Alert archive / New York / Mesoscale Discussions / 2021

Mesoscale Discussions in New York, July 2021

37 mesoscale discussions in July 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 mesoscale discussions reaches back to 2003.

Mesoscale Discussions by county

Each county as a circle sized by its count in July 2021. Tap one for its archive.

Mesoscale Discussions
37
Busiest day
July 6, 20214 mesoscale discussions

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.

IssuedProductOfficeCountiesLasted
Jul 2, 3:13 PM EDTMesoscale DiscussionSPCAllegany, Broome, Cattaraugus, Cayuga, Chemung, Chenango and 20 more92 min
Jul 5, 9:14 PM EDTMesoscale DiscussionSPCCayuga, Jefferson, Lewis, Monroe, Oneida, Onondaga and 5 more2 hr
Jul 6, 12:33 PM EDTMesoscale DiscussionSPCAlbany, Bronx, Broome, Chemung, Chenango, Columbia and 26 more2 hr
Jul 6, 4:23 PM EDTMesoscale DiscussionSPCAlbany, Bronx, Columbia, Delaware, Dutchess, Greene and 9 more97 min
Jul 6, 5:25 PM EDTMesoscale DiscussionSPCBronx, Kings, Nassau, New York, Orange, Queens and 3 more95 min
Jul 7, 1:50 PM EDTMesoscale DiscussionSPCAlbany, Bronx, Columbia, Delaware, Dutchess, Greene and 18 more115 min
Jul 7, 4:48 PM EDTMesoscale DiscussionSPCAlbany, Bronx, Broome, Chemung, Chenango, Columbia and 21 more87 min
Jul 7, 7:11 PM EDTMesoscale DiscussionSPCAlbany, Allegany, Broome, Cattaraugus, Chemung, Chenango and 14 more2 hr
Jul 8, 12:00 AM EDTMesoscale DiscussionSPCAlbany, Columbia, Dutchess, Greene, Orange, Putnam and 6 more60 min
Jul 8, 1:31 PM EDTMesoscale DiscussionSPCCattaraugus, Chautauqua, Erie, Wyoming2 hr
Jul 8, 1:44 PM EDTMesoscale DiscussionSPCBronx, Kings, Nassau, New York, Orange, Putnam and 4 more3 hr
Jul 8, 4:36 PM EDTMesoscale DiscussionSPCBronx, Kings, Nassau, New York, Orange, Putnam and 5 more114 min
Jul 8, 10:01 PM EDTMesoscale DiscussionSPCBronx, Kings, Nassau, New York, Queens, Richmond59 min
Jul 9, 3:28 AM EDTMesoscale DiscussionSPCRichmond2 hr
Jul 9, 4:35 PM EDTMesoscale DiscussionSPCDelaware, Orange, Sullivan115 min
Jul 12, 1:32 PM EDTMesoscale DiscussionSPCBronx, Kings, Nassau, New York, Queens, Richmond88 min
Jul 12, 7:25 PM EDTMesoscale DiscussionSPCRichmond, Rockland2 hr
Jul 13, 12:48 PM EDTMesoscale DiscussionSPCAllegany, Broome, Cattaraugus, Cayuga, Chautauqua, Chemung and 23 more87 min
Jul 13, 4:07 PM EDTMesoscale DiscussionSPCAllegany, Broome, Cattaraugus, Cayuga, Chautauqua, Chemung and 25 more113 min
Jul 13, 6:44 PM EDTMesoscale DiscussionSPCAllegany, Broome, Cattaraugus, Cayuga, Chemung, Chenango and 20 more91 min
Jul 13, 9:12 PM EDTMesoscale DiscussionSPCBroome, Cayuga, Chemung, Chenango, Cortland, Madison and 7 more93 min
Jul 16, 5:51 PM EDTMesoscale DiscussionSPCBronx, New York, Orange, Putnam, Rockland, Sullivan and 1 more114 min
Jul 17, 12:00 PM EDTMesoscale DiscussionSPCBronx, Broome, Columbia, Delaware, Dutchess, Greene and 11 more3 hr
Jul 17, 3:02 PM EDTMesoscale DiscussionSPCBronx, Kings, New York, Queens, Richmond88 min
Jul 17, 4:38 PM EDTMesoscale DiscussionSPCAlbany, Bronx, Broome, Chemung, Chenango, Columbia and 17 more97 min
Jul 17, 6:54 PM EDTMesoscale DiscussionSPCAlbany, Broome, Chenango, Columbia, Delaware, Dutchess and 10 more2 hr
Jul 17, 10:02 PM EDTMesoscale DiscussionSPCKings, Richmond58 min
Jul 20, 1:03 PM EDTMesoscale DiscussionSPCClinton, Franklin, Jefferson, Lewis, Monroe, Orleans and 2 more2 hr
Jul 20, 4:17 PM EDTMesoscale DiscussionSPCCayuga, Clinton, Essex, Franklin, Hamilton, Herkimer and 7 more118 min
Jul 20, 7:12 PM EDTMesoscale DiscussionSPCAlbany, Cayuga, Chenango, Cortland, Essex, Fulton and 15 more2 hr
Jul 20, 10:01 PM EDTMesoscale DiscussionSPCAlbany, Broome, Chemung, Columbia, Delaware, Dutchess and 6 more59 min
Jul 21, 10:32 AM EDTMesoscale DiscussionSPCBronx, Kings, Nassau, New York, Putnam, Queens and 4 more58 min
Jul 26, 6:03 PM EDTMesoscale DiscussionSPCClinton, Essex, Franklin, St. Lawrence87 min
Jul 27, 10:33 AM EDTMesoscale DiscussionSPCAllegany, Cattaraugus, Cayuga, Erie, Genesee, Livingston and 9 more117 min
Jul 27, 2:01 PM EDTMesoscale DiscussionSPCAlbany, Allegany, Broome, Cattaraugus, Cayuga, Chemung and 29 more89 min
Jul 27, 4:36 PM EDTMesoscale DiscussionSPCAlbany, Bronx, Columbia, Delaware, Dutchess, Greene and 12 more84 min
Jul 27, 6:09 PM EDTMesoscale DiscussionSPCAlbany, Bronx, Broome, Columbia, Delaware, Dutchess and 10 more96 min

By county

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

22 more counties

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.