Alert archive / New York / Mesoscale Discussions
Mesoscale Discussions in New York, 2018
88 mesoscale discussions in 2018. 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 2018. Tap one for its archive.
- Mesoscale Discussions
- 88
- Busiest month
- May15 mesoscale discussions
- Busiest day
- May 4, 20186 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 4, 6:06 AM EST | Mesoscale Discussion | SPC | Bronx, Kings, Nassau, New York, Queens, Richmond and 2 more | 6 hr |
| Jan 12, 2:58 PM EST | Mesoscale Discussion | SPC | Chautauqua, Erie, Genesee, Niagara, Wyoming | 4 hr |
| Jan 12, 7:04 PM EST | Mesoscale Discussion | SPC | Allegany, Broome, Cattaraugus, Cayuga, Chemung, Chenango and 32 more | 6 hr |
| Jan 13, 12:56 AM EST | Mesoscale Discussion | SPC | Albany, Broome, Chenango, Columbia, Delaware, Dutchess and 13 more | 6 hr |
| Jan 13, 3:47 AM EST | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Cayuga, Chemung, Clinton, Cortland and 22 more | 6 hr |
| Jan 22, 3:25 PM EST | Mesoscale Discussion | SPC | Clinton, Essex, Franklin, Fulton, Hamilton, Herkimer and 4 more | 6 hr |
| Feb 4, 6:32 PM EST | Mesoscale Discussion | SPC | Albany, Broome, Chenango, Columbia, Delaware, Fulton and 12 more | 4 hr |
| Feb 7, 5:28 AM EST | Mesoscale Discussion | SPC | Allegany, Broome, Cattaraugus, Cayuga, Chautauqua, Chemung and 20 more | 5 hr |
| Feb 7, 11:25 AM EST | Mesoscale Discussion | SPC | Albany, Broome, Cayuga, Chemung, Chenango, Columbia and 32 more | 6 hr |
| Feb 17, 6:32 PM EST | Mesoscale Discussion | SPC | Bronx, Dutchess, Kings, New York, Orange, Putnam and 4 more | 4 hr |
| Mar 1, 8:43 PM EST | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston and 6 more | 6 hr |
| Mar 2, 3:15 AM EST | Mesoscale Discussion | SPC | Albany, Broome, Chenango, Columbia, Cortland, Delaware and 19 more | 6 hr |
| Mar 7, 8:47 AM EST | Mesoscale Discussion | SPC | Orange | 4 hr |
| Mar 7, 1:25 PM EST | Mesoscale Discussion | SPC | Bronx, Dutchess, Kings, Nassau, New York, Orange and 6 more | 6 hr |
| Mar 21, 8:57 PM EDT | Mesoscale Discussion | SPC | Bronx, Kings, Nassau, New York, Queens, Richmond and 2 more | 6 hr |
| Apr 2, 3:47 AM EDT | Mesoscale Discussion | SPC | Bronx, Kings, Nassau, New York, Queens, Richmond and 3 more | 6 hr |
| Apr 14, 7:55 PM EDT | Mesoscale Discussion | SPC | Cayuga, Erie, Genesee, Hamilton, Herkimer, Jefferson and 11 more | 5 hr |
| Apr 28, 3:11 PM EDT | Mesoscale Discussion | SPC | Orange, Sullivan, Ulster | 2 hr |
| May 3, 6:03 PM EDT | Mesoscale Discussion | SPC | Bronx, New York, Rockland, Westchester | 2 hr |
| May 4, 1:04 PM EDT | Mesoscale Discussion | SPC | Cattaraugus, Chautauqua, Erie, Genesee, Livingston, Monroe and 1 more | 86 min |
| May 4, 2:18 PM EDT | Mesoscale Discussion | SPC | Clinton, Essex, Franklin, Fulton, Hamilton, Herkimer and 5 more | 87 min |
| May 4, 2:23 PM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Cayuga, Chemung, Cortland, Erie and 17 more | 97 min |
