Alert archive / New York / Suffolk County

Weather alerts in Suffolk County, New York, 2010

241 weather alerts in 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Suffolk County and its neighbors

Each county as a circle sized by its count in 2010. Tap one for its archive.

Alerts
241
Warnings
42
Watches
26
Advisories
104
Busiest month
July47 alerts
Busiest day
July 21, 201014 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 2 tornado warnings covering Suffolk County in 2010 had a tornado report inside them.

Suffolk County, 2010

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings20100%0
Severe thunderstorm warnings241442%2959%20 min
Flash flood warnings330%475%58 min

Each office's whole area, 2010

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS New York, NY: tornado warnings11373%475%9 min
NWS New York, NY: severe thunderstorm warnings1016635%24464%22 min
NWS New York, NY: flash flood warnings131023%5151%65 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, 4:58 AM ESTWind AdvisoryOKX35 hr
Jan 2, 6:35 AM ESTWinter Weather AdvisoryOKX30 hr
Jan 17, 7:54 PM ESTAreal Flood AdvisoryOKX64 min
Jan 23, 4:16 PM ESTFlash Flood WatchOKX50 hr
Jan 24, 3:58 AM ESTHigh Wind WatchOKX24 hr
Jan 25, 4:12 AM ESTWind AdvisoryOKX12 hr
Jan 25, 9:42 AM ESTHigh Wind WarningOKX7 hr
Feb 4, 3:03 PM ESTWinter Storm WatchOKX25 hr
Feb 5, 4:28 PM ESTWinter Weather AdvisoryOKX21 hr
Feb 8, 1:17 PM ESTWinter Storm WatchOKX14 hr
Feb 9, 3:18 AM ESTWinter Storm WarningOKX48 hr
Feb 10, 3:40 AM ESTBlizzard WarningOKX24 hr
Feb 10, 7:27 AM ESTMesoscale DiscussionSPC5 hr
Feb 10, 12:20 PM ESTMesoscale DiscussionSPC4 hr
Feb 10, 7:03 PM ESTMesoscale DiscussionSPC4 hr
Feb 15, 4:15 AM ESTWinter Weather AdvisoryOKX41 hr
Feb 22, 3:59 PM ESTWinter Weather AdvisoryOKX42 hr
Feb 24, 1:16 AM ESTCoastal Flood AdvisoryOKX6 hr
Feb 24, 3:03 PM ESTFlood WatchOKX24 hr
Feb 24, 3:08 PM ESTWinter Storm WarningOKX52 hr
Feb 24, 3:08 PM ESTWinter Weather AdvisoryOKX25 hr
Feb 24, 10:32 PM ESTDense Fog AdvisoryOKX7 hr
Feb 25, 3:31 PM ESTWinter Weather AdvisoryOKX36 hr
Feb 25, 3:39 PM ESTAreal Flood AdvisoryOKX3 hr
Feb 25, 6:30 PM ESTAreal Flood AdvisoryOKX105 min
Feb 26, 5:57 AM ESTCoastal Flood AdvisoryOKX3 hr
Mar 1, 3:35 AM ESTCoastal Flood WatchOKX8 hr
Mar 1, 3:35 AM ESTCoastal Flood AdvisoryOKX8 hr
Mar 1, 11:45 AM ESTCoastal Flood AdvisoryOKX14 hr
Mar 2, 3:32 AM ESTCoastal Flood AdvisoryOKX8 hr
Mar 2, 4:02 PM ESTCoastal Flood AdvisoryOKX35 hr
Mar 4, 8:45 PM ESTCoastal Flood StatementOKX4 hr
Mar 11, 3:57 PM ESTFlood WatchOKX71 hr
Mar 12, 3:36 PM ESTCoastal Flood WatchOKX25 hr
