Alert archive / Maine / Penobscot County
Weather alerts in Penobscot County, Maine, 2012
109 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Penobscot County and its neighbors
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Alerts
- 109
- Warnings
- 30
- Watches
- 9
- Advisories
- 63
- Busiest month
- June19 alerts
- Busiest day
- June 24, 20126 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Penobscot County, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 13 | 6 | 54% | 7 | 57% | 27 min |
| Flash flood warnings | 5 | 1 | 80% | 4 | 75% | 98 min |
Each office's whole area, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Caribou, ME: severe thunderstorm warnings | 42 | 17 | 60% | 41 | 78% | 23 min |
| NWS Caribou, ME: flash flood warnings | 15 | 7 | 53% | 21 | 90% | 136 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, 2:45 PM EST | Winter Weather Advisory | CAR | 18 hr |
| Jan 3, 4:02 PM EST | Wind Chill Advisory | CAR | 17 hr |
| Jan 11, 2:59 PM EST | Winter Weather Advisory | CAR | 56 hr |
| Jan 12, 11:19 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 13, 1:33 PM EST | Winter Weather Advisory | CAR | 9 hr |
| Jan 14, 3:36 AM EST | Wind Chill Advisory | CAR | 53 hr |
| Jan 15, 2:46 PM EST | Wind Chill Advisory | CAR | 15 hr |
| Jan 17, 3:47 AM EST | Winter Weather Advisory | CAR | 26 hr |
| Jan 18, 3:46 AM EST | Wind Advisory | CAR | 14 hr |
| Jan 19, 4:23 AM EST | Winter Weather Advisory | CAR | 36 hr |
| Jan 22, 8:09 PM EST | Winter Weather Advisory | CAR | 13 hr |
| Jan 23, 4:02 AM EST | Winter Weather Advisory | CAR | 20 hr |
| Jan 26, 4:33 PM EST | Winter Storm Warning | CAR | 33 hr |
| Jan 26, 4:33 PM EST | Winter Weather Advisory | CAR | 32 hr |
| Jan 29, 11:00 AM EST | Wind Advisory | CAR | 3 hr |
| Jan 31, 3:32 AM EST | Winter Storm Watch | CAR | 12 hr |
| Jan 31, 3:47 PM EST | Winter Weather Advisory | CAR | 28 hr |
| Feb 11, 3:18 PM EST | Wind Chill Advisory | CAR | 20 hr |
| Feb 12, 3:01 PM EST | Wind Chill Advisory | CAR | 21 hr |
| Feb 24, 3:35 AM EST | Winter Storm Watch | CAR | 9 hr |
| Feb 24, 3:35 AM EST | Winter Storm Warning | CAR | 32 hr |
| Feb 24, 12:38 PM EST | Winter Weather Advisory | CAR | 17 hr |
| Feb 26, 6:09 AM EST | Wind Advisory | CAR | 8 hr |
| Feb 27, 6:49 AM EST | Winter Weather Advisory | CAR | 20 hr |
| Feb 29, 3:03 PM EST | Winter Weather Advisory | CAR | 30 hr |
| Mar 2, 3:15 PM EST | Winter Weather Advisory | CAR | 24 hr |
| Mar 5, 5:53 AM EST | Winter Weather Advisory | CAR | 5 hr |
| Mar 13, 4:38 PM EDT | Winter Weather Advisory | CAR | 31 hr |
| Mar 15, 12:10 AM EDT | Winter Weather Advisory | CAR | 110 min |
| Mar 15, 3:38 PM EDT | Winter Weather Advisory | CAR | 24 hr |
| Mar 16, 3:41 AM EDT | Freezing Rain Advisory | CAR | 8 hr |
| Mar 26, 3:37 PM EDT | Wind Advisory | CAR | 27 hr |
| Mar 28, 3:45 AM EDT | Winter Weather Advisory | CAR | 25 hr |
| Apr 8, 3:38 AM EDT | Winter Weather Advisory | CAR | 13 hr |
| Apr 23, 1:21 PM EDT | Areal Flood Advisory | CAR | 4 hr |
| Apr 23, 5:17 PM EDT | Areal Flood Advisory | CAR | 3 hr |
| Apr 23, 6:19 PM EDT | Areal Flood Advisory | CAR | 3 hr |
| May 6, 3:11 PM EDT | Frost Advisory | CAR | 15 hr |
| May 17, 2:13 AM EDT | Severe Thunderstorm Warning | CAR | 47 min |
| May 17, 3:02 PM EDT | Frost Advisory | CAR | 15 hr |
| May 26, 9:25 AM EDT | Frost Advisory | CAR | 16 hr |
| Jun 2, 3:27 PM EDT | Flood Watch | CAR | 45 hr |
| Jun 3, 4:28 AM EDT | Areal Flood Advisory | CAR | 18 hr |
| Jun 22, 11:53 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 23, 6:47 PM EDT | Flash Flood Warning | CAR | 3 hr |
| Jun 23, 10:42 PM EDT | Flash Flood Warning | CAR | 3 hr |
| Jun 24, 1:29 AM EDT | Flash Flood Warning | CAR | 3 hr |
| Jun 24, 4:35 AM EDT | Flash Flood Warning | CAR | 6 hr |
| Jun 24, 9:52 AM EDT | Areal Flood Advisory | CAR | 4 hr |
| Jun 24, 10:42 AM EDT | Areal Flood Warning | CAR | 5 hr |
| Jun 24, 4:23 PM EDT | Flood Watch | CAR | 3 days |
| Jun 25, 2:35 PM EDT | Severe Thunderstorm Warning | CAR | 55 min |
| Jun 26, 9:12 AM EDT | Areal Flood Warning | CAR | 24 hr |
