Alert archive / New York / Mesoscale Discussions
Mesoscale Discussions in New York, 2019
122 mesoscale discussions in 2019. 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 2019. Tap one for its archive.
- Mesoscale Discussions
- 122
- Busiest month
- July25 mesoscale discussions
- Busiest day
- June 29, 20195 mesoscale discussions
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 19, 6:24 PM EST | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Chemung, Steuben | 3 hr |
| Jan 19, 9:33 PM EST | Mesoscale Discussion | SPC | Allegany, Bronx, Broome, Cattaraugus, Chautauqua, Chemung and 11 more | 3 hr |
| Jan 20, 12:46 AM EST | Mesoscale Discussion | SPC | Cayuga, Clinton, Essex, Franklin, Fulton, Hamilton and 15 more | 4 hr |
| Jan 20, 6:42 AM EST | Mesoscale Discussion | SPC | Albany, Clinton, Columbia, Essex, Franklin, Hamilton and 6 more | 6 hr |
| Jan 23, 6:08 AM EST | Mesoscale Discussion | SPC | Cayuga, Cortland, Herkimer, Lewis, Madison, Oneida and 2 more | 6 hr |
| Jan 23, 7:00 PM EST | Mesoscale Discussion | SPC | Clinton, Essex, Warren, Washington | 4 hr |
| Jan 25, 10:19 AM EST | Mesoscale Discussion | SPC | Cayuga, Chautauqua, Erie, Fulton, Genesee, Hamilton and 13 more | 5 hr |
| Jan 27, 9:27 AM EST | Mesoscale Discussion | SPC | Broome, Cayuga, Chemung, Chenango, Cortland, Hamilton and 12 more | 6 hr |
| Jan 29, 5:46 PM EST | Mesoscale Discussion | SPC | Albany, Columbia, Delaware, Dutchess, Greene, Rensselaer and 4 more | 4 hr |
| Jan 30, 11:10 AM EST | Mesoscale Discussion | SPC | Albany, Bronx, Broome, Chenango, Columbia, Delaware and 21 more | 4 hr |
| Jan 31, 3:51 AM EST | Mesoscale Discussion | SPC | Oswego | 6 hr |
| Jan 31, 10:53 AM EST | Mesoscale Discussion | SPC | Jefferson, Lewis | 6 hr |
| Jan 31, 6:39 PM EST | Mesoscale Discussion | SPC | Jefferson, Lewis, Oswego | 5 hr |
| Feb 6, 6:50 PM EST | Mesoscale Discussion | SPC | Clinton, Essex, Franklin, Hamilton, St. Lawrence, Warren | 6 hr |
| Feb 12, 4:16 AM EST | Mesoscale Discussion | SPC | Cattaraugus, Chautauqua | 6 hr |
| Feb 12, 10:48 AM EST | Mesoscale Discussion | SPC | Albany, Allegany, Bronx, Broome, Cattaraugus, Cayuga and 39 more | 4 hr |
| Feb 12, 3:35 PM EST | Mesoscale Discussion | SPC | Albany, Allegany, Broome, Cayuga, Chemung, Chenango and 39 more | 4 hr |
| Feb 18, 2:27 AM EST | Mesoscale Discussion | SPC | Bronx, Kings, Nassau, New York, Orange, Putnam and 4 more | 4 hr |
| Feb 20, 6:32 PM EST | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Chemung, Schuyler, Steuben, Tioga and 1 more | 4 hr |
| Feb 20, 10:15 PM EST | Mesoscale Discussion | SPC | Albany, Broome, Cayuga, Chemung, Chenango, Columbia and 32 more | 5 hr |
| Mar 3, 5:41 PM EST | Mesoscale Discussion | SPC | Bronx, Kings, Nassau, New York, Orange, Putnam and 5 more | 4 hr |
| Mar 3, 10:44 PM EST | Mesoscale Discussion | SPC | Bronx, Dutchess, Kings, Nassau, New York, Putnam and 5 more | 4 hr |
| Mar 15, 7:40 PM EDT | Mesoscale Discussion | SPC | Bronx, New York, Rockland, Westchester | 2 hr |
| Mar 22, 5:29 AM EDT | Mesoscale Discussion | SPC | Albany, Greene, Rensselaer, Saratoga, Schenectady, Schoharie and 2 more | 4 hr |
