Alert archive / Maine / Penobscot County
Weather alerts in Penobscot County, Maine, 2016
138 weather alerts in 2016, 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 2016. Tap one for its archive.
- Alerts
- 138
- Warnings
- 43
- Watches
- 13
- Advisories
- 55
- Busiest month
- July30 alerts
- Busiest day
- July 18, 201613 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, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 30 | 24 | 20% | 57 | 88% | 20 min |
| Flash flood warnings | 1 | 0 | 100% | 0 |
Each office's whole area, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Caribou, ME: tornado warnings | 2 | 0 | 100% | 2 | 0% | |
| NWS Caribou, ME: severe thunderstorm warnings | 50 | 37 | 26% | 126 | 84% | 21 min |
| NWS Caribou, ME: flash flood warnings | 1 | 0 | 100% | 1 | 0% |
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 8, 2:52 PM EST | High Wind Watch | CAR | 13 hr |
| Jan 8, 3:02 PM EST | Winter Weather Advisory | CAR | 46 hr |
| Jan 9, 3:58 AM EST | High Wind Warning | CAR | 46 hr |
| Jan 9, 3:58 AM EST | Wind Advisory | CAR | 45 hr |
| Jan 10, 10:45 AM EST | Flood Watch | CAR | 17 hr |
| Jan 10, 10:14 PM EST | Areal Flood Advisory | CAR | 5 hr |
| Jan 10, 11:25 PM EST | Areal Flood Advisory | CAR | 4 hr |
| Jan 11, 3:12 AM EST | Winter Storm Watch | CAR | 24 hr |
| Jan 11, 3:38 PM EST | Winter Storm Warning | CAR | 47 hr |
| Jan 13, 12:34 AM EST | Special Weather Statement | CAR | 116 min |
| Jan 13, 12:48 AM EST | Special Weather Statement | CAR | 102 min |
| Jan 13, 3:07 AM EST | Special Weather Statement | CAR | 113 min |
| Jan 13, 4:16 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 13, 5:41 AM EST | Special Weather Statement | CAR | 2 hr |
| Jan 15, 3:52 PM EST | Winter Weather Advisory | CAR | 27 hr |
| Jan 16, 1:07 PM EST | Winter Storm Warning | CAR | 6 hr |
| Feb 1, 11:42 AM EST | Special Weather Statement | CAR | 63 min |
| Feb 2, 3:48 PM EST | Winter Weather Advisory | CAR | 32 hr |
| Feb 4, 4:14 PM EST | Winter Weather Advisory | CAR | 11 hr |
| Feb 5, 3:37 AM EST | Winter Storm Warning | CAR | 15 hr |
| Feb 5, 3:37 AM EST | Winter Weather Advisory | CAR | 15 hr |
| Feb 5, 1:28 PM EST | Special Weather Statement | CAR | 2 hr |
| Feb 7, 7:13 AM EST | Special Weather Statement | CAR | 62 min |
| Feb 7, 8:12 AM EST | Special Weather Statement | CAR | 63 min |
| Feb 7, 4:13 PM EST | Winter Weather Advisory | CAR | 51 hr |
| Feb 11, 3:18 PM EST | Winter Storm Watch | CAR | 24 hr |
| Feb 12, 12:04 PM EST | Wind Chill Warning | CAR | 48 hr |
| Feb 12, 12:04 PM EST | Wind Chill Advisory | CAR | 45 hr |
| Feb 12, 3:15 PM EST | Winter Storm Warning | CAR | 31 hr |
| Feb 13, 3:37 AM EST | Winter Weather Advisory | CAR | 11 hr |
| Feb 14, 9:23 AM EST | Wind Chill Advisory | CAR | 3 hr |
| Feb 14, 12:25 PM EST | Wind Chill Advisory | CAR | 14 hr |
| Feb 15, 3:39 AM EST | Winter Weather Advisory | CAR | 27 hr |
| Feb 16, 2:46 AM EST | Wind Advisory | CAR | 20 hr |
| Feb 16, 7:03 AM EST | Winter Weather Advisory | CAR | 6 hr |
| Feb 16, 1:25 PM EST | Winter Weather Advisory | CAR | 4 hr |
| Feb 23, 3:24 PM EST | Flood Watch | CAR | 69 hr |
| Feb 23, 3:58 PM EST | Winter Weather Advisory | CAR | 42 hr |
| Feb 24, 2:11 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 25, 3:00 AM EST | Special Weather Statement | CAR | 45 min |
| Feb 25, 4:03 AM EST | Severe Thunderstorm Warning | CAR | 87 min |
