Alert archive / New Jersey / Bergen County

Weather alerts in Bergen County, New Jersey, 2011

279 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Bergen County and its neighbors

Each county as a circle sized by its count in 2011. Tap one for its archive.

Alerts
279
Warnings
83
Watches
39
Advisories
72
Busiest month
August52 alerts
Busiest day
August 19, 201117 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 warnings covering Bergen County in 2011 had a tornado report inside them.

Bergen County, 2011

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings10100%0
Severe thunderstorm warnings181233%1753%23 min
Flash flood warnings10820%1479%80 min

Each office's whole area, 2011

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS New York, NY: tornado warnings9189%1100%5 min
NWS New York, NY: severe thunderstorm warnings1077530%18571%22 min
NWS New York, NY: flash flood warnings423126%8672%58 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, 4:43 AM ESTDense Fog AdvisoryOKX6 hr
Jan 6, 4:10 AM ESTWinter Storm WatchOKX24 hr
Jan 6, 3:57 PM ESTWinter Weather AdvisoryOKX34 hr
Jan 10, 3:55 AM ESTWinter Storm WatchOKX24 hr
Jan 10, 4:30 PM ESTWinter Storm WarningOKX49 hr
Jan 11, 8:00 PM ESTMesoscale DiscussionSPC5 hr
Jan 17, 3:47 PM ESTWinter Weather AdvisoryOKX41 hr
Jan 18, 3:33 AM ESTMesoscale DiscussionSPC6 hr
Jan 18, 8:01 AM ESTMesoscale DiscussionSPC4 hr
Jan 20, 3:44 AM ESTWinter Weather AdvisoryOKX30 hr
Jan 21, 12:30 AM ESTMesoscale DiscussionSPC5 hr
Jan 23, 4:14 PM ESTWind Chill AdvisoryOKX17 hr
Jan 25, 5:29 AM ESTWinter Storm WatchOKX24 hr
Jan 26, 5:21 AM ESTWinter Storm WarningOKX25 hr
Jan 26, 11:12 AM ESTMesoscale DiscussionSPC4 hr
Jan 26, 7:18 PM ESTMesoscale DiscussionSPC5 hr
Jan 31, 3:43 AM ESTWinter Storm WatchOKX25 hr
Jan 31, 4:57 PM ESTWinter Storm WarningOKX18 hr
Feb 1, 2:42 AM ESTMesoscale DiscussionSPC4 hr
Feb 1, 11:23 AM ESTIce Storm WarningOKX25 hr
Feb 1, 11:21 PM ESTMesoscale DiscussionSPC6 hr
Feb 2, 10:48 AM ESTFreezing Rain AdvisoryOKX3 hr
Feb 4, 3:47 AM ESTWinter Weather AdvisoryOKX41 hr
Feb 5, 6:14 PM ESTDense Fog AdvisoryOKX3 hr
Feb 14, 4:25 AM ESTWind AdvisoryOKX23 hr
Feb 18, 3:38 AM ESTWind AdvisoryOKX48 hr
Feb 20, 4:28 AM ESTWinter Weather AdvisoryOKX30 hr
Feb 24, 3:40 AM ESTHigh Wind WatchOKX24 hr
Feb 24, 12:17 PM ESTFlood WatchOKX28 hr
Feb 25, 4:04 AM ESTHigh Wind WarningOKX18 hr
