Alert archive / Maine / Franklin County
Weather alerts in Franklin County, Maine, 2009
103 weather alerts in 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Franklin County and its neighbors
Each county as a circle sized by its count in 2009. Tap one for its archive.
- Alerts
- 103
- Warnings
- 31
- Watches
- 19
- Advisories
- 39
- Busiest month
- June21 alerts
- Busiest day
- June 26, 200913 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 1 tornado warnings covering Franklin County in 2009 had a tornado report inside them.
Franklin County, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 1 | 0% | 0 | ||
| Severe thunderstorm warnings | 16 | 6 | 63% | 4 | 75% | 24 min |
| Flash flood warnings | 3 | 1 | 67% | 0 |
Each office's whole area, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Gray, ME: tornado warnings | 6 | 2 | 67% | 3 | 67% | 7 min |
| NWS Gray, ME: severe thunderstorm warnings | 117 | 51 | 56% | 85 | 87% | 22 min |
| NWS Gray, ME: flash flood warnings | 15 | 5 | 67% | 9 | 78% | 108 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 1, 10:04 AM EST | Wind Chill Advisory | GYX | 3 hr |
| Jan 6, 3:26 AM EST | Winter Storm Watch | GYX | 14 hr |
| Jan 6, 5:10 PM EST | Winter Storm Warning | GYX | 34 hr |
| Jan 7, 11:39 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 14, 10:41 AM EST | Wind Chill Advisory | GYX | 7 hr |
| Jan 17, 3:15 AM EST | Winter Storm Watch | GYX | 12 hr |
| Jan 17, 3:00 PM EST | Winter Storm Warning | GYX | 40 hr |
| Jan 17, 3:00 PM EST | Winter Weather Advisory | GYX | 24 hr |
| Jan 24, 2:32 AM EST | Wind Chill Advisory | GYX | 31 hr |
| Jan 26, 3:03 PM EST | Winter Storm Watch | GYX | 18 hr |
| Jan 27, 2:43 AM EST | Winter Storm Warning | GYX | 51 hr |
| Jan 28, 12:26 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 28, 6:12 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 10, 3:03 AM EST | Winter Weather Advisory | GYX | 11 hr |
| Feb 17, 3:42 PM EST | Winter Storm Watch | GYX | 12 hr |
| Feb 18, 4:09 AM EST | Winter Storm Warning | GYX | 27 hr |
| Feb 19, 12:07 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 21, 4:07 AM EST | Winter Storm Watch | GYX | 12 hr |
| Feb 21, 3:44 PM EST | Winter Storm Warning | GYX | 43 hr |
| Feb 22, 6:00 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 23, 12:14 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 28, 3:25 PM EST | Winter Storm Watch | GYX | 12 hr |
| Mar 1, 3:09 AM EST | Winter Storm Watch | GYX | 12 hr |
| Mar 1, 3:09 AM EST | Winter Storm Warning | GYX | 34 hr |
| Mar 7, 3:24 AM EST | Winter Weather Advisory | GYX | 26 hr |
| Mar 10, 3:36 PM EDT | Winter Weather Advisory | GYX | 19 hr |
| Apr 2, 3:15 PM EDT | Flood Watch | GYX | 44 hr |
| Apr 5, 3:38 PM EDT | Flood Watch | GYX | 43 hr |
| May 9, 3:40 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 14, 3:19 AM EDT | Wind Advisory | GYX | 17 hr |
| May 18, 3:06 AM EDT | Frost Advisory | GYX | 28 hr |
| May 25, 3:08 AM EDT | Frost Advisory | GYX | 28 hr |
| May 31, 2:17 PM EDT | Frost Advisory | GYX | 17 hr |
| May 31, 5:35 PM EDT | Severe Thunderstorm Warning | GYX | 40 min |
| Jun 4, 2:45 PM EDT | Frost Advisory | GYX | 16 hr |
| Jun 25, 3:02 PM EDT | Areal Flood Advisory | GYX | 3 hr |
| Jun 26, 12:34 AM EDT | Severe Thunderstorm Warning | GYX | 41 min |
| Jun 26, 11:39 AM EDT | Mesoscale Discussion | SPC | 96 min |
| Jun 26, 12:12 PM EDT | Severe Thunderstorm Warning | GYX | 33 min |
| Jun 26, 12:13 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 26, 12:41 PM EDT | Severe Thunderstorm Warning | GYX | 49 min |
| Jun 26, 2:14 PM EDT | Severe Thunderstorm Warning | GYX | 46 min |
| Jun 26, 2:40 PM EDT | Severe Thunderstorm Warning | GYX | 50 min |
| Jun 26, 3:07 PM EDT | Areal Flood Advisory | GYX | 3 hr |
| Jun 26, 3:26 PM EDT | Severe Thunderstorm Warning | GYX | 64 min |
| Jun 26, 3:27 PM EDT | Flash Flood Warning | GYX | 3 hr |
| Jun 26, 3:44 PM EDT | Severe Thunderstorm Warning | GYX | 46 min |
