Alert archive / New York / Ulster County
Weather alerts in Ulster County, New York, 2018
217 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Ulster County and its neighbors
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Alerts
- 217
- Warnings
- 51
- Watches
- 26
- Advisories
- 82
- Busiest month
- August41 alerts
- Busiest day
- May 15, 201813 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 4 tornado warnings covering Ulster County in 2018 had a tornado report inside them; 0 of 1 tornado reports fell inside a warning.
Ulster County, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 4 | 0 | 100% | 1 | 0% | |
| Severe thunderstorm warnings | 21 | 14 | 33% | 21 | 90% | 31 min |
| Flash flood warnings | 4 | 2 | 50% | 3 | 33% | 20 min |
Each office's whole area, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Albany, NY: tornado warnings | 8 | 1 | 88% | 3 | 67% | 10 min |
| NWS Albany, NY: severe thunderstorm warnings | 112 | 75 | 33% | 349 | 83% | 25 min |
| NWS Albany, NY: flash flood warnings | 19 | 11 | 42% | 43 | 81% | 61 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, 1:07 PM EST | Wind Chill Advisory | ALY | 23 hr |
| Jan 3, 3:50 AM EST | Wind Chill Watch | ALY | 24 hr |
| Jan 3, 3:01 PM EST | Winter Storm Warning | ALY | 27 hr |
| Jan 3, 3:01 PM EST | Winter Weather Advisory | ALY | 27 hr |
| Jan 4, 3:59 AM EST | Wind Chill Warning | ALY | 3 days |
| Jan 4, 2:41 PM EST | Wind Chill Advisory | ALY | 67 hr |
| Jan 4, 6:13 PM EST | Winter Weather Advisory | ALY | 45 hr |
| Jan 8, 2:10 PM EST | Special Weather Statement | ALY | 95 min |
| Jan 10, 3:09 PM EST | Flood Watch | ALY | 4 days |
| Jan 12, 3:49 AM EST | Winter Weather Advisory | ALY | 33 hr |
| Jan 13, 12:56 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 13, 3:29 PM EST | Wind Chill Advisory | ALY | 18 hr |
| Jan 15, 3:23 PM EST | Winter Weather Advisory | ALY | 51 hr |
| Jan 16, 3:09 AM EST | Winter Storm Warning | ALY | 36 hr |
| Jan 22, 3:44 PM EST | Flood Watch | ALY | 35 hr |
| Jan 23, 7:22 AM EST | Areal Flood Advisory | ALY | 6 hr |
| Feb 4, 3:32 AM EST | Winter Weather Advisory | ALY | 22 hr |
| Feb 4, 6:32 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 4, 10:14 PM EST | Areal Flood Advisory | ALY | 3 hr |
| Feb 5, 3:14 PM EST | Winter Storm Watch | ALY | 25 hr |
| Feb 6, 3:12 AM EST | Winter Storm Warning | ALY | 42 hr |
| Feb 6, 3:58 PM EST | Winter Weather Advisory | ALY | 29 hr |
| Feb 7, 11:25 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 9, 3:47 AM EST | Winter Weather Advisory | ALY | 62 hr |
| Feb 11, 8:51 PM EST | Dense Fog Advisory | ALY | 3 hr |
| Feb 17, 2:17 AM EST | Winter Weather Advisory | ALY | 28 hr |
| Feb 21, 3:08 PM EST | Winter Weather Advisory | ALY | 27 hr |
| Feb 22, 2:07 PM EST | Special Weather Statement | ALY | 83 min |
| Feb 22, 3:39 PM EST | Winter Weather Advisory | ALY | 29 hr |
| Feb 22, 3:48 PM EST | Special Weather Statement | ALY | 72 min |
