Alert archive / New York / Dense Fog Advisories
Dense Fog Advisories in New York, 2021
11 dense fog advisories in 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 dense fog advisories reaches back to 2005.
Dense Fog Advisories by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Dense Fog Advisories
- 11
- Busiest month
- March3 dense fog advisories
- Busiest day
- January 15, 20211 dense fog advisories
Over time
By month
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 |
|---|---|---|---|---|
| Jan 15, 5:23 PM EST | Dense Fog Advisory | BGM | Sullivan | 8 hr |
| Mar 18, 6:39 AM EDT | Dense Fog Advisory | BGM | Delaware, Otsego, Sullivan | 3 hr |
| Mar 25, 9:11 PM EDT | Dense Fog Advisory | OKX | Nassau, Queens, Suffolk | 12 hr |
| Mar 28, 4:41 PM EDT | Dense Fog Advisory | OKX | Nassau, Suffolk | 4 hr |
| Apr 11, 2:40 AM EDT | Dense Fog Advisory | OKX | Bronx, Kings, Nassau, New York, Queens, Richmond and 2 more | 7 hr |
| Apr 13, 4:15 AM EDT | Dense Fog Advisory | BUF | Chautauqua, Erie, Niagara | 6 hr |
| Jun 4, 4:12 AM EDT | Dense Fog Advisory | BUF | Erie, Niagara | 4 hr |
| Jun 15, 4:31 AM EDT | Dense Fog Advisory | ALY | Albany, Rensselaer, Saratoga, Schenectady, Warren, Washington | 102 min |
| Jul 26, 6:02 AM EDT | Dense Fog Advisory | ALY | Albany, Columbia, Dutchess, Greene, Rensselaer, Saratoga and 2 more | 3 hr |
| Sep 6, 7:15 AM EDT | Dense Fog Advisory | ALY | Albany, Columbia, Dutchess, Greene, Rensselaer, Saratoga and 2 more | 105 min |
| Dec 30, 9:35 PM EST | Dense Fog Advisory | BGM | Broome, Chemung, Chenango, Cortland, Delaware, Otsego and 3 more | 10 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Sullivan County3
- Nassau County3
- Suffolk County3
- Albany County3
- Rensselaer County3
- Saratoga County3
- Schenectady County3
- Delaware County2
- Otsego County2
- Queens County2
- Erie County2
- Niagara County2
- Columbia County2
- Dutchess County2
- Greene County2
- Ulster County2
- Bronx County1
- Kings County1
- New York County1
- Richmond County1
- Westchester County1
- Chautauqua County1
- Warren County1
- Washington County1
- Broome County1
- Chemung County1
- Chenango County1
- Cortland County1
- Tioga County1
- Tompkins County1
The busiest days
Days with the most alerts issued, by UTC date.
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.