Alert archive / New York / Washington County
Weather alerts in Washington County, New York, 2020
143 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Washington County and its neighbors
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Alerts
- 143
- Warnings
- 35
- Watches
- 13
- Advisories
- 35
- Busiest month
- August48 alerts
- Busiest day
- August 29, 20209 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
2 of 3 tornado warnings covering Washington County in 2020 had a tornado report inside them; 0 of 1 tornado reports fell inside a warning.
Washington County, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 2 | 33% | 1 | 0% | |
| Severe thunderstorm warnings | 23 | 19 | 17% | 77 | 94% | 32 min |
| Flash flood warnings | 1 | 1 | 0% | 5 | 100% | 8 min |
Each office's whole area, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Albany, NY: tornado warnings | 20 | 6 | 70% | 17 | 65% | 21 min |
| NWS Albany, NY: severe thunderstorm warnings | 137 | 86 | 37% | 514 | 88% | 24 min |
| NWS Albany, NY: flash flood warnings | 7 | 3 | 57% | 22 | 95% | 43 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 8, 6:37 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 10, 3:25 AM EST | Winter Weather Advisory | ALY | 12 hr |
| Jan 11, 1:24 PM EST | Wind Advisory | ALY | 26 hr |
| Jan 17, 3:46 AM EST | Winter Storm Watch | ALY | 11 hr |
| Jan 17, 3:13 PM EST | Winter Storm Warning | ALY | 46 hr |
| Jan 24, 4:20 PM EST | Winter Weather Advisory | ALY | 32 hr |
| Feb 5, 3:24 AM EST | Winter Weather Advisory | ALY | 66 hr |
| Feb 5, 4:18 PM EST | Winter Storm Watch | ALY | 23 hr |
| Feb 7, 9:58 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 12, 4:40 AM EST | Winter Weather Advisory | ALY | 32 hr |
| Mar 13, 1:08 PM EDT | Special Weather Statement | ALY | 67 min |
| Mar 20, 2:47 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Mar 22, 2:14 PM EDT | Winter Weather Advisory | ALY | 35 hr |
| Mar 23, 3:26 PM EDT | Mesoscale Discussion | SPC | 6 hr |
| Mar 29, 7:11 PM EDT | Special Weather Statement | ALY | 34 min |
| Mar 29, 7:46 PM EDT | Special Weather Statement | ALY | 29 min |
| Apr 9, 3:44 AM EDT | Wind Advisory | ALY | 36 hr |
| Apr 12, 3:32 PM EDT | Wind Advisory | ALY | 31 hr |
| Apr 13, 2:42 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Apr 21, 12:59 PM EDT | Special Weather Statement | ALY | 61 min |
| May 5, 3:47 AM EDT | Frost Advisory | ALY | 28 hr |
| May 7, 8:51 PM EDT | Special Weather Statement | ALY | 39 min |
| May 9, 3:48 AM EDT | Freeze Warning | ALY | 27 hr |
| May 10, 2:59 PM EDT | Freeze Watch | ALY | 24 hr |
| May 12, 10:20 AM EDT | Freeze Warning | ALY | 22 hr |
| May 13, 12:53 PM EDT | Freeze Warning | ALY | 19 hr |
| May 15, 2:59 PM EDT | Mesoscale Discussion | SPC | 91 min |
| May 15, 3:32 PM EDT | Tornado Watch | SPC | 6 hr |
| May 15, 4:58 PM EDT | Mesoscale Discussion | SPC | 92 min |
| May 15, 5:42 PM EDT | Severe Thunderstorm Warning | ALY | 48 min |
| May 15, 6:16 PM EDT | Tornado Warning | ALY | 29 min |
| May 15, 6:26 PM EDT | Severe Thunderstorm Warning | ALY | 49 min |
| May 15, 6:59 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 29, 2:24 PM EDT | Severe Thunderstorm Warning | ALY | 66 min |
| May 29, 2:25 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 29, 3:29 PM EDT | Severe Thunderstorm Warning | ALY | 10 min |
| May 29, 5:22 PM EDT | Severe Thunderstorm Warning | ALY | 68 min |
| May 29, 5:57 PM EDT | Severe Thunderstorm Warning | ALY | 63 min |
| May 29, 6:26 PM EDT | Severe Thunderstorm Warning | ALY | 27 min |
| May 29, 6:52 PM EDT | Severe Thunderstorm Warning | ALY | 53 min |
