Alert archive / New York / Mesoscale Discussions
Mesoscale Discussions in New York, 2017
103 mesoscale discussions in 2017. 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 2017. Tap one for its archive.
- Mesoscale Discussions
- 103
- Busiest month
- August19 mesoscale discussions
- Busiest day
- August 22, 20176 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 7, 11:27 AM EST | Mesoscale Discussion | SPC | Kings, Nassau, Queens, Suffolk | 4 hr |
| Jan 10, 6:13 PM EST | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Cayuga, Chemung, Erie, Genesee and 12 more | 6 hr |
| Jan 17, 11:10 AM EST | Mesoscale Discussion | SPC | Fulton, Hamilton, Herkimer, Jefferson, Lewis, Madison and 6 more | 6 hr |
| Jan 23, 8:14 PM EST | Mesoscale Discussion | SPC | Albany, Broome, Chenango, Cortland, Delaware, Fulton and 9 more | 6 hr |
| Jan 23, 11:48 PM EST | Mesoscale Discussion | SPC | Essex | 6 hr |
| Jan 24, 5:44 AM EST | Mesoscale Discussion | SPC | Clinton, Essex, Franklin, Hamilton, Saratoga, Warren and 1 more | 6 hr |
| Jan 29, 8:22 AM EST | Mesoscale Discussion | SPC | Lewis, Oswego | 4 hr |
| Feb 1, 12:33 PM EST | Mesoscale Discussion | SPC | Lewis, Oswego | 6 hr |
| Feb 7, 5:44 PM EST | Mesoscale Discussion | SPC | Clinton, Essex, Franklin, Hamilton, Rensselaer, Saratoga and 2 more | 5 hr |
| Feb 7, 11:18 PM EST | Mesoscale Discussion | SPC | Washington | 5 hr |
| Feb 9, 4:55 AM EST | Mesoscale Discussion | SPC | Albany, Bronx, Broome, Chenango, Columbia, Delaware and 23 more | 6 hr |
| Feb 9, 11:05 AM EST | Mesoscale Discussion | SPC | Suffolk | 4 hr |
| Feb 12, 9:59 AM EST | Mesoscale Discussion | SPC | Albany, Columbia, Essex, Franklin, Fulton, Hamilton and 9 more | 5 hr |
| Feb 12, 10:36 AM EST | Mesoscale Discussion | SPC | Bronx, Cayuga, Chenango, Cortland, Delaware, Dutchess and 13 more | 24 min |
| Feb 12, 12:02 PM EST | Mesoscale Discussion | SPC | Bronx, Cayuga, Chenango, Cortland, Delaware, Dutchess and 13 more | 4 hr |
| Feb 12, 2:51 PM EST | Mesoscale Discussion | SPC | Clinton, Essex | 4 hr |
| Feb 25, 12:16 PM EST | Mesoscale Discussion | SPC | Albany, Broome, Chenango, Cortland, Delaware, Fulton and 19 more | 89 min |
| Feb 25, 4:44 PM EST | Mesoscale Discussion | SPC | Albany, Bronx, Columbia, Delaware, Dutchess, Fulton and 17 more | 91 min |
| Mar 1, 2:19 AM EST | Mesoscale Discussion | SPC | Cattaraugus, Chautauqua | 86 min |
| Mar 1, 2:50 PM EST | Mesoscale Discussion | SPC | Richmond | 55 min |
| Mar 10, 8:18 AM EST | Mesoscale Discussion | SPC | Bronx, Kings, Nassau, New York, Queens, Richmond and 1 more | 4 hr |
| Mar 14, 3:22 AM EDT | Mesoscale Discussion | SPC | Albany, Bronx, Broome, Chenango, Columbia, Delaware and 17 more | 5 hr |
| Mar 14, 9:04 AM EDT | Mesoscale Discussion | SPC | Albany, Broome, Chemung, Chenango, Columbia, Cortland and 27 more | 4 hr |
| Mar 14, 1:57 PM EDT | Mesoscale Discussion | SPC | Essex, Fulton, Hamilton, Herkimer, Montgomery, Saratoga and 3 more | 5 hr |
| Mar 14, 5:36 PM EDT | Mesoscale Discussion | SPC | Clinton, Essex, Franklin, Fulton, Hamilton, Herkimer and 1 more | 6 hr |
| Apr 6, 3:12 PM EDT | Mesoscale Discussion | SPC | Bronx, Kings, Nassau, New York, Queens, Richmond and 1 more | 63 min |
| Apr 16, 2:15 PM EDT | Mesoscale Discussion | SPC | Albany, Allegany, Broome, Cattaraugus, Cayuga, Chemung and 27 more | 3 hr |
| May 1, 1:41 PM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Genesee, Livingston, Ontario, Steuben and 2 more | 64 min |