| Apr 14, 5:57 PM EDT | Mesoscale Discussion | SPC | Cattaraugus, Chautauqua | 63 min |
| Apr 14, 7:21 PM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Chautauqua, Erie, Livingston, Steuben and 1 more | 54 min |
| Apr 14, 9:14 PM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Chemung, Schuyler, Steuben, Wyoming | 61 min |
| Apr 14, 11:56 PM EDT | Mesoscale Discussion | SPC | Albany, Bronx, Broome, Chemung, Chenango, Columbia and 26 more | 2 hr |
| Apr 15, 12:33 AM EDT | Mesoscale Discussion | SPC | Essex, Fulton, Hamilton, Herkimer, Jefferson, Lewis and 8 more | 117 min |
| Apr 15, 3:50 AM EDT | Mesoscale Discussion | SPC | Albany, Bronx, Columbia, Dutchess, Greene, Kings and 9 more | 55 min |
| May 10, 1:41 PM EDT | Mesoscale Discussion | SPC | Broome, Chemung, Chenango, Cortland, Fulton, Hamilton and 9 more | 94 min |
| May 19, 12:51 PM EDT | Mesoscale Discussion | SPC | Broome, Cayuga, Chemung, Chenango, Cortland, Delaware and 23 more | 114 min |
| May 19, 4:07 PM EDT | Mesoscale Discussion | SPC | Cayuga, Essex, Fulton, Hamilton, Herkimer, Lewis and 8 more | 83 min |
| May 19, 6:55 PM EDT | Mesoscale Discussion | SPC | Bronx, Columbia, Dutchess, Greene, Kings, Nassau and 9 more | 95 min |
| May 20, 1:01 PM EDT | Mesoscale Discussion | SPC | Columbia, Dutchess, Rensselaer | 119 min |
| May 20, 5:16 PM EDT | Mesoscale Discussion | SPC | Columbia, Dutchess, Putnam | 119 min |
| May 23, 8:53 AM EDT | Mesoscale Discussion | SPC | Cattaraugus, Chautauqua, Erie, Wyoming | 2 hr |
| May 23, 6:47 PM EDT | Mesoscale Discussion | SPC | Cayuga, Hamilton, Herkimer, Lewis, Madison, Monroe and 6 more | 118 min |
| May 23, 7:10 PM EDT | Mesoscale Discussion | SPC | Allegany, Broome, Chemung, Chenango, Cortland, Livingston and 5 more | 65 min |
| May 23, 9:24 PM EDT | Mesoscale Discussion | SPC | Albany, Bronx, Broome, Chenango, Columbia, Delaware and 16 more | 2 hr |
| May 25, 12:53 PM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Chautauqua, Erie, Genesee, Wyoming | 2 hr |
| May 25, 8:16 PM EDT | Mesoscale Discussion | SPC | Cayuga, Chemung, Onondaga, Schuyler, Seneca, Steuben and 2 more | 59 min |
| May 28, 6:08 PM EDT | Mesoscale Discussion | SPC | Bronx, Orange, Rockland, Sullivan, Westchester | 97 min |
| May 28, 8:07 PM EDT | Mesoscale Discussion | SPC | Sullivan | 113 min |
| May 28, 9:31 PM EDT | Mesoscale Discussion | SPC | Kings, Queens, Richmond | 89 min |
| Jun 1, 2:28 PM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston and 3 more | 2 hr |
| Jun 2, 1:15 PM EDT | Mesoscale Discussion | SPC | Bronx, Columbia, Dutchess, Greene, Kings, New York and 9 more | 2 hr |
| Jun 20, 1:53 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Chenango, Columbia, Delaware, Dutchess and 13 more | 2 hr |
| Jun 26, 1:56 PM EDT | Mesoscale Discussion | SPC | Allegany, Broome, Cattaraugus, Cayuga, Chemung, Chenango and 25 more | 94 min |
| Jun 26, 4:50 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Chenango, Clinton, Columbia, Delaware and 16 more | 85 min |
| Jun 29, 11:34 AM EDT | Mesoscale Discussion | SPC | Bronx, Broome, Chemung, Chenango, Columbia, Cortland and 19 more | 86 min |
| Jun 29, 1:45 PM EDT | Mesoscale Discussion | SPC | Allegany, Chemung, Orange, Richmond, Rockland, Sullivan | 90 min |
