Alert archive / New York / Cattaraugus County
Weather alerts in Cattaraugus County, New York, 2018
127 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Cattaraugus County and its neighbors
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Alerts
- 127
- Warnings
- 38
- Watches
- 15
- Advisories
- 30
- Busiest month
- January17 alerts
- Busiest day
- May 4, 20187 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 3 tornado warnings covering Cattaraugus County in 2018 had a tornado report inside them.
Cattaraugus County, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 15 | 10 | 33% | 20 | 90% | 20 min |
| Flash flood warnings | 5 | 3 | 40% | 3 | 100% | 23 min |
Each office's whole area, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Buffalo, NY: tornado warnings | 4 | 0 | 100% | 1 | 0% | |
| NWS Buffalo, NY: severe thunderstorm warnings | 71 | 45 | 37% | 135 | 80% | 23 min |
| NWS Buffalo, NY: flash flood warnings | 17 | 9 | 47% | 39 | 87% | 58 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, 6:36 PM EST | Wind Chill Advisory | BUF | 15 hr |
| Jan 3, 3:42 AM EST | Wind Chill Watch | BUF | 24 hr |
| Jan 4, 3:38 AM EST | Wind Chill Warning | BUF | 3 days |
| Jan 4, 3:38 AM EST | Winter Weather Advisory | BUF | 63 hr |
| Jan 9, 8:34 PM EST | Flood Watch | BUF | 67 hr |
| Jan 10, 3:03 PM EST | Winter Storm Watch | BUF | 23 hr |
| Jan 11, 2:31 PM EST | Winter Storm Warning | BUF | 45 hr |
| Jan 12, 4:05 AM EST | River Flood Warning | BUF | 21 hr |
| Jan 12, 7:49 AM EST | Areal Flood Warning | BUF | 12 hr |
| Jan 12, 10:43 AM EST | River Flood Warning | BUF | 3 days |
| Jan 12, 3:07 PM EST | River Flood Warning | BUF | 30 hr |
| Jan 12, 7:04 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 13, 3:47 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 13, 2:38 PM EST | Wind Chill Advisory | BUF | 19 hr |
| Jan 21, 3:46 AM EST | Flood Watch | BUF | 62 hr |
| Jan 22, 2:35 AM EST | Dense Fog Advisory | BUF | 12 hr |
| Jan 29, 3:30 AM EST | Winter Weather Advisory | BUF | 39 hr |
| Feb 5, 2:52 PM EST | Winter Storm Watch | BUF | 24 hr |
| Feb 6, 2:55 PM EST | Winter Storm Warning | BUF | 27 hr |
| Feb 7, 5:28 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 9, 3:35 AM EST | Winter Weather Advisory | BUF | 66 hr |
| Feb 14, 2:52 PM EST | Flood Watch | BUF | 35 hr |
| Feb 21, 2:37 PM EST | Winter Weather Advisory | BUF | 24 hr |
| Feb 23, 9:34 PM EST | Dense Fog Advisory | BUF | 6 hr |
| Feb 24, 2:58 PM EST | Wind Advisory | BUF | 24 hr |
| Feb 28, 3:53 AM EST | Winter Storm Watch | BUF | 23 hr |
| Mar 1, 3:12 AM EST | Winter Storm Warning | BUF | 42 hr |
| Mar 1, 8:43 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Mar 7, 3:39 AM EST | Winter Weather Advisory | BUF | 3 days |
| Mar 9, 9:16 AM EST | Winter Storm Warning | BUF | 18 hr |
| Mar 12, 1:52 PM EDT | Winter Weather Advisory | BUF | 60 hr |
| Mar 13, 4:32 AM EDT | Winter Storm Warning | BUF | 50 hr |
| Mar 13, 4:06 PM EDT | Special Weather Statement | BUF | 54 min |
| Mar 13, 7:45 PM EDT | Special Weather Statement | BUF | 45 min |
| Mar 16, 5:18 AM EDT | Special Weather Statement | BUF | 57 min |
| Mar 30, 1:47 PM EDT | Wind Advisory | BUF | 39 hr |
| Apr 2, 4:36 AM EDT | High Wind Watch | BUF | 34 hr |