| May 4, 4:20 PM EDT | Mesoscale Discussion | SPC | Allegany, Broome, Cattaraugus, Cayuga, Chautauqua, Chemung and 21 more | 55 min |
| May 4, 5:52 PM EDT | Mesoscale Discussion | SPC | Albany, Columbia, Delaware, Dutchess, Greene, Montgomery and 11 more | 83 min |
| May 4, 6:48 PM EDT | Mesoscale Discussion | SPC | Clinton, Essex, Franklin, Fulton, Hamilton, Herkimer and 5 more | 117 min |
| May 4, 8:50 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Chenango, Columbia, Delaware, Dutchess and 13 more | 85 min |
| May 10, 4:23 PM EDT | Mesoscale Discussion | SPC | Delaware, Greene, Schoharie, Sullivan, Ulster | 97 min |
| May 15, 11:43 AM EDT | Mesoscale Discussion | SPC | Albany, Broome, Chemung, Chenango, Columbia, Cortland and 15 more | 3 hr |
| May 15, 2:14 PM EDT | Mesoscale Discussion | SPC | Broome | 2 hr |
| May 15, 2:38 PM EDT | Mesoscale Discussion | SPC | Columbia, Dutchess, Greene, Sullivan, Ulster | 2 hr |
| May 15, 3:33 PM EDT | Mesoscale Discussion | SPC | Bronx, Dutchess, Kings, Nassau, New York, Orange and 6 more | 117 min |
| May 26, 1:09 PM EDT | Mesoscale Discussion | SPC | Essex, Washington | 3 hr |
| May 28, 2:16 PM EDT | Mesoscale Discussion | SPC | Broome, Chemung, Chenango, Cortland, Delaware, Madison and 5 more | 2 hr |
| Jun 13, 3:30 PM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Cayuga, Chautauqua, Chemung, Chenango and 28 more | 60 min |
| Jun 13, 7:12 PM EDT | Mesoscale Discussion | SPC | Allegany, Broome, Cattaraugus, Cayuga, Chautauqua, Chemung and 32 more | 93 min |
| Jun 13, 10:46 PM EDT | Mesoscale Discussion | SPC | Kings, New York, Queens, Richmond | 59 min |
| Jun 18, 12:19 PM EDT | Mesoscale Discussion | SPC | Cayuga, Chenango, Cortland, Essex, Fulton, Genesee and 22 more | 116 min |
| Jun 18, 4:04 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Chemung, Chenango, Columbia, Cortland and 14 more | 26 min |
| Jun 18, 5:55 PM EDT | Mesoscale Discussion | SPC | Bronx, Dutchess, Kings, New York, Orange, Putnam and 4 more | 2 hr |
| Jun 24, 6:16 PM EDT | Mesoscale Discussion | SPC | Bronx, Kings, New York, Orange, Putnam, Queens and 4 more | 119 min |
| Jun 30, 5:07 PM EDT | Mesoscale Discussion | SPC | Clinton, Franklin, St. Lawrence | 83 min |
| Jun 30, 10:10 PM EDT | Mesoscale Discussion | SPC | Clinton, Essex, Franklin, St. Lawrence | 2 hr |
| Jul 2, 1:03 PM EDT | Mesoscale Discussion | SPC | Allegany, Cayuga, Chemung, Cortland, Livingston, Onondaga and 8 more | 72 min |
| Jul 10, 12:57 PM EDT | Mesoscale Discussion | SPC | Clinton, Essex, Franklin, Fulton, Hamilton, Herkimer and 7 more | 3 hr |
| Jul 10, 4:22 PM EDT | Mesoscale Discussion | SPC | Albany, Columbia, Delaware, Fulton, Greene, Hamilton and 9 more | 2 hr |
| Jul 17, 10:35 AM EDT | Mesoscale Discussion | SPC | Columbia, Dutchess, Greene, Putnam, Sullivan, Ulster | 115 min |
| Jul 17, 11:49 AM EDT | Mesoscale Discussion | SPC | Bronx, Kings, Nassau, New York, Orange, Putnam and 4 more | 116 min |
| Jul 22, 5:08 AM EDT | Mesoscale Discussion | SPC | Suffolk | 3 hr |
