Alert archive / Maine / Knox County
Weather alerts in Knox County, Maine, 2024
97 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Knox County and its neighbors
Each county as a circle sized by its count in 2024. Tap one for its archive.
- Alerts
- 97
- Warnings
- 19
- Watches
- 19
- Advisories
- 35
- Busiest month
- January18 alerts
- Busiest day
- January 9, 20244 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Knox County, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 4 | 3 | 25% | 3 | 67% | 15 min |
| Flash flood warnings | 1 | 1 | 0% | 1 | 100% | 29 min |
Each office's whole area, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Gray, ME: tornado warnings | 5 | 1 | 80% | 2 | 50% | 19 min |
| NWS Gray, ME: severe thunderstorm warnings | 99 | 77 | 22% | 324 | 81% | 19 min |
| NWS Gray, ME: flash flood warnings | 29 | 13 | 55% | 53 | 89% | 128 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 6, 3:50 AM EST | Winter Storm Warning | GYX | 39 hr |
| Jan 6, 3:50 AM EST | Winter Weather Advisory | GYX | 39 hr |
| Jan 8, 3:21 AM EST | High Wind Watch | GYX | 25 hr |
| Jan 8, 10:30 AM EST | Coastal Flood Watch | GYX | 24 hr |
| Jan 9, 4:26 AM EST | High Wind Warning | GYX | 31 hr |
| Jan 9, 4:26 AM EST | Wind Advisory | GYX | 33 hr |
| Jan 9, 5:11 AM EST | Winter Weather Advisory | GYX | 30 hr |
| Jan 9, 10:25 AM EST | Coastal Flood Warning | GYX | 27 hr |
| Jan 10, 4:39 AM EST | Areal Flood Warning | GYX | 10 hr |
| Jan 11, 3:15 AM EST | Coastal Flood Watch | GYX | 25 hr |
| Jan 11, 3:18 AM EST | High Wind Watch | GYX | 24 hr |
| Jan 12, 3:21 AM EST | High Wind Warning | GYX | 37 hr |
| Jan 12, 4:06 AM EST | Coastal Flood Warning | GYX | 35 hr |
| Jan 13, 3:32 PM EST | Wind Advisory | GYX | 3 hr |
| Jan 14, 6:30 PM EST | Snow Squall Warning | GYX | 60 min |
| Jan 15, 3:31 PM EST | Winter Weather Advisory | GYX | 30 hr |
| Jan 24, 2:39 AM EST | Winter Weather Advisory | GYX | 28 hr |
| Jan 28, 2:42 AM EST | Winter Weather Advisory | GYX | 29 hr |
| Feb 10, 2:52 AM EST | Coastal Flood Statement | GYX | 9 hr |
| Feb 11, 3:39 AM EST | Coastal Flood Statement | GYX | 10 hr |
| Feb 15, 3:17 AM EST | Winter Weather Advisory | GYX | 31 hr |
| Feb 27, 3:07 AM EST | High Wind Watch | GYX | 12 hr |
| Feb 27, 2:38 PM EST | Wind Advisory | GYX | 51 hr |
| Feb 27, 2:51 PM EST | Flood Watch | GYX | 36 hr |
| Feb 27, 7:07 PM EST | Dense Fog Advisory | GYX | 5 hr |
| Mar 6, 9:43 AM EST | Flood Watch | GYX | 26 hr |
| Mar 7, 5:08 AM EST | Areal Flood Advisory | GYX | 4 hr |
| Mar 8, 2:41 PM EST | Flood Watch | GYX | 47 hr |
| Mar 8, 2:50 PM EST | High Wind Watch | GYX | 24 hr |
| Mar 8, 3:24 PM EST | Coastal Flood Watch | GYX | 24 hr |
| Mar 9, 3:05 PM EST | Coastal Flood Warning | GYX | 23 hr |
| Mar 9, 3:10 PM EST | High Wind Warning | GYX | 22 hr |
| Mar 10, 8:19 AM EDT | Areal Flood Warning | GYX | 7 hr |
| Mar 10, 2:54 PM EDT | Wind Advisory | GYX | 32 hr |
| Mar 10, 8:25 PM EDT | Coastal Flood Statement | GYX | 6 hr |
| Mar 20, 3:07 PM EDT | Winter Weather Advisory | GYX | 18 hr |
| Mar 22, 2:57 AM EDT | Flood Watch | GYX | 44 hr |
| Mar 22, 3:22 AM EDT | Winter Storm Warning | GYX | 48 hr |
| Mar 23, 9:17 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Mar 27, 2:49 PM EDT | Flood Watch | GYX | 46 hr |
| Mar 29, 6:27 PM EDT | Wind Advisory | GYX | 20 hr |
| Apr 1, 3:51 PM EDT | Winter Storm Watch | GYX | 24 hr |
| Apr 2, 3:32 PM EDT | Winter Storm Warning | GYX | 52 hr |
