Alert archive / New York / Greene County
Weather alerts in Greene County, New York, 2015
109 weather alerts in 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Greene County and its neighbors
Each county as a circle sized by its count in 2015. Tap one for its archive.
- Alerts
- 109
- Warnings
- 19
- Watches
- 21
- Advisories
- 35
- Busiest month
- June19 alerts
- Busiest day
- May 27, 20156 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Greene County, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 9 | 6 | 33% | 7 | 100% | 18 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Albany, NY: tornado warnings | 6 | 0 | 100% | 2 | 0% | |
| NWS Albany, NY: severe thunderstorm warnings | 80 | 58 | 28% | 198 | 79% | 23 min |
| NWS Albany, NY: flash flood warnings | 7 | 3 | 57% | 10 | 60% | 78 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 2, 4:02 PM EST | Winter Weather Advisory | ALY | 41 hr |
| Jan 5, 3:28 AM EST | Wind Advisory | ALY | 9 hr |
| Jan 6, 4:37 AM EST | Wind Chill Watch | ALY | 12 hr |
| Jan 6, 4:32 PM EST | Wind Chill Warning | ALY | 41 hr |
| Jan 6, 4:32 PM EST | Wind Chill Advisory | ALY | 41 hr |
| Jan 11, 4:17 AM EST | Winter Weather Advisory | ALY | 35 hr |
| Jan 16, 10:31 AM EST | Special Weather Statement | ALY | 59 min |
| Jan 24, 8:37 PM EST | Winter Weather Advisory | ALY | 3 hr |
| Jan 25, 3:44 AM EST | Winter Storm Watch | ALY | 25 hr |
| Jan 25, 3:55 PM EST | Winter Storm Warning | ALY | 48 hr |
| Jan 26, 4:17 AM EST | Winter Weather Advisory | ALY | 42 hr |
| Jan 30, 4:41 AM EST | Wind Chill Advisory | ALY | 30 hr |
| Jan 31, 2:44 AM EST | Winter Storm Watch | ALY | 13 hr |
| Jan 31, 3:58 PM EST | Winter Storm Warning | ALY | 50 hr |
| Feb 1, 9:52 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 2, 4:00 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 2, 4:19 PM EST | Wind Chill Advisory | ALY | 17 hr |
| Feb 5, 4:09 AM EST | Wind Chill Advisory | ALY | 29 hr |
| Feb 6, 3:38 PM EST | Winter Storm Watch | ALY | 24 hr |
| Feb 7, 3:36 PM EST | Winter Storm Warning | ALY | 57 hr |
| Feb 11, 4:42 PM EST | Wind Chill Watch | ALY | 11 hr |
| Feb 12, 3:33 AM EST | Wind Chill Warning | ALY | 32 hr |
| Feb 12, 3:33 AM EST | Wind Chill Advisory | ALY | 32 hr |
| Feb 13, 3:47 PM EST | Wind Chill Watch | ALY | 13 hr |
| Feb 14, 4:17 AM EST | Wind Chill Warning | ALY | 56 hr |
| Feb 14, 4:17 AM EST | Winter Weather Advisory | ALY | 30 hr |
| Feb 19, 3:57 AM EST | Wind Chill Warning | ALY | 30 hr |
| Feb 19, 3:57 AM EST | Wind Chill Advisory | ALY | 30 hr |
| Feb 20, 4:04 PM EST | Winter Weather Advisory | ALY | 40 hr |
| Feb 22, 2:08 PM EST | Wind Chill Advisory | ALY | 40 hr |
| Feb 28, 2:30 PM EST | Winter Weather Advisory | ALY | 38 hr |
| Mar 2, 2:31 PM EST | Winter Weather Advisory | ALY | 39 hr |
| Mar 3, 5:48 PM EST | Special Weather Statement | ALY | 117 min |
| Mar 3, 7:01 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Mar 11, 3:19 AM EDT | Dense Fog Advisory | ALY | 5 hr |
| Mar 13, 3:29 PM EDT | Freezing Rain Advisory | ALY | 19 hr |
| Apr 3, 3:45 AM EDT | Wind Advisory | ALY | 36 hr |
| Apr 3, 3:48 AM EDT | Flood Watch | ALY | 32 hr |
| May 11, 1:32 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 13, 3:40 AM EDT | Freeze Warning | ALY | 28 hr |
| May 19, 5:12 PM EDT | Special Weather Statement | ALY | 33 min |
| May 19, 5:39 PM EDT | Severe Thunderstorm Warning | ALY | 57 min |
| May 19, 7:38 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 20, 4:19 AM EDT | Frost Advisory | ALY | 26 hr |
| May 21, 3:57 PM EDT | Freeze Watch | ALY | 12 hr |
| May 22, 3:34 AM EDT | Frost Advisory | ALY | 27 hr |
| May 22, 3:34 AM EDT | Freeze Warning | ALY | 28 hr |
| May 27, 11:50 AM EDT | Mesoscale Discussion | SPC | 85 min |
| May 27, 12:54 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 27, 1:52 PM EDT | Special Weather Statement | ALY | 53 min |
| May 27, 2:59 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 27, 3:31 PM EDT | Special Weather Statement | ALY | 59 min |
| May 27, 4:49 PM EDT | Mesoscale Discussion | SPC | 86 min |
| May 28, 11:16 AM EDT | Mesoscale Discussion | SPC | 89 min |