Mar 12, 3:36 PM ESTHigh Surf AdvisoryOKX49 hr
Mar 12, 3:36 PM ESTWind AdvisoryOKX32 hr
Mar 13, 5:31 AM ESTHigh Wind WarningOKX18 hr
Mar 13, 6:20 AM ESTCoastal Flood WarningOKX17 hr
Mar 13, 6:20 AM ESTCoastal Flood AdvisoryOKX5 hr
Mar 13, 2:29 PM ESTAreal Flood AdvisoryOKX12 hr
Mar 13, 4:25 PM ESTCoastal Flood AdvisoryOKX5 hr
Mar 13, 9:25 PM ESTCoastal Flood AdvisoryOKX14 hr
Mar 13, 11:56 PM ESTWind AdvisoryOKX4 hr
Mar 15, 5:50 AM EDTCoastal Flood StatementOKX5 hr
Mar 15, 5:50 AM EDTCoastal Flood AdvisoryOKX7 hr
Mar 15, 5:50 AM EDTCoastal Flood AdvisoryOKX20 hr
Mar 16, 9:30 PM EDTCoastal Flood StatementOKX90 min
Mar 27, 4:19 PM EDTFlood WatchOKX69 hr
Mar 28, 4:58 AM EDTCoastal Flood AdvisoryOKX20 hr
Mar 29, 1:23 AM EDTCoastal Flood AdvisoryOKX11 hr
Mar 29, 6:27 AM EDTAreal Flood AdvisoryOKX2 hr
Mar 29, 8:37 AM EDTAreal Flood AdvisoryOKX28 hr
Mar 29, 12:47 PM EDTCoastal Flood WatchOKX13 hr
Mar 29, 12:47 PM EDTCoastal Flood AdvisoryOKX13 hr
Mar 29, 3:00 PM EDTHigh Surf AdvisoryOKX35 hr
Mar 29, 3:12 PM EDTWind AdvisoryOKX13 hr
Mar 30, 1:56 AM EDTCoastal Flood AdvisoryOKX24 hr
Mar 30, 12:22 PM EDTAreal Flood AdvisoryOKX6 hr
Mar 31, 2:49 PM EDTCoastal Flood StatementOKX7 hr
Mar 31, 9:44 PM EDTCoastal Flood AdvisoryOKX4 hr
Apr 4, 12:51 AM EDTDense Fog AdvisoryOKX9 hr
Apr 22, 5:55 PM EDTSevere Thunderstorm WarningOKX30 min
Apr 26, 4:12 AM EDTCoastal Flood AdvisoryOKX20 hr
Apr 27, 6:13 PM EDTCoastal Flood AdvisoryOKX4 hr
Apr 29, 2:03 PM EDTWind AdvisoryOKX6 hr
May 3, 8:40 AM EDTAreal Flood AdvisoryOKX80 min
May 8, 4:01 AM EDTWind AdvisoryOKX36 hr
May 9, 3:39 PM EDTFrost AdvisoryOKX14 hr
May 23, 6:12 AM EDTDense Fog AdvisoryOKX5 hr
May 27, 12:09 AM EDTSpecial Weather StatementOKX51 min
May 27, 12:14 AM EDTSevere Thunderstorm WarningOKX33 min
May 27, 1:20 AM EDTSpecial Weather StatementOKX40 min
May 27, 1:39 AM EDTSevere Thunderstorm WarningOKX40 min
May 27, 2:02 AM EDTSevere Thunderstorm WarningOKX18 min
May 27, 4:48 AM EDTCoastal Flood AdvisoryOKX17 hr
Jun 1, 6:23 PM EDTSpecial Weather StatementOKX52 min
Jun 3, 1:42 AM EDTDense Fog AdvisoryOKX7 hr
Jun 3, 1:03 PM EDTSevere Thunderstorm WatchSPC7 hr
Jun 3, 3:26 PM EDTMesoscale DiscussionSPC64 min
Jun 6, 5:22 AM EDTCoastal Flood StatementOKX16 hr
Jun 6, 10:25 AM EDTMesoscale DiscussionSPC65 min
Jun 6, 11:08 AM EDTTornado WatchSPC8 hr
Jun 6, 2:38 PM EDTMesoscale DiscussionSPC67 min
Jun 10, 5:44 PM EDTSpecial Weather StatementOKX46 min
Jun 12, 3:27 AM EDTCoastal Flood StatementOKX18 hr
Jun 20, 4:27 PM EDTSpecial Weather StatementOKX63 min
Jun 20, 4:39 PM EDTSevere Thunderstorm WarningOKX19 min
