Alert archive / New York / Genesee County

Weather alerts in Genesee County, New York, 2016

95 weather alerts in 2016, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Genesee County and its neighbors

Each county as a circle sized by its count in 2016. Tap one for its archive.

Alerts
95
Warnings
19
Watches
8
Advisories
31
Busiest month
July15 alerts
Busiest day
July 25, 20166 alerts

Over time

By month

Warning verification

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

Genesee County, 2016

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings13838%683%24 min
Flash flood warnings00

Each office's whole area, 2016

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Buffalo, NY: tornado warnings40100%0
NWS Buffalo, NY: severe thunderstorm warnings875636%16283%27 min
NWS Buffalo, NY: flash flood warnings9456%1164%55 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 2, 12:37 PM ESTWinter Weather AdvisoryBUF9 hr
Jan 2, 3:31 PM ESTLake Effect Snow AdvisoryBUF29 hr
Jan 9, 12:40 PM ESTWind AdvisoryBUF35 hr
Jan 10, 3:40 PM ESTLake Effect Snow AdvisoryBUF32 hr
Jan 11, 3:19 PM ESTLake Effect Snow AdvisoryBUF29 hr
Jan 11, 4:53 PM ESTSpecial Weather StatementBUF82 min
Jan 12, 12:37 PM ESTSpecial Weather StatementBUF83 min
Jan 13, 5:38 AM ESTLake Effect Snow AdvisoryBUF24 hr
Jan 14, 1:41 PM ESTWinter Weather AdvisoryBUF8 hr
Jan 16, 4:00 AM ESTLake Effect Snow WatchBUF11 hr
Jan 16, 3:09 PM ESTLake Effect Snow AdvisoryBUF27 hr
Jan 25, 3:35 PM ESTWind AdvisoryBUF26 hr
Feb 9, 3:38 PM ESTLake Effect Snow WarningBUF3 days
Feb 10, 3:57 PM ESTLake Effect Snow WatchBUF24 hr
Feb 11, 10:00 AM ESTWind Chill WatchBUF18 hr
Feb 12, 3:46 AM ESTWind Chill WarningBUF57 hr
Feb 12, 6:27 PM ESTSpecial Weather StatementBUF2 hr
Feb 14, 3:25 PM ESTWinter Storm WatchBUF21 hr
Feb 15, 3:34 AM ESTWinter Storm WarningBUF41 hr
Feb 18, 3:37 PM ESTFreezing Rain AdvisoryBUF21 hr
Feb 23, 3:49 AM ESTWinter Weather AdvisoryBUF39 hr
Feb 24, 12:24 PM ESTSpecial Weather StatementBUF3 hr
Feb 26, 12:38 PM ESTWind AdvisoryBUF30 hr
Feb 29, 3:34 AM ESTWind AdvisoryBUF17 hr
Feb 29, 3:45 PM ESTWinter Storm WatchBUF12 hr
Mar 1, 3:41 AM ESTWinter Weather AdvisoryBUF33 hr
Mar 16, 1:37 PM EDTSpecial Weather StatementBUF38 min
Mar 16, 2:34 PM EDTWind AdvisoryBUF27 hr
Mar 17, 7:13 PM EDTSpecial Weather StatementBUF62 min
Mar 17, 7:43 PM EDTSpecial Weather StatementBUF47 min
Mar 22, 2:36 PM EDTWinter Weather AdvisoryBUF49 hr
Mar 27, 8:47 PM EDTWind AdvisoryBUF29 hr
Apr 1, 2:39 PM EDTWinter Weather AdvisoryBUF38 hr
Apr 2, 8:46 PM EDTSpecial Weather StatementBUF119 min
Apr 3, 4:55 AM EDTWinter Weather AdvisoryBUF33 hr
Apr 3, 2:59 PM EDTWinter Storm WarningBUF11 hr
May 9, 5:36 PM EDTFrost AdvisoryBUF14 hr
Jun 20, 9:30 PM EDTSevere Thunderstorm WarningBUF45 min
Jun 20, 10:11 PM EDTSevere Thunderstorm WarningBUF49 min
Jul 1, 4:50 PM EDTSevere Thunderstorm WarningBUF25 min
Jul 1, 5:19 PM EDTSpecial Weather StatementBUF26 min