| Jul 23, 2:40 PM EDT | Mesoscale Discussion | SPC | Broome, Cayuga, Chemung, Chenango, Cortland, Madison and 7 more | 3 hr |
| Jul 26, 4:30 PM EDT | Mesoscale Discussion | SPC | Chautauqua | 2 hr |
| Jul 27, 12:59 PM EDT | Mesoscale Discussion | SPC | Albany, Columbia, Delaware, Dutchess, Greene, Montgomery and 10 more | 91 min |
| Jul 27, 4:50 PM EDT | Mesoscale Discussion | SPC | Albany, Bronx, Columbia, Delaware, Dutchess, Greene and 12 more | 55 min |
| Jul 27, 7:06 PM EDT | Mesoscale Discussion | SPC | Bronx, Columbia, Dutchess, Kings, Nassau, New York and 9 more | 54 min |
| Jul 28, 3:03 PM EDT | Mesoscale Discussion | SPC | Albany, Clinton, Columbia, Dutchess, Essex, Greene and 6 more | 57 min |
| Aug 1, 1:48 PM EDT | Mesoscale Discussion | SPC | Bronx, Dutchess, Kings, New York, Orange, Putnam and 4 more | 2 hr |
| Aug 3, 11:45 AM EDT | Mesoscale Discussion | SPC | Albany, Columbia, Greene, Rensselaer, Sullivan, Ulster | 2 hr |
| Aug 3, 4:15 PM EDT | Mesoscale Discussion | SPC | Columbia, Dutchess | 60 min |
| Aug 6, 3:12 PM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Cayuga, Chautauqua, Erie, Genesee and 12 more | 3 hr |
| Aug 7, 1:03 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Chenango, Columbia, Delaware, Dutchess and 14 more | 117 min |
| Aug 15, 3:04 PM EDT | Mesoscale Discussion | SPC | Cayuga, Essex, Franklin, Hamilton, Herkimer, Jefferson and 8 more | 2 hr |
| Aug 17, 2:42 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Chenango, Columbia, Delaware, Dutchess and 14 more | 3 hr |
| Aug 17, 7:31 PM EDT | Mesoscale Discussion | SPC | Kings, New York, Richmond, Rockland, Westchester | 89 min |
| Aug 18, 12:11 PM EDT | Mesoscale Discussion | SPC | Bronx, Columbia, Dutchess, Greene, Kings, Nassau and 10 more | 2 hr |
| Aug 29, 1:19 PM EDT | Mesoscale Discussion | SPC | Clinton, Essex, Franklin, Hamilton, Herkimer, Jefferson and 2 more | 116 min |
| Aug 29, 6:16 PM EDT | Mesoscale Discussion | SPC | Warren, Washington | 89 min |
| Aug 29, 6:16 PM EDT | Mesoscale Discussion | SPC | Warren, Washington | 89 min |
| Sep 3, 1:34 PM EDT | Mesoscale Discussion | SPC | Clinton | 116 min |
| Sep 6, 12:09 PM EDT | Mesoscale Discussion | SPC | Albany, Columbia, Fulton, Montgomery, Rensselaer, Saratoga and 3 more | 3 hr |
| Sep 6, 1:20 PM EDT | Mesoscale Discussion | SPC | Broome, Sullivan | 2 hr |
| Sep 21, 4:27 PM EDT | Mesoscale Discussion | SPC | Allegany, Cayuga, Franklin, Genesee, Jefferson, Lewis and 12 more | 63 min |
| Sep 21, 7:04 PM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Cayuga, Chemung, Cortland, Genesee and 16 more | 116 min |
| Sep 25, 5:38 PM EDT | Mesoscale Discussion | SPC | Bronx, Kings, Nassau, New York, Queens, Richmond and 2 more | 2 hr |
| Sep 26, 2:43 PM EDT | Mesoscale Discussion | SPC | Clinton, Essex, Franklin, Fulton, Hamilton, Herkimer and 4 more | 2 hr |
| Sep 26, 2:48 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Chemung, Chenango, Columbia, Cortland and 8 more | 2 hr |