Jun 24, 12:16 PM EDTMesoscale DiscussionSPC89 min
Jun 24, 12:28 PM EDTSevere Thunderstorm WatchSPC8 hr
Jun 24, 2:27 PM EDTSevere Thunderstorm WarningOKX48 min
Jun 24, 2:33 PM EDTSevere Thunderstorm WarningOKX42 min
Jun 24, 3:07 PM EDTMesoscale DiscussionSPC53 min
Jun 24, 3:12 PM EDTSevere Thunderstorm WarningOKX28 min
Jun 28, 12:49 PM EDTMesoscale DiscussionSPC56 min
Jun 28, 1:45 PM EDTSevere Thunderstorm WatchSPC6 hr
Jun 28, 3:53 PM EDTMesoscale DiscussionSPC2 hr
Jul 5, 4:04 AM EDTHeat AdvisoryOKX4 days
Jul 6, 3:21 PM EDTHeat AdvisoryOKX28 hr
Jul 10, 5:15 AM EDTCoastal Flood StatementOKX16 hr
Jul 10, 10:39 AM EDTAreal Flood AdvisoryOKX2 hr
Jul 10, 11:22 AM EDTSpecial Weather StatementOKX53 min
Jul 10, 11:37 AM EDTAreal Flood AdvisoryOKX113 min
Jul 10, 1:20 PM EDTAreal Flood AdvisoryOKX48 min
Jul 10, 1:41 PM EDTFlash Flood WarningOKX2 hr
Jul 10, 3:29 PM EDTAreal Flood AdvisoryOKX41 min
Jul 10, 3:45 PM EDTAreal Flood AdvisoryOKX90 min
Jul 11, 4:37 AM EDTCoastal Flood StatementOKX16 hr
Jul 12, 12:08 AM EDTCoastal Flood StatementOKX21 hr
Jul 13, 2:52 PM EDTAreal Flood AdvisoryOKX3 hr
Jul 14, 5:37 PM EDTAreal Flood AdvisoryOKX26 min
Jul 14, 8:33 PM EDTAreal Flood AdvisoryOKX57 min
Jul 19, 4:58 AM EDTCoastal Flood StatementOKX16 hr
Jul 19, 11:36 AM EDTSevere Thunderstorm WarningOKX39 min
Jul 19, 7:21 PM EDTSevere Thunderstorm WarningOKX39 min
Jul 19, 7:25 PM EDTSpecial Weather StatementOKX65 min
Jul 19, 7:39 PM EDTMesoscale DiscussionSPC96 min
Jul 19, 7:41 PM EDTSpecial Weather StatementOKX64 min
Jul 19, 7:48 PM EDTSevere Thunderstorm WarningOKX29 min
Jul 19, 8:07 PM EDTAreal Flood AdvisoryOKX83 min
Jul 20, 1:54 PM EDTCoastal Flood StatementOKX7 hr
Jul 21, 12:38 PM EDTMesoscale DiscussionSPC67 min
Jul 21, 1:21 PM EDTSpecial Weather StatementOKX54 min
Jul 21, 1:29 PM EDTAreal Flood AdvisoryOKX2 hr
Jul 21, 1:32 PM EDTSevere Thunderstorm WatchSPC9 hr
Jul 21, 1:51 PM EDTSevere Thunderstorm WarningOKX39 min
Jul 21, 3:41 PM EDTMesoscale DiscussionSPC64 min
Jul 21, 6:03 PM EDTSevere Thunderstorm WarningOKX27 min
Jul 21, 6:22 PM EDTTornado WarningOKX23 min
Jul 21, 6:34 PM EDTSevere Thunderstorm WarningOKX41 min
Jul 21, 7:00 PM EDTMesoscale DiscussionSPC90 min
Jul 21, 7:03 PM EDTSpecial Weather StatementOKX57 min
Jul 21, 7:06 PM EDTSevere Thunderstorm WarningOKX24 min
Jul 21, 7:38 PM EDTSevere Thunderstorm WarningOKX52 min
Jul 21, 7:46 PM EDTAreal Flood AdvisoryOKX59 min
Jul 21, 8:05 PM EDTSevere Thunderstorm WarningOKX40 min
Jul 21, 9:08 PM EDTAreal Flood AdvisoryOKX52 min
Jul 22, 5:46 PM EDTCoastal Flood StatementOKX27 hr
Jul 23, 1:02 PM EDTHeat AdvisoryOKX50 hr
Jul 23, 5:36 PM EDTMesoscale DiscussionSPC54 min
Jul 25, 3:01 PM EDTSevere Thunderstorm WarningOKX44 min
Jul 25, 3:18 PM EDTSevere Thunderstorm WarningOKX42 min
Jul 25, 3:40 PM EDTTornado WarningOKX35 min
Jul 25, 3:56 PM EDTSpecial Weather StatementOKX49 min
Aug 11, 3:59 PM EDTCoastal Flood StatementOKX11 hr
Aug 12, 4:19 AM EDTCoastal Flood StatementOKX12 hr
Aug 12, 3:55 PM EDTCoastal Flood AdvisoryOKX11 hr
Aug 13, 4:12 AM EDTCoastal Flood AdvisoryOKX12 hr
Aug 22, 3:19 PM EDTMesoscale DiscussionSPC56 min
Aug 22, 8:37 PM EDTAreal Flood AdvisoryOKX83 min
Aug 22, 10:25 PM EDTAreal Flood AdvisoryOKX110 min
Aug 22, 10:48 PM EDTFlash Flood WarningOKX88 min
Aug 23, 2:01 PM EDTCoastal Flood StatementOKX55 hr
Aug 27, 4:19 PM EDTCoastal Flood StatementOKX3 days
Aug 28, 4:23 PM EDTHigh Surf AdvisoryOKX19 hr
Aug 28, 5:00 PM EDTTropical Storm WatchNHC6 days
Aug 30, 9:40 PM EDTCoastal Flood StatementOKX68 hr
Sep 1, 6:17 PM EDTTropical Storm WatchOKX43 hr
Sep 2, 7:10 AM EDTTropical Storm WarningOKX41 hr
Sep 4, 1:30 AM EDTHigh Surf AdvisoryOKX5 hr
Sep 4, 7:11 AM EDTCoastal Flood StatementOKX38 hr
Sep 6, 5:06 PM EDTCoastal Flood StatementOKX28 hr
Sep 7, 9:11 PM EDTCoastal Flood StatementOKX23 hr
Sep 8, 8:48 AM EDTSpecial Weather StatementOKX57 min
Sep 8, 9:40 AM EDTSevere Thunderstorm WarningOKX20 min
Sep 13, 4:03 PM EDTMesoscale DiscussionSPC87 min
Sep 13, 6:06 PM EDTMesoscale DiscussionSPC54 min
Sep 15, 4:14 PM EDTHigh Wind WatchOKX23 hr
Sep 15, 4:50 PM EDTCoastal Flood StatementOKX23 hr
Sep 16, 3:27 PM EDTWind AdvisoryOKX12 hr
Sep 16, 3:37 PM EDTHigh Surf AdvisoryOKX20 hr
Sep 16, 6:00 PM EDTSevere Thunderstorm WarningOKX45 min
Sep 16, 6:25 PM EDTAreal Flood AdvisoryOKX2 hr
Sep 16, 6:29 PM EDTSpecial Weather StatementOKX61 min
Sep 17, 11:37 AM EDTCoastal Flood StatementOKX47 hr
Sep 19, 10:57 AM EDTHigh Surf AdvisoryOKX40 hr
Sep 20, 6:42 PM EDTCoastal Flood StatementOKX26 hr
Sep 22, 3:27 AM EDTCoastal Flood StatementOKX18 hr
Sep 24, 7:03 PM EDTDense Fog AdvisoryOKX3 hr
Sep 25, 4:27 AM EDTCoastal Flood StatementOKX17 hr
Sep 27, 4:43 PM EDTCoastal Flood StatementOKX28 hr
Sep 28, 11:55 AM EDTSpecial Weather StatementOKX65 min
Sep 29, 4:15 AM EDTHigh Wind WatchOKX24 hr
Sep 29, 4:22 AM EDTFlood WatchOKX56 hr
Sep 29, 4:12 PM EDTHigh Surf AdvisoryOKX62 hr
Sep 30, 4:23 AM EDTHigh Wind WarningOKX24 hr
Sep 30, 5:50 AM EDTAreal Flood AdvisoryOKX2 hr
Oct 1, 4:26 AM EDTWind AdvisoryOKX8 hr
Oct 1, 4:54 AM EDTMesoscale DiscussionSPC66 min
Oct 1, 6:43 AM EDTAreal Flood AdvisoryOKX3 hr