| May 29, 8:01 PM EDT | Mesoscale Discussion | SPC | 119 min |
| May 29, 8:18 PM EDT | Severe Thunderstorm Warning | ALY | 57 min |
| Jun 11, 6:48 AM EDT | Special Weather Statement | ALY | 57 min |
| Jun 24, 5:25 AM EDT | Special Weather Statement | ALY | 65 min |
| Jun 24, 6:18 AM EDT | Special Weather Statement | ALY | 57 min |
| Jun 28, 12:37 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 28, 3:21 PM EDT | Special Weather Statement | ALY | 39 min |
| Jul 2, 2:41 PM EDT | Mesoscale Discussion | SPC | 109 min |
| Jul 2, 3:40 PM EDT | Special Weather Statement | ALY | 35 min |
| Jul 2, 3:46 PM EDT | Special Weather Statement | ALY | 29 min |
| Jul 2, 4:01 PM EDT | Special Weather Statement | ALY | 29 min |
| Jul 2, 4:16 PM EDT | Special Weather Statement | ALY | 14 min |
| Jul 3, 6:01 PM EDT | Areal Flood Advisory | ALY | 98 min |
| Jul 8, 4:07 AM EDT | Heat Advisory | ALY | 40 hr |
| Jul 8, 1:01 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jul 8, 2:37 PM EDT | Severe Thunderstorm Warning | ALY | 53 min |
| Jul 8, 3:39 PM EDT | Areal Flood Advisory | ALY | 2 hr |
| Jul 8, 3:42 PM EDT | Severe Thunderstorm Warning | ALY | 41 min |
| Jul 8, 6:09 PM EDT | Special Weather Statement | ALY | 36 min |
| Jul 11, 3:54 AM EDT | Heat Advisory | ALY | 15 hr |
| Jul 11, 2:44 PM EDT | Special Weather Statement | ALY | 31 min |
| Jul 11, 9:16 PM EDT | Special Weather Statement | ALY | 29 min |
| Jul 14, 12:59 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Jul 14, 2:00 PM EDT | Severe Thunderstorm Warning | ALY | 44 min |
| Jul 18, 3:51 AM EDT | Heat Advisory | ALY | 63 hr |
| Jul 22, 2:57 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 23, 2:35 PM EDT | Special Weather Statement | ALY | 25 min |
| Jul 23, 3:11 PM EDT | Special Weather Statement | ALY | 34 min |
| Jul 23, 7:48 PM EDT | Special Weather Statement | ALY | 57 min |
| Jul 26, 2:59 PM EDT | Heat Advisory | ALY | 29 hr |
| Jul 30, 1:20 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Aug 2, 2:00 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 2, 3:10 PM EDT | Tornado Watch | SPC | 7 hr |
| Aug 2, 6:45 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 3, 3:26 AM EDT | Flash Flood Watch | ALY | 42 hr |
| Aug 3, 3:15 PM EDT | Wind Advisory | ALY | 30 hr |
| Aug 4, 10:04 AM EDT | Areal Flood Advisory | ALY | 88 min |
| Aug 4, 11:41 AM EDT | Special Weather Statement | ALY | 49 min |
| Aug 4, 12:43 PM EDT | Tornado Watch | SPC | 6 hr |
| Aug 4, 3:34 PM EDT | Areal Flood Advisory | ALY | 4 hr |
| Aug 4, 4:18 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Aug 9, 3:17 PM EDT | Heat Advisory | ALY | 53 hr |
| Aug 10, 2:29 PM EDT | Special Weather Statement | ALY | 46 min |
| Aug 10, 3:24 PM EDT | Severe Thunderstorm Warning | ALY | 66 min |
| Aug 10, 4:31 PM EDT | Special Weather Statement | ALY | 44 min |
| Aug 10, 4:49 PM EDT | Special Weather Statement | ALY | 41 min |
| Aug 10, 5:11 PM EDT | Severe Thunderstorm Warning | ALY | 64 min |
| Aug 10, 5:31 PM EDT | Special Weather Statement | ALY | 29 min |
| Aug 10, 5:58 PM EDT | Areal Flood Advisory | ALY | 117 min |
| Aug 11, 3:02 AM EDT | Heat Advisory | ALY | 17 hr |
| Aug 11, 8:29 PM EDT | Special Weather Statement | ALY | 46 min |
| Aug 11, 9:22 PM EDT | Special Weather Statement | ALY | 53 min |
| Aug 21, 2:26 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 22, 7:05 AM EDT | Special Weather Statement | ALY | 40 min |
| Aug 22, 7:44 AM EDT | Special Weather Statement | ALY | 46 min |
| Aug 23, 2:08 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 23, 4:31 PM EDT | Severe Thunderstorm Warning | ALY | 29 min |
