Alert archive / New York

Mesoscale Discussions in New York

2,717 mesoscale discussions since 1986. 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 mesoscale discussions reaches back to 2003.

Mesoscale Discussions by county

Each county as a circle sized by its count since 1986. Tap one for its archive.

Mesoscale Discussions
2,717
Busiest year
2007147 mesoscale discussions
Average year
113over 24 years on file

Over time

By year

Mesoscale discussions are counted from 2003.

By month of the year

By county

Every county with at least one alert. A county page lists each alert that covered it.

22 more counties

The latest mesoscale discussions

The most recent on file, newest first.

IssuedProductOfficeCountiesLasted
Sep 13, 3:59 PM EDTMesoscale DiscussionSPCAllegany, Cattaraugus, Cayuga, Chemung, Cortland, Genesee and 13 more2 hr
Sep 9, 4:42 PM EDTMesoscale DiscussionSPCAllegany, Cattaraugus93 min
Sep 9, 2:06 PM EDTMesoscale DiscussionSPCAllegany, Cattaraugus84 min
Sep 2, 7:51 PM EDTMesoscale DiscussionSPCAllegany, Cattaraugus, Cayuga, Chautauqua, Chemung, Genesee and 10 more84 min
Sep 2, 5:36 PM EDTMesoscale DiscussionSPCErie, Genesee, Livingston, Monroe, Niagara, Orleans and 1 more84 min
Sep 2, 2:50 PM EDTMesoscale DiscussionSPCAllegany, Cattaraugus, Cayuga, Chautauqua, Chemung, Erie and 14 more115 min
Sep 2, 8:51 AM EDTMesoscale DiscussionSPCAllegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston and 9 more84 min
Sep 2, 6:04 AM EDTMesoscale DiscussionSPCAllegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston and 6 more116 min
Sep 1, 3:13 PM EDTMesoscale DiscussionSPCBronx, Kings, New York, Orange, Putnam, Queens and 3 more2 hr
Aug 27, 7:06 PM EDTMesoscale DiscussionSPCAlbany, Columbia, Delaware, Dutchess, Greene, Rensselaer and 6 more84 min
Aug 27, 4:22 PM EDTMesoscale DiscussionSPCAlbany, Columbia, Delaware, Fulton, Greene, Montgomery and 7 more113 min
Aug 27, 2:29 PM EDTMesoscale DiscussionSPCRichmond2 hr

Nearby

Alerts in force nowTornadoes on recordThe radar archive

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.