| May 28, 11:30 AM EDT | Mesoscale Discussion | SPC | 60 min |
| May 28, 11:54 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 8, 1:39 PM EDT | Tornado Watch | SPC | 6 hr |
| Jun 8, 2:58 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jun 8, 6:04 PM EDT | Special Weather Statement | ALY | 26 min |
| Jun 8, 6:44 PM EDT | Special Weather Statement | ALY | 31 min |
| Jun 8, 7:12 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jun 9, 12:36 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Jun 9, 2:50 PM EDT | Severe Thunderstorm Warning | ALY | 55 min |
| Jun 12, 3:07 PM EDT | Tornado Watch | SPC | 8 hr |
| Jun 12, 6:22 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Jun 12, 8:56 PM EDT | Severe Thunderstorm Warning | ALY | 64 min |
| Jun 12, 9:15 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jun 12, 9:50 PM EDT | Severe Thunderstorm Warning | ALY | 55 min |
| Jun 23, 8:57 AM EDT | Mesoscale Discussion | SPC | 63 min |
| Jun 23, 9:22 AM EDT | Severe Thunderstorm Warning | ALY | 23 min |
| Jun 23, 10:12 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 23, 2:46 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jun 23, 3:35 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 23, 8:34 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Jun 27, 4:14 AM EDT | Flood Watch | ALY | 30 hr |
| Jul 1, 3:03 AM EDT | Flash Flood Watch | ALY | 5 hr |
| Jul 1, 1:17 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 9, 3:28 AM EDT | Flash Flood Watch | ALY | 17 hr |
| Jul 19, 2:49 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 19, 4:46 PM EDT | Severe Thunderstorm Warning | ALY | 44 min |
| Jul 21, 12:53 PM EDT | Mesoscale Discussion | SPC | 67 min |
| Aug 3, 4:29 PM EDT | Special Weather Statement | ALY | 31 min |
| Aug 4, 12:18 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 4, 12:20 PM EDT | Severe Thunderstorm Warning | ALY | 25 min |
| Aug 15, 5:01 PM EDT | Severe Thunderstorm Warning | ALY | 59 min |
| Aug 15, 5:39 PM EDT | Severe Thunderstorm Warning | ALY | 51 min |
| Aug 18, 2:22 PM EDT | Special Weather Statement | ALY | 53 min |
| Aug 18, 3:28 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Aug 21, 1:41 AM EDT | Special Weather Statement | ALY | 64 min |
| Aug 21, 4:05 AM EDT | Areal Flood Advisory | ALY | 3 hr |
| Aug 24, 8:10 PM EDT | Special Weather Statement | ALY | 50 min |
| Sep 9, 6:49 PM EDT | Special Weather Statement | ALY | 26 min |
| Sep 29, 3:37 AM EDT | Flood Watch | ALY | 33 hr |
| Sep 29, 9:31 PM EDT | Areal Flood Advisory | ALY | 6 hr |
| Sep 30, 3:44 AM EDT | Areal Flood Advisory | ALY | 5 hr |
| Sep 30, 7:54 AM EDT | Areal Flood Advisory | ALY | 4 hr |
| Oct 4, 4:01 AM EDT | Frost Advisory | ALY | 29 hr |
| Oct 10, 3:02 AM EDT | Frost Advisory | ALY | 30 hr |
| Oct 16, 3:41 PM EDT | Freeze Watch | ALY | 12 hr |
| Oct 17, 3:40 AM EDT | Freeze Warning | ALY | 29 hr |
| Oct 27, 3:41 PM EDT | Wind Advisory | ALY | 32 hr |
| Oct 29, 11:15 AM EDT | Special Weather Statement | ALY | 60 min |
| Nov 30, 10:50 PM EST | Freezing Rain Advisory | ALY | 13 hr |
| Dec 6, 7:22 AM EST | Dense Fog Advisory | ALY | 5 hr |
| Dec 6, 8:01 PM EST | Dense Fog Advisory | ALY | 14 hr |
| Dec 14, 3:23 PM EST | Wind Advisory | ALY | 26 hr |
| Dec 22, 9:30 PM EST | Dense Fog Advisory | ALY | 12 hr |
| Dec 27, 3:43 PM EST | Winter Weather Advisory | ALY | 51 hr |
| Dec 28, 10:25 PM EST | Mesoscale Discussion | SPC | 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 | 9 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 21 |
| Special Weather Statement | 13 |
| Flooding | |
| Flash Flood Watch | 2 |
| Flood Watch | 3 |
| Areal Flood Advisory | 5 |
| Winter | |
| Winter Storm Warning | 3 |
| Winter Storm Watch | 3 |
| Freezing Rain Advisory | 2 |
| Winter Weather Advisory | 9 |
| Cold | |
| Freeze Warning | 3 |
| Wind Chill Warning | 4 |
| Freeze Watch | 2 |
| Wind Chill Watch | 3 |
| Frost Advisory | 4 |
| Wind Chill Advisory | 7 |
| Wind and dust | |
| Wind Advisory | 4 |
| 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 archive20142016
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.