| Feb 25, 4:44 AM EST | Severe Thunderstorm Warning | CAR | 46 min |
| Feb 25, 9:29 AM EST | Dense Fog Advisory | CAR | 11 hr |
| Feb 28, 3:04 AM EST | Winter Weather Advisory | CAR | 35 hr |
| Mar 1, 2:39 AM EST | Winter Weather Advisory | CAR | 36 hr |
| Mar 8, 3:29 AM EST | Winter Weather Advisory | CAR | 33 hr |
| Mar 9, 10:27 PM EST | Dense Fog Advisory | CAR | 6 hr |
| Mar 14, 4:14 AM EDT | Winter Weather Advisory | CAR | 32 hr |
| Mar 17, 6:57 PM EDT | Special Weather Statement | CAR | 48 min |
| Mar 19, 3:33 PM EDT | Winter Storm Watch | CAR | 24 hr |
| Mar 20, 9:40 AM EDT | Winter Storm Warning | CAR | 33 hr |
| Mar 20, 3:43 PM EDT | Winter Weather Advisory | CAR | 26 hr |
| Mar 24, 2:26 AM EDT | Winter Weather Advisory | CAR | 37 hr |
| Mar 25, 8:01 AM EDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 25, 10:05 AM EDT | Special Weather Statement | CAR | 70 min |
| Mar 28, 4:14 PM EDT | Winter Weather Advisory | CAR | 23 hr |
| Mar 31, 11:50 AM EDT | Flood Watch | CAR | 65 hr |
| Apr 3, 4:06 AM EDT | Wind Advisory | CAR | 19 hr |
| Apr 6, 3:42 PM EDT | High Wind Watch | CAR | 13 hr |
| Apr 6, 3:42 PM EDT | High Wind Warning | CAR | 36 hr |
| Apr 6, 3:55 PM EDT | Flood Watch | CAR | 4 days |
| Apr 7, 4:53 AM EDT | Wind Advisory | CAR | 23 hr |
| May 25, 4:53 PM EDT | Severe Thunderstorm Warning | CAR | 22 min |
| May 25, 5:00 PM EDT | Severe Thunderstorm Warning | CAR | 30 min |
| Jun 28, 1:29 PM EDT | Severe Thunderstorm Warning | CAR | 46 min |
| Jun 28, 2:16 PM EDT | Severe Thunderstorm Warning | CAR | 44 min |
| Jun 28, 2:25 PM EDT | Flash Flood Warning | CAR | 3 hr |
| Jul 14, 5:15 PM EDT | Severe Thunderstorm Warning | CAR | 45 min |
| Jul 14, 5:59 PM EDT | Severe Thunderstorm Warning | CAR | 46 min |
| Jul 14, 6:45 PM EDT | Severe Thunderstorm Warning | CAR | 60 min |
| Jul 17, 5:30 PM EDT | Severe Thunderstorm Warning | CAR | 75 min |
| Jul 18, 5:37 AM EDT | Dense Fog Advisory | CAR | 2 hr |
| Jul 18, 11:12 AM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 18, 2:06 PM EDT | Severe Thunderstorm Warning | CAR | 54 min |
| Jul 18, 2:58 PM EDT | Severe Thunderstorm Warning | CAR | 62 min |
| Jul 18, 3:03 PM EDT | Severe Thunderstorm Warning | CAR | 57 min |
| Jul 18, 3:21 PM EDT | Severe Thunderstorm Warning | CAR | 54 min |
| Jul 18, 3:21 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Jul 18, 3:34 PM EDT | Severe Thunderstorm Warning | CAR | 56 min |
| Jul 18, 3:43 PM EDT | Severe Thunderstorm Warning | CAR | 47 min |
| Jul 18, 4:27 PM EDT | Severe Thunderstorm Warning | CAR | 63 min |
| Jul 18, 4:37 PM EDT | Severe Thunderstorm Warning | CAR | 23 min |
| Jul 18, 5:00 PM EDT | Severe Thunderstorm Warning | CAR | 30 min |
| Jul 18, 6:49 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Jul 22, 1:28 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 22, 4:06 PM EDT | Severe Thunderstorm Warning | CAR | 39 min |
| Jul 22, 4:34 PM EDT | Mesoscale Discussion | SPC | 26 min |
| Jul 28, 12:47 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 28, 1:06 PM EDT | Special Weather Statement | CAR | 24 min |
| Jul 28, 1:17 PM EDT | Severe Thunderstorm Warning | CAR | 43 min |
| Jul 28, 2:02 PM EDT | Severe Thunderstorm Warning | CAR | 43 min |
| Jul 28, 2:20 PM EDT | Severe Thunderstorm Warning | CAR | 40 min |
| Jul 28, 2:44 PM EDT | Severe Thunderstorm Warning | CAR | 46 min |
| Jul 28, 2:48 PM EDT | Severe Thunderstorm Warning | CAR | 42 min |