| May 1, 4:36 PM EDT | Mesoscale Discussion | SPC | Broome, Cayuga, Chemung, Chenango, Cortland, Madison and 11 more | 84 min |
| May 1, 6:29 PM EDT | Mesoscale Discussion | SPC | Albany, Chenango, Clinton, Columbia, Delaware, Dutchess and 20 more | 61 min |
| May 1, 7:16 PM EDT | Mesoscale Discussion | SPC | New York, Richmond, Rockland, Westchester | 2 hr |
| May 1, 9:41 PM EDT | Mesoscale Discussion | SPC | Albany, Columbia, Dutchess, Greene, Rensselaer, Saratoga and 6 more | 64 min |
| May 18, 2:04 PM EDT | Mesoscale Discussion | SPC | Albany, Allegany, Broome, Cattaraugus, Cayuga, Chautauqua and 35 more | 116 min |
| May 18, 5:36 PM EDT | Mesoscale Discussion | SPC | Albany, Allegany, Broome, Cattaraugus, Cayuga, Chemung and 32 more | 84 min |
| May 18, 7:33 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Chemung, Chenango, Columbia, Cortland and 14 more | 87 min |
| May 19, 3:36 PM EDT | Mesoscale Discussion | SPC | Bronx, Kings, Nassau, New York, Queens, Richmond | 114 min |
| May 28, 7:39 PM EDT | Mesoscale Discussion | SPC | Cattaraugus, Chautauqua | 96 min |
| May 30, 12:03 PM EDT | Mesoscale Discussion | SPC | Allegany, Chemung, Schuyler, Seneca, Steuben, Tompkins and 1 more | 2 hr |
| May 30, 4:03 PM EDT | Mesoscale Discussion | SPC | Broome, Cayuga, Chemung, Chenango, Cortland, Fulton and 19 more | 117 min |
| May 31, 12:29 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Chenango, Clinton, Columbia, Delaware and 18 more | 61 min |
| May 31, 4:46 PM EDT | Mesoscale Discussion | SPC | Albany, Columbia, Delaware, Dutchess, Fulton, Greene and 9 more | 119 min |
| May 31, 7:34 PM EDT | Mesoscale Discussion | SPC | Columbia, Dutchess, Greene, Orange, Putnam, Sullivan and 1 more | 86 min |
| Jun 5, 12:32 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Chemung, Chenango, Cortland, Delaware and 9 more | 2 hr |
| Jun 13, 2:25 PM EDT | Mesoscale Discussion | SPC | Bronx, Dutchess, Orange, Putnam, Rockland, Suffolk and 1 more | 3 hr |
| Jun 18, 12:31 PM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Cayuga, Chautauqua, Chemung, Cortland and 18 more | 119 min |
| Jun 18, 3:31 PM EDT | Mesoscale Discussion | SPC | Broome, Chenango, Clinton, Delaware, Essex, Franklin and 10 more | 2 hr |
| Jun 18, 4:30 PM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Cayuga, Chautauqua, Erie, Genesee and 10 more | 90 min |
| Jun 19, 10:45 AM EDT | Mesoscale Discussion | SPC | Albany, Columbia, Delaware, Dutchess, Fulton, Greene and 13 more | 3 hr |
| Jun 19, 2:21 PM EDT | Mesoscale Discussion | SPC | Bronx, Kings, New York, Queens, Richmond, Rockland | 114 min |
| Jun 21, 2:38 PM EDT | Mesoscale Discussion | SPC | Bronx, Dutchess, Kings, Nassau, New York, Orange and 6 more | 3 hr |
| Jun 22, 1:18 PM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Chautauqua, Chemung, Erie, Schuyler and 4 more | 2 hr |
| Jun 23, 2:02 PM EDT | Mesoscale Discussion | SPC | Albany, Cayuga, Chenango, Clinton, Columbia, Cortland and 30 more | 2 hr |
| Jun 23, 8:25 PM EDT | Mesoscale Discussion | SPC | Richmond | 65 min |
| Jun 24, 6:54 AM EDT | Mesoscale Discussion | SPC | Bronx, Kings, Nassau, New York, Queens, Richmond and 1 more | 66 min |
| Jun 27, 12:00 PM EDT | Mesoscale Discussion | SPC | Albany, Columbia, Dutchess, Greene, Montgomery, Nassau and 11 more | 2 hr |
| Jun 30, 12:48 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Chemung, Chenango, Columbia, Cortland and 22 more | 2 hr |