| Aug 23, 6:39 PM EDT | Special Weather Statement | ALY | 36 min |
| Aug 23, 6:58 PM EDT | Special Weather Statement | ALY | 32 min |
| Aug 24, 2:00 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 24, 4:00 PM EDT | Severe Thunderstorm Warning | ALY | 45 min |
| Aug 24, 4:43 PM EDT | Severe Thunderstorm Warning | ALY | 62 min |
| Aug 24, 5:12 PM EDT | Areal Flood Advisory | ALY | 111 min |
| Aug 24, 6:06 PM EDT | Flash Flood Warning | ALY | 3 hr |
| Aug 24, 6:27 PM EDT | Areal Flood Advisory | ALY | 109 min |
| Aug 24, 6:45 PM EDT | Severe Thunderstorm Warning | ALY | 60 min |
| Aug 24, 9:16 PM EDT | Areal Flood Warning | ALY | 11 hr |
| Aug 25, 2:09 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Aug 25, 2:36 PM EDT | Special Weather Statement | ALY | 24 min |
| Aug 25, 2:59 PM EDT | Special Weather Statement | ALY | 61 min |
| Aug 29, 1:36 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Aug 29, 2:59 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 29, 4:52 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Aug 29, 4:54 PM EDT | Severe Thunderstorm Warning | ALY | 45 min |
| Aug 29, 5:11 PM EDT | Tornado Warning | ALY | 34 min |
| Aug 29, 5:31 PM EDT | Tornado Warning | ALY | 29 min |
| Aug 29, 6:34 PM EDT | Severe Thunderstorm Warning | ALY | 31 min |
| Aug 29, 6:45 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 29, 7:40 PM EDT | Severe Thunderstorm Warning | ALY | 65 min |
| Sep 14, 2:58 AM EDT | Frost Advisory | ALY | 30 hr |
| Sep 18, 3:34 AM EDT | Frost Advisory | ALY | 28 hr |
| Sep 30, 1:23 AM EDT | Areal Flood Advisory | ALY | 112 min |
| Sep 30, 4:55 AM EDT | Areal Flood Advisory | ALY | 3 hr |
| Oct 6, 3:18 PM EDT | Wind Advisory | ALY | 31 hr |
| Oct 7, 3:08 PM EDT | Special Weather Statement | ALY | 37 min |
| Oct 7, 3:21 PM EDT | Severe Thunderstorm Warning | ALY | 39 min |
| Oct 7, 3:56 PM EDT | Severe Thunderstorm Warning | ALY | 34 min |
| Oct 10, 2:13 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Oct 10, 6:44 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 29, 1:43 AM EDT | Dense Fog Advisory | ALY | 6 hr |
| Dec 15, 3:54 PM EST | Winter Storm Watch | ALY | 11 hr |
| Dec 15, 3:54 PM EST | Winter Storm Warning | ALY | 45 hr |
| Dec 16, 10:12 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Dec 17, 9:59 AM EST | Special Weather Statement | ALY | 31 min |
| Dec 17, 10:05 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Dec 17, 10:34 AM EST | Special Weather Statement | ALY | 26 min |
| Dec 22, 3:06 PM EST | Flood Watch | ALY | 3 days |
| Dec 24, 3:44 AM EST | Wind Advisory | ALY | 30 hr |
| Dec 24, 1:03 PM EST | River Flood Warning | ALY | 34 hr |
| Dec 24, 1:08 PM EST | River Flood Warning | ALY | 36 hr |
| Dec 25, 5:51 AM EST | Areal Flood Advisory | ALY | 4 hr |
| Dec 30, 3:24 AM EST | Winter Weather Advisory | ALY | 24 hr |
| Dec 30, 1:20 PM EST | Winter Weather Advisory | ALY | 15 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 | 23 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 25 |
| Special Weather Statement | 35 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 1 |
| River Flood Warning | 2 |
| Flash Flood Watch | 1 |
| Flood Watch | 1 |
| Areal Flood Advisory | 12 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 7 |
| Heat | |
| Heat Advisory | 6 |
| Cold | |
| Freeze Warning | 3 |
| Freeze Watch | 1 |
| Frost Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 6 |
| 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 archive20192021
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.