Alert archive / New York / Frost Advisories / 2021
Frost Advisories in New York, May 2021
18 frost advisories in May 2021. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of frost advisories reaches back to 2005.
Frost Advisories by county
Each county as a circle sized by its count in May 2021. Tap one for its archive.
- Frost Advisories
- 18
- Busiest day
- May 12, 20214 frost advisories
Over time
By day
Days in UTC, the clock the archive keeps.
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 | Counties | Lasted |
|---|---|---|---|---|
| May 6, 3:30 AM EDT | Frost Advisory | ALY | Saratoga, Warren, Washington | 29 hr |
| May 6, 3:08 PM EDT | Frost Advisory | BTV | Clinton, Essex | 16 hr |
| May 8, 4:11 AM EDT | Frost Advisory | BUF | Chautauqua, Erie, Genesee, Livingston, Niagara, Orleans and 1 more | 27 hr |
| May 8, 2:53 PM EDT | Frost Advisory | BGM | Cayuga, Onondaga | 17 hr |
| May 10, 1:06 PM EDT | Frost Advisory | BUF | Allegany, Cattaraugus, Cayuga, Chautauqua, Erie, Genesee and 10 more | 17 hr |
| May 10, 2:31 PM EDT | Frost Advisory | BGM | Broome, Cayuga, Chemung, Chenango, Cortland, Delaware and 11 more | 17 hr |
| May 10, 3:37 PM EDT | Frost Advisory | ALY | Greene, Herkimer, Schoharie, Ulster | 16 hr |
| May 12, 3:03 AM EDT | Frost Advisory | BGM | Broome, Chemung, Chenango, Cortland, Delaware, Madison and 7 more | 29 hr |
| May 12, 3:14 AM EDT | Frost Advisory | BTV | Franklin, St. Lawrence | 28 hr |
| May 12, 3:27 AM EDT | Frost Advisory | ALY | Fulton, Greene, Herkimer, Montgomery, Rensselaer, Saratoga and 4 more | 29 hr |
| May 12, 3:30 AM EDT | Frost Advisory | BUF | Allegany, Cattaraugus, Chautauqua, Erie, Jefferson, Lewis and 2 more | 29 hr |
| May 13, 12:57 PM EDT | Frost Advisory | BUF | Allegany, Cattaraugus, Chautauqua | 19 hr |
| May 15, 2:49 PM EDT | Frost Advisory | BUF | Lewis | 17 hr |
| May 15, 2:52 PM EDT | Frost Advisory | BGM | Oneida | 17 hr |
| May 27, 3:27 AM EDT | Frost Advisory | ALY | Hamilton, Herkimer, Warren | 27 hr |
| May 27, 3:31 AM EDT | Frost Advisory | BUF | Jefferson, Lewis | 24 hr |
| May 27, 3:51 AM EDT | Frost Advisory | BTV | Clinton, Essex, Franklin, St. Lawrence | 27 hr |
| May 30, 5:15 PM EDT | Frost Advisory | BUF | Allegany, Cattaraugus, Chautauqua | 14 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Chautauqua County5
- Allegany County4
- Cattaraugus County4
- Lewis County4
- Warren County3
- Erie County3
- Wyoming County3
- Cayuga County3
- Jefferson County3
- Oneida County3
- Herkimer County3
- Saratoga County2
- Washington County2
- Clinton County2
- Essex County2
- Genesee County2
- Livingston County2
- Niagara County2
- Orleans County2
- Onondaga County2
- Oswego County2
- Broome County2
- Chemung County2
- Chenango County2
- Cortland County2
- Delaware County2
- Madison County2
- Otsego County2
- Schuyler County2
- Steuben County2
- Sullivan County2
- Tioga County2
- Tompkins County2
- Greene County2
- Schoharie County2
- Ulster County2
- Franklin County2
- St. Lawrence County2
- Monroe County1
- Ontario County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.