Alert archive / New York / Niagara County
Weather alerts in Niagara County, New York, 2019
142 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Niagara County and its neighbors
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Alerts
- 142
- Warnings
- 46
- Watches
- 26
- Advisories
- 35
- Busiest month
- January28 alerts
- Busiest day
- January 29, 20196 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Niagara County, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 16 | 14 | 13% | 16 | 88% | 20 min |
| Flash flood warnings | 3 | 1 | 67% | 1 | 100% | 18 min |
Each office's whole area, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Buffalo, NY: tornado warnings | 2 | 0 | 100% | 0 | ||
| NWS Buffalo, NY: severe thunderstorm warnings | 106 | 65 | 39% | 173 | 79% | 20 min |
| NWS Buffalo, NY: flash flood warnings | 17 | 10 | 41% | 32 | 91% | 53 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 6, 2:41 PM EST | Winter Weather Advisory | BUF | 43 hr |
| Jan 8, 2:31 PM EST | Winter Weather Advisory | BUF | 46 hr |
| Jan 15, 2:12 PM EST | Winter Weather Advisory | BUF | 20 hr |
| Jan 16, 2:13 PM EST | Winter Storm Watch | BUF | 37 hr |
| Jan 18, 3:23 AM EST | Winter Storm Warning | BUF | 58 hr |
| Jan 20, 3:28 AM EST | Wind Chill Advisory | BUF | 51 hr |
| Jan 20, 1:16 PM EST | Winter Weather Advisory | BUF | 25 hr |
| Jan 22, 1:10 PM EST | Winter Weather Advisory | BUF | 29 hr |
| Jan 25, 10:19 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 26, 6:18 AM EST | Flash Flood Watch | BUF | 46 hr |
| Jan 27, 5:59 AM EST | Special Weather Statement | BUF | 61 min |
| Jan 27, 6:33 AM EST | Snow Squall Warning | BUF | 57 min |
| Jan 27, 8:40 AM EST | Flash Flood Warning | BUF | 7 hr |
| Jan 28, 2:24 PM EST | Wind Chill Watch | BUF | 23 hr |
| Jan 28, 2:24 PM EST | Winter Storm Warning | BUF | 4 days |
| Jan 29, 6:31 AM EST | Winter Weather Advisory | BUF | 47 hr |
| Jan 29, 6:39 AM EST | Flash Flood Watch | BUF | 7 hr |
| Jan 29, 7:31 AM EST | Areal Flood Warning | BUF | 4 hr |
| Jan 29, 10:55 AM EST | Special Weather Statement | BUF | 2 hr |
| Jan 29, 1:00 PM EST | Special Weather Statement | BUF | 2 hr |
| Jan 29, 1:42 PM EST | Wind Chill Warning | BUF | 47 hr |
| Jan 29, 7:05 PM EST | Special Weather Statement | BUF | 85 min |
| Jan 29, 10:12 PM EST | Special Weather Statement | BUF | 63 min |
| Jan 29, 10:37 PM EST | Areal Flood Warning | BUF | 8 hr |
| Jan 30, 6:52 AM EST | Flash Flood Watch | BUF | 11 hr |
| Jan 30, 12:36 PM EST | Areal Flood Warning | BUF | 10 hr |
| Jan 31, 5:21 AM EST | Flash Flood Watch | BUF | 5 hr |
| Jan 31, 12:48 PM EST | Wind Chill Advisory | BUF | 22 hr |
| Feb 1, 12:31 PM EST | Flood Watch | BUF | 5 days |
| Feb 2, 11:44 PM EST | Winter Weather Advisory | BUF | 10 hr |
| Feb 5, 1:44 PM EST | Winter Weather Advisory | BUF | 56 hr |
| Feb 6, 12:23 PM EST | Flood Watch | BUF | 39 hr |
| Feb 6, 2:49 PM EST | High Wind Watch | BUF | 19 hr |
| Feb 7, 10:11 AM EST | High Wind Warning | BUF | 31 hr |
| Feb 7, 11:43 AM EST | River Flood Warning | BUF | 40 hr |
| Feb 11, 3:26 AM EST | Winter Weather Advisory | BUF | 48 hr |
| Feb 12, 3:38 AM EST | Wind Advisory | BUF | 41 hr |
| Feb 13, 3:43 AM EST | Winter Weather Advisory | BUF | 24 hr |
| Feb 13, 3:51 PM EST | Snow Squall Warning | BUF | 54 min |