| Feb 24, 3:07 AM EST | Winter Weather Advisory | ALY | 37 hr |
| Feb 28, 3:59 AM EST | Winter Storm Watch | ALY | 36 hr |
| Feb 28, 2:45 PM EST | Flood Watch | ALY | 54 hr |
| Mar 1, 4:00 AM EST | Winter Storm Warning | ALY | 41 hr |
| Mar 1, 3:56 PM EST | Winter Weather Advisory | ALY | 29 hr |
| Mar 2, 3:15 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Mar 4, 1:16 AM EST | River Flood Warning | ALY | 7 hr |
| Mar 5, 3:28 AM EST | Winter Storm Watch | ALY | 36 hr |
| Mar 6, 1:57 AM EST | River Flood Warning | ALY | 8 hr |
| Mar 6, 3:48 AM EST | Winter Storm Warning | ALY | 59 hr |
| Mar 12, 3:33 AM EDT | Winter Weather Advisory | ALY | 3 days |
| Mar 19, 3:28 PM EDT | Winter Storm Watch | ALY | 21 hr |
| Mar 20, 12:37 PM EDT | Winter Weather Advisory | ALY | 40 hr |
| Apr 3, 3:37 PM EDT | High Wind Warning | ALY | 37 hr |
| Apr 3, 3:37 PM EDT | Wind Advisory | ALY | 19 hr |
| Apr 13, 4:08 AM EDT | Winter Weather Advisory | ALY | 3 days |
| Apr 15, 4:30 AM EDT | Wind Advisory | ALY | 39 hr |
| Apr 15, 10:23 PM EDT | River Flood Warning | ALY | 17 hr |
| Apr 17, 1:15 AM EDT | River Flood Warning | ALY | 38 min |
| Apr 28, 3:11 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 4, 3:57 AM EDT | Wind Advisory | ALY | 23 hr |
| May 4, 4:20 PM EDT | Special Weather Statement | ALY | 40 min |
| May 4, 5:03 PM EDT | Severe Thunderstorm Warning | ALY | 57 min |
| May 4, 5:52 PM EDT | Mesoscale Discussion | SPC | 83 min |
| May 4, 6:20 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 4, 8:34 PM EDT | Severe Thunderstorm Warning | ALY | 56 min |
| May 4, 8:50 PM EDT | Mesoscale Discussion | SPC | 85 min |
| May 10, 4:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| May 10, 5:22 PM EDT | Special Weather Statement | ALY | 53 min |
| May 10, 6:13 PM EDT | Special Weather Statement | ALY | 32 min |
| May 10, 6:46 PM EDT | Special Weather Statement | ALY | 29 min |
| May 15, 11:43 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| May 15, 1:03 PM EDT | Tornado Watch | SPC | 4 hr |
| May 15, 1:55 PM EDT | Severe Thunderstorm Warning | ALY | 50 min |
| May 15, 2:20 PM EDT | Severe Thunderstorm Warning | ALY | 40 min |
| May 15, 2:31 PM EDT | Tornado Warning | ALY | 29 min |
| May 15, 2:38 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 15, 2:48 PM EDT | Tornado Warning | ALY | 42 min |
| May 15, 2:58 PM EDT | Severe Thunderstorm Warning | ALY | 62 min |
| May 15, 3:07 PM EDT | Severe Thunderstorm Warning | ALY | 38 min |
| May 15, 3:34 PM EDT | Severe Thunderstorm Warning | ALY | 56 min |
| May 15, 3:42 PM EDT | Severe Thunderstorm Warning | ALY | 48 min |
| May 15, 3:51 PM EDT | Tornado Warning | ALY | 24 min |
| May 15, 4:15 PM EDT | Tornado Warning | ALY | 30 min |
| Jun 17, 2:47 PM EDT | Heat Advisory | ALY | 28 hr |
| Jun 18, 4:04 PM EDT | Mesoscale Discussion | SPC | 26 min |
| Jun 18, 6:48 PM EDT | Severe Thunderstorm Warning | ALY | 34 min |