| Jun 26, 4:06 PM EDT | Severe Thunderstorm Warning | GYX | 39 min |
| Jun 26, 4:44 PM EDT | Severe Thunderstorm Warning | GYX | 46 min |
| Jun 26, 10:54 PM EDT | Areal Flood Advisory | GYX | 3 hr |
| Jun 27, 2:14 AM EDT | Areal Flood Advisory | GYX | 91 min |
| Jun 27, 4:15 AM EDT | Areal Flood Advisory | GYX | 2 hr |
| Jun 27, 4:00 PM EDT | Areal Flood Advisory | GYX | 8 hr |
| Jun 29, 3:54 AM EDT | Areal Flood Advisory | GYX | 3 hr |
| Jun 29, 5:37 AM EDT | Areal Flood Warning | GYX | 4 hr |
| Jul 2, 10:17 PM EDT | Areal Flood Advisory | GYX | 3 hr |
| Jul 3, 7:27 PM EDT | Flash Flood Warning | GYX | 3 hr |
| Jul 3, 10:00 PM EDT | Areal Flood Advisory | GYX | 3 hr |
| Jul 13, 2:54 PM EDT | Severe Thunderstorm Warning | GYX | 51 min |
| Jul 27, 11:02 AM EDT | Mesoscale Discussion | SPC | 118 min |
| Jul 27, 2:42 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 27, 3:07 PM EDT | Severe Thunderstorm Warning | GYX | 38 min |
| Jul 27, 4:44 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Jul 27, 6:32 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jul 29, 3:11 PM EDT | Flash Flood Watch | GYX | 19 hr |
| Jul 31, 7:15 AM EDT | Flood Watch | GYX | 13 hr |
| Aug 21, 10:47 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 21, 3:20 PM EDT | Severe Thunderstorm Warning | GYX | 55 min |
| Aug 21, 4:22 PM EDT | Tornado Watch | SPC | 3 hr |
| Aug 21, 4:43 PM EDT | Severe Thunderstorm Warning | GYX | 47 min |
| Aug 21, 4:59 PM EDT | Tornado Warning | GYX | 31 min |
| Aug 21, 5:26 PM EDT | Severe Thunderstorm Warning | GYX | 64 min |
| Aug 21, 5:55 PM EDT | Mesoscale Discussion | SPC | 80 min |
| Aug 21, 6:09 PM EDT | Severe Thunderstorm Warning | GYX | 51 min |
| Aug 21, 6:16 PM EDT | Areal Flood Advisory | GYX | 3 hr |
| Aug 22, 9:23 PM EDT | Areal Flood Advisory | GYX | 3 hr |
| Aug 22, 9:56 PM EDT | Flash Flood Warning | GYX | 3 hr |
| Aug 31, 3:47 PM EDT | Frost Advisory | GYX | 16 hr |
| Sep 16, 2:25 AM EDT | Frost Advisory | GYX | 30 hr |
| Sep 19, 2:43 AM EDT | Freeze Warning | GYX | 29 hr |
| Sep 25, 3:48 AM EDT | Freeze Warning | GYX | 28 hr |
| Oct 13, 3:27 AM EDT | Winter Weather Advisory | GYX | 8 hr |
| Oct 24, 2:43 AM EDT | Mesoscale Discussion | SPC | 6 hr |
| Oct 24, 3:09 AM EDT | Winter Weather Advisory | GYX | 6 hr |
| Oct 24, 9:26 PM EDT | Areal Flood Advisory | GYX | 6 hr |
| Oct 31, 3:01 AM EDT | Wind Advisory | GYX | 21 hr |
| Nov 27, 3:50 AM EST | Winter Weather Advisory | GYX | 30 hr |
| Nov 28, 2:37 AM EST | Wind Advisory | GYX | 15 hr |
| Dec 8, 3:19 AM EST | Winter Storm Watch | GYX | 13 hr |
| Dec 8, 4:13 PM EST | Winter Storm Warning | GYX | 30 hr |
| Dec 9, 6:33 AM EST | Mesoscale Discussion | SPC | 3 hr |
| Dec 9, 12:41 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Dec 11, 3:30 AM EST | Wind Advisory | GYX | 16 hr |
| Dec 13, 12:38 PM EST | Winter Weather Advisory | GYX | 10 hr |
| Dec 16, 3:00 PM EST | Wind Chill Advisory | GYX | 21 hr |
| Dec 17, 3:19 PM EST | Wind Chill Advisory | GYX | 18 hr |
| Dec 22, 2:57 AM EST | Winter Storm Watch | GYX | 12 hr |
| Dec 22, 8:55 PM EST | Winter Weather Advisory | GYX | 15 hr |
| Dec 26, 3:14 PM EST | Winter Weather Advisory | GYX | 16 hr |
| Dec 27, 2:52 PM EST | Winter Storm Watch | GYX | 13 hr |
| Dec 28, 3:36 AM EST | Winter Storm Warning | GYX | 22 hr |
| Dec 29, 3:26 AM EST | Wind Advisory | GYX | 16 hr |
| Dec 29, 11:13 AM EST | Wind Chill 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 | 16 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 14 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 3 |
| Flash Flood Watch | 1 |
| Flood Watch | 3 |
| Areal Flood Advisory | 12 |
| Winter | |
| Winter Storm Warning | 8 |
| Winter Storm Watch | 10 |
| Winter Weather Advisory | 10 |
| Cold | |
| Freeze Warning | 2 |
| Frost Advisory | 6 |
| Wind Chill Advisory | 6 |
| Wind and dust | |
| Wind Advisory | 5 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20082010
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.