| Feb 13, 4:39 PM EST | Snow Squall Warning | BUF | 66 min |
| Feb 14, 12:46 PM EST | Wind Advisory | BUF | 30 hr |
| Feb 17, 3:43 AM EST | Winter Weather Advisory | BUF | 32 hr |
| Feb 19, 2:34 PM EST | Winter Weather Advisory | BUF | 43 hr |
| Feb 21, 12:00 PM EST | High Wind Watch | BUF | 15 hr |
| Feb 21, 12:31 PM EST | Lakeshore Flood Watch | BUF | 23 hr |
| Feb 22, 3:19 AM EST | High Wind Warning | BUF | 3 days |
| Feb 22, 11:19 AM EST | Lakeshore Flood Warning | BUF | 3 days |
| Feb 24, 8:10 AM EST | Special Weather Statement | BUF | 65 min |
| Feb 24, 4:44 PM EST | Flash Flood Watch | BUF | 14 hr |
| Feb 24, 6:06 PM EST | Flash Flood Warning | BUF | 13 hr |
| Feb 25, 6:44 AM EST | Areal Flood Warning | BUF | 6 hr |
| Feb 25, 9:49 AM EST | Wind Advisory | BUF | 5 hr |
| Feb 26, 10:55 AM EST | Winter Weather Advisory | BUF | 38 hr |
| Mar 3, 1:33 PM EST | Winter Weather Advisory | BUF | 3 days |
| Mar 7, 5:41 AM EST | Special Weather Statement | BUF | 79 min |
| Mar 8, 11:58 AM EST | High Wind Warning | BUF | 55 hr |
| Mar 9, 1:57 PM EST | Wind Advisory | BUF | 32 hr |
| Mar 14, 3:55 AM EDT | Wind Advisory | BUF | 33 hr |
| Apr 3, 3:55 AM EDT | Wind Advisory | BUF | 18 hr |
| Apr 19, 5:56 AM EDT | Dense Fog Advisory | BUF | 4 hr |
| Apr 21, 6:12 AM EDT | Dense Fog Advisory | BUF | 4 hr |
| Apr 27, 5:45 AM EDT | Flash Flood Watch | BUF | 29 hr |
| May 2, 4:00 AM EDT | Dense Fog Advisory | BUF | 6 hr |
| May 20, 4:23 AM EDT | Beach Hazards Statement | BUF | 24 hr |
| May 23, 9:39 AM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| May 23, 9:54 AM EDT | Severe Thunderstorm Warning | BUF | 66 min |
| May 25, 6:15 PM EDT | Special Weather Statement | BUF | 45 min |
| May 25, 6:25 PM EDT | Severe Thunderstorm Warning | BUF | 50 min |
| May 25, 6:45 PM EDT | Severe Thunderstorm Warning | BUF | 32 min |
| May 27, 2:53 PM EDT | Lakeshore Flood Watch | BUF | 12 hr |
| May 28, 2:54 AM EDT | Lakeshore Flood Warning | BUF | 14 hr |
| May 31, 12:11 PM EDT | Lakeshore Flood Watch | BUF | 40 hr |
| Jun 2, 3:49 AM EDT | Lakeshore Flood Warning | BUF | 48 hr |
| Jun 7, 1:11 AM EDT | Dense Fog Advisory | BUF | 8 hr |
| Jun 8, 12:55 PM EDT | Lakeshore Flood Watch | BUF | 39 hr |
| Jun 10, 4:18 AM EDT | Lakeshore Flood Warning | BUF | 40 hr |
| Jun 13, 3:42 AM EDT | Lakeshore Flood Watch | BUF | 11 hr |
| Jun 13, 2:33 PM EDT | Lakeshore Flood Warning | BUF | 31 hr |
| Jul 5, 4:21 AM EDT | Heat Advisory | BUF | 14 hr |
| Jul 5, 11:05 AM EDT | Lakeshore Flood Watch | BUF | 22 hr |
| Jul 6, 9:08 AM EDT | Lakeshore Flood Warning | BUF | 29 hr |
| Jul 17, 10:37 AM EDT | Excessive Heat Watch | BUF | 27 hr |
| Jul 18, 1:54 PM EDT | Excessive Heat Warning | BUF | 52 hr |
| Jul 19, 1:05 PM EDT | Special Weather Statement | BUF | 85 min |
| Jul 19, 1:25 PM EDT | Severe Thunderstorm Warning | BUF | 65 min |
| Jul 19, 1:57 PM EDT | Severe Thunderstorm Warning | BUF | 33 min |
| Jul 19, 2:28 PM EDT | Severe Thunderstorm Warning | BUF | 47 min |
| Jul 19, 2:29 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 20, 10:21 PM EDT | Severe Thunderstorm Warning | BUF | 54 min |
| Jul 28, 3:19 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jul 28, 4:26 PM EDT | Special Weather Statement | BUF | 34 min |
| Jul 28, 4:59 PM EDT | Severe Thunderstorm Warning | BUF | 61 min |