| Jun 29, 4:01 PM EDT | Mesoscale Discussion | SPC | Kings, New York, Richmond | 119 min |
| Jun 29, 5:58 PM EDT | Mesoscale Discussion | SPC | Clinton, Essex, Franklin, Hamilton, Herkimer, Lewis and 2 more | 3 hr |
| Jun 29, 6:23 PM EDT | Mesoscale Discussion | SPC | Clinton, Essex, Franklin, Hamilton, Herkimer, Lewis and 2 more | 2 hr |
| Jul 6, 11:55 AM EDT | Mesoscale Discussion | SPC | Albany, Allegany, Broome, Cattaraugus, Cayuga, Chemung and 31 more | 3 hr |
| Jul 6, 1:48 PM EDT | Mesoscale Discussion | SPC | Bronx, Columbia, Dutchess, Kings, Nassau, New York and 9 more | 2 hr |
| Jul 11, 3:58 PM EDT | Mesoscale Discussion | SPC | Clinton, Essex, Franklin, Hamilton, Herkimer, Jefferson and 6 more | 2 hr |
| Jul 17, 1:03 PM EDT | Mesoscale Discussion | SPC | Albany, Bronx, Broome, Chemung, Chenango, Columbia and 20 more | 2 hr |
| Jul 17, 3:59 PM EDT | Mesoscale Discussion | SPC | Bronx, Columbia, Delaware, Dutchess, Greene, Kings and 11 more | 2 hr |
| Jul 17, 6:54 PM EDT | Mesoscale Discussion | SPC | Bronx, Kings, Nassau, New York, Orange, Putnam and 4 more | 96 min |
| Jul 18, 1:49 PM EDT | Mesoscale Discussion | SPC | Bronx, Kings, Nassau, New York, Queens, Richmond | 2 hr |
| Jul 19, 1:38 PM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Cayuga, Chautauqua, Chemung, Erie and 12 more | 2 hr |
| Jul 19, 4:40 PM EDT | Mesoscale Discussion | SPC | Allegany, Broome, Cattaraugus, Cayuga, Chautauqua, Chemung and 17 more | 2 hr |
| Jul 19, 6:54 PM EDT | Mesoscale Discussion | SPC | Broome, Delaware, Greene, Sullivan, Ulster | 96 min |
| Jul 20, 6:24 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Cayuga, Chenango, Clinton, Columbia and 29 more | 96 min |
| Jul 20, 9:03 PM EDT | Mesoscale Discussion | SPC | Albany, Columbia, Dutchess, Greene, Montgomery, Rensselaer and 3 more | 57 min |
| Jul 20, 9:53 PM EDT | Mesoscale Discussion | SPC | Albany, Columbia, Dutchess, Greene, Montgomery, Rensselaer and 3 more | 67 min |
| Jul 22, 1:11 PM EDT | Mesoscale Discussion | SPC | Bronx, Dutchess, Kings, Nassau, New York, Orange and 6 more | 94 min |
| Jul 22, 4:20 PM EDT | Mesoscale Discussion | SPC | Bronx, Kings, Nassau, New York, Orange, Putnam and 4 more | 115 min |
| Jul 22, 7:03 PM EDT | Mesoscale Discussion | SPC | Nassau, Suffolk | 57 min |
| Jul 22, 8:51 PM EDT | Mesoscale Discussion | SPC | Bronx, Kings, Nassau, New York, Orange, Putnam and 5 more | 84 min |
| Jul 28, 1:45 PM EDT | Mesoscale Discussion | SPC | Clinton, Essex, Franklin, Fulton, Hamilton, Herkimer and 9 more | 2 hr |
| Jul 28, 3:19 PM EDT | Mesoscale Discussion | SPC | Allegany, Broome, Cattaraugus, Cayuga, Chautauqua, Chemung and 22 more | 116 min |
| Jul 28, 4:56 PM EDT | Mesoscale Discussion | SPC | Columbia, Rensselaer | 2 hr |
| Jul 30, 12:59 PM EDT | Mesoscale Discussion | SPC | Broome, Cayuga, Chemung, Chenango, Clinton, Cortland and 20 more | 2 hr |
| Jul 30, 4:22 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Chemung, Chenango, Clinton, Columbia and 25 more | 113 min |
| Jul 30, 6:32 PM EDT | Mesoscale Discussion | SPC | Rensselaer | 88 min |
| Jul 31, 12:39 PM EDT | Mesoscale Discussion | SPC | Bronx, Columbia, Dutchess, Kings, Nassau, New York and 7 more | 66 min |
