Alert archive / Maine / York County
Weather alerts in York County, Maine, 2023
197 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
York County and its neighbors
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Alerts
- 197
- Warnings
- 32
- Watches
- 31
- Advisories
- 88
- Busiest month
- July31 alerts
- Busiest day
- September 8, 20238 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
York County, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 7 | 5 | 29% | 6 | 100% | 24 min |
| Flash flood warnings | 5 | 5 | 0% | 2 | 100% | 177 min |
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 7, 5:22 AM EST | Dense Fog Advisory | GYX | 4 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 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 20, 8:22 AM EST | Coastal Flood Advisory | GYX | 3 hr |
| Jan 20, 2:21 PM EST | Coastal Flood Advisory | GYX | 22 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 22, 3:11 PM EST | Coastal Flood Advisory | GYX | 23 hr |
| Jan 23, 1:47 PM EST | Mesoscale Discussion | SPC | 3 hr |
| Jan 23, 4:19 PM EST | Special Weather Statement | GYX | 86 min |
| 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 24, 3:59 PM EST | Winter Weather Advisory | GYX | 38 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 10, 3:25 AM EST | Dense Fog Advisory | GYX | 7 hr |
| Feb 21, 3:22 AM EST | Winter Storm Watch | GYX | 24 hr |
| Feb 21, 3:34 AM EST | Coastal Flood Statement | GYX | 9 hr |
| Feb 22, 3:50 AM EST | Winter Storm Warning | GYX | 30 hr |
| Feb 22, 3:50 AM EST | Winter Weather Advisory | 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 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, 9:15 AM EST | Special Weather Statement | GYX | 2 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 13, 10:00 AM EDT | Coastal Flood Watch | GYX | 18 hr |
| Mar 13, 3:49 PM EDT | Coastal Flood Advisory | GYX | 12 hr |
| Mar 14, 3:51 AM EDT | Coastal Flood Advisory | GYX | 27 hr |
| Mar 14, 10:26 AM EDT | Special Weather Statement | GYX | 79 min |
| Mar 14, 5:17 PM EDT | Special Weather Statement | GYX | 118 min |
| 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 14, 4:00 AM EDT | Beach Hazards Statement | GYX | 16 hr |
| Apr 27, 2:09 PM EDT | Special Weather Statement | GYX | 36 min |
| Apr 29, 3:29 PM EDT | Flood Watch | GYX | 45 hr |
| Apr 30, 3:25 AM EDT | Wind Advisory | GYX | 29 hr |
| May 1, 2:35 AM EDT | Areal Flood Warning | GYX | 9 hr |
| May 1, 4:17 AM EDT | Areal Flood Warning | GYX | 10 hr |
| May 1, 4:33 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 5, 2:54 AM EDT | Areal Flood Advisory | GYX | 13 hr |
| May 5, 3:19 PM EDT | Beach Hazards Statement | GYX | 29 hr |
| May 7, 3:07 AM EDT | Beach Hazards Statement | GYX | 17 hr |
| May 9, 2:59 AM EDT | Frost Advisory | GYX | 28 hr |
| May 12, 4:26 AM EDT | Beach Hazards Statement | GYX | 16 hr |
| May 13, 3:21 AM EDT | Beach Hazards Statement | GYX | 17 hr |
| May 14, 3:20 AM EDT | Beach Hazards Statement | GYX | 17 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, 10:54 PM EDT | Areal Flood Advisory | GYX | 6 hr |
| May 22, 3:02 PM EDT | Frost Advisory | GYX | 16 hr |
| May 26, 2:41 PM EDT | Beach Hazards Statement | GYX | 29 hr |
| May 28, 3:12 AM EDT | Beach Hazards Statement | GYX | 17 hr |
| May 29, 2:42 AM EDT | Beach Hazards Statement | GYX | 17 hr |
| May 29, 2:38 PM EDT | Frost Advisory | GYX | 16 hr |
| Jun 2, 12:37 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 2, 3:56 PM EDT | Severe Thunderstorm Warning | GYX | 34 min |
