Alert archive / New York / Orange County

Weather alerts in Orange County, New York, 2020

170 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Orange County and its neighbors

Each county as a circle sized by its count in 2020. Tap one for its archive.

Alerts
170
Warnings
33
Watches
17
Advisories
35
Busiest month
July37 alerts
Busiest day
June 28, 202013 alerts

Over time

By month

Warning verification

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

0 of 1 tornado reports fell inside a warning.

Orange County, 2020

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings010%
Severe thunderstorm warnings181233%1560%24 min
Flash flood warnings3167%5100%66 min

Each office's whole area, 2020

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS New York, NY: tornado warnings8188%333%2 min
NWS New York, NY: severe thunderstorm warnings1046240%19685%26 min
NWS New York, NY: flash flood warnings301743%6488%68 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 8, 9:08 AM ESTSpecial Weather StatementOKX37 min
Jan 11, 1:12 PM ESTWind AdvisoryOKX24 hr
Jan 12, 5:59 AM ESTSpecial Weather StatementOKX46 min
Jan 15, 1:19 PM ESTWind AdvisoryOKX30 hr
Jan 17, 3:54 AM ESTWinter Weather AdvisoryOKX45 hr
Jan 25, 8:30 AM ESTSpecial Weather StatementOKX2 hr
Feb 5, 3:30 AM ESTWinter Weather AdvisoryOKX31 hr
Feb 6, 3:37 PM ESTWind AdvisoryOKX30 hr
Feb 27, 10:08 AM ESTWind AdvisoryOKX8 hr
Feb 29, 11:24 AM ESTSpecial Weather StatementOKX51 min
Mar 3, 9:46 PM ESTSpecial Weather StatementOKX44 min
Mar 20, 6:22 PM EDTSpecial Weather StatementOKX38 min
Mar 30, 5:43 PM EDTSpecial Weather StatementOKX47 min
Apr 8, 3:44 PM EDTWind AdvisoryOKX28 hr
Apr 11, 4:12 PM EDTHigh Wind WatchOKX24 hr
Apr 12, 3:54 PM EDTHigh Wind WarningOKX27 hr
Apr 12, 3:54 PM EDTWind AdvisoryOKX19 hr
Apr 13, 2:28 PM EDTSpecial Weather StatementOKX47 min
Apr 13, 2:42 PM EDTMesoscale DiscussionSPC93 min
Apr 13, 5:08 PM EDTSpecial Weather StatementOKX52 min
Apr 16, 9:08 PM EDTSpecial Weather StatementOKX37 min
Apr 20, 3:51 PM EDTWind AdvisoryOKX30 hr
Apr 21, 3:29 AM EDTFreeze WarningOKX29 hr
Apr 21, 1:40 PM EDTSpecial Weather StatementOKX50 min
Apr 22, 3:55 AM EDTFreeze WarningOKX29 hr
Apr 27, 3:21 PM EDTFrost AdvisoryOKX17 hr
Apr 29, 3:46 AM EDTFlood WatchOKX49 hr
May 7, 3:25 PM EDTFreeze WatchOKX12 hr
May 8, 3:43 AM EDTFreeze WarningOKX28 hr
May 9, 3:37 AM EDTFreeze WarningOKX29 hr
May 9, 6:45 PM EDTSpecial Weather StatementOKX60 min
May 11, 2:34 PM EDTSpecial Weather StatementOKX41 min
May 11, 5:02 PM EDTSpecial Weather StatementOKX28 min
May 12, 2:13 PM EDTFreeze WarningOKX17 hr
May 13, 2:54 PM EDTFreeze WarningOKX17 hr
May 15, 7:49 PM EDTSpecial Weather StatementOKX41 min
May 15, 8:23 PM EDTSpecial Weather StatementOKX52 min
May 15, 8:30 PM EDTSevere Thunderstorm WarningOKX45 min
May 15, 9:01 PM EDTSpecial Weather StatementOKX44 min
May 15, 9:09 PM EDTMesoscale DiscussionSPC66 min
May 29, 12:27 PM EDTMesoscale DiscussionSPC63 min
May 29, 2:25 PM EDTSevere Thunderstorm WatchSPC7 hr
May 29, 5:37 PM EDTSpecial Weather StatementOKX38 min
May 29, 6:05 PM EDTSpecial Weather StatementOKX40 min
May 29, 6:43 PM EDTSpecial Weather StatementOKX47 min
