Alert archive / New York / Montgomery County
Weather alerts in Montgomery County, New York, 2012
114 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Montgomery County and its neighbors
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Alerts
- 114
- Warnings
- 19
- Watches
- 15
- Advisories
- 29
- Busiest month
- July21 alerts
- Busiest day
- July 23, 20128 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Montgomery County, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 10 | 8 | 20% | 8 | 75% | 38 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Albany, NY: tornado warnings | 7 | 0 | 100% | 0 | ||
| NWS Albany, NY: severe thunderstorm warnings | 121 | 80 | 34% | 219 | 87% | 25 min |
| NWS Albany, NY: flash flood warnings | 8 | 6 | 25% | 11 | 73% | 88 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 11, 4:05 AM EST | Winter Weather Advisory | ALY | 36 hr |
| Jan 12, 3:52 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 12, 9:16 PM EST | Wind Advisory | ALY | 22 hr |
| Jan 13, 12:29 PM EST | Special Weather Statement | ALY | 31 min |
| Jan 14, 3:49 AM EST | Wind Chill Advisory | ALY | 30 hr |
| Jan 16, 3:56 AM EST | Winter Weather Advisory | ALY | 39 hr |
| Jan 17, 4:34 AM EST | Wind Advisory | ALY | 31 hr |
| Jan 22, 3:23 PM EST | Freezing Rain Advisory | ALY | 23 hr |
| Jan 26, 3:38 AM EST | Winter Weather Advisory | ALY | 27 hr |
| Feb 23, 4:42 PM EST | Winter Weather Advisory | ALY | 40 hr |
| Feb 24, 5:03 AM EST | Wind Advisory | ALY | 47 hr |
| Feb 24, 4:35 PM EST | High Wind Warning | ALY | 20 hr |
| Feb 28, 4:20 AM EST | Winter Storm Watch | ALY | 24 hr |
| Feb 29, 4:08 AM EST | Winter Storm Warning | ALY | 38 hr |
| Feb 29, 11:05 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 29, 11:17 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Mar 2, 4:01 PM EST | Winter Weather Advisory | ALY | 20 hr |
| Mar 9, 5:36 PM EST | Special Weather Statement | ALY | 54 min |
| Mar 9, 6:47 PM EST | Special Weather Statement | ALY | 58 min |
| Mar 15, 4:44 AM EDT | Special Weather Statement | ALY | 46 min |
| Mar 15, 3:44 PM EDT | Special Weather Statement | ALY | 61 min |
| Apr 17, 3:40 AM EDT | Frost Advisory | ALY | 29 hr |
| Apr 18, 4:27 AM EDT | Frost Advisory | ALY | 28 hr |
| Apr 25, 4:25 AM EDT | Freeze Warning | ALY | 28 hr |
| Apr 27, 3:21 AM EDT | Freeze Warning | ALY | 30 hr |
| Apr 28, 10:04 AM EDT | Freeze Warning | ALY | 22 hr |
| Apr 29, 10:18 AM EDT | Freeze Warning | ALY | 23 hr |
| May 4, 12:19 AM EDT | Mesoscale Discussion | SPC | 86 min |
| May 8, 12:45 PM EDT | Areal Flood Advisory | ALY | 6 hr |
| May 16, 12:27 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 16, 1:18 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 16, 3:20 PM EDT | Severe Thunderstorm Warning | ALY | 55 min |
| May 16, 3:37 PM EDT | Mesoscale Discussion | SPC | 113 min |
| May 17, 3:19 AM EDT | Frost Advisory | ALY | 29 hr |
| May 28, 8:09 AM EDT | Mesoscale Discussion | SPC | 96 min |
| May 29, 11:43 AM EDT | Mesoscale Discussion | SPC | 62 min |
| May 29, 12:01 PM EDT | Mesoscale Discussion | SPC | 59 min |
| May 29, 12:26 PM EDT | Tornado Watch | SPC | 8 hr |
| May 29, 1:52 PM EDT | Mesoscale Discussion | SPC | 53 min |
| May 29, 3:26 PM EDT | Mesoscale Discussion | SPC | 64 min |
| May 29, 4:20 PM EDT | Severe Thunderstorm Warning | ALY | 55 min |
| May 29, 4:56 PM EDT | Areal Flood Advisory | ALY | 2 hr |
| Jun 19, 3:03 PM EDT | Heat Advisory | ALY | 29 hr |
| Jun 22, 12:18 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 23, 11:42 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 23, 2:28 PM EDT | Special Weather Statement | ALY | 62 min |
| Jul 17, 1:23 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 17, 3:09 PM EDT | Heat Advisory | ALY | 5 hr |
| Jul 17, 3:32 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Jul 17, 10:56 PM EDT | Special Weather Statement | ALY | 34 min |
| Jul 23, 12:32 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jul 23, 1:24 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jul 23, 1:50 PM EDT | Severe Thunderstorm Warning | ALY | 55 min |
| Jul 23, 2:39 PM EDT | Special Weather Statement | ALY | 36 min |
| Jul 23, 3:27 PM EDT | Severe Thunderstorm Warning | ALY | 63 min |