| Jul 31, 4:19 PM EDT | Mesoscale Discussion | SPC | Bronx, Dutchess, Kings, Nassau, New York, Orange and 6 more | 56 min |
| Aug 3, 1:02 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Chemung, Chenango, Columbia, Cortland and 18 more | 2 hr |
| Aug 3, 2:29 PM EDT | Mesoscale Discussion | SPC | Clinton, Essex, Franklin, Hamilton, Lewis, St. Lawrence | 2 hr |
| Aug 7, 1:02 PM EDT | Mesoscale Discussion | SPC | Albany, Bronx, Columbia, Delaware, Dutchess, Greene and 15 more | 88 min |
| Aug 7, 1:26 PM EDT | Mesoscale Discussion | SPC | Clinton, Essex, Franklin, Fulton, Hamilton, Herkimer and 5 more | 94 min |
| Aug 7, 3:57 PM EDT | Mesoscale Discussion | SPC | Albany, Bronx, Columbia, Delaware, Dutchess, Fulton and 17 more | 93 min |
| Aug 7, 6:56 PM EDT | Mesoscale Discussion | SPC | Bronx, Fulton, Kings, Nassau, New York, Queens and 7 more | 64 min |
| Aug 8, 11:58 AM EDT | Mesoscale Discussion | SPC | Allegany, Broome, Cayuga, Chemung, Chenango, Cortland and 23 more | 92 min |
| Aug 8, 4:18 PM EDT | Mesoscale Discussion | SPC | Albany, Columbia, Delaware, Greene, Montgomery, Rensselaer and 2 more | 57 min |
| Aug 15, 1:15 PM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus | 2 hr |
| Aug 16, 1:28 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Cayuga, Chemung, Chenango, Cortland and 26 more | 2 hr |
| Aug 17, 1:27 PM EDT | Mesoscale Discussion | SPC | Albany, Allegany, Broome, Cattaraugus, Cayuga, Chautauqua and 31 more | 2 hr |
| Aug 17, 6:22 PM EDT | Mesoscale Discussion | SPC | Albany, Columbia, Dutchess, Greene, Orange, Putnam and 8 more | 2 hr |
| Aug 18, 12:55 PM EDT | Mesoscale Discussion | SPC | Allegany, Broome, Cayuga, Chemung, Chenango, Cortland and 21 more | 65 min |
| Aug 18, 6:11 PM EDT | Mesoscale Discussion | SPC | Albany, Bronx, Columbia, Delaware, Dutchess, Essex and 24 more | 2 hr |
| Aug 19, 1:38 PM EDT | Mesoscale Discussion | SPC | Bronx, Dutchess, Kings, Nassau, New York, Orange and 6 more | 67 min |
| Aug 21, 11:31 AM EDT | Mesoscale Discussion | SPC | Bronx, Dutchess, Kings, Nassau, New York, Orange and 6 more | 119 min |
| Aug 21, 3:55 PM EDT | Mesoscale Discussion | SPC | Albany, Bronx, Columbia, Dutchess, Greene, Kings and 12 more | 95 min |
| Aug 21, 6:20 PM EDT | Mesoscale Discussion | SPC | Bronx, Columbia, Dutchess, Kings, Nassau, New York and 8 more | 115 min |
| Sep 1, 7:26 PM EDT | Mesoscale Discussion | SPC | Cattaraugus, Chautauqua | 94 min |
| Sep 2, 2:01 PM EDT | Mesoscale Discussion | SPC | Bronx, Kings, Nassau, New York, Queens, Richmond | 119 min |
| Sep 2, 3:58 PM EDT | Mesoscale Discussion | SPC | Albany, Columbia, Delaware, Dutchess, Greene, Orange and 5 more | 3 hr |
| Sep 4, 11:19 AM EDT | Mesoscale Discussion | SPC | Albany, Broome, Chemung, Chenango, Columbia, Cortland and 22 more | 116 min |
| Sep 4, 3:27 PM EDT | Mesoscale Discussion | SPC | Bronx, Columbia, Dutchess, Greene, Kings, Nassau and 12 more | 93 min |
| Sep 23, 3:23 PM EDT | Mesoscale Discussion | SPC | Allegany, Broome, Cattaraugus, Cayuga, Chemung, Chenango and 28 more | 97 min |
| Sep 26, 3:40 PM EDT | Mesoscale Discussion | SPC | Suffolk | 2 hr |