May 29, 8:01 PM EDTMesoscale DiscussionSPC119 min
Jun 3, 6:58 PM EDTSevere Thunderstorm WarningOKX62 min
Jun 3, 6:58 PM EDTMesoscale DiscussionSPC92 min
Jun 3, 7:57 PM EDTSevere Thunderstorm WarningOKX48 min
Jun 6, 1:08 PM EDTSpecial Weather StatementOKX67 min
Jun 24, 2:51 AM EDTSpecial Weather StatementOKX39 min
Jun 28, 12:08 PM EDTSpecial Weather StatementOKX52 min
Jun 28, 12:37 PM EDTMesoscale DiscussionSPC113 min
Jun 28, 1:11 PM EDTSpecial Weather StatementOKX49 min
Jun 28, 1:32 PM EDTSevere Thunderstorm WatchSPC6 hr
Jun 28, 1:39 PM EDTSevere Thunderstorm WarningOKX36 min
Jun 28, 1:47 PM EDTSpecial Weather StatementALY28 min
Jun 28, 2:07 PM EDTSpecial Weather StatementALY38 min
Jun 28, 2:25 PM EDTSpecial Weather StatementOKX65 min
Jun 28, 2:41 PM EDTSevere Thunderstorm WarningOKX40 min
Jun 28, 2:58 PM EDTSevere Thunderstorm WarningOKX22 min
Jun 28, 4:08 PM EDTMesoscale DiscussionSPC2 hr
Jun 28, 4:29 PM EDTSevere Thunderstorm WarningOKX43 min
Jun 28, 5:24 PM EDTSevere Thunderstorm WarningOKX51 min
Jun 29, 3:57 PM EDTSpecial Weather StatementALY33 min
Jun 29, 4:14 PM EDTSevere Thunderstorm WarningOKX46 min
Jun 29, 6:28 PM EDTSpecial Weather StatementOKX62 min
Jul 2, 6:30 PM EDTMesoscale DiscussionSPC2 hr
Jul 3, 3:48 PM EDTSpecial Weather StatementOKX57 min
Jul 3, 5:52 PM EDTSpecial Weather StatementOKX53 min
Jul 3, 6:18 PM EDTSevere Thunderstorm WarningOKX29 min
Jul 6, 5:15 PM EDTSpecial Weather StatementOKX60 min
Jul 6, 6:16 PM EDTSpecial Weather StatementOKX44 min
Jul 8, 12:37 PM EDTAreal Flood AdvisoryOKX3 hr
Jul 8, 1:13 PM EDTFlash Flood WarningOKX3 hr
Jul 8, 1:39 PM EDTFlash Flood WarningOKX2 hr
Jul 8, 2:15 PM EDTAreal Flood AdvisoryOKX3 hr
Jul 8, 3:00 PM EDTFlash Flood WarningOKX3 hr
Jul 9, 4:05 PM EDTFlash Flood WatchOKX29 hr
Jul 10, 4:17 PM EDTAreal Flood AdvisoryOKX3 hr
Jul 11, 5:58 PM EDTSpecial Weather StatementOKX47 min
Jul 11, 6:46 PM EDTSpecial Weather StatementOKX44 min
Jul 17, 3:41 PM EDTHeat AdvisoryOKX3 days
Jul 19, 5:52 PM EDTMesoscale DiscussionSPC83 min
Jul 19, 7:42 PM EDTSpecial Weather StatementOKX48 min
Jul 19, 8:08 PM EDTSpecial Weather StatementOKX37 min
Jul 19, 8:50 PM EDTSpecial Weather StatementOKX40 min
Jul 22, 1:45 PM EDTMesoscale DiscussionSPC2 hr
Jul 22, 2:57 PM EDTSevere Thunderstorm WatchSPC7 hr
Jul 22, 3:08 PM EDTSpecial Weather StatementOKX52 min
Jul 22, 3:27 PM EDTSevere Thunderstorm WarningOKX30 min
Jul 22, 7:01 PM EDTMesoscale DiscussionSPC119 min
Jul 23, 12:05 PM EDTMesoscale DiscussionSPC115 min
Jul 23, 2:24 PM EDTSpecial Weather StatementOKX51 min
Jul 23, 2:49 PM EDTSevere Thunderstorm WatchSPC7 hr
Jul 23, 4:03 PM EDTSpecial Weather StatementOKX42 min
Jul 23, 4:28 PM EDTMesoscale DiscussionSPC2 hr
Jul 23, 5:02 PM EDTAreal Flood AdvisoryOKX58 min
Jul 23, 6:48 PM EDTMesoscale DiscussionSPC57 min
Jul 25, 2:57 PM EDTHeat AdvisoryOKX3 days
Jul 30, 1:20 PM EDTMesoscale DiscussionSPC115 min
Jul 30, 2:31 PM EDTSpecial Weather StatementOKX44 min
Jul 30, 3:50 PM EDTSpecial Weather StatementOKX40 min
Jul 30, 5:26 PM EDTSpecial Weather StatementOKX49 min
Aug 2, 2:00 PM EDTMesoscale DiscussionSPC2 hr
Aug 2, 3:10 PM EDTTornado WatchSPC7 hr
Aug 2, 3:32 PM EDTFlash Flood WatchOKX48 hr