| Jun 2, 4:25 PM EDT | Severe Thunderstorm Warning | GYX | 50 min |
| Jun 4, 3:51 PM EDT | Coastal Flood Advisory | GYX | 10 hr |
| Jun 5, 3:30 AM EDT | Coastal Flood Statement | GYX | 24 hr |
| Jun 11, 3:05 AM EDT | Beach Hazards Statement | GYX | 17 hr |
| Jun 13, 6:51 PM EDT | Dense Fog Advisory | GYX | 9 hr |
| Jun 16, 4:42 PM EDT | Areal Flood Advisory | GYX | 2 hr |
| Jun 17, 6:43 AM EDT | Flood Watch | GYX | 14 hr |
| Jun 17, 10:46 AM EDT | Areal Flood Advisory | GYX | 4 hr |
| Jun 17, 5:33 PM EDT | Areal Flood Warning | GYX | 3 hr |
| Jun 26, 3:19 AM EDT | Areal Flood Advisory | GYX | 3 hr |
| Jun 26, 6:25 AM EDT | Dense Fog Advisory | GYX | 3 hr |
| Jun 26, 9:42 PM EDT | Dense Fog Advisory | GYX | 10 hr |
| Jun 28, 5:55 PM EDT | Areal Flood Advisory | GYX | 3 hr |
| Jun 28, 9:06 PM EDT | Dense Fog Advisory | GYX | 12 hr |
| Jun 29, 6:42 PM EDT | Dense Fog Advisory | GYX | 15 hr |
| Jun 30, 10:35 PM EDT | Dense Fog Advisory | GYX | 10 hr |
| Jul 2, 4:52 PM EDT | Areal Flood Advisory | GYX | 3 hr |
| Jul 3, 4:17 AM EDT | Areal Flood Advisory | GYX | 4 hr |
| Jul 3, 3:48 PM EDT | Coastal Flood Statement | GYX | 9 hr |
| Jul 4, 4:06 AM EDT | Areal Flood Advisory | GYX | 3 hr |
| Jul 4, 9:35 AM EDT | Flood Watch | GYX | 7 hr |
| Jul 4, 2:17 PM EDT | Areal Flood Advisory | GYX | 103 min |
| Jul 4, 2:52 PM EDT | Coastal Flood Advisory | GYX | 11 hr |
| Jul 5, 2:15 PM EDT | Coastal Flood Advisory | GYX | 13 hr |
| Jul 5, 3:35 PM EDT | Heat Advisory | GYX | 27 hr |
| Jul 9, 9:58 PM EDT | Dense Fog Advisory | GYX | 12 hr |
| Jul 15, 3:23 AM EDT | Flood Watch | GYX | 47 hr |
| Jul 16, 8:14 AM EDT | Flash Flood Warning | GYX | 4 hr |
| Jul 16, 8:21 AM EDT | Tornado Watch | SPC | 7 hr |
| Jul 16, 10:40 AM EDT | Mesoscale Discussion | SPC | 95 min |
| Jul 16, 1:19 PM EDT | Areal Flood Warning | GYX | 5 hr |
| Jul 16, 1:31 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jul 16, 2:22 PM EDT | Flash Flood Warning | GYX | 6 hr |
| Jul 16, 6:16 PM EDT | Areal Flood Warning | GYX | 11 hr |
| Jul 22, 5:31 AM EDT | Dense Fog Advisory | GYX | 3 hr |
| Jul 25, 5:53 PM EDT | Areal Flood Advisory | GYX | 3 hr |
| Jul 26, 11:20 AM EDT | Heat Advisory | GYX | 30 hr |
| Jul 26, 11:20 AM EDT | Heat Advisory | GYX | 56 hr |
| Jul 26, 1:52 PM EDT | Flood Watch | GYX | 28 hr |
| Jul 27, 11:05 AM EDT | Mesoscale Discussion | SPC | 115 min |
| 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, 11:33 AM EDT | Mesoscale Discussion | SPC | 117 min |
| Jul 29, 1:33 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 29, 3:00 PM EDT | Flash Flood Warning | GYX | 5 hr |
| Aug 2, 3:04 PM EDT | Coastal Flood Statement | GYX | 11 hr |
| Aug 3, 3:30 PM EDT | Coastal Flood Statement | GYX | 12 hr |
| Aug 4, 12:10 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Aug 4, 2:41 PM EDT | Special Weather Statement | GYX | 34 min |
| Aug 4, 3:49 PM EDT | Areal Flood Advisory | GYX | 6 hr |
| Aug 4, 5:57 PM EDT | Special Weather Statement | GYX | 48 min |
| Aug 4, 7:36 PM EDT | Special Weather Statement | GYX | 54 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, 8:27 AM EDT | Flash Flood Warning | GYX | 6 hr |
| Aug 8, 12:21 PM EDT | Areal Flood Advisory | GYX | 4 hr |
| Aug 8, 1:08 PM EDT | Areal Flood Advisory | GYX | 4 hr |
| Aug 8, 1:45 PM EDT | Areal Flood Warning | GYX | 8 hr |
| Aug 8, 2:55 PM EDT | Areal Flood Advisory | GYX | 5 hr |
| Aug 8, 7:24 PM EDT | Areal Flood Advisory | GYX | 3 hr |
| Aug 13, 12:35 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Aug 13, 1:45 PM EDT | Severe Thunderstorm Warning | GYX | 45 min |