| Oct 16, 8:52 PM EDT | Mesoscale Discussion | SPC | Nassau, Suffolk | 83 min |
| Oct 31, 4:46 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Cayuga, Chemung, Chenango, Columbia and 29 more | 119 min |
| Oct 31, 8:21 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Chenango, Columbia, Delaware, Fulton and 16 more | 54 min |
| Oct 31, 9:58 PM EDT | Mesoscale Discussion | SPC | Orange, Putnam, Richmond, Rockland, Westchester | 2 hr |
| Oct 31, 11:16 PM EDT | Mesoscale Discussion | SPC | Albany, Columbia, Dutchess, Fulton, Greene, Montgomery and 10 more | 119 min |
| Nov 1, 12:50 AM EDT | Mesoscale Discussion | SPC | Bronx, Columbia, Dutchess, Kings, Nassau, New York and 6 more | 85 min |
| Nov 12, 2:03 AM EST | Mesoscale Discussion | SPC | Clinton, Essex, Franklin, Fulton, Hamilton, Herkimer and 5 more | 5 hr |
| Nov 15, 2:34 PM EST | Mesoscale Discussion | SPC | Clinton, Essex | 3 hr |
| Dec 1, 5:45 AM EST | Mesoscale Discussion | SPC | Allegany, Cattaraugus | 6 hr |
| Dec 1, 7:05 PM EST | Mesoscale Discussion | SPC | Columbia, Dutchess, Rensselaer | 5 hr |
| Dec 10, 2:21 PM EST | Mesoscale Discussion | SPC | Chautauqua, Erie | 4 hr |
| Dec 11, 3:57 PM EST | Mesoscale Discussion | SPC | Chautauqua, Clinton, Erie, Essex, Franklin, Genesee and 10 more | 4 hr |
| Dec 11, 8:50 PM EST | Mesoscale Discussion | SPC | Clinton, Essex, Warren, Washington | 2 hr |
| Dec 17, 11:06 AM EST | Mesoscale Discussion | SPC | Columbia, Delaware, Dutchess, Greene, Orange, Putnam and 2 more | 5 hr |
| Dec 29, 7:28 PM EST | Mesoscale Discussion | SPC | Clinton, Essex, Franklin, Fulton, Hamilton, Herkimer and 5 more | 4 hr |
| Dec 31, 1:47 PM EST | Mesoscale Discussion | SPC | Allegany, Broome, Cattaraugus, Cayuga, Chemung, Chenango and 15 more | 3 hr |
| Dec 31, 4:31 PM EST | Mesoscale Discussion | SPC | Broome, Chenango, Cortland, Delaware, Fulton, Greene and 9 more | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Orange County45
- Dutchess County43
- Putnam County42
- Columbia County42
- Rockland County40
- Ulster County40
- Greene County39
- Sullivan County37
- Westchester County37
- Hamilton County37
- Rensselaer County37
- Delaware County36
- Fulton County36
- Herkimer County36
- Bronx County35
- Broome County34
- Montgomery County34
- Schenectady County34
- Kings County33
- New York County33
- Chemung County32
- Lewis County32
- Oneida County32
- Albany County32
- Chenango County32
- Schoharie County32
- Queens County32
- Richmond County32
- Tioga County31
- Saratoga County31
- Madison County30
- Warren County30
- Nassau County30
- Washington County29
- Otsego County29
- Tompkins County28
- Essex County28
- Onondaga County27
- Cortland County27
- Schuyler County26
22 more counties
- Steuben County25
- Cayuga County25
- Oswego County25
- Allegany County23
- Suffolk County23
- Cattaraugus County22
- Clinton County21
- Seneca County21
- St. Lawrence County20
- Franklin County19
- Yates County19
- Livingston County18
- Ontario County16
- Chautauqua County15
- Wayne County15
- Jefferson County13
- Wyoming County13
- Erie County10
- Genesee County7
- Monroe County5
- Niagara County2
- Orleans County2
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.