Aug 2, 6:00 PM EDTTropical Storm WatchOKX17 hr
Aug 2, 6:39 PM EDTSpecial Weather StatementOKX21 min
Aug 2, 6:45 PM EDTMesoscale DiscussionSPC2 hr
Aug 2, 10:07 PM EDTSpecial Weather StatementOKX38 min
Aug 3, 5:20 AM EDTTropical Storm WarningOKX39 hr
Aug 4, 6:45 AM EDTMesoscale DiscussionSPC3 hr
Aug 4, 7:23 AM EDTTornado WatchSPC9 hr
Aug 4, 11:51 AM EDTAreal Flood AdvisoryOKX3 hr
Aug 9, 3:52 PM EDTHeat AdvisoryOKX3 days
Aug 18, 12:49 AM EDTSpecial Weather StatementOKX41 min
Aug 18, 1:46 AM EDTSpecial Weather StatementOKX29 min
Aug 25, 3:12 PM EDTSevere Thunderstorm WatchSPC5 hr
Aug 25, 4:36 PM EDTSpecial Weather StatementOKX24 min
Aug 25, 4:52 PM EDTSevere Thunderstorm WarningOKX38 min
Aug 25, 5:25 PM EDTSevere Thunderstorm WarningOKX50 min
Aug 25, 6:11 PM EDTMesoscale DiscussionSPC2 hr
Aug 27, 12:38 PM EDTMesoscale DiscussionSPC3 hr
Aug 27, 2:59 PM EDTMesoscale DiscussionSPC61 min
Aug 27, 3:19 PM EDTTornado WatchSPC5 hr
Aug 27, 3:49 PM EDTSpecial Weather StatementOKX41 min
Aug 27, 4:27 PM EDTSevere Thunderstorm WarningOKX48 min
Aug 27, 4:34 PM EDTSpecial Weather StatementOKX41 min
Aug 27, 4:49 PM EDTSevere Thunderstorm WarningOKX41 min
Aug 27, 5:49 PM EDTAreal Flood AdvisoryOKX116 min
Aug 27, 6:03 PM EDTSevere Thunderstorm WarningOKX57 min
Aug 27, 7:03 PM EDTSpecial Weather StatementOKX42 min
Aug 29, 3:56 PM EDTMesoscale DiscussionSPC2 hr
Aug 29, 6:45 PM EDTMesoscale DiscussionSPC2 hr
Sep 10, 3:11 PM EDTAreal Flood AdvisoryOKX3 hr
Sep 19, 3:30 PM EDTFrost AdvisoryOKX17 hr
Sep 20, 3:38 PM EDTFrost AdvisoryOKX16 hr
Sep 21, 3:27 PM EDTFrost AdvisoryOKX18 hr
Sep 30, 2:59 AM EDTAreal Flood AdvisoryOKX4 hr
Oct 6, 3:15 PM EDTWind AdvisoryOKX31 hr
Oct 7, 4:55 PM EDTSpecial Weather StatementOKX65 min
Oct 17, 3:28 AM EDTFrost AdvisoryOKX30 hr
Oct 21, 12:25 AM EDTDense Fog AdvisoryOKX9 hr
Nov 1, 3:05 PM ESTWind AdvisoryOKX26 hr
Nov 1, 5:02 PM ESTSpecial Weather StatementOKX58 min
Nov 1, 5:49 PM ESTSpecial Weather StatementOKX41 min
Nov 15, 3:33 PM ESTMesoscale DiscussionSPC2 hr
Nov 15, 7:01 PM ESTMesoscale DiscussionSPC59 min
Nov 15, 7:17 PM ESTSevere Thunderstorm WarningOKX43 min
Nov 15, 7:32 PM ESTSevere Thunderstorm WatchSPC5 hr
Nov 15, 7:57 PM ESTSevere Thunderstorm WarningOKX63 min
Nov 17, 3:51 PM ESTSpecial Weather StatementOKX54 min
Nov 30, 4:06 PM ESTSpecial Weather StatementOKX39 min
Nov 30, 4:37 PM ESTMesoscale DiscussionSPC53 min
Nov 30, 4:40 PM ESTSpecial Weather StatementOKX65 min
Nov 30, 5:56 PM ESTAreal Flood AdvisoryOKX3 hr
Dec 12, 6:27 PM ESTDense Fog AdvisoryOKX17 min
Dec 12, 6:44 PM ESTDense Fog AdvisoryOKX3 hr
Dec 13, 12:03 AM ESTDense Fog AdvisoryOKX9 hr
Dec 14, 4:00 PM ESTWinter Storm WatchOKX36 hr
Dec 15, 3:40 PM ESTWinter Storm WarningOKX45 hr
Dec 16, 6:48 PM ESTMesoscale DiscussionSPC5 hr
Dec 23, 2:43 PM ESTFlood WatchOKX43 hr
Dec 23, 2:55 PM ESTHigh Wind WarningOKX41 hr
Dec 23, 2:55 PM ESTWind AdvisoryOKX35 hr
Dec 25, 1:26 AM ESTAreal Flood AdvisoryOKX58 min
Dec 25, 2:07 AM ESTAreal Flood WarningOKX7 hr
Dec 25, 2:24 AM ESTAreal Flood AdvisoryOKX5 hr
Dec 25, 10:55 AM ESTRiver Flood WarningOKX21 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 archive20192021

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.