Weather alerts in New York, 2021
4,199 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 4,199
- Warnings
- 1,237
- Watches
- 160
- Advisories
- 928
- Busiest month
- July1,111 alerts
- Busiest day
- June 21, 2021139 alerts
Over time
By month
The alerts
4,199 alerts are too many to list on one page. Narrow it to a product above, to a month in the chart, or to a county.
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Nassau County256
- Delaware County235
- Columbia County231
- Queens County231
- Rensselaer County225
- Westchester County225
- Ulster County223
- Dutchess County220
- Oneida County219
- Broome County217
- Suffolk County217
- Orange County210
- Cayuga County206
- Greene County205
- Chenango County200
- Sullivan County199
- Kings County198
- Tioga County197
- Steuben County194
- Richmond County190
- Schoharie County189
- Rockland County189
- Otsego County187
- Tompkins County185
- Bronx County183
- Erie County181
- Onondaga County180
- New York County179
- Chautauqua County176
- Albany County175
- Cortland County174
- Saratoga County170
- Madison County164
- Montgomery County163
- Fulton County160
- Chemung County160
- Herkimer County157
- Schenectady County155
- Washington County154
- Putnam County149
22 more counties
- Schuyler County147
- Cattaraugus County146
- Oswego County141
- Warren County137
- Hamilton County135
- Seneca County128
- Allegany County126
- Monroe County125
- Lewis County125
- Jefferson County117
- Livingston County117
- Yates County116
- Wayne County112
- Genesee County109
- Niagara County107
- Essex County107
- Wyoming County107
- St. Lawrence County103
- Ontario County103
- Franklin County93
- Orleans County90
- Clinton County81
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. Rebuilt daily.