Alert archive / New York / Herkimer County
Weather alerts in Herkimer County, New York, 2010
151 weather alerts in 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Herkimer County and its neighbors
Each county as a circle sized by its count in 2010. Tap one for its archive.
- Alerts
- 151
- Warnings
- 50
- Watches
- 23
- Advisories
- 56
- Busiest month
- July25 alerts
- Busiest day
- July 21, 20107 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 1 tornado reports fell inside a warning.
Herkimer County, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 1 | 0% | |||
| Severe thunderstorm warnings | 15 | 9 | 40% | 14 | 86% | 23 min |
| Flash flood warnings | 6 | 4 | 33% | 10 | 70% | 92 min |
Each office's whole area, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Albany, NY: tornado warnings | 3 | 1 | 67% | 9 | 56% | 16 min |
| NWS Albany, NY: severe thunderstorm warnings | 102 | 69 | 32% | 217 | 87% | 24 min |
| NWS Albany, NY: flash flood warnings | 15 | 11 | 27% | 47 | 89% | 113 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, 3:28 PM EST | Winter Storm Watch | ALY | 13 hr |
| Jan 2, 4:25 AM EST | Winter Weather Advisory | ALY | 43 hr |
| Jan 6, 6:16 PM EST | Freezing Rain Advisory | ALY | 9 hr |
| Jan 17, 2:14 PM EST | Winter Weather Advisory | ALY | 16 hr |
| Jan 23, 1:46 PM EST | Flash Flood Watch | ALY | 50 hr |
| Jan 24, 3:34 PM EST | Wind Advisory | ALY | 25 hr |
| Jan 25, 10:52 AM EST | Flash Flood Warning | ALY | 6 hr |
| Jan 25, 1:47 PM EST | River Flood Warning | ALY | 6 hr |
| Jan 25, 4:00 PM EST | Flood Watch | ALY | 12 hr |
| Jan 25, 11:38 PM EST | Areal Flood Warning | ALY | 10 hr |
| Jan 26, 8:30 AM EST | River Flood Warning | ALY | 27 hr |
| Jan 28, 3:20 AM EST | Wind Advisory | ALY | 25 hr |
| Jan 28, 3:59 PM EST | Wind Chill Warning | ALY | 21 hr |
| Jan 28, 3:59 PM EST | Wind Chill Advisory | ALY | 21 hr |
| Jan 29, 3:02 PM EST | Wind Chill Warning | ALY | 19 hr |
| Jan 29, 3:02 PM EST | Wind Chill Advisory | ALY | 19 hr |
| Jan 31, 3:09 PM EST | Lake Effect Snow Advisory | ALY | 11 hr |
| Feb 9, 1:36 PM EST | Winter Weather Advisory | ALY | 34 hr |
| Feb 14, 3:46 AM EST | Lake Effect Snow Advisory | ALY | 24 hr |
| Feb 23, 2:40 AM EST | Winter Storm Watch | ALY | 8 hr |
| Feb 23, 10:39 AM EST | Winter Storm Warning | ALY | 32 hr |
| Feb 23, 7:47 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 24, 4:35 AM EST | Winter Storm Watch | ALY | 24 hr |
| Feb 24, 12:01 PM EST | Winter Storm Warning | ALY | 3 days |
| Mar 13, 2:52 PM EST | Wind Advisory | ALY | 24 hr |
| Mar 21, 3:59 PM EDT | Flood Watch | ALY | 48 hr |
| Mar 30, 6:58 PM EDT | Areal Flood Advisory | ALY | 6 hr |
| Apr 8, 2:57 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Apr 8, 7:30 PM EDT | Severe Thunderstorm Warning | ALY | 45 min |
| Apr 8, 7:35 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Apr 14, 3:56 AM EDT | Frost Advisory | ALY | 28 hr |
| Apr 14, 3:56 AM EDT | Freeze Warning | ALY | 28 hr |
| Apr 19, 4:09 AM EDT | Frost Advisory | ALY | 28 hr |
| Apr 23, 4:09 AM EDT | Frost Advisory | ALY | 28 hr |
| Apr 27, 4:05 AM EDT | Freeze Warning | ALY | 28 hr |
| Apr 27, 3:21 PM EDT | Winter Weather Advisory | ALY | 21 hr |
| Apr 28, 3:32 AM EDT | Freeze Warning | ALY | 28 hr |
| Apr 29, 4:22 AM EDT | Frost Advisory | ALY | 28 hr |
| Apr 29, 4:22 AM EDT | Wind Advisory | ALY | 14 hr |
| May 4, 10:53 AM EDT | Mesoscale Discussion | SPC | 97 min |