| Jun 30, 4:20 PM EDT | Mesoscale Discussion | SPC | Albany, Chenango, Columbia, Delaware, Dutchess, Fulton and 11 more | 115 min |
| Jun 30, 7:06 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Chenango, Columbia, Delaware, Dutchess and 18 more | 54 min |
| Jul 1, 12:32 PM EDT | Mesoscale Discussion | SPC | Albany, Columbia, Fulton, Greene, Montgomery, Rensselaer and 5 more | 118 min |
| Jul 1, 12:54 PM EDT | Mesoscale Discussion | SPC | Broome, Chemung, Cortland, Schuyler, Tioga, Tompkins | 66 min |
| Jul 1, 4:10 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Chenango, Columbia, Delaware, Dutchess and 14 more | 2 hr |
| Jul 12, 12:51 PM EDT | Mesoscale Discussion | SPC | Albany, Columbia, Dutchess, Greene, Rensselaer, Schenectady and 2 more | 114 min |
| Jul 13, 11:09 AM EDT | Mesoscale Discussion | SPC | Albany, Bronx, Columbia, Delaware, Dutchess, Greene and 15 more | 2 hr |
| Jul 13, 4:43 PM EDT | Mesoscale Discussion | SPC | Bronx, Dutchess, Kings, Nassau, New York, Orange and 6 more | 62 min |
| Jul 17, 12:14 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Chemung, Chenango, Columbia, Cortland and 25 more | 2 hr |
| Jul 17, 3:37 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Cayuga, Chemung, Chenango, Cortland and 21 more | 53 min |
| Jul 17, 6:58 PM EDT | Mesoscale Discussion | SPC | Albany, Columbia, Delaware, Dutchess, Greene, Orange and 7 more | 62 min |
| Jul 20, 11:36 AM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Chautauqua, Chemung, Erie, Genesee and 10 more | 114 min |
| Jul 20, 3:03 PM EDT | Mesoscale Discussion | SPC | Allegany, Broome, Cayuga, Chemung, Chenango, Cortland and 13 more | 87 min |
| Jul 20, 4:33 PM EDT | Mesoscale Discussion | SPC | Bronx, Broome, Columbia, Delaware, Dutchess, Greene and 11 more | 87 min |
| Jul 20, 7:48 PM EDT | Mesoscale Discussion | SPC | Bronx, Kings, New York, Queens, Richmond, Rockland | 87 min |
| Jul 23, 3:44 PM EDT | Mesoscale Discussion | SPC | Allegany, Chemung, Livingston, Ontario, Schuyler, Seneca and 5 more | 3 hr |
| Jul 24, 2:17 PM EDT | Mesoscale Discussion | SPC | Broome, Chemung, Chenango, Sullivan, Tioga | 118 min |
| Aug 2, 1:30 PM EDT | Mesoscale Discussion | SPC | Albany, Bronx, Broome, Chemung, Chenango, Clinton and 37 more | 2 hr |
| Aug 4, 11:38 AM EDT | Mesoscale Discussion | SPC | Cattaraugus, Chautauqua, Erie | 2 hr |
| Aug 4, 3:46 PM EDT | Mesoscale Discussion | SPC | Allegany, Broome, Cattaraugus, Cayuga, Chautauqua, Chemung and 27 more | 119 min |
| Aug 4, 5:53 PM EDT | Mesoscale Discussion | SPC | Clinton, Essex, Franklin, Warren | 3 hr |
| Aug 4, 7:41 PM EDT | Mesoscale Discussion | SPC | Allegany, Broome, Cattaraugus, Cayuga, Chemung, Chenango and 18 more | 2 hr |
| Aug 5, 11:36 AM EDT | Mesoscale Discussion | SPC | Albany, Columbia, Dutchess, Rensselaer, Saratoga, Warren and 1 more | 114 min |
| Aug 12, 1:41 PM EDT | Mesoscale Discussion | SPC | Allegany, Broome, Cayuga, Chemung, Chenango, Cortland and 12 more | 2 hr |
| Aug 12, 5:17 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Chenango, Cortland, Delaware, Fulton and 12 more | 88 min |
| Aug 15, 1:38 PM EDT | Mesoscale Discussion | SPC | Cayuga, Clinton, Cortland, Erie, Essex, Franklin and 21 more | 2 hr |
| Aug 18, 1:54 PM EDT | Mesoscale Discussion | SPC | Bronx, Delaware, Dutchess, Greene, Kings, New York and 7 more | 2 hr |
| Aug 18, 4:34 PM EDT | Mesoscale Discussion | SPC | Columbia, Delaware, Dutchess, Orange, Putnam, Rockland and 3 more | 86 min |