| Apr 3, 4:58 AM EDT | High Wind Warning | BUF | 42 hr |
| Apr 4, 12:33 AM EDT | Special Weather Statement | BUF | 57 min |
| Apr 4, 4:31 AM EDT | Special Weather Statement | BUF | 59 min |
| Apr 4, 5:26 AM EDT | Special Weather Statement | BUF | 64 min |
| Apr 4, 7:47 PM EDT | Special Weather Statement | BUF | 88 min |
| Apr 13, 4:30 AM EDT | Winter Weather Advisory | BUF | 57 hr |
| Apr 13, 3:04 PM EDT | Flood Watch | BUF | 71 hr |
| Apr 16, 4:42 PM EDT | Special Weather Statement | BUF | 93 min |
| Apr 16, 6:07 PM EDT | Special Weather Statement | BUF | 113 min |
| Apr 17, 12:03 PM EDT | Special Weather Statement | BUF | 117 min |
| Apr 17, 12:49 PM EDT | Winter Weather Advisory | BUF | 23 hr |
| May 4, 3:58 AM EDT | Wind Advisory | BUF | 19 hr |
| May 4, 1:04 PM EDT | Mesoscale Discussion | SPC | 86 min |
| May 4, 2:18 PM EDT | Special Weather Statement | BUF | 57 min |
| May 4, 2:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| May 4, 2:44 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 4, 3:35 PM EDT | Severe Thunderstorm Warning | BUF | 55 min |
| May 4, 4:20 PM EDT | Mesoscale Discussion | SPC | 55 min |
| May 15, 6:17 AM EDT | Special Weather Statement | BUF | 28 min |
| May 15, 6:25 AM EDT | Special Weather Statement | BUF | 50 min |
| May 15, 7:28 AM EDT | Special Weather Statement | BUF | 32 min |
| May 22, 9:01 PM EDT | Dense Fog Advisory | BUF | 5 hr |
| May 31, 6:02 PM EDT | Special Weather Statement | BUF | 58 min |
| Jun 1, 2:07 PM EDT | Special Weather Statement | BUF | 68 min |
| Jun 1, 3:35 PM EDT | Severe Thunderstorm Warning | BUF | 25 min |
| Jun 1, 3:58 PM EDT | Flash Flood Warning | BUF | 3 hr |
| Jun 1, 6:39 PM EDT | Areal Flood Warning | BUF | 6 hr |
| Jun 13, 3:30 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Jun 13, 4:06 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 13, 5:11 PM EDT | Special Weather Statement | BUF | 64 min |
| Jun 13, 5:50 PM EDT | Severe Thunderstorm Warning | BUF | 70 min |
| Jun 13, 7:12 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jun 18, 7:27 PM EDT | Severe Thunderstorm Warning | BUF | 63 min |
| Jun 23, 4:18 PM EDT | Special Weather Statement | BUF | 27 min |
| Jun 23, 4:58 PM EDT | Special Weather Statement | BUF | 32 min |
| Jun 29, 3:33 AM EDT | Heat Advisory | BUF | 4 days |
| Jul 2, 1:35 PM EDT | Flash Flood Warning | BUF | 2 hr |
| Jul 2, 2:33 PM EDT | Special Weather Statement | BUF | 27 min |
| Jul 2, 2:55 PM EDT | Flash Flood Warning | BUF | 117 min |
| Jul 4, 9:12 AM EDT | Flash Flood Warning | BUF | 3 hr |
| Jul 4, 5:38 PM EDT | Severe Thunderstorm Warning | BUF | 47 min |
| Jul 16, 7:22 PM EDT | Severe Thunderstorm Warning | BUF | 38 min |
| Jul 16, 8:47 PM EDT | Severe Thunderstorm Warning | BUF | 58 min |
| Jul 16, 9:33 PM EDT | Special Weather Statement | BUF | 57 min |
| Jul 16, 10:35 PM EDT | Severe Thunderstorm Warning | BUF | 28 min |
| Jul 25, 2:07 AM EDT | Special Weather Statement | BUF | 38 min |
| Jul 29, 5:00 PM EDT | Special Weather Statement | BUF | 60 min |
| Aug 6, 3:12 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 8, 4:36 AM EDT | Special Weather Statement | BUF | 39 min |
| Aug 21, 4:59 PM EDT | Special Weather Statement | BUF | 31 min |