| Oct 2, 3:10 PM EDT | Mesoscale Discussion | SPC | Bronx, Dutchess, Kings, New York, Orange, Putnam and 3 more | 2 hr |
| Oct 2, 4:05 PM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Chautauqua, Erie, Livingston, Ontario and 5 more | 115 min |
| Oct 2, 4:43 PM EDT | Mesoscale Discussion | SPC | Sullivan | 2 hr |
| Oct 2, 7:24 PM EDT | Mesoscale Discussion | SPC | Dutchess, Orange, Putnam, Rockland, Sullivan, Westchester | 81 min |
| Nov 15, 9:56 AM EST | Mesoscale Discussion | SPC | Orange, Richmond, Rockland | 6 hr |
| Nov 15, 4:39 PM EST | Mesoscale Discussion | SPC | Albany, Allegany, Bronx, Broome, Chemung, Chenango and 26 more | 6 hr |
| Nov 15, 10:06 PM EST | Mesoscale Discussion | SPC | Albany, Broome, Cayuga, Chemung, Chenango, Columbia and 33 more | 6 hr |
| Nov 16, 3:56 AM EST | Mesoscale Discussion | SPC | Albany, Broome, Cayuga, Chemung, Chenango, Clinton and 32 more | 6 hr |
| Nov 21, 9:09 AM EST | Mesoscale Discussion | SPC | Cayuga, Clinton, Essex, Franklin, Fulton, Hamilton and 10 more | 4 hr |
| Nov 24, 10:08 AM EST | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Chemung, Schuyler, Steuben, Tioga and 2 more | 5 hr |
| Nov 26, 8:34 PM EST | Mesoscale Discussion | SPC | Clinton, Essex, Franklin, Hamilton, Herkimer, Warren | 6 hr |
| Dec 16, 9:24 PM EST | Mesoscale Discussion | SPC | Albany, Columbia, Rensselaer, Saratoga, Schenectady, Washington | 4 hr |
| Dec 16, 9:36 PM EST | Mesoscale Discussion | SPC | Albany, Columbia, Rensselaer, Saratoga, Schenectady, Washington | 4 hr |
| Dec 28, 2:59 AM EST | Mesoscale Discussion | SPC | Clinton, Essex, Franklin, Fulton, Hamilton, Herkimer and 8 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Orange County28
- Columbia County27
- Saratoga County26
- Dutchess County26
- Washington County25
- Sullivan County25
- Fulton County24
- Greene County23
- Ulster County23
- Delaware County22
- Herkimer County22
- Schenectady County22
- Albany County22
- Rensselaer County22
- Rockland County22
- Westchester County21
- Broome County21
- Chenango County21
- Hamilton County21
- Montgomery County21
- Schoharie County21
- Tioga County21
- Warren County21
- Cortland County20
- Lewis County20
- Onondaga County20
- Otsego County20
- Putnam County20
- New York County19
- Richmond County19
- Cayuga County19
- Chemung County19
- Essex County19
- Oneida County19
- Oswego County19
- Schuyler County19
- Seneca County19
- Kings County18
- Franklin County18
- Madison County18
22 more counties
- Tompkins County18
- Bronx County17
- Clinton County17
- Ontario County17
- Steuben County17
- Wyoming County16
- Jefferson County16
- Livingston County16
- Yates County16
- Queens County15
- Allegany County15
- St. Lawrence County15
- Wayne County15
- Genesee County13
- Cattaraugus County13
- Monroe County11
- Nassau County10
- Chautauqua County10
- Erie County10
- Suffolk County9
- Orleans County7
- Niagara County5
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.