| Jul 23, 4:01 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jul 23, 6:55 PM EDT | Special Weather Statement | ALY | 35 min |
| Jul 23, 7:58 PM EDT | Severe Thunderstorm Warning | ALY | 62 min |
| Jul 23, 10:29 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Jul 23, 11:40 PM EDT | Special Weather Statement | ALY | 50 min |
| Jul 24, 12:22 AM EDT | Severe Thunderstorm Warning | ALY | 53 min |
| Jul 24, 1:03 AM EDT | Severe Thunderstorm Warning | ALY | 57 min |
| Jul 24, 2:08 AM EDT | Special Weather Statement | ALY | 37 min |
| Jul 26, 1:50 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Jul 26, 2:10 PM EDT | Tornado Watch | SPC | 6 hr |
| Jul 28, 3:43 AM EDT | Flash Flood Watch | ALY | 31 hr |
| Jul 29, 3:31 PM EDT | Special Weather Statement | ALY | 29 min |
| Jul 31, 8:33 PM EDT | Special Weather Statement | ALY | 57 min |
| Aug 1, 3:54 PM EDT | Special Weather Statement | ALY | 66 min |
| Aug 1, 5:04 PM EDT | Special Weather Statement | ALY | 56 min |
| Aug 5, 3:38 AM EDT | Flash Flood Watch | ALY | 18 hr |
| Aug 5, 4:21 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Aug 9, 5:55 PM EDT | Special Weather Statement | ALY | 35 min |
| Aug 9, 6:21 PM EDT | Special Weather Statement | ALY | 54 min |
| Aug 11, 12:56 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Aug 11, 6:11 PM EDT | Special Weather Statement | ALY | 34 min |
| Sep 6, 6:45 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Sep 8, 11:38 AM EDT | Mesoscale Discussion | SPC | 97 min |
| Sep 8, 12:40 PM EDT | Tornado Watch | SPC | 7 hr |
| Sep 8, 1:24 PM EDT | Severe Thunderstorm Warning | ALY | 96 min |
| Sep 8, 2:46 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Sep 8, 2:56 PM EDT | Severe Thunderstorm Warning | ALY | 79 min |
| Sep 8, 3:52 PM EDT | Severe Thunderstorm Warning | ALY | 53 min |
| Sep 17, 3:25 PM EDT | High Wind Watch | ALY | 14 hr |
| Sep 18, 5:08 AM EDT | Wind Advisory | ALY | 17 hr |
| Sep 18, 11:19 AM EDT | Mesoscale Discussion | SPC | 86 min |
| Sep 18, 12:57 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Sep 18, 3:26 PM EDT | Mesoscale Discussion | SPC | 34 min |
| Sep 18, 3:38 PM EDT | Tornado Watch | SPC | 8 hr |
| Sep 18, 4:21 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Sep 18, 5:25 PM EDT | Special Weather Statement | ALY | 65 min |
| Sep 18, 6:24 PM EDT | Areal Flood Advisory | ALY | 100 min |
| Oct 5, 12:26 AM EDT | Dense Fog Advisory | ALY | 10 hr |
| Oct 8, 4:34 AM EDT | Frost Advisory | ALY | 28 hr |
| Oct 11, 2:57 PM EDT | Freeze Watch | ALY | 13 hr |
| Oct 12, 4:08 AM EDT | Freeze Warning | ALY | 29 hr |
| Oct 19, 6:44 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Oct 19, 6:45 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Oct 27, 4:22 PM EDT | Flood Watch | ALY | 59 hr |
| Oct 27, 4:23 PM EDT | High Wind Watch | ALY | 12 hr |
| Oct 28, 4:23 AM EDT | High Wind Warning | ALY | 47 hr |
| Oct 30, 3:34 AM EDT | Wind Advisory | ALY | 13 hr |
| Nov 12, 11:47 PM EST | Special Weather Statement | ALY | 58 min |
| Nov 24, 11:51 AM EST | Special Weather Statement | ALY | 54 min |
| Nov 26, 6:36 AM EST | Special Weather Statement | ALY | 54 min |
| Dec 9, 12:24 PM EST | Winter Weather Advisory | ALY | 18 hr |
| Dec 16, 4:06 AM EST | Winter Weather Advisory | ALY | 32 hr |
| Dec 16, 8:19 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Dec 20, 12:05 PM EST | Wind Advisory | ALY | 25 hr |
| Dec 22, 3:52 AM EST | Wind Advisory | ALY | 12 hr |
| Dec 24, 4:29 PM EST | Winter Storm Watch | ALY | 36 hr |
| Dec 25, 4:32 PM EST | Winter Storm Warning | ALY | 50 hr |
| Dec 26, 2:14 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Dec 28, 10:51 PM EST | Winter Weather Advisory | ALY | 26 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 | 10 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 4 |
| Mesoscale Discussion | 29 |
| Special Weather Statement | 22 |
| Flooding | |
| Flash Flood Watch | 2 |
| Flood Watch | 1 |
| Areal Flood Advisory | 5 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Freezing Rain Advisory | 1 |
| Winter Weather Advisory | 8 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 5 |
| Freeze Watch | 1 |
| Frost Advisory | 4 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 2 |
| Wind Advisory | 7 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
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.