Feb 25, 11:20 AM ESTAreal Flood AdvisoryOKX4 hr
Feb 25, 1:14 PM ESTHydrologic StatementOKX4 hr
Feb 25, 1:38 PM ESTAreal Flood AdvisoryOKX4 hr
Feb 27, 4:21 PM ESTFlood WatchOKX23 hr
Mar 5, 3:58 AM ESTFlood WatchOKX55 hr
Mar 6, 4:48 PM ESTAreal Flood WarningOKX20 hr
Mar 6, 9:01 PM ESTRiver Flood WarningOKX65 hr
Mar 6, 10:44 PM ESTRiver Flood WarningPHI39 hr
Mar 6, 11:26 PM ESTRiver Flood WarningOKX16 hr
Mar 7, 1:32 PM ESTAreal Flood WarningOKX24 hr
Mar 8, 1:40 PM ESTAreal Flood AdvisoryOKX6 hr
Mar 8, 4:21 PM ESTFlood WatchOKX69 hr
Mar 10, 12:15 PM ESTAreal Flood WarningOKX10 hr
Mar 10, 3:30 PM ESTRiver Flood WarningOKX50 hr
Mar 10, 9:01 PM ESTRiver Flood WarningOKX22 hr
Mar 10, 9:45 PM ESTRiver Flood WarningPHI46 hr
Mar 10, 10:16 PM ESTAreal Flood WarningOKX41 hr
Mar 15, 3:44 PM EDTFlood WatchOKX18 hr
Mar 22, 3:49 PM EDTWinter Weather AdvisoryOKX39 hr
Mar 23, 3:32 AM EDTMesoscale DiscussionSPC4 hr
Mar 28, 4:06 AM EDTRed Flag WarningOKX15 hr
Mar 30, 4:31 AM EDTWinter Storm WatchOKX25 hr
Mar 31, 4:36 AM EDTWinter Weather AdvisoryOKX31 hr
Apr 5, 6:25 AM EDTMesoscale DiscussionSPC2 hr
Apr 5, 10:54 AM EDTSpecial Weather StatementOKX36 min
Apr 12, 11:23 PM EDTMesoscale DiscussionSPC97 min
Apr 13, 12:07 AM EDTSpecial Weather StatementOKX38 min
Apr 16, 3:34 AM EDTWind AdvisoryOKX24 hr
Apr 16, 3:37 AM EDTFlood WatchOKX24 hr
Apr 16, 7:27 PM EDTAreal Flood AdvisoryOKX78 min
Apr 16, 8:32 PM EDTAreal Flood WarningOKX15 hr
Apr 16, 10:33 PM EDTSpecial Weather StatementOKX42 min
Apr 16, 11:27 PM EDTRiver Flood WarningOKX31 hr
Apr 16, 11:39 PM EDTRiver Flood WarningOKX17 hr
Apr 17, 3:19 AM EDTRiver Flood WarningPHI32 hr
Apr 17, 11:29 AM EDTAreal Flood WarningOKX6 hr
Apr 17, 6:05 PM EDTAreal Flood AdvisoryOKX18 hr
Apr 21, 4:15 PM EDTFrost AdvisoryOKX14 hr
Apr 21, 4:15 PM EDTFreeze WarningOKX14 hr
Apr 27, 3:43 AM EDTFlash Flood WatchOKX35 hr
Apr 28, 6:21 AM EDTMesoscale DiscussionSPC54 min
Apr 28, 9:45 AM EDTSevere Thunderstorm WatchSPC6 hr
Apr 28, 11:38 AM EDTSpecial Weather StatementOKX67 min
Apr 28, 11:42 AM EDTFlash Flood WarningOKX2 hr
Apr 28, 11:43 AM EDTTornado WarningOKX32 min
Apr 28, 11:49 AM EDTMesoscale DiscussionSPC56 min
Apr 28, 12:06 PM EDTSevere Thunderstorm WarningOKX24 min
Apr 28, 12:16 PM EDTSevere Thunderstorm WarningOKX29 min
Apr 28, 12:30 PM EDTAreal Flood AdvisoryOKX3 hr
Apr 28, 12:45 PM EDTSpecial Weather StatementOKX30 min