Jul 8, 10:16 AM EDTSpecial Weather StatementBUF44 min
Jul 8, 9:22 PM EDTMesoscale DiscussionSPC53 min
Jul 9, 2:07 PM EDTSpecial Weather StatementBUF53 min
Jul 14, 1:41 AM EDTSpecial Weather StatementBUF34 min
Jul 14, 1:57 AM EDTSevere Thunderstorm WarningBUF33 min
Jul 18, 5:15 AM EDTSevere Thunderstorm WarningBUF43 min
Jul 18, 11:51 AM EDTSpecial Weather StatementBUF39 min
Jul 25, 7:22 AM EDTSpecial Weather StatementBUF23 min
Jul 25, 7:50 AM EDTSpecial Weather StatementBUF55 min
Jul 25, 10:47 AM EDTSpecial Weather StatementBUF43 min
Jul 25, 10:51 AM EDTMesoscale DiscussionSPC114 min
Jul 25, 4:44 PM EDTSpecial Weather StatementBUF46 min
Jul 25, 5:58 PM EDTSpecial Weather StatementBUF32 min
Aug 10, 2:29 AM EDTSpecial Weather StatementBUF61 min
Aug 13, 12:34 PM EDTSpecial Weather StatementBUF41 min
Aug 13, 3:05 PM EDTSevere Thunderstorm WarningBUF55 min
Aug 13, 3:11 PM EDTMesoscale DiscussionSPC2 hr
Aug 13, 3:51 PM EDTSevere Thunderstorm WarningBUF54 min
Aug 20, 5:57 PM EDTSpecial Weather StatementBUF33 min
Aug 25, 8:43 PM EDTSpecial Weather StatementBUF62 min
Aug 28, 3:56 PM EDTSevere Thunderstorm WarningBUF49 min
Aug 31, 6:53 PM EDTSpecial Weather StatementBUF52 min
Sep 10, 3:30 PM EDTSevere Thunderstorm WatchSPC6 hr
Sep 10, 4:38 PM EDTMesoscale DiscussionSPC2 hr
Sep 10, 7:26 PM EDTSevere Thunderstorm WarningBUF49 min
Sep 10, 8:04 PM EDTSevere Thunderstorm WarningBUF41 min
Sep 10, 8:06 PM EDTMesoscale DiscussionSPC84 min
Sep 10, 9:27 PM EDTSpecial Weather StatementBUF48 min
Sep 17, 6:13 PM EDTSevere Thunderstorm WarningBUF47 min
Sep 17, 6:37 PM EDTSevere Thunderstorm WarningBUF53 min
Sep 17, 6:42 PM EDTSevere Thunderstorm WarningBUF48 min
Sep 17, 6:55 PM EDTMesoscale DiscussionSPC65 min
Oct 10, 3:55 AM EDTFrost AdvisoryBUF29 hr
Oct 13, 7:34 PM EDTFrost AdvisoryBUF12 hr
Oct 17, 1:21 PM EDTWind AdvisoryBUF30 hr
Oct 20, 4:05 PM EDTFlash Flood WatchBUF23 hr
Nov 10, 3:19 AM ESTWind AdvisoryBUF18 hr
Nov 18, 2:31 PM ESTLake Effect Snow WarningBUF4 days
Nov 19, 3:59 AM ESTLake Effect Snow AdvisoryBUF53 hr
Nov 21, 1:36 AM ESTSpecial Weather StatementBUF114 min
Nov 23, 9:35 AM ESTWinter Weather AdvisoryBUF24 hr
Dec 9, 8:53 AM ESTSpecial Weather StatementBUF52 min
Dec 9, 7:21 PM ESTSpecial Weather StatementBUF84 min
Dec 10, 2:49 PM ESTWinter Weather AdvisoryBUF43 hr
Dec 12, 11:30 AM ESTLake Effect Snow WatchBUF24 hr
Dec 13, 11:58 AM ESTLake Effect Snow WarningBUF66 hr
Dec 14, 3:27 PM ESTWinter Weather AdvisoryBUF36 hr
Dec 14, 5:45 PM ESTSpecial Weather StatementBUF105 min
Dec 14, 7:38 PM ESTSpecial Weather StatementBUF112 min
Dec 14, 9:37 PM ESTSpecial Weather StatementBUF113 min
Dec 15, 6:10 PM ESTSpecial Weather StatementBUF110 min
Dec 16, 3:22 AM ESTWinter Weather AdvisoryBUF57 hr
Dec 25, 12:51 PM ESTFreezing Rain AdvisoryBUF30 hr
Dec 27, 11:50 PM ESTWinter Weather AdvisoryBUF4 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 archive20152017

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.