| Jun 24, 2:53 PM EDT | Special Weather Statement | ALY | 37 min |
| Jun 28, 6:01 AM EDT | Areal Flood Advisory | ALY | 3 hr |
| Jun 28, 2:56 PM EDT | Severe Thunderstorm Warning | ALY | 34 min |
| Jun 29, 3:12 AM EDT | Heat Advisory | ALY | 5 days |
| Jun 29, 3:22 PM EDT | Excessive Heat Warning | ALY | 3 days |
| Jul 3, 3:33 PM EDT | Heat Advisory | ALY | 30 hr |
| Jul 3, 4:05 PM EDT | Special Weather Statement | ALY | 25 min |
| Jul 3, 4:13 PM EDT | Severe Thunderstorm Warning | ALY | 62 min |
| Jul 4, 3:32 PM EDT | Heat Advisory | ALY | 29 hr |
| Jul 4, 5:16 PM EDT | Special Weather Statement | ALY | 44 min |
| Jul 4, 5:49 PM EDT | Special Weather Statement | ALY | 41 min |
| Jul 14, 6:55 PM EDT | Severe Thunderstorm Warning | ALY | 65 min |
| Jul 14, 7:54 PM EDT | Special Weather Statement | ALY | 66 min |
| Jul 15, 3:37 PM EDT | Heat Advisory | ALY | 28 hr |
| Jul 16, 3:37 PM EDT | Special Weather Statement | ALY | 53 min |
| Jul 16, 3:52 PM EDT | Severe Thunderstorm Warning | ALY | 53 min |
| Jul 16, 3:54 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Jul 16, 4:20 PM EDT | Flash Flood Warning | ALY | 2 hr |
| Jul 17, 10:35 AM EDT | Mesoscale Discussion | SPC | 115 min |
| Jul 17, 11:17 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 17, 1:15 PM EDT | Areal Flood Advisory | ALY | 2 hr |
| Jul 17, 1:25 PM EDT | Severe Thunderstorm Warning | ALY | 65 min |
| Jul 23, 5:47 AM EDT | Areal Flood Advisory | ALY | 3 hr |
| Jul 23, 9:29 AM EDT | Areal Flood Advisory | ALY | 4 hr |
| Jul 23, 9:37 AM EDT | Flash Flood Watch | ALY | 66 hr |
| Jul 23, 12:01 PM EDT | Areal Flood Advisory | ALY | 70 min |
| Jul 25, 4:08 PM EDT | Areal Flood Advisory | ALY | 108 min |
| Jul 25, 5:53 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Jul 25, 9:39 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Jul 27, 12:59 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Jul 27, 1:17 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 27, 1:51 PM EDT | Special Weather Statement | ALY | 39 min |
| Jul 27, 3:46 PM EDT | Special Weather Statement | ALY | 59 min |
| Jul 27, 4:44 PM EDT | Special Weather Statement | ALY | 31 min |
| Jul 27, 4:49 PM EDT | Severe Thunderstorm Warning | ALY | 56 min |
| Jul 27, 4:50 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Jul 27, 5:12 PM EDT | Areal Flood Advisory | ALY | 2 hr |
| Jul 27, 5:17 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Jul 27, 5:17 PM EDT | Special Weather Statement | ALY | 28 min |
| Jul 27, 5:23 PM EDT | Severe Thunderstorm Warning | ALY | 67 min |
| Jul 27, 6:07 PM EDT | Special Weather Statement | ALY | 23 min |
| Jul 28, 2:52 PM EDT | Severe Thunderstorm Warning | ALY | 23 min |
| Jul 28, 3:03 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Aug 1, 1:41 PM EDT | Areal Flood Advisory | ALY | 2 hr |
| Aug 2, 3:41 PM EDT | Flash Flood Watch | ALY | 44 hr |
| Aug 2, 4:07 PM EDT | Flash Flood Warning | ALY | 75 min |