| May 4, 1:06 PM EDT | Severe Thunderstorm Warning | ALY | 54 min |
| May 4, 1:24 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 4, 1:32 PM EDT | Severe Thunderstorm Warning | ALY | 58 min |
| May 8, 3:41 AM EDT | Wind Advisory | ALY | 36 hr |
| May 9, 3:45 AM EDT | Freeze Warning | ALY | 28 hr |
| May 9, 4:01 PM EDT | Freeze Watch | ALY | 19 hr |
| May 10, 11:28 AM EDT | Freeze Warning | ALY | 21 hr |
| May 12, 2:45 PM EDT | Freeze Warning | ALY | 17 hr |
| May 16, 3:51 AM EDT | Freeze Warning | ALY | 28 hr |
| May 26, 7:45 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 27, 1:23 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 5, 1:00 PM EDT | Tornado Watch | SPC | 7 hr |
| Jun 7, 2:01 PM EDT | Frost Advisory | ALY | 18 hr |
| Jun 8, 4:06 AM EDT | Frost Advisory | ALY | 25 hr |
| Jun 28, 3:51 PM EDT | Severe Thunderstorm Warning | ALY | 54 min |
| Jun 28, 4:11 PM EDT | Severe Thunderstorm Warning | ALY | 64 min |
| Jun 28, 5:04 PM EDT | Areal Flood Advisory | ALY | 116 min |
| Jun 28, 10:04 PM EDT | Severe Thunderstorm Warning | ALY | 56 min |
| Jul 5, 3:51 PM EDT | Heat Advisory | ALY | 52 hr |
| Jul 7, 2:57 PM EDT | Heat Advisory | ALY | 29 hr |
| Jul 9, 2:54 AM EDT | Flash Flood Warning | ALY | 3 hr |
| Jul 9, 3:40 AM EDT | Flash Flood Watch | ALY | 24 hr |
| Jul 9, 12:54 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 9, 4:21 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Jul 11, 4:59 PM EDT | Areal Flood Advisory | ALY | 35 min |
| Jul 17, 3:05 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Jul 17, 6:36 PM EDT | Severe Thunderstorm Warning | ALY | 54 min |
| Jul 17, 7:04 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Jul 17, 7:20 PM EDT | Flash Flood Warning | ALY | 3 hr |
| Jul 17, 7:31 PM EDT | Severe Thunderstorm Warning | ALY | 59 min |
| Jul 21, 10:43 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 21, 11:27 AM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 21, 1:59 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Jul 21, 3:41 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Jul 21, 6:19 PM EDT | Severe Thunderstorm Warning | ALY | 56 min |
| Jul 21, 7:33 PM EDT | Severe Thunderstorm Warning | ALY | 57 min |
| Jul 21, 7:35 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 21, 8:11 PM EDT | Severe Thunderstorm Warning | ALY | 64 min |
| Jul 24, 12:36 AM EDT | Areal Flood Advisory | ALY | 4 hr |
| Jul 24, 1:22 AM EDT | Areal Flood Advisory | ALY | 4 hr |
| Jul 24, 1:43 AM EDT | Flash Flood Warning | ALY | 4 hr |
| Jul 28, 4:21 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Jul 28, 6:28 PM EDT | Severe Thunderstorm Warning | ALY | 62 min |
| Aug 3, 3:38 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Aug 5, 9:24 AM EDT | Areal Flood Advisory | ALY | 3 hr |
| Aug 5, 7:38 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 9, 5:37 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Aug 10, 3:35 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Aug 16, 5:09 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 16, 5:43 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 16, 7:49 AM EDT | Severe Thunderstorm Warning | ALY | 56 min |
| Aug 16, 8:40 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 16, 11:14 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 22, 4:16 AM EDT | Flood Watch | ALY | 35 hr |
| Aug 22, 3:06 PM EDT | Areal Flood Advisory | ALY | 4 hr |