| Apr 3, 3:07 PM EDT | Coastal Flood Advisory | GYX | 19 hr |
| Apr 4, 1:43 AM EDT | Mesoscale Discussion | SPC | 6 hr |
| Apr 11, 7:41 PM EDT | Wind Advisory | GYX | 20 hr |
| Apr 12, 9:27 AM EDT | Areal Flood Advisory | GYX | 6 hr |
| May 23, 12:48 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 23, 2:38 PM EDT | Severe Thunderstorm Warning | GYX | 52 min |
| May 23, 3:29 PM EDT | Mesoscale Discussion | SPC | 91 min |
| May 23, 4:41 PM EDT | Beach Hazards Statement | GYX | 27 hr |
| May 24, 10:28 PM EDT | Beach Hazards Statement | GYX | 22 hr |
| May 25, 9:32 PM EDT | Beach Hazards Statement | GYX | 22 hr |
| May 28, 5:52 AM EDT | Dense Fog Advisory | GYX | 3 hr |
| May 31, 2:57 AM EDT | Beach Hazards Statement | GYX | 17 hr |
| Jun 1, 2:57 AM EDT | Beach Hazards Statement | GYX | 17 hr |
| Jun 2, 2:42 AM EDT | Beach Hazards Statement | GYX | 17 hr |
| Jun 5, 12:54 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 8, 2:41 PM EDT | Flash Flood Warning | GYX | 3 hr |
| Jun 8, 3:15 PM EDT | Special Weather Statement | GYX | 30 min |
| Jun 15, 2:59 AM EDT | Beach Hazards Statement | GYX | 17 hr |
| Jun 15, 10:36 PM EDT | Beach Hazards Statement | GYX | 21 hr |
| Jun 18, 2:52 PM EDT | Heat Advisory | GYX | 29 hr |
| Jun 19, 3:19 PM EDT | Excessive Heat Warning | GYX | 28 hr |
| Jun 20, 12:59 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 20, 5:25 PM EDT | Severe Thunderstorm Warning | GYX | 50 min |
| Jun 20, 6:03 PM EDT | Areal Flood Advisory | GYX | 113 min |
| Jun 23, 8:33 PM EDT | Severe Thunderstorm Warning | GYX | 42 min |
| Jun 24, 8:09 PM EDT | Areal Flood Advisory | GYX | 3 hr |
| Jun 24, 9:07 PM EDT | Special Weather Statement | GYX | 23 min |
| Jun 30, 10:34 AM EDT | Mesoscale Discussion | SPC | 116 min |
| Jun 30, 12:52 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 30, 3:21 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Jul 9, 5:10 PM EDT | Severe Thunderstorm Warning | GYX | 50 min |
| Jul 29, 2:43 AM EDT | Rip Current Statement | GYX | 17 hr |
| Aug 9, 3:05 PM EDT | Rip Current Statement | GYX | 28 hr |
| Aug 14, 5:50 PM EDT | Special Weather Statement | GYX | 40 min |
| Aug 16, 12:39 AM EDT | Dense Fog Advisory | GYX | 7 hr |
| Aug 17, 3:58 AM EDT | High Surf Advisory | GYX | 64 hr |
| Aug 27, 4:55 AM EDT | Dense Fog Advisory | GYX | 5 hr |
| Sep 6, 3:01 PM EDT | High Surf Advisory | GYX | 29 hr |
| Sep 8, 3:33 AM EDT | High Surf Advisory | GYX | 16 hr |
| Sep 19, 2:39 PM EDT | Coastal Flood Advisory | GYX | 24 hr |
| Oct 8, 3:12 AM EDT | Rip Current Statement | GYX | 17 hr |
| Oct 16, 2:41 AM EDT | Freeze Watch | GYX | 12 hr |
| Oct 16, 2:48 AM EDT | Frost Advisory | GYX | 29 hr |
| Oct 17, 2:26 PM EDT | Frost Advisory | GYX | 18 hr |
| Oct 23, 3:11 AM EDT | Dense Fog Advisory | GYX | 7 hr |
| Nov 27, 4:32 AM EST | Dense Fog Advisory | GYX | 4 hr |
| Dec 4, 2:47 PM EST | Wind Advisory | GYX | 15 hr |
| Dec 5, 2:26 PM EST | Special Weather Statement | GYX | 79 min |
| Dec 7, 5:53 PM EST | Winter Weather Advisory | GYX | 16 hr |
| Dec 9, 3:21 AM EST | Winter Weather Advisory | GYX | 55 hr |
| Dec 10, 3:26 AM EST | High Wind Watch | GYX | 12 hr |
| Dec 10, 7:07 AM EST | Flood Watch | GYX | 47 hr |
| Dec 10, 3:29 PM EST | High Wind Warning | GYX | 34 hr |
| Dec 23, 3:01 AM EST | Winter Weather Advisory | GYX | 34 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 archive20232025
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.