Alert archive / New York / Orleans County

Weather alerts in Orleans County, New York, 2016

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

Orleans County and its neighbors

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

Alerts
93
Warnings
17
Watches
4
Advisories
36
Busiest month
December19 alerts
Busiest day
September 10, 20164 alerts

Over time

By month

Warning verification

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

Orleans County, 2016

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings10640%888%17 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 AdvisoryBUF45 hr
Jan 9, 12:40 PM ESTWind AdvisoryBUF35 hr
Jan 11, 3:19 PM ESTLake Effect Snow AdvisoryBUF29 hr
Jan 12, 12:37 PM ESTSpecial Weather StatementBUF83 min
Jan 13, 8:07 AM ESTSpecial Weather StatementBUF83 min
Jan 13, 9:38 AM ESTSpecial Weather StatementBUF67 min
Jan 14, 1:41 PM ESTWinter Weather AdvisoryBUF8 hr
Jan 16, 3:09 PM ESTLake Effect Snow AdvisoryBUF27 hr
Jan 17, 3:43 PM ESTLake Effect Snow AdvisoryBUF51 hr
Jan 20, 9:59 PM ESTSpecial Weather StatementBUF106 min
Jan 25, 3:35 PM ESTWind AdvisoryBUF26 hr
Feb 9, 3:38 PM ESTLake Effect Snow WarningBUF3 days
Feb 10, 4:00 AM ESTLake Effect Snow AdvisoryBUF12 hr
Feb 10, 11:47 AM ESTSpecial Weather StatementBUF88 min
Feb 10, 1:10 PM ESTSpecial Weather StatementBUF95 min
Feb 11, 10:00 AM ESTWind Chill WatchBUF18 hr
Feb 11, 3:35 PM ESTLake Effect Snow WarningBUF39 hr
Feb 11, 9:56 PM ESTLake Effect Snow AdvisoryBUF54 hr
Feb 12, 3:46 AM ESTWind Chill WarningBUF57 hr
Feb 12, 2:55 PM ESTSpecial Weather StatementBUF80 min
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 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, 12:24 PM EDTSpecial Weather StatementBUF81 min
Mar 16, 2:34 PM EDTWind AdvisoryBUF27 hr
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 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 6, 4:22 AM EDTBeach Hazards StatementBUF14 hr
Jun 7, 4:30 AM EDTBeach Hazards StatementBUF66 hr
Jun 11, 5:41 AM EDTSpecial Weather StatementBUF34 min
Jun 12, 4:03 AM EDTBeach Hazards StatementBUF17 hr
Jul 1, 4:50 PM EDTSevere Thunderstorm WarningBUF25 min
Jul 8, 9:22 PM EDTMesoscale DiscussionSPC53 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 25, 8:22 AM EDTSpecial Weather StatementBUF23 min
Jul 25, 10:47 AM EDTSpecial Weather StatementBUF43 min
Jul 29, 1:52 AM EDTBeach Hazards StatementBUF12 hr
Aug 12, 2:31 PM EDTSpecial Weather StatementBUF44 min
Aug 12, 2:46 PM EDTSevere Thunderstorm WarningBUF44 min
Aug 20, 6:28 PM EDTSpecial Weather StatementBUF47 min
Aug 20, 9:50 PM EDTBeach Hazards StatementBUF24 hr
Aug 28, 3:56 PM EDTSevere Thunderstorm WarningBUF49 min
Sep 2, 3:42 AM EDTBeach Hazards StatementBUF7 hr
Sep 7, 12:19 PM EDTHeat AdvisoryBUF8 hr
Sep 10, 10:18 AM EDTBeach Hazards StatementBUF39 hr
Sep 10, 3:30 PM EDTSevere Thunderstorm WatchSPC6 hr
Sep 10, 7:24 PM EDTSevere Thunderstorm WarningBUF51 min
Sep 10, 7:26 PM EDTSevere Thunderstorm WarningBUF49 min
Sep 10, 8:04 PM EDTSevere Thunderstorm WarningBUF41 min
Sep 17, 6:13 PM EDTSevere Thunderstorm WarningBUF47 min
Sep 17, 6:37 PM EDTSevere Thunderstorm WarningBUF53 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
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 20, 6:21 PM ESTSpecial Weather StatementBUF114 min
Nov 20, 11:07 PM ESTSpecial Weather StatementBUF113 min
Nov 21, 1:36 AM ESTSpecial Weather StatementBUF114 min
Nov 21, 4:34 AM ESTSpecial Weather StatementBUF116 min
Nov 23, 9:35 AM ESTWinter Weather AdvisoryBUF24 hr
Dec 8, 3:59 AM ESTLake Effect Snow AdvisoryBUF3 days
Dec 8, 11:53 PM ESTSpecial Weather StatementBUF112 min
Dec 9, 8:53 AM ESTSpecial Weather StatementBUF52 min
Dec 10, 2:49 PM ESTWinter Weather AdvisoryBUF43 hr
Dec 13, 11:58 AM ESTLake Effect Snow WarningBUF66 hr
Dec 13, 11:58 AM ESTLake Effect Snow AdvisoryBUF35 hr
Dec 14, 3:27 PM ESTWinter Weather AdvisoryBUF36 hr
Dec 15, 6:24 AM ESTSpecial Weather StatementBUF51 min
Dec 15, 7:20 AM ESTSpecial Weather StatementBUF55 min
Dec 15, 3:51 PM ESTSpecial Weather StatementBUF3 hr
Dec 15, 6:00 PM ESTSpecial Weather StatementBUF105 min
Dec 15, 8:05 PM ESTSpecial Weather StatementBUF85 min
Dec 15, 11:14 PM ESTSpecial Weather StatementBUF2 hr
Dec 16, 3:22 AM ESTWinter Weather AdvisoryBUF57 hr
Dec 16, 3:30 PM ESTSpecial Weather StatementBUF60 min
Dec 19, 12:06 AM ESTSpecial Weather StatementBUF114 min
Dec 25, 12:51 PM ESTFreezing Rain AdvisoryBUF30 hr
Dec 27, 11:50 PM ESTWinter Weather AdvisoryBUF4 hr
Dec 28, 2:53 PM ESTLake Effect Snow AdvisoryBUF42 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.