| Aug 22, 4:56 PM EDT | Areal Flood Advisory | ALY | 4 hr |
| Aug 22, 6:09 PM EDT | Areal Flood Warning | ALY | 6 hr |
| Aug 22, 8:02 PM EDT | Areal Flood Advisory | ALY | 6 hr |
| Aug 23, 12:42 AM EDT | Areal Flood Advisory | ALY | 6 hr |
| Aug 23, 8:22 AM EDT | Areal Flood Advisory | ALY | 10 hr |
| Aug 24, 8:15 AM EDT | River Flood Warning | ALY | 28 hr |
| Sep 3, 8:34 PM EDT | Special Weather Statement | ALY | 41 min |
| Sep 13, 12:51 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Sep 15, 4:26 AM EDT | Frost Advisory | ALY | 26 hr |
| Sep 17, 3:55 AM EDT | Frost Advisory | ALY | 26 hr |
| Sep 20, 3:00 AM EDT | Frost Advisory | ALY | 28 hr |
| Sep 20, 3:00 AM EDT | Freeze Warning | ALY | 28 hr |
| Sep 28, 2:35 PM EDT | Special Weather Statement | ALY | 25 min |
| Sep 29, 4:26 AM EDT | Flood Watch | ALY | 59 hr |
| Sep 29, 11:33 AM EDT | High Wind Watch | ALY | 17 hr |
| Sep 30, 12:20 PM EDT | Areal Flood Advisory | ALY | 6 hr |
| Sep 30, 3:39 PM EDT | Areal Flood Warning | ALY | 6 hr |
| Sep 30, 7:10 PM EDT | Flash Flood Warning | ALY | 3 hr |
| Sep 30, 7:33 PM EDT | Severe Thunderstorm Warning | ALY | 42 min |
| Sep 30, 7:42 PM EDT | River Flood Warning | ALY | 3 days |
| Sep 30, 7:58 PM EDT | Severe Thunderstorm Warning | ALY | 32 min |
| Oct 1, 4:36 AM EDT | Areal Flood Warning | ALY | 6 hr |
| Oct 1, 5:16 AM EDT | River Flood Warning | ALY | 24 hr |
| Oct 1, 6:45 AM EDT | River Flood Warning | ALY | 8 hr |
| Oct 1, 8:44 AM EDT | River Flood Warning | ALY | 6 hr |
| Oct 1, 3:56 PM EDT | Frost Advisory | ALY | 15 hr |
| Oct 2, 4:11 AM EDT | Freeze Warning | ALY | 28 hr |
| Oct 3, 3:35 AM EDT | Frost Advisory | ALY | 23 hr |
| Oct 9, 4:02 AM EDT | Freeze Warning | ALY | 29 hr |
| Oct 13, 3:51 PM EDT | Flood Watch | ALY | 48 hr |
| Oct 14, 4:12 PM EDT | Winter Storm Watch | ALY | 23 hr |
| Oct 14, 4:41 PM EDT | Wind Advisory | ALY | 45 hr |
| Oct 15, 3:17 PM EDT | Winter Weather Advisory | ALY | 7 hr |
| Nov 8, 3:15 PM EST | Winter Weather Advisory | ALY | 6 hr |
| Nov 16, 3:27 AM EST | Wind Advisory | ALY | 27 hr |
| Nov 17, 3:45 AM EST | Wind Advisory | ALY | 21 hr |
| Nov 25, 4:03 AM EST | Winter Weather Advisory | ALY | 29 hr |
| Nov 26, 12:47 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Nov 26, 4:04 AM EST | Lake Effect Snow Advisory | ALY | 32 hr |
| Nov 30, 3:37 AM EST | Flood Watch | ALY | 42 hr |
| Nov 30, 3:37 AM EST | High Wind Watch | ALY | 12 hr |
| Nov 30, 3:42 PM EST | Wind Advisory | ALY | 26 hr |
| Dec 1, 11:59 AM EST | Flash Flood Warning | ALY | 4 hr |
| Dec 1, 2:46 PM EST | River Flood Warning | ALY | 5 hr |
| Dec 2, 7:49 AM EST | River Flood Warning | ALY | 32 hr |
| Dec 5, 3:27 PM EST | Lake Effect Snow Advisory | ALY | 49 hr |
| Dec 6, 3:35 PM EST | Lake Effect Snow Warning | ALY | 25 hr |
| Dec 6, 3:35 PM EST | Winter Weather Advisory | ALY | 25 hr |
| Dec 7, 4:05 PM EST | Lake Effect Snow Advisory | ALY | 35 hr |
| Dec 11, 3:59 AM EST | High Wind Watch | ALY | 11 hr |
| Dec 11, 2:45 PM EST | High Wind Warning | ALY | 29 hr |
| Dec 11, 2:54 PM EST | Winter Weather Advisory | ALY | 21 hr |
| Dec 13, 4:07 AM EST | Winter Weather Advisory | ALY | 30 hr |
| Dec 15, 4:02 PM EST | Lake Effect Snow Advisory | ALY | 19 hr |
| Dec 26, 4:20 AM EST | Winter Weather Advisory | ALY | 48 hr |
| Dec 27, 11:28 AM EST | Wind Chill Advisory | ALY | 17 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 archive20092011
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.