| Aug 3, 11:45 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 3, 12:17 PM EDT | Areal Flood Advisory | ALY | 4 hr |
| Aug 3, 3:36 PM EDT | Severe Thunderstorm Warning | ALY | 70 min |
| Aug 3, 3:48 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Aug 3, 4:10 PM EDT | Flash Flood Warning | ALY | 93 min |
| Aug 3, 4:21 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Aug 3, 8:46 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Aug 3, 9:44 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Aug 4, 3:17 PM EDT | Heat Advisory | ALY | 30 hr |
| Aug 5, 2:50 PM EDT | Heat Advisory | ALY | 30 hr |
| Aug 5, 2:50 PM EDT | Heat Advisory | ALY | 52 hr |
| Aug 7, 1:03 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Aug 8, 3:52 AM EDT | Heat Advisory | ALY | 14 hr |
| Aug 8, 2:44 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Aug 8, 3:43 PM EDT | Flash Flood Warning | ALY | 2 hr |
| Aug 8, 6:39 PM EDT | Special Weather Statement | ALY | 66 min |
| Aug 8, 7:51 PM EDT | Special Weather Statement | ALY | 54 min |
| Aug 8, 9:27 PM EDT | Areal Flood Advisory | ALY | 2 hr |
| Aug 10, 3:13 PM EDT | Flash Flood Watch | ALY | 36 hr |
| Aug 12, 10:55 PM EDT | Special Weather Statement | ALY | 65 min |
| Aug 13, 2:32 PM EDT | Flash Flood Watch | ALY | 31 hr |
| Aug 13, 7:57 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Aug 17, 2:42 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 17, 3:11 PM EDT | Special Weather Statement | ALY | 34 min |
| Aug 17, 3:37 PM EDT | Special Weather Statement | ALY | 23 min |
| Aug 17, 3:44 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 17, 3:48 PM EDT | Special Weather Statement | ALY | 27 min |
| Aug 17, 6:27 PM EDT | Special Weather Statement | ALY | 33 min |
| Aug 17, 7:23 PM EDT | Special Weather Statement | ALY | 37 min |
| Aug 17, 7:30 PM EDT | Severe Thunderstorm Warning | ALY | 43 min |
| Aug 17, 7:52 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Aug 17, 9:43 PM EDT | Areal Flood Advisory | ALY | 2 hr |
| Aug 17, 10:14 PM EDT | River Flood Warning | ALY | 4 hr |
| Aug 18, 12:11 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 18, 12:56 PM EDT | Areal Flood Advisory | ALY | 2 hr |
| Aug 18, 1:37 PM EDT | Severe Thunderstorm Warning | ALY | 53 min |
| Aug 27, 3:32 AM EDT | Heat Advisory | ALY | 40 hr |
| Aug 27, 3:32 AM EDT | Heat Advisory | ALY | 64 hr |
| Sep 2, 3:18 PM EDT | Heat Advisory | ALY | 28 hr |
| Sep 3, 3:49 PM EDT | Heat Advisory | ALY | 27 hr |
| Sep 4, 3:44 PM EDT | Heat Advisory | ALY | 28 hr |
| Sep 5, 3:54 PM EDT | Heat Advisory | ALY | 26 hr |
| Sep 12, 7:07 AM EDT | Areal Flood Advisory | ALY | 113 min |
| Sep 12, 12:48 PM EDT | Flash Flood Watch | ALY | 14 hr |
| Sep 17, 4:18 AM EDT | Flash Flood Watch | ALY | 33 hr |
| Sep 18, 8:57 AM EDT | Special Weather Statement | ALY | 48 min |
| Sep 18, 9:39 AM EDT | Areal Flood Advisory | ALY | 3 hr |
| Sep 22, 12:18 AM EDT | Special Weather Statement | ALY | 42 min |