| Aug 21, 6:38 PM EDT | Special Weather Statement | BUF | 37 min |
| Aug 21, 6:57 PM EDT | Severe Thunderstorm Warning | BUF | 63 min |
| Aug 21, 7:09 PM EDT | Tornado Warning | BUF | 36 min |
| Aug 21, 7:59 PM EDT | Severe Thunderstorm Warning | BUF | 61 min |
| Aug 29, 4:45 PM EDT | Special Weather Statement | BUF | 45 min |
| Sep 3, 4:24 PM EDT | Severe Thunderstorm Warning | BUF | 27 min |
| Sep 8, 3:27 PM EDT | Flood Watch | BUF | 36 hr |
| Sep 21, 4:50 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 21, 5:15 PM EDT | Severe Thunderstorm Warning | BUF | 45 min |
| Sep 21, 5:22 PM EDT | Severe Thunderstorm Warning | BUF | 38 min |
| Sep 21, 5:54 PM EDT | Severe Thunderstorm Warning | BUF | 66 min |
| Sep 21, 6:48 PM EDT | Tornado Warning | BUF | 42 min |
| Sep 21, 7:04 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Sep 26, 7:30 AM EDT | Tornado Warning | BUF | 17 min |
| Oct 2, 5:16 AM EDT | Special Weather Statement | BUF | 89 min |
| Oct 2, 4:05 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Oct 6, 3:57 PM EDT | Severe Thunderstorm Warning | BUF | 63 min |
| Oct 6, 8:41 PM EDT | Special Weather Statement | BUF | 49 min |
| Oct 6, 10:29 PM EDT | Flash Flood Warning | BUF | 4 hr |
| Oct 8, 3:51 AM EDT | Dense Fog Advisory | BUF | 6 hr |
| Oct 13, 4:03 AM EDT | Frost Advisory | BUF | 29 hr |
| Oct 31, 1:32 PM EDT | Flood Watch | BUF | 38 hr |
| Nov 6, 1:46 PM EST | Special Weather Statement | BUF | 29 min |
| Nov 9, 3:53 AM EST | Winter Weather Advisory | BUF | 53 hr |
| Nov 10, 3:19 AM EST | Winter Storm Warning | BUF | 15 hr |
| Nov 10, 7:35 AM EST | Special Weather Statement | BUF | 85 min |
| Nov 12, 3:24 AM EST | Winter Weather Advisory | BUF | 30 hr |
| Nov 14, 2:19 PM EST | Winter Weather Advisory | BUF | 43 hr |
| Nov 15, 3:39 AM EST | Winter Storm Warning | BUF | 30 hr |
| Nov 16, 12:50 PM EST | Winter Weather Advisory | BUF | 21 hr |
| Nov 20, 3:41 AM EST | Winter Weather Advisory | BUF | 39 hr |
| Nov 23, 2:13 PM EST | Winter Weather Advisory | BUF | 24 hr |
| Nov 24, 10:08 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Nov 25, 2:07 PM EST | Winter Storm Watch | BUF | 28 hr |
| Nov 26, 2:00 PM EST | Winter Storm Warning | BUF | 52 hr |
| Nov 30, 6:17 PM EST | Dense Fog Advisory | BUF | 16 hr |
| Dec 5, 3:53 AM EST | Winter Weather Advisory | BUF | 45 hr |
| Dec 15, 12:32 PM EST | Winter Weather Advisory | BUF | 21 hr |
| Dec 23, 2:15 PM EST | Winter Weather Advisory | BUF | 37 hr |
| Dec 29, 8:52 PM EST | Winter Weather Advisory | BUF | 7 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 | 15 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 3 |
| Mesoscale Discussion | 13 |
| Special Weather Statement | 31 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 5 |
| River Flood Warning | 3 |
| Flood Watch | 6 |
| Winter | |
| Winter Storm Warning | 8 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 18 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Wind Chill Warning | 1 |
| Wind Chill Watch | 1 |
| Frost Advisory | 1 |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Wind Advisory | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
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.