| Jul 28, 5:12 PM EDT | Severe Thunderstorm Warning | CAR | 48 min |
| Jul 28, 5:28 PM EDT | Severe Thunderstorm Warning | CAR | 62 min |
| Jul 28, 5:45 PM EDT | Severe Thunderstorm Warning | CAR | 24 min |
| Aug 6, 12:30 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 6, 1:09 PM EDT | Special Weather Statement | CAR | 36 min |
| Aug 6, 2:10 PM EDT | Severe Thunderstorm Warning | CAR | 50 min |
| Aug 6, 3:52 PM EDT | Severe Thunderstorm Warning | CAR | 23 min |
| Aug 14, 7:41 AM EDT | Dense Fog Advisory | CAR | 3 hr |
| Aug 31, 8:20 PM EDT | Special Weather Statement | CAR | 40 min |
| Sep 7, 12:51 AM EDT | Dense Fog Advisory | CAR | 9 hr |
| Sep 11, 3:49 AM EDT | Wind Advisory | CAR | 15 hr |
| Sep 11, 10:01 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 15, 3:37 PM EDT | Frost Advisory | CAR | 16 hr |
| Sep 25, 3:02 AM EDT | Frost Advisory | CAR | 28 hr |
| Oct 3, 6:19 PM EDT | Frost Advisory | CAR | 13 hr |
| Oct 4, 4:11 PM EDT | Frost Advisory | CAR | 15 hr |
| Oct 8, 6:03 AM EDT | Dense Fog Advisory | CAR | 3 hr |
| Oct 10, 3:32 AM EDT | Frost Advisory | CAR | 28 hr |
| Oct 22, 12:53 AM EDT | Areal Flood Advisory | CAR | 5 hr |
| Oct 23, 3:38 AM EDT | Wind Advisory | CAR | 19 hr |
| Oct 27, 3:48 PM EDT | Winter Weather Advisory | CAR | 23 hr |
| Nov 11, 2:27 PM EST | Wind Advisory | CAR | 3 hr |
| Nov 19, 12:07 AM EST | Dense Fog Advisory | CAR | 12 hr |
| Nov 25, 3:18 PM EST | Winter Weather Advisory | CAR | 40 hr |
| Nov 28, 3:01 PM EST | Winter Weather Advisory | CAR | 37 hr |
| Nov 30, 3:25 PM EST | Winter Storm Warning | CAR | 26 hr |
| Nov 30, 3:25 PM EST | Winter Weather Advisory | CAR | 21 hr |
| Dec 11, 3:12 AM EST | Winter Weather Advisory | CAR | 41 hr |
| Dec 11, 3:18 PM EST | Winter Storm Warning | CAR | 24 hr |
| Dec 14, 4:34 AM EST | Wind Chill Watch | CAR | 11 hr |
| Dec 14, 3:38 PM EST | Wind Chill Warning | CAR | 48 hr |
| Dec 14, 3:38 PM EST | Wind Chill Advisory | CAR | 48 hr |
| Dec 16, 3:08 PM EST | Winter Weather Advisory | CAR | 46 hr |
| Dec 18, 2:17 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Dec 18, 3:49 AM EST | Freezing Rain Advisory | CAR | 9 hr |
| Dec 25, 8:09 AM EST | Wind Advisory | CAR | 7 hr |
| Dec 25, 4:05 PM EST | Winter Weather Advisory | CAR | 39 hr |
| Dec 27, 4:19 PM EST | Winter Storm Watch | CAR | 23 hr |
| Dec 28, 3:48 PM EST | Winter Storm Warning | CAR | 44 hr |
| Dec 28, 3:48 PM EST | Winter Weather Advisory | CAR | 42 hr |
| Dec 29, 9:10 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Dec 29, 10:18 PM EST | Special Weather Statement | CAR | 117 min |
| Dec 30, 3:20 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Dec 30, 9:39 AM EST | Wind Advisory | CAR | 6 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 | 30 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 12 |
| Special Weather Statement | 15 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flood Watch | 4 |
| Areal Flood Advisory | 3 |
| Winter | |
| Winter Storm Warning | 8 |
| Winter Storm Watch | 4 |
| Freezing Rain Advisory | 1 |
| Winter Weather Advisory | 26 |
| Cold | |
| Wind Chill Warning | 2 |
| Wind Chill Watch | 1 |
| Frost Advisory | 5 |
| Wind Chill Advisory | 4 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 2 |
| Wind Advisory | 9 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20152017
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.