| Jun 27, 11:52 AM EDT | River Flood Warning | CAR | 4 days |
| Jun 29, 5:56 PM EDT | Severe Thunderstorm Warning | CAR | 64 min |
| Jun 29, 6:24 PM EDT | Severe Thunderstorm Warning | CAR | 66 min |
| Jun 29, 6:58 PM EDT | Severe Thunderstorm Warning | CAR | 47 min |
| Jun 29, 7:31 PM EDT | Severe Thunderstorm Warning | CAR | 59 min |
| Jun 29, 8:18 PM EDT | Severe Thunderstorm Warning | CAR | 42 min |
| Jun 30, 1:22 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 17, 9:24 PM EDT | Severe Thunderstorm Warning | CAR | 66 min |
| Jul 17, 9:32 PM EDT | Severe Thunderstorm Warning | CAR | 58 min |
| Jul 17, 10:20 PM EDT | Severe Thunderstorm Warning | CAR | 55 min |
| Aug 3, 2:25 PM EDT | Severe Thunderstorm Warning | CAR | 44 min |
| Aug 3, 4:49 PM EDT | Severe Thunderstorm Warning | CAR | 41 min |
| Aug 9, 4:04 PM EDT | Severe Thunderstorm Warning | CAR | 56 min |
| Aug 9, 5:32 PM EDT | Areal Flood Advisory | CAR | 2 hr |
| Aug 16, 7:58 AM EDT | Areal Flood Advisory | CAR | 3 hr |
| Aug 16, 7:16 PM EDT | Areal Flood Advisory | CAR | 117 min |
| Aug 31, 4:06 PM EDT | Mesoscale Discussion | SPC | 54 min |
| Sep 7, 5:30 AM EDT | Dense Fog Advisory | CAR | 4 hr |
| Sep 8, 6:32 AM EDT | Dense Fog Advisory | CAR | 2 hr |
| Sep 14, 8:06 AM EDT | Dense Fog Advisory | CAR | 114 min |
| Sep 16, 3:05 AM EDT | Frost Advisory | CAR | 28 hr |
| Sep 18, 3:55 AM EDT | Wind Advisory | CAR | 29 hr |
| Sep 19, 3:26 PM EDT | Frost Advisory | CAR | 16 hr |
| Sep 23, 2:50 PM EDT | Frost Advisory | CAR | 16 hr |
| Sep 24, 2:59 PM EDT | Frost Advisory | CAR | 15 hr |
| Sep 27, 3:08 AM EDT | Frost Advisory | CAR | 29 hr |
| Oct 27, 4:12 PM EDT | High Wind Watch | CAR | 23 hr |
| Oct 28, 3:06 PM EDT | Flood Watch | CAR | 71 hr |
| Oct 28, 3:10 PM EDT | High Wind Watch | CAR | 12 hr |
| Oct 28, 3:10 PM EDT | High Wind Warning | CAR | 37 hr |
| Oct 29, 3:36 AM EDT | Wind Advisory | CAR | 25 hr |
| Oct 30, 5:51 AM EDT | Mesoscale Discussion | SPC | 114 min |
| Oct 30, 7:31 PM EDT | Areal Flood Advisory | CAR | 9 min |
| Oct 30, 7:35 PM EDT | Flash Flood Warning | CAR | 4 hr |
| Oct 30, 11:29 PM EDT | Areal Flood Warning | CAR | 17 hr |
| Nov 7, 4:09 AM EST | Winter Weather Advisory | CAR | 39 hr |
| Nov 8, 2:29 PM EST | Winter Weather Advisory | CAR | 13 hr |
| Nov 12, 3:10 AM EST | Dense Fog Advisory | CAR | 6 hr |
| Dec 1, 3:08 PM EST | Winter Weather Advisory | CAR | 23 hr |
| Dec 8, 6:07 PM EST | Winter Weather Advisory | CAR | 10 hr |
| Dec 9, 3:22 PM EST | Winter Weather Advisory | CAR | 36 hr |
| Dec 10, 9:07 PM EST | Winter Weather Advisory | CAR | 6 hr |
| Dec 17, 4:39 AM EST | Winter Storm Watch | CAR | 11 hr |
| Dec 17, 3:59 PM EST | Winter Storm Warning | CAR | 48 hr |
| Dec 17, 3:59 PM EST | Winter Weather Advisory | CAR | 51 hr |
| Dec 19, 3:52 PM EST | Winter Storm Warning | CAR | 3 hr |
| Dec 20, 3:43 PM EST | Winter Weather Advisory | CAR | 35 hr |
| Dec 20, 3:48 PM EST | High Wind Warning | CAR | 32 hr |
| Dec 20, 3:48 PM EST | Wind Advisory | CAR | 35 hr |
| Dec 25, 5:25 AM EST | Winter Storm Watch | CAR | 21 hr |
| Dec 26, 2:29 AM EST | Winter Storm Warning | CAR | 50 hr |
| Dec 27, 3:52 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Dec 27, 12:43 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Dec 29, 10:03 AM EST | Winter Storm Warning | CAR | 24 hr |
| Dec 29, 10:03 AM EST | Winter Weather Advisory | CAR | 33 hr |
| Dec 30, 2:58 PM EST | Wind Chill Advisory | CAR | 18 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 | 13 |
| Mesoscale Discussion | 7 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 5 |
| River Flood Warning | 1 |
| Flood Watch | 3 |
| Areal Flood Advisory | 9 |
| Winter | |
| Winter Storm Warning | 6 |
| Winter Storm Watch | 4 |
| Freezing Rain Advisory | 1 |
| Winter Weather Advisory | 28 |
| Cold | |
| Frost Advisory | 8 |
| Wind Chill Advisory | 6 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 2 |
| Wind Advisory | 7 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20112013
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.