Alert archive / New York / Oswego County

Weather alerts in Oswego County, New York, 2023

128 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Oswego County and its neighbors

Each county as a circle sized by its count in 2023. Tap one for its archive.

Alerts
128
Warnings
45
Watches
18
Advisories
21
Busiest month
July31 alerts
Busiest day
August 7, 20238 alerts

Over time

By month

Warning verification

How often warnings here had a storm report inside them, and how much warning the reports had.

1 of 2 tornado warnings covering Oswego County in 2023 had a tornado report inside them.

Oswego County, 2023

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings2150%0
Severe thunderstorm warnings261831%31100%27 min
Flash flood warnings220%7100%172 min

Each office's whole area, 2023

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Buffalo, NY: tornado warnings5340%475%23 min
NWS Buffalo, NY: severe thunderstorm warnings785431%21596%26 min
NWS Buffalo, NY: flash flood warnings161319%45100%83 min

An office's figures cover every county it serves, including across state lines.

Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.

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.

IssuedProductOfficeLasted
Jan 16, 2:59 PM ESTWinter Weather AdvisoryBUF32 hr
Jan 18, 2:50 PM ESTWinter Weather AdvisoryBUF55 hr
Jan 23, 12:54 PM ESTWinter Weather AdvisoryBUF29 hr
Jan 24, 2:44 PM ESTWinter Storm WarningBUF51 hr
Jan 30, 3:41 AM ESTWinter Weather AdvisoryBUF30 hr
Jan 31, 2:47 PM ESTWind Chill WatchBUF25 hr
Jan 31, 2:47 PM ESTWinter Weather AdvisoryBUF22 hr
Feb 1, 12:44 PM ESTLake Effect Snow WarningBUF15 hr
Feb 1, 3:47 PM ESTWind Chill WarningBUF69 hr
Feb 2, 8:36 PM ESTMesoscale DiscussionSPC4 hr
Feb 2, 8:59 PM ESTSnow Squall WarningBUF61 min
Feb 2, 9:06 PM ESTSnow Squall WarningBUF54 min
Feb 2, 9:58 PM ESTSnow Squall WarningBUF32 min
Feb 16, 3:48 AM ESTWinter Weather AdvisoryBUF33 hr
Feb 21, 3:13 AM ESTWinter Storm WatchBUF24 hr
Feb 21, 2:23 PM ESTWinter Weather AdvisoryBUF58 hr
Feb 22, 8:59 PM ESTMesoscale DiscussionSPC6 hr
Feb 26, 3:07 AM ESTWinter Storm WatchBUF24 hr
Feb 27, 3:22 AM ESTWinter Weather AdvisoryBUF35 hr
Feb 28, 7:31 AM ESTSpecial Weather StatementBUF119 min
Mar 2, 3:22 AM ESTWinter Storm WatchBUF24 hr
Mar 3, 3:31 AM ESTWinter Storm WarningBUF33 hr
Mar 12, 4:03 AM EDTWinter Storm WatchBUF24 hr
Mar 13, 4:01 AM EDTWinter Storm WarningBUF48 hr
Mar 17, 2:04 PM EDTLake Effect Snow WarningBUF54 hr
Mar 24, 2:02 PM EDTWind AdvisoryBUF45 hr
Mar 25, 3:45 AM EDTLakeshore Flood WarningBUF31 hr
Mar 29, 5:05 PM EDTMesoscale DiscussionSPC4 hr
Apr 5, 11:09 AM EDTSevere Thunderstorm WarningBUF66 min
Apr 22, 5:39 PM EDTSpecial Weather StatementBUF51 min
May 14, 12:54 PM EDTFrost AdvisoryBUF18 hr
May 17, 3:53 AM EDTFreeze WatchBUF7 hr
May 17, 10:57 AM EDTFreeze WarningBUF21 hr
May 24, 3:52 AM EDTBeach Hazards StatementBUF13 hr
May 25, 4:20 AM EDTFrost AdvisoryBUF28 hr
Jun 3, 3:57 AM EDTBeach Hazards StatementBUF25 hr
Jun 26, 1:11 PM EDTSevere Thunderstorm WatchSPC11 hr
Jun 26, 1:47 PM EDTSpecial Weather StatementBUF58 min
Jun 26, 2:51 PM EDTSevere Thunderstorm WarningBUF22 min
Jun 26, 6:11 PM EDTSpecial Weather StatementBUF64 min
Jun 26, 8:03 PM EDTMesoscale DiscussionSPC87 min
Jun 27, 8:30 PM EDTSpecial Weather StatementBUF45 min
Jul 1, 1:54 PM EDTMesoscale DiscussionSPC2 hr
Jul 5, 1:48 PM EDTHeat AdvisoryBUF30 hr
Jul 7, 1:15 PM EDTSpecial Weather StatementBUF45 min
Jul 7, 1:57 PM EDTSpecial Weather StatementBUF18 min
Jul 9, 2:28 PM EDTSpecial Weather StatementBUF47 min
Jul 9, 3:22 PM EDTSpecial Weather StatementBUF38 min
Jul 9, 4:07 PM EDTSpecial Weather StatementBUF38 min
Jul 9, 6:59 PM EDTSpecial Weather StatementBUF46 min
Jul 10, 9:22 AM EDTSpecial Weather StatementBUF53 min
Jul 10, 10:13 AM EDTSpecial Weather StatementBUF62 min
Jul 10, 10:20 AM EDTFlash Flood WarningBUF4 hr
Jul 10, 11:16 AM EDTFlood WatchBUF9 hr
Jul 12, 10:45 AM EDTFlood WatchBUF29 hr
Jul 13, 3:56 AM EDTBeach Hazards StatementBUF19 hr
Jul 13, 11:58 AM EDTMesoscale DiscussionSPC2 hr
Jul 13, 12:43 PM EDTSevere Thunderstorm WatchSPC9 hr
Jul 13, 1:20 PM EDTSevere Thunderstorm WarningBUF55 min
Jul 13, 1:40 PM EDTSevere Thunderstorm WarningBUF65 min
Jul 13, 2:08 PM EDTSevere Thunderstorm WarningBUF67 min
Jul 13, 2:33 PM EDTSevere Thunderstorm WarningBUF57 min
Jul 18, 12:11 PM EDTMesoscale DiscussionSPC2 hr
Jul 20, 6:19 PM EDTSevere Thunderstorm WatchSPC9 hr
Jul 20, 10:07 PM EDTMesoscale DiscussionSPC113 min
Jul 21, 3:48 AM EDTBeach Hazards StatementBUF22 hr
Jul 24, 11:58 AM EDTMesoscale DiscussionSPC2 hr
Jul 24, 1:06 PM EDTSevere Thunderstorm WatchSPC7 hr
Jul 24, 2:56 PM EDTMesoscale DiscussionSPC2 hr
Jul 24, 3:19 PM EDTSevere Thunderstorm WarningBUF56 min
Jul 24, 3:35 PM EDTSevere Thunderstorm WarningBUF55 min
Jul 24, 3:51 PM EDTSevere Thunderstorm WarningBUF43 min
Jul 27, 10:12 AM EDTHeat AdvisoryBUF33 hr
Aug 3, 7:33 PM EDTMesoscale DiscussionSPC2 hr
Aug 3, 8:24 PM EDTSpecial Weather StatementBUF36 min
Aug 3, 8:36 PM EDTSevere Thunderstorm WarningBUF39 min
Aug 3, 9:01 PM EDTSevere Thunderstorm WarningBUF59 min
Aug 3, 9:16 PM EDTSevere Thunderstorm WarningBUF44 min
Aug 3, 9:27 PM EDTSpecial Weather StatementBUF33 min
Aug 3, 9:56 PM EDTSevere Thunderstorm WarningBUF36 min
Aug 4, 12:10 PM EDTSevere Thunderstorm WatchSPC10 hr
Aug 7, 3:16 PM EDTSpecial Weather StatementBUF44 min
Aug 7, 3:59 PM EDTSevere Thunderstorm WarningBUF46 min
Aug 7, 4:07 PM EDTBeach Hazards StatementBUF30 hr
Aug 7, 4:45 PM EDTSevere Thunderstorm WarningBUF45 min
Aug 7, 4:58 PM EDTSevere Thunderstorm WarningBUF62 min
Aug 7, 5:59 PM EDTSevere Thunderstorm WarningBUF61 min
Aug 7, 6:51 PM EDTSevere Thunderstorm WarningBUF54 min
Aug 7, 6:57 PM EDTTornado WarningBUF33 min
Aug 7, 9:09 PM EDTFlash Flood WarningBUF4 hr
Aug 12, 12:15 PM EDTSpecial Weather StatementBUF30 min
Aug 12, 12:50 PM EDTTornado WatchSPC8 hr
Aug 12, 2:07 PM EDTSevere Thunderstorm WarningBUF53 min
Aug 12, 4:04 PM EDTMesoscale DiscussionSPC116 min
Aug 12, 6:57 PM EDTSevere Thunderstorm WarningBUF63 min
Aug 12, 7:01 PM EDTSevere Thunderstorm WarningBUF44 min
Aug 12, 7:29 PM EDTTornado WarningBUF35 min
Aug 12, 7:44 PM EDTSevere Thunderstorm WarningBUF61 min
Aug 13, 4:33 AM EDTBeach Hazards StatementBUF18 hr
Aug 18, 4:52 AM EDTBeach Hazards StatementBUF45 hr
Aug 25, 6:04 AM EDTSpecial Weather StatementBUF41 min
Aug 30, 4:25 AM EDTBeach Hazards StatementBUF22 hr
Sep 4, 2:04 PM EDTHeat AdvisoryBUF29 hr
Sep 5, 3:40 PM EDTHeat AdvisoryBUF27 hr
Sep 6, 11:17 PM EDTSevere Thunderstorm WarningBUF58 min
Sep 7, 6:14 PM EDTSevere Thunderstorm WarningBUF61 min
Sep 7, 6:33 PM EDTSevere Thunderstorm WarningBUF57 min
Sep 7, 7:28 PM EDTSevere Thunderstorm WarningBUF47 min
Sep 19, 3:59 AM EDTBeach Hazards StatementBUF18 hr
Oct 8, 3:55 AM EDTFlood WatchBUF27 hr
Oct 8, 5:07 AM EDTSpecial Weather StatementBUF83 min
Oct 8, 6:37 AM EDTSpecial Weather StatementBUF83 min
Oct 8, 7:31 AM EDTAreal Flood WarningBUF6 hr
Oct 8, 1:13 PM EDTAreal Flood WarningBUF6 hr
Nov 1, 7:24 AM EDTSpecial Weather StatementBUF66 min
Nov 8, 3:37 AM ESTWinter Weather AdvisoryBUF29 hr
Nov 20, 2:28 PM ESTWinter Weather AdvisoryBUF34 hr
Nov 25, 2:43 PM ESTWinter Storm WatchBUF13 hr
Nov 26, 3:48 AM ESTLake Effect Snow WarningBUF3 days
Nov 27, 7:06 PM ESTSpecial Weather StatementBUF114 min
Nov 28, 2:16 AM ESTMesoscale DiscussionSPC4 hr
Dec 9, 2:24 PM ESTWinter Storm WatchBUF13 hr
Dec 10, 3:37 AM ESTWinter Weather AdvisoryBUF36 hr
Dec 11, 12:55 PM ESTWinter Storm WatchBUF15 hr
Dec 12, 3:51 AM ESTWinter Weather AdvisoryBUF38 hr
Dec 18, 10:17 AM ESTAreal Flood WarningBUF12 hr
Dec 24, 6:31 PM ESTDense Fog AdvisoryBUF9 hr
Dec 28, 9:07 AM ESTDense Fog AdvisoryBUF22 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20222024

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.