| Sep 26, 2:48 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 26, 6:44 PM EDT | Areal Flood Advisory | ALY | 2 hr |
| Oct 2, 2:33 PM EDT | Severe Thunderstorm Warning | ALY | 42 min |
| Oct 2, 4:57 PM EDT | Tornado Watch | SPC | 7 hr |
| Oct 10, 3:26 PM EDT | Flash Flood Watch | ALY | 29 hr |
| Oct 11, 12:18 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Oct 11, 1:17 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Oct 13, 3:38 AM EDT | Frost Advisory | ALY | 29 hr |
| Oct 17, 4:02 AM EDT | Freeze Warning | ALY | 29 hr |
| Oct 18, 4:14 AM EDT | Freeze Warning | ALY | 28 hr |
| Oct 26, 3:21 PM EDT | Winter Weather Advisory | ALY | 31 hr |
| Oct 27, 9:29 AM EDT | River Flood Warning | ALY | 7 hr |
| Nov 2, 3:34 AM EDT | High Wind Watch | ALY | 12 hr |
| Nov 2, 3:07 PM EDT | Wind Advisory | ALY | 28 hr |
| Nov 3, 2:24 AM EDT | Areal Flood Advisory | ALY | 3 hr |
| Nov 8, 3:59 PM EST | Flood Watch | ALY | 29 hr |
| Nov 10, 2:42 AM EST | Wind Advisory | ALY | 19 hr |
| Nov 10, 8:45 AM EST | Special Weather Statement | ALY | 45 min |
| Nov 10, 9:32 AM EST | Special Weather Statement | ALY | 58 min |
| Nov 14, 4:27 PM EST | Winter Storm Watch | ALY | 12 hr |
| Nov 15, 4:00 AM EST | Winter Storm Warning | ALY | 32 hr |
| Nov 15, 4:00 AM EST | Winter Weather Advisory | ALY | 32 hr |
| Nov 15, 4:39 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Nov 15, 10:06 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Nov 16, 3:56 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Nov 16, 6:17 AM EST | River Flood Warning | ALY | 3 hr |
| Nov 19, 3:10 AM EST | Winter Weather Advisory | ALY | 33 hr |
| Nov 21, 3:19 AM EST | Wind Chill Advisory | ALY | 33 hr |
| Nov 21, 2:45 PM EST | Special Weather Statement | ALY | 45 min |
| Nov 24, 2:53 AM EST | Flood Watch | ALY | 24 hr |
| Nov 26, 3:39 AM EST | Dense Fog Advisory | ALY | 6 hr |
| Nov 26, 12:00 PM EST | River Flood Warning | ALY | 16 hr |
| Nov 30, 3:49 PM EST | Winter Weather Advisory | ALY | 44 hr |
| Dec 2, 3:47 PM EST | Dense Fog Advisory | ALY | 16 hr |
| Dec 13, 5:08 PM EST | Special Weather Statement | ALY | 52 min |
| Dec 15, 3:33 PM EST | Winter Weather Advisory | ALY | 36 hr |
| Dec 17, 9:40 PM EST | Special Weather Statement | ALY | 50 min |
| Dec 17, 10:37 PM EST | Special Weather Statement | ALY | 38 min |
| Dec 19, 3:04 PM EST | Flood Watch | ALY | 58 hr |
| Dec 20, 3:42 AM EST | Wind Advisory | ALY | 31 hr |
| Dec 21, 6:19 AM EST | Areal Flood Advisory | ALY | 6 hr |
| Dec 21, 7:57 AM EST | River Flood Warning | ALY | 5 hr |
| Dec 21, 10:55 PM EST | River Flood Warning | ALY | 60 min |
| Dec 22, 1:53 AM EST | Special Weather Statement | ALY | 52 min |
| Dec 22, 10:08 AM EST | River Flood Warning | ALY | 3 hr |
| Dec 26, 3:14 PM EST | Winter Weather Advisory | ALY | 45 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 archive20172019
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.