4:33 PM EDT | Severe Thunderstorm Warning | GYX | 42 min |
| Jul 15, 11:42 AM EDT | Special Weather Statement | GYX | 48 min |
| Jul 16, 4:21 AM EDT | Dense Fog Advisory | GYX | 6 hr |
| Jul 16, 3:26 PM EDT | Dense Fog Advisory | GYX | 18 hr |
| Jul 17, 9:23 PM EDT | Special Weather Statement | GYX | 37 min |
| Jul 26, 4:15 PM EDT | Areal Flood Advisory | GYX | 2 hr |
| Jul 27, 12:10 AM EDT | Dense Fog Advisory | GYX | 10 hr |
| Jul 27, 4:46 PM EDT | Severe Thunderstorm Warning | GYX | 59 min |
| Jul 27, 4:50 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Jul 27, 5:41 PM EDT | Areal Flood Advisory | GYX | 3 hr |
| Jul 27, 5:51 PM EDT | Special Weather Statement | GYX | 39 min |
| Aug 5, 3:23 PM EDT | Heat Advisory | GYX | 51 hr |
| Aug 7, 1:03 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Aug 7, 3:01 PM EDT | Severe Thunderstorm Warning | GYX | 48 min |
| Aug 9, 11:26 AM EDT | Special Weather Statement | GYX | 34 min |
| Aug 9, 11:57 AM EDT | Special Weather Statement | GYX | 63 min |
| Aug 9, 12:25 PM EDT | Special Weather Statement | GYX | 65 min |
| Aug 9, 5:17 PM EDT | Severe Thunderstorm Warning | GYX | 43 min |
| Aug 15, 12:26 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 15, 3:46 PM EDT | Special Weather Statement | GYX | 44 min |
| Aug 15, 11:55 PM EDT | Special Weather Statement | GYX | 35 min |
| Aug 16, 12:28 AM EDT | Special Weather Statement | GYX | 32 min |
| Aug 17, 10:41 PM EDT | Severe Thunderstorm Warning | GYX | 64 min |
| Aug 21, 6:01 AM EDT | Dense Fog Advisory | GYX | 3 hr |
| Aug 27, 2:59 AM EDT | Heat Advisory | GYX | 65 hr |
| Aug 29, 6:16 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Aug 29, 6:16 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Aug 29, 7:38 PM EDT | Special Weather Statement | GYX | 37 min |
| Sep 3, 6:04 PM EDT | Severe Thunderstorm Warning | GYX | 41 min |
| Sep 3, 7:03 PM EDT | Severe Thunderstorm Warning | GYX | 42 min |
| Sep 6, 10:43 AM EDT | Special Weather Statement | GYX | 47 min |
| Sep 6, 10:44 AM EDT | Special Weather Statement | GYX | 46 min |
| Sep 14, 3:14 AM EDT | Dense Fog Advisory | GYX | 3 hr |
| Sep 14, 3:02 PM EDT | Dense Fog Advisory | GYX | 18 hr |
| Sep 15, 3:07 PM EDT | Dense Fog Advisory | GYX | 18 hr |
| Sep 18, 7:57 PM EDT | Areal Flood Advisory | GYX | 100 min |
| Sep 24, 7:02 PM EDT | Frost Advisory | GYX | 12 hr |
| Sep 26, 9:00 PM EDT | Special Weather Statement | GYX | 45 min |
| Oct 5, 2:35 AM EDT | Freeze Warning | GYX | 25 hr |
| Oct 13, 3:05 AM EDT | Frost Advisory | GYX | 29 hr |
| Oct 13, 3:05 AM EDT | Freeze Warning | GYX | 29 hr |
| Oct 15, 2:46 PM EDT | Wind Advisory | GYX | 22 hr |
| Oct 17, 3:03 PM EDT | Wind Advisory | GYX | 21 hr |
| Oct 17, 4:44 PM EDT | Special Weather Statement | GYX | 31 min |
| Oct 24, 6:40 AM EDT | Areal Flood Advisory | GYX | 3 hr |
| Nov 2, 3:46 AM EDT | High Wind Watch | GYX | 24 hr |
| Nov 3, 3:55 AM EDT | High Wind Warning | GYX | 15 hr |
| Nov 3, 3:55 AM EDT | Wind Advisory | GYX | 18 hr |
| Nov 13, 3:02 PM EST | Wind Advisory | GYX | 6 hr |
| Nov 13, 9:17 PM EST | Wind Advisory | GYX | 17 hr |
| Nov 14, 3:00 PM EST | Winter Storm Watch | GYX | 12 hr |
| Nov 15, 3:27 AM EST | Winter Storm Warning | GYX | 35 hr |
| Nov 16, 3:56 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Nov 19, 3:24 PM EST | Winter Weather Advisory | GYX | 30 hr |
| Nov 21, 3:28 PM EST | Snow Squall Warning | GYX | 62 min |
| Nov 21, 4:15 PM EST | Snow Squall Warning | GYX | 60 min |
| Nov 24, 3:02 PM EST | Winter Weather Advisory | GYX | 27 hr |
| Nov 25, 3:26 PM EST | Winter Storm Watch | GYX | 20 hr |
| Nov 26, 3:13 AM EST | Winter Storm Warning | GYX | 40 hr |
| Nov 26, 11:05 AM EST | Winter Weather Advisory | GYX | 28 hr |
| Dec 1, 2:39 AM EST | Winter Weather Advisory | GYX | 35 hr |
| Dec 2, 3:30 PM EST | Dense Fog Advisory | GYX | 20 hr |
| Dec 16, 3:11 PM EST | Winter Weather Advisory | GYX | 24 hr |
| Dec 17, 2:03 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Dec 19, 3:50 PM EST | Flood Watch | GYX | 65 hr |
| Dec 20, 2:38 AM EST | Winter Weather Advisory | GYX | 31 hr |
| Dec 21, 10:20 AM EST | Areal Flood Advisory | GYX | 55 min |
| Dec 21, 7:09 PM EST | Areal Flood Advisory | GYX | 3 hr |
| Dec 21, 9:11 PM EST | Areal Flood Warning | GYX | 6 hr |
| Dec 27, 3:30 AM EST | Winter Weather Advisory | GYX | 42 hr |
| Dec 28, 3:01 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 | 9 |
| Mesoscale Discussion | 13 |
| Special Weather Statement | 25 |
| Flooding | |
| Areal Flood Warning | 2 |
| River Flood Warning | 4 |
| Flood Watch | 4 |
| Areal Flood Advisory | 7 |
| Winter | |
| Blizzard Warning | 1 |
| Snow Squall Warning | 2 |
| Winter Storm Warning | 7 |
| Winter Storm Watch | 7 |
| Winter Weather Advisory | 18 |
| Heat | |
| Heat Advisory | 5 |
| Cold | |
| Freeze Warning | 2 |
| Wind Chill Warning | 1 |
| Wind Chill Watch | 1 |
| Frost Advisory | 4 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Wind Advisory | 6 |
| Fog and smoke | |
| Dense Fog Advisory | 19 |
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.