| Aug 13, 1:51 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 13, 3:22 PM EDT | Special Weather Statement | GYX | 23 min |
| Aug 13, 3:34 PM EDT | Severe Thunderstorm Warning | GYX | 23 min |
| Aug 13, 3:58 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Aug 13, 4:24 PM EDT | Special Weather Statement | GYX | 36 min |
| Aug 18, 10:32 AM EDT | Areal Flood Advisory | GYX | 3 hr |
| Aug 18, 11:44 AM EDT | Areal Flood Advisory | GYX | 110 min |
| Aug 18, 6:18 PM EDT | Special Weather Statement | GYX | 27 min |
| Aug 29, 3:28 PM EDT | Rip Current Statement | GYX | 52 hr |
| Aug 30, 3:51 PM EDT | Coastal Flood Advisory | GYX | 9 hr |
| Aug 31, 7:56 PM EDT | Coastal Flood Statement | GYX | 5 hr |
| Sep 6, 3:11 PM EDT | Heat Advisory | GYX | 27 hr |
| Sep 8, 2:46 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Sep 8, 3:34 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 8, 3:47 PM EDT | Severe Thunderstorm Warning | GYX | 43 min |
| Sep 8, 4:26 PM EDT | Severe Thunderstorm Warning | GYX | 64 min |
| Sep 8, 4:50 PM EDT | Severe Thunderstorm Warning | GYX | 40 min |
| Sep 8, 4:52 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Sep 8, 6:47 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Sep 8, 7:50 PM EDT | Special Weather Statement | GYX | 55 min |
| Sep 11, 5:41 PM EDT | Areal Flood Advisory | GYX | 2 hr |
| Sep 11, 7:24 PM EDT | Areal Flood Advisory | GYX | 111 min |
| Sep 13, 3:25 PM EDT | Rip Current Statement | GYX | 27 hr |
| Sep 13, 5:12 PM EDT | Tropical Storm Watch | GYX | 25 hr |
| Sep 14, 4:02 PM EDT | High Surf Advisory | GYX | 26 hr |
| Sep 14, 5:38 PM EDT | Tropical Storm Warning | GYX | 50 hr |
| Sep 15, 9:33 AM EDT | Coastal Flood Advisory | GYX | 28 hr |
| Sep 15, 11:24 AM EDT | Wind Advisory | GYX | 30 hr |
| Sep 16, 8:17 PM EDT | High Surf Advisory | GYX | 7 hr |
| Sep 17, 3:06 AM EDT | Rip Current Statement | GYX | 12 hr |
| Sep 18, 3:28 AM EDT | Flood Watch | GYX | 30 hr |
| Sep 19, 1:26 AM EDT | Areal Flood Advisory | GYX | 4 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 21, 7:13 AM EDT | Rip Current Statement | GYX | 12 hr |
| Sep 29, 6:26 AM EDT | Dense Fog Advisory | GYX | 3 hr |
| Sep 29, 3:51 PM EDT | Coastal Flood Statement | GYX | 10 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, 2:48 PM EDT | High Surf Advisory | GYX | 68 hr |
| Oct 9, 2:50 PM EDT | Frost Advisory | GYX | 16 hr |
| Oct 20, 11:19 PM EDT | Dense Fog Advisory | GYX | 10 hr |
| Oct 30, 10:55 AM EDT | Coastal Flood Advisory | GYX | 3 hr |
| Nov 17, 5:04 AM EST | Dense Fog Advisory | GYX | 4 hr |
| Nov 26, 3:07 PM EST | Wind Advisory | GYX | 18 hr |
| Nov 26, 3:19 PM EST | Coastal Flood Advisory | GYX | 21 hr |
| Dec 2, 3:28 PM EST | Winter Weather Advisory | GYX | 46 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, 2:56 AM EST | Wind Advisory | GYX | 28 hr |
| Dec 10, 5:01 AM EST | Dense Fog Advisory | GYX | 10 hr |
| Dec 11, 2:53 AM EST | Areal Flood Advisory | GYX | 5 hr |
| Dec 16, 3:09 PM EST | High Wind Watch | GYX | 24 hr |
| Dec 16, 3:17 PM EST | Flood Watch | GYX | 58 hr |
| Dec 16, 3:25 PM EST | Coastal Flood Watch | GYX | 24 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 17, 2:58 PM EST | Coastal Flood Warning | GYX | 27 hr |
| Dec 18, 8:19 AM EST | Areal Flood Advisory | GYX | 4 hr |
| Dec 18, 9:42 AM EST | Areal Flood Warning | GYX | 9 hr |
| Dec 24, 10:07 PM EST | Winter Weather Advisory | GYX | 7 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.
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.