| Jul 28, 5:42 PM EDT | Flash Flood Warning | BUF | 2 hr |
| Jul 29, 10:59 PM EDT | Special Weather Statement | BUF | 46 min |
| Aug 6, 1:21 PM EDT | Special Weather Statement | BUF | 54 min |
| Aug 6, 5:44 PM EDT | Special Weather Statement | BUF | 61 min |
| Aug 6, 5:57 PM EDT | Severe Thunderstorm Warning | BUF | 63 min |
| Aug 6, 6:53 PM EDT | Special Weather Statement | BUF | 67 min |
| Aug 8, 10:35 AM EDT | Severe Thunderstorm Warning | BUF | 40 min |
| Aug 8, 11:15 AM EDT | Severe Thunderstorm Warning | BUF | 60 min |
| Aug 16, 5:13 PM EDT | Severe Thunderstorm Warning | BUF | 62 min |
| Aug 16, 5:15 PM EDT | Severe Thunderstorm Warning | BUF | 60 min |
| Aug 16, 5:58 PM EDT | Severe Thunderstorm Warning | BUF | 47 min |
| Aug 17, 4:19 PM EDT | Severe Thunderstorm Warning | BUF | 41 min |
| Aug 19, 1:21 AM EDT | Special Weather Statement | BUF | 69 min |
| Aug 19, 9:16 AM EDT | Lakeshore Flood Watch | BUF | 44 hr |
| Aug 21, 7:04 AM EDT | Areal Flood Warning | BUF | 3 hr |
| Aug 29, 8:54 PM EDT | Beach Hazards Statement | BUF | 23 hr |
| Sep 3, 10:32 PM EDT | Beach Hazards Statement | BUF | 21 hr |
| Sep 11, 12:53 AM EDT | Special Weather Statement | BUF | 37 min |
| Sep 11, 7:38 PM EDT | Flash Flood Watch | BUF | 7 hr |
| Sep 11, 10:26 PM EDT | Beach Hazards Statement | BUF | 21 hr |
| Sep 23, 5:48 PM EDT | Special Weather Statement | BUF | 42 min |
| Sep 23, 7:14 PM EDT | Beach Hazards Statement | BUF | 18 hr |
| Sep 25, 7:35 PM EDT | Beach Hazards Statement | BUF | 24 hr |
| Sep 26, 6:46 AM EDT | Special Weather Statement | BUF | 59 min |
| Sep 29, 2:30 AM EDT | Beach Hazards Statement | BUF | 19 hr |
| Oct 1, 4:30 PM EDT | Special Weather Statement | BUF | 60 min |
| Oct 1, 4:45 PM EDT | Severe Thunderstorm Warning | BUF | 60 min |
| Oct 18, 3:52 AM EDT | Frost Advisory | BUF | 29 hr |
| Oct 26, 4:18 AM EDT | Wind Advisory | BUF | 37 hr |
| Oct 28, 1:52 PM EDT | High Wind Watch | BUF | 61 hr |
| Oct 31, 3:16 AM EDT | High Wind Warning | BUF | 34 hr |
| Oct 31, 3:37 AM EDT | Lakeshore Flood Warning | BUF | 40 hr |
| Nov 10, 11:57 AM EST | Winter Storm Watch | BUF | 8 hr |
| Nov 10, 7:56 PM EST | Winter Storm Warning | BUF | 37 hr |
| Nov 14, 6:38 PM EST | Winter Weather Advisory | BUF | 10 hr |
| Nov 20, 9:34 PM EST | Wind Advisory | BUF | 41 hr |
| Nov 25, 3:31 AM EST | High Wind Watch | BUF | 35 hr |
| Nov 26, 2:49 PM EST | High Wind Warning | BUF | 34 hr |
| Nov 29, 2:46 PM EST | Winter Weather Advisory | BUF | 3 days |
| Dec 10, 3:39 AM EST | Winter Weather Advisory | BUF | 48 hr |
| Dec 11, 8:08 AM EST | Special Weather Statement | BUF | 82 min |
| Dec 11, 9:27 AM EST | Special Weather Statement | BUF | 108 min |
| Dec 11, 11:18 AM EST | Special Weather Statement | BUF | 87 min |
| Dec 13, 2:47 PM EST | Winter Weather Advisory | BUF | 46 hr |
| Dec 18, 10:05 AM EST | Special Weather Statement | BUF | 85 min |
| Dec 18, 11:38 AM EST | Snow Squall Warning | BUF | 67 min |
| Dec 18, 2:36 PM EST | Special Weather Statement | BUF | 84 min |
| Dec 25, 6:03 PM EST | Special Weather Statement | BUF | 72 min |
| Dec 25, 7:24 PM EST | Dense Fog Advisory | BUF | 13 hr |
| Dec 30, 8:20 AM EST | Special Weather Statement | BUF | 85 min |
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 archive20182020
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.