Oct 1, 8:10 AM EDTFlash Flood WarningOKX88 min
Oct 1, 9:26 AM EDTSevere Thunderstorm WarningOKX49 min
Oct 1, 9:53 AM EDTAreal Flood AdvisoryOKX112 min
Oct 1, 12:13 PM EDTFlood WatchOKX86 min
Oct 3, 4:14 PM EDTCoastal Flood AdvisoryOKX31 hr
Oct 4, 11:49 AM EDTHigh Surf AdvisoryOKX18 hr
Oct 5, 1:51 AM EDTCoastal Flood AdvisoryOKX9 hr
Oct 6, 4:21 AM EDTCoastal Flood StatementOKX7 hr
Oct 6, 3:54 PM EDTCoastal Flood StatementOKX20 hr
Oct 7, 10:56 PM EDTCoastal Flood StatementOKX13 hr
Oct 11, 5:02 AM EDTCoastal Flood StatementOKX8 hr
Oct 11, 9:10 PM EDTSevere Thunderstorm WarningOKX35 min
Oct 14, 3:08 PM EDTWind AdvisoryOKX49 hr
Oct 14, 5:46 PM EDTAreal Flood AdvisoryOKX119 min
Oct 14, 8:01 PM EDTAreal Flood AdvisoryOKX119 min
Oct 14, 10:04 PM EDTAreal Flood AdvisoryOKX116 min
Oct 30, 3:10 PM EDTFreeze WatchOKX13 hr
Oct 31, 4:39 AM EDTFreeze WarningOKX29 hr
Nov 1, 4:10 PM EDTFreeze WarningOKX18 hr
Nov 2, 4:22 AM EDTFreeze WarningOKX29 hr
Nov 4, 7:37 AM EDTCoastal Flood AdvisoryOKX3 hr
Nov 5, 5:22 AM EDTHigh Surf AdvisoryOKX37 hr
Nov 5, 3:39 PM EDTCoastal Flood StatementOKX6 hr
Nov 5, 3:39 PM EDTCoastal Flood AdvisoryOKX18 hr
Nov 6, 6:13 PM EDTHigh Surf AdvisoryOKX11 hr
Nov 8, 4:08 AM ESTWind AdvisoryOKX12 hr
Nov 9, 3:17 PM ESTCoastal Flood AdvisoryOKX24 hr
Nov 10, 3:44 PM ESTCoastal Flood AdvisoryOKX24 hr
Nov 12, 3:53 AM ESTCoastal Flood AdvisoryOKX11 hr
Nov 12, 6:32 AM ESTHigh Surf AdvisoryOKX21 hr
Nov 16, 3:38 PM ESTWind AdvisoryOKX30 hr
Nov 17, 3:38 AM ESTSevere Thunderstorm WatchSPC2 hr
Nov 30, 3:29 PM ESTWind AdvisoryOKX27 hr
Dec 1, 11:39 AM ESTAreal Flood AdvisoryOKX3 hr
Dec 1, 2:27 PM ESTSevere Thunderstorm WarningOKX63 min
Dec 1, 4:04 PM ESTCoastal Flood AdvisoryOKX3 hr
Dec 1, 4:11 PM ESTSpecial Weather StatementOKX64 min
Dec 12, 3:52 AM ESTFlood WatchOKX22 hr
Dec 12, 3:58 AM ESTWind AdvisoryOKX12 hr
Dec 12, 4:50 PM ESTAreal Flood AdvisoryOKX115 min
Dec 12, 7:02 PM ESTAreal Flood AdvisoryOKX3 hr
Dec 12, 9:40 PM ESTAreal Flood AdvisoryOKX110 min
Dec 21, 10:04 PM ESTCoastal Flood StatementOKX14 hr
Dec 25, 3:58 AM ESTWinter Storm WatchOKX12 hr
Dec 25, 3:55 PM ESTBlizzard WarningOKX43 hr
Dec 26, 6:02 AM ESTCoastal Flood WatchOKX8 hr
Dec 26, 6:56 AM ESTMesoscale DiscussionSPC6 hr
Dec 26, 12:31 PM ESTMesoscale DiscussionSPC6 hr
Dec 26, 2:01 PM ESTCoastal Flood WarningOKX15 hr
Dec 26, 2:01 PM ESTCoastal Flood AdvisoryOKX15 hr
Dec 27, 2:49 AM ESTMesoscale DiscussionSPC4 hr
Dec 27, 10:39 AM ESTWinter Weather AdvisoryOKX22 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 archive20092011

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.