| Aug 22, 11:55 AM EDT | Mesoscale Discussion | SPC | Allegany, Broome, Cattaraugus, Cayuga, Chemung, Chenango and 23 more | 3 hr |
| Aug 22, 2:44 PM EDT | Mesoscale Discussion | SPC | Allegany, Broome, Cayuga, Chemung, Chenango, Clinton and 22 more | 2 hr |
| Aug 22, 3:08 PM EDT | Mesoscale Discussion | SPC | Delaware, Dutchess, Orange, Putnam, Rockland, Sullivan and 1 more | 67 min |
| Aug 22, 4:48 PM EDT | Mesoscale Discussion | SPC | Broome, Cayuga, Chemung, Chenango, Clinton, Cortland and 21 more | 87 min |
| Aug 22, 5:49 PM EDT | Mesoscale Discussion | SPC | Albany, Columbia, Greene, Rensselaer, Washington | 116 min |
| Aug 22, 7:07 PM EDT | Mesoscale Discussion | SPC | Bronx, Columbia, Delaware, Dutchess, Greene, Kings and 8 more | 113 min |
| Aug 22, 8:04 PM EDT | Mesoscale Discussion | SPC | Albany, Columbia, Greene, Rensselaer, Ulster, Washington | 86 min |
| Aug 22, 10:53 PM EDT | Mesoscale Discussion | SPC | Bronx, Dutchess, Kings, Nassau, New York, Orange and 6 more | 97 min |
| Sep 4, 6:50 PM EDT | Mesoscale Discussion | SPC | Cattaraugus, Chautauqua, Erie | 115 min |
| Sep 5, 4:30 PM EDT | Mesoscale Discussion | SPC | Columbia, Dutchess, Orange, Putnam, Rensselaer, Ulster and 1 more | 2 hr |
| Oct 15, 3:03 PM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Cayuga, Chautauqua, Chemung, Cortland and 25 more | 57 min |
| Oct 24, 8:55 PM EDT | Mesoscale Discussion | SPC | Suffolk | 65 min |
| Dec 10, 8:55 PM EST | Mesoscale Discussion | SPC | Chautauqua, Erie, Genesee, Herkimer, Jefferson, Lewis and 7 more | 5 hr |
| Dec 11, 10:30 PM EST | Mesoscale Discussion | SPC | Cayuga, Cortland, Fulton, Hamilton, Herkimer, Lewis and 9 more | 6 hr |
| Dec 15, 5:42 PM EST | Mesoscale Discussion | SPC | Chautauqua, Erie, Niagara | 4 hr |
| Dec 25, 3:23 AM EST | Mesoscale Discussion | SPC | Chemung, Tioga | 3 hr |
| Dec 25, 4:36 AM EST | Mesoscale Discussion | SPC | Albany, Columbia, Dutchess, Greene, Orange, Putnam and 5 more | 5 hr |
| Dec 25, 10:57 AM EST | Mesoscale Discussion | SPC | Chautauqua | 4 hr |
| Dec 25, 8:01 PM EST | Mesoscale Discussion | SPC | Cattaraugus, Cayuga, Chautauqua, Erie, Genesee, Livingston and 7 more | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Albany County35
- Chenango County34
- Greene County34
- Dutchess County34
- Fulton County33
- Saratoga County33
- Otsego County33
- Rensselaer County33
- Washington County33
- Warren County33
- Ulster County33
- Schenectady County32
- Delaware County32
- Columbia County32
- Sullivan County32
- Madison County31
- Montgomery County31
- Broome County31
- Schoharie County31
- Cortland County30
- Tioga County30
- Chemung County29
- Orange County29
- Onondaga County28
- Tompkins County28
- Hamilton County28
- Herkimer County28
- Oneida County27
- Putnam County26
- Seneca County25
- Rockland County24
- Cayuga County23
- Ontario County23
- Schuyler County23
- Yates County23
- Essex County23
- Steuben County22
- Lewis County22
- Oswego County22
- Bronx County20
22 more counties
- New York County20
- Richmond County20
- Westchester County20
- Livingston County19
- Kings County18
- Allegany County18
- Cattaraugus County18
- Wayne County17
- Wyoming County17
- Nassau County16
- Franklin County16
- Queens County15
- Clinton County15
- Chautauqua County15
- Suffolk County14
- Erie County14
- Genesee County11
- Jefferson County11
- St. Lawrence County11
- Monroe County10
- Orleans County9
- Niagara County5
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.