Apr 28, 1:12 PM EDTSpecial Weather StatementOKX33 min
May 15, 2:33 AM EDTSpecial Weather StatementOKX87 min
May 15, 4:18 AM EDTAreal Flood AdvisoryOKX87 min
May 15, 6:52 AM EDTAreal Flood AdvisoryOKX83 min
May 15, 5:37 PM EDTSpecial Weather StatementOKX53 min
May 15, 6:19 PM EDTSpecial Weather StatementOKX56 min
May 16, 3:25 PM EDTFlood WatchOKX60 hr
May 18, 1:08 PM EDTSpecial Weather StatementOKX52 min
May 18, 2:28 PM EDTAreal Flood AdvisoryOKX4 hr
May 18, 3:36 PM EDTFlash Flood WarningOKX3 hr
May 18, 10:01 PM EDTAreal Flood WarningOKX16 hr
May 19, 2:10 AM EDTRiver Flood WarningOKX12 hr
May 19, 10:47 AM EDTMesoscale DiscussionSPC88 min
May 19, 12:20 PM EDTSevere Thunderstorm WatchSPC8 hr
May 19, 2:17 PM EDTMesoscale DiscussionSPC58 min
May 19, 5:02 PM EDTMesoscale DiscussionSPC58 min
May 20, 4:18 AM EDTFlash Flood WatchOKX11 hr
May 24, 1:34 PM EDTMesoscale DiscussionSPC116 min
May 28, 7:04 PM EDTSpecial Weather StatementOKX56 min
May 30, 3:46 AM EDTMesoscale DiscussionSPC119 min
May 30, 4:58 AM EDTSpecial Weather StatementOKX62 min
Jun 1, 12:26 PM EDTMesoscale DiscussionSPC64 min
Jun 1, 12:58 PM EDTTornado WatchSPC7 hr
Jun 1, 4:36 PM EDTSpecial Weather StatementOKX39 min
Jun 1, 7:09 PM EDTMesoscale DiscussionSPC96 min
Jun 7, 3:33 PM EDTHeat AdvisoryOKX24 hr
Jun 7, 3:33 PM EDTHeat AdvisoryOKX52 hr
Jun 9, 1:45 PM EDTMesoscale DiscussionSPC90 min
Jun 9, 2:34 PM EDTSevere Thunderstorm WatchSPC7 hr
Jun 9, 4:17 PM EDTMesoscale DiscussionSPC88 min
Jun 9, 6:07 PM EDTSevere Thunderstorm WarningOKX23 min
Jun 9, 6:30 PM EDTSpecial Weather StatementOKX30 min
Jun 9, 7:17 PM EDTMesoscale DiscussionSPC58 min
Jun 17, 3:41 AM EDTSpecial Weather StatementOKX64 min
Jun 17, 5:15 AM EDTAreal Flood AdvisoryOKX2 hr
Jun 17, 1:27 PM EDTAreal Flood AdvisoryOKX78 min
Jun 17, 2:46 PM EDTAreal Flood AdvisoryOKX89 min
Jun 17, 3:34 PM EDTAreal Flood AdvisoryOKX86 min
Jun 17, 4:00 PM EDTAreal Flood AdvisoryOKX90 min
Jun 17, 4:07 PM EDTSevere Thunderstorm WarningOKX38 min
Jun 17, 4:51 PM EDTSpecial Weather StatementOKX54 min
Jun 17, 4:58 PM EDTFlash Flood WarningOKX4 hr
Jun 17, 5:30 PM EDTSpecial Weather StatementOKX60 min
Jun 22, 2:57 PM EDTFlash Flood WatchOKX54 hr
Jun 22, 5:40 PM EDTMesoscale DiscussionSPC95 min
Jun 23, 10:04 AM EDTMesoscale DiscussionSPC116 min
Jun 23, 10:13 AM EDTSpecial Weather StatementOKX62 min
Jun 23, 10:51 AM EDTFlash Flood WarningOKX6 hr
Jun 23, 11:10 AM EDTSevere Thunderstorm WarningOKX50 min
Jun 23, 12:46 PM EDTRiver Flood WarningOKX10 hr
Jun 23, 4:47 PM EDTAreal Flood WarningOKX18 hr
Jun 23, 4:59 PM EDTRiver Flood WarningOKX11 hr
Jun 24, 10:51 AM EDTAreal Flood WarningOKX9 hr
Jun 24, 11:42 AM EDTMesoscale DiscussionSPC3 hr
Jun 24, 4:13 PM EDTMesoscale DiscussionSPC92 min
Jun 29, 12:57 AM EDTSpecial Weather StatementOKX2 hr
Jun 29, 1:31 AM EDTSpecial Weather StatementOKX89 min
Jul 3, 8:19 AM EDTAreal Flood AdvisoryOKX52 min
Jul 8, 11:44 AM EDTMesoscale DiscussionSPC61 min
Jul 8, 1:51 PM EDTSevere Thunderstorm WatchSPC7 hr
Jul 8, 4:21 PM EDTFlash Flood WatchOKX7 hr
Jul 8, 4:31 PM EDTAreal Flood AdvisoryOKX119 min
Jul 8, 5:02 PM EDTSpecial Weather StatementOKX58 min
Jul 8, 5:08 PM EDTFlash Flood WarningOKX3 hr
Jul 8, 5:15 PM EDTSevere Thunderstorm WarningOKX26 min
Jul 8, 5:52 PM EDTMesoscale DiscussionSPC83 min
Jul 8, 8:09 PM EDTAreal Flood AdvisoryOKX3 hr
Jul 8, 11:12 PM EDTAreal Flood AdvisoryOKX3 hr
Jul 10, 3:42 PM EDTHeat AdvisoryOKX51 hr
Jul 19, 3:33 PM EDTExcessive Heat WatchOKX48 hr
Jul 20, 4:05 PM EDTExcessive Heat WarningOKX54 hr
Jul 22, 4:02 AM EDTExcessive Heat WarningOKX18 hr
Jul 22, 3:34 PM EDTHeat AdvisoryOKX28 hr
Jul 23, 4:21 AM EDTExcessive Heat WarningOKX16 hr
Jul 26, 1:34 PM EDTMesoscale DiscussionSPC86 min
Jul 26, 4:17 PM EDTSpecial Weather StatementOKX58 min
Jul 26, 5:24 PM EDTMesoscale DiscussionSPC66 min
Jul 26, 7:03 PM EDTSpecial Weather StatementOKX57 min
Jul 26, 8:22 PM EDTSpecial Weather StatementOKX53 min
Jul 29, 12:57 PM EDTMesoscale DiscussionSPC2 hr
Jul 29, 2:40 PM EDTSevere Thunderstorm WatchSPC8 hr
Jul 29, 4:40 PM EDTMesoscale DiscussionSPC95 min
Jul 29, 5:03 PM EDTTornado WatchSPC3 hr
Jul 29, 6:56 PM EDTSevere Thunderstorm WarningOKX34 min
Aug 1, 2:15 PM EDTMesoscale DiscussionSPC90 min
Aug 1, 3:50 PM EDTSevere Thunderstorm WarningOKX29 min
Aug 1, 6:18 PM EDTMesoscale DiscussionSPC57 min
Aug 1, 7:42 PM EDTSpecial Weather StatementOKX33 min
Aug 7, 2:11 AM EDTAreal Flood AdvisoryOKX3 hr
Aug 7, 7:39 PM EDTSpecial Weather StatementOKX66 min
Aug 9, 3:05 PM EDTMesoscale DiscussionSPC55 min
Aug 9, 4:16 PM EDTSevere Thunderstorm WatchSPC5 hr
Aug 9, 4:59 PM EDTAreal Flood AdvisoryOKX2 hr
Aug 14, 9:20 AM EDTFlash Flood WatchOKX34 hr
Aug 14, 9:32 PM EDTAreal Flood AdvisoryOKX58 min
Aug 15, 2:20 AM EDTAreal Flood AdvisoryOKX115 min
Aug 15, 3:55 PM EDTAreal Flood AdvisoryOKX80 min
Aug 15, 4:48 PM EDTSpecial Weather StatementOKX57 min
Aug 18, 9:45 PM EDTSpecial Weather StatementOKX60 min
Aug 18, 10:15 PM EDTSevere Thunderstorm WarningOKX47 min
Aug 18, 10:21 PM EDTAreal Flood AdvisoryOKX84 min
Aug 18, 10:38 PM EDTSpecial Weather StatementOKX52 min
Aug 18, 10:45 PM EDTSevere Thunderstorm WarningOKX45 min
Aug 19, 12:43 PM EDTMesoscale DiscussionSPC62 min
Aug 19, 1:04 PM EDTSevere Thunderstorm WatchSPC8 hr
Aug 19, 4:43 PM EDTSevere Thunderstorm WarningOKX62 min
Aug 19, 5:42 PM EDTSevere Thunderstorm WarningOKX30 min
Aug 19, 5:59 PM EDTFlash Flood WarningOKX91 min
Aug 19, 6:10 PM EDTSpecial Weather StatementOKX65 min
Aug 19, 6:20 PM EDTSevere Thunderstorm WarningOKX40 min
Aug 19, 6:29 PM EDTSevere Thunderstorm WarningOKX46 min
Aug 19, 6:42 PM EDTMesoscale DiscussionSPC63 min
Aug 19, 6:46 PM EDTFlash Flood WarningOKX59 min
Aug 19, 7:00 PM EDTSevere Thunderstorm WarningOKX45 min
Aug 19, 7:24 PM EDTFlash Flood WarningOKX66 min
Aug 21, 6:00 AM EDTFlash Flood WatchOKX15 hr
Aug 21, 11:54 AM EDTMesoscale DiscussionSPC2 hr
Aug 21, 12:38 PM EDTSevere Thunderstorm WarningOKX50 min
Aug 21, 12:52 PM EDTSevere Thunderstorm WatchSPC8 hr
Aug 21, 5:51 PM EDTSpecial Weather StatementOKX39 min
Aug 21, 6:33 PM EDTAreal Flood AdvisoryOKX117 min
Aug 21, 6:46 PM EDTFlash Flood WarningOKX56 min
Aug 21, 7:12 PM EDTMesoscale DiscussionSPC63 min
Aug 26, 3:49 AM EDTFlood WatchOKX57 hr
Aug 26, 5:39 AM EDTHurricane WatchOKX12 hr
Aug 26, 6:00 PM EDTHurricane WarningOKX41 hr
Aug 26, 6:00 PM EDTTropical Storm WarningOKX53 hr
Aug 27, 4:06 PM EDTRiver Flood WarningPHI66 hr
Aug 27, 7:31 PM EDTMesoscale DiscussionSPC89 min
Aug 27, 7:56 PM EDTTornado WatchSPC9 hr
Aug 27, 8:55 PM EDTAreal Flood WarningOKX48 hr
Aug 28, 12:30 AM EDTMesoscale DiscussionSPC90 min
Aug 28, 2:39 AM EDTRiver Flood WarningOKX61 hr
Aug 28, 4:01 AM EDTMesoscale DiscussionSPC89 min
Aug 28, 4:38 AM EDTTornado WatchSPC5 hr
Aug 29, 8:42 PM EDTAreal Flood WarningOKX12 hr
Sep 5, 4:23 AM EDTFlash Flood WatchOKX35 hr
Sep 5, 1:12 PM EDTSpecial Weather StatementOKX108 min
Sep 5, 5:28 PM EDTAreal Flood AdvisoryOKX107 min
Sep 5, 7:09 PM EDTAreal Flood AdvisoryOKX4 hr
Sep 5, 7:17 PM EDTFlash Flood WarningOKX4 hr
Sep 5, 11:00 PM EDTAreal Flood AdvisoryOKX8 hr
Sep 6, 1:20 PM EDTAreal Flood AdvisoryOKX55 min
Sep 6, 3:41 PM EDTFlood WatchOKX48 hr
Sep 6, 6:17 PM EDTAreal Flood AdvisoryOKX68 min
Sep 6, 7:24 PM EDTAreal Flood WarningOKX6 hr
Sep 6, 9:03 PM EDTRiver Flood WarningOKX19 hr
Sep 6, 9:06 PM EDTRiver Flood WarningOKX70 hr
Sep 7, 1:20 AM EDTAreal Flood WarningOKX20 hr
Sep 7, 4:34 AM EDTRiver Flood WarningPHI17 hr
Sep 7, 10:39 PM EDTSpecial Weather StatementOKX51 min
Sep 7, 11:14 PM EDTAreal Flood AdvisoryOKX2 hr
Sep 8, 1:18 AM EDTAreal Flood AdvisoryOKX87 min
Sep 8, 1:40 AM EDTAreal Flood WarningOKX9 hr
Sep 8, 4:01 AM EDTRiver Flood WarningPHI36 hr
Sep 8, 9:50 AM EDTRiver Flood WarningOKX9 hr
Sep 8, 10:31 AM EDTAreal Flood WarningOKX21 hr
Sep 22, 3:23 PM EDTFlood WatchOKX36 hr
Sep 23, 12:09 PM EDTAreal Flood AdvisoryOKX111 min
Sep 23, 2:04 PM EDTAreal Flood AdvisoryOKX86 min
Sep 23, 7:38 PM EDTAreal Flood AdvisoryOKX3 hr
Sep 29, 5:42 AM EDTAreal Flood AdvisoryOKX3 hr
Sep 29, 8:45 AM EDTAreal Flood AdvisoryOKX60 min
Sep 29, 8:46 AM EDTAreal Flood AdvisoryOKX59 min
Sep 29, 9:42 AM EDTAreal Flood AdvisoryOKX63 min
Sep 29, 10:45 AM EDTAreal Flood AdvisoryOKX45 min
Sep 29, 11:22 AM EDTMesoscale DiscussionSPC83 min
Sep 29, 11:47 AM EDTSevere Thunderstorm WarningOKX58 min
Sep 29, 12:47 PM EDTSpecial Weather StatementOKX58 min
Sep 29, 12:49 PM EDTSevere Thunderstorm WarningOKX41 min
Sep 29, 2:54 PM EDTAreal Flood AdvisoryOKX81 min
Sep 30, 10:58 PM EDTAreal Flood AdvisoryOKX3 hr
Oct 14, 12:50 AM EDTSpecial Weather StatementOKX55 min
Oct 14, 1:33 AM EDTSpecial Weather StatementOKX57 min
Oct 14, 2:25 AM EDTAreal Flood AdvisoryOKX80 min
Oct 14, 3:25 PM EDTAreal Flood AdvisoryOKX110 min
Oct 14, 3:33 PM EDTSpecial Weather StatementOKX57 min
Oct 15, 3:44 AM EDTWind AdvisoryOKX13 hr
Oct 27, 4:06 AM EDTFrost AdvisoryOKX30 hr
Oct 28, 5:41 PM EDTWinter Storm WarningOKX34 hr
Oct 28, 5:41 PM EDTWinter Weather AdvisoryOKX21 hr
Oct 29, 1:01 PM EDTMesoscale DiscussionSPC5 hr
Nov 22, 3:17 PM ESTFlood WatchOKX20 hr
Nov 22, 10:18 PM ESTAreal Flood AdvisoryOKX6 hr
Nov 23, 4:02 AM ESTAreal Flood AdvisoryOKX4 hr
Dec 5, 1:11 AM ESTDense Fog AdvisoryOKX9 hr
Dec 7, 3:45 AM ESTFlood WatchOKX24 hr
Dec 7, 6:55 PM ESTWind AdvisoryOKX12 hr
Dec 7, 7:07 PM ESTAreal Flood AdvisoryOKX3 hr
Dec 7, 9:53 PM ESTAreal Flood WarningOKX3 hr
Dec 8, 1:11 AM ESTAreal Flood WarningOKX3 hr
Dec 8, 4:01 AM ESTRiver Flood WarningOKX22 hr
Dec 8, 4:01 AM ESTRiver Flood WarningOKX5 hr
