Alert archive / New York / Monroe County

Weather alerts in Monroe County, New York, 2023

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

Monroe County and its neighbors

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

Alerts
92
Warnings
23
Watches
6
Advisories
24
Busiest month
July25 alerts
Busiest day
June 26, 20235 alerts

Over time

By month

Warning verification

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

Monroe County, 2023

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings11109%13100%21 min
Flash flood warnings6350%3100%88 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 12, 12:17 PM ESTWinter Weather AdvisoryBUF39 hr
Jan 16, 2:59 PM ESTWinter Weather AdvisoryBUF32 hr
Jan 18, 2:50 PM ESTWinter Weather AdvisoryBUF55 hr
Jan 24, 2:44 PM ESTWinter Storm WarningBUF51 hr
Jan 24, 2:44 PM ESTWinter Weather AdvisoryBUF64 hr
Feb 2, 3:47 AM ESTWind Chill AdvisoryBUF54 hr
Feb 2, 8:36 PM ESTMesoscale DiscussionSPC4 hr
Feb 2, 8:59 PM ESTSnow Squall WarningBUF61 min
Feb 3, 3:23 AM ESTWinter Weather AdvisoryBUF24 hr
Feb 7, 3:03 PM ESTHigh Wind WatchBUF23 hr
Feb 8, 2:26 PM ESTHigh Wind WarningBUF41 hr
Feb 14, 1:53 PM ESTWind AdvisoryBUF29 hr
Feb 16, 3:48 AM ESTWinter Weather AdvisoryBUF33 hr
Feb 21, 2:23 PM ESTWinter Weather AdvisoryBUF58 hr
Feb 27, 3:22 AM ESTWinter Weather AdvisoryBUF35 hr
Mar 3, 3:31 AM ESTWinter Weather AdvisoryBUF33 hr
Mar 9, 3:12 AM ESTWinter Weather AdvisoryBUF50 hr
Mar 10, 1:43 PM ESTMesoscale DiscussionSPC3 hr
Mar 13, 4:01 AM EDTWinter Weather AdvisoryBUF48 hr
Mar 17, 3:48 PM EDTSpecial Weather StatementBUF42 min
Mar 23, 3:55 PM EDTHigh Wind WatchBUF22 hr
Mar 24, 2:02 PM EDTHigh Wind WarningBUF38 hr
Mar 24, 2:02 PM EDTWind AdvisoryBUF45 hr
Mar 29, 5:05 PM EDTMesoscale DiscussionSPC4 hr
Mar 29, 5:11 PM EDTSpecial Weather StatementBUF94 min
Mar 31, 1:37 PM EDTWind AdvisoryBUF29 hr
Apr 1, 11:59 AM EDTSevere Thunderstorm WatchSPC5 hr
Apr 1, 2:52 PM EDTSevere Thunderstorm WarningBUF53 min
Apr 1, 3:45 PM EDTSevere Thunderstorm WarningBUF62 min
Apr 5, 2:05 PM EDTSpecial Weather StatementBUF25 min
Apr 5, 2:08 PM EDTSevere Thunderstorm WarningBUF37 min
Apr 6, 1:50 AM EDTAreal Flood AdvisoryBUF12 hr
Apr 16, 8:35 PM EDTSevere Thunderstorm WarningBUF55 min
May 17, 10:57 AM EDTFreeze WarningBUF21 hr
Jun 3, 3:57 AM EDTBeach Hazards StatementBUF25 hr
Jun 24, 6:44 PM EDTFlash Flood WarningBUF107 min
Jun 26, 12:09 AM EDTSpecial Weather StatementBUF36 min
Jun 26, 12:36 PM EDTMesoscale DiscussionSPC2 hr
Jun 26, 1:11 PM EDTSevere Thunderstorm WatchSPC11 hr
Jun 26, 2:05 PM EDTSevere Thunderstorm WarningBUF40 min
Jun 26, 3:21 PM EDTSevere Thunderstorm WarningBUF19 min
Jul 1, 1:56 PM EDTSpecial Weather StatementBUF64 min
Jul 2, 3:43 PM EDTFlash Flood WarningBUF2 hr
Jul 5, 1:48 PM EDTHeat AdvisoryBUF30 hr
Jul 7, 9:46 AM EDTSpecial Weather StatementBUF89 min
Jul 7, 10:53 AM EDTSpecial Weather StatementBUF52 min
Jul 13, 11:43 AM EDTSpecial Weather StatementBUF62 min
Jul 13, 12:34 PM EDTSevere Thunderstorm WarningBUF26 min
Jul 18, 12:10 PM EDTSevere Thunderstorm WarningBUF65 min
Jul 20, 4:56 PM EDTMesoscale DiscussionSPC94 min
Jul 20, 6:19 PM EDTSevere Thunderstorm WatchSPC9 hr
Jul 20, 8:46 PM EDTSevere Thunderstorm WarningBUF59 min
Jul 20, 9:39 PM EDTSevere Thunderstorm WarningBUF66 min
Jul 21, 3:48 AM EDTBeach Hazards StatementBUF22 hr
Jul 23, 3:11 PM EDTSpecial Weather StatementBUF34 min
Jul 23, 3:45 PM EDTSpecial Weather StatementBUF30 min
Jul 24, 1:21 PM EDTSpecial Weather StatementBUF39 min
Jul 24, 1:59 PM EDTSpecial Weather StatementBUF31 min
Jul 25, 4:01 PM EDTSpecial Weather StatementBUF29 min
Jul 25, 4:10 PM EDTSevere Thunderstorm WarningBUF35 min
Jul 25, 4:44 PM EDTFlash Flood WarningBUF3 hr
Jul 25, 5:27 PM EDTSpecial Weather StatementBUF33 min
Jul 27, 10:12 AM EDTHeat AdvisoryBUF33 hr
Jul 29, 4:12 AM EDTBeach Hazards StatementBUF16 hr
Jul 29, 7:50 AM EDTFlood WatchBUF8 hr
Jul 29, 11:26 AM EDTFlash Flood WarningBUF4 hr
Aug 6, 9:48 AM EDTBeach Hazards StatementBUF13 hr
Aug 7, 12:39 PM EDTMesoscale DiscussionSPC2 hr
Aug 7, 2:39 PM EDTSpecial Weather StatementBUF51 min
Aug 7, 4:07 PM EDTBeach Hazards StatementBUF30 hr
Aug 10, 2:56 PM EDTSpecial Weather StatementBUF49 min
Aug 14, 3:46 PM EDTBeach Hazards StatementBUF24 hr
Aug 15, 7:05 PM EDTMesoscale DiscussionSPC115 min
Aug 16, 2:20 AM EDTSpecial Weather StatementBUF115 min
Aug 16, 2:41 AM EDTFlash Flood WarningBUF7 hr
Aug 16, 5:08 AM EDTFlash Flood WarningBUF4 hr
Aug 17, 11:52 PM EDTSpecial Weather StatementBUF38 min
Aug 18, 4:52 AM EDTBeach Hazards StatementBUF45 hr
Aug 25, 4:39 AM EDTAreal Flood WarningBUF6 hr
Aug 30, 4:25 AM EDTBeach Hazards StatementBUF22 hr
Sep 3, 2:17 PM EDTHeat AdvisoryBUF29 hr
Sep 4, 2:04 PM EDTHeat AdvisoryBUF29 hr
Sep 5, 3:40 PM EDTHeat AdvisoryBUF27 hr
Sep 6, 6:39 PM EDTSpecial Weather StatementBUF36 min
Sep 7, 5:03 PM EDTSpecial Weather StatementBUF27 min
Sep 19, 3:59 AM EDTBeach Hazards StatementBUF18 hr
Sep 24, 3:54 AM EDTBeach Hazards StatementBUF42 hr
Nov 28, 2:16 AM ESTMesoscale DiscussionSPC4 hr
Nov 28, 3:29 PM ESTSpecial Weather StatementBUF91 min
Dec 18, 3:35 AM ESTWinter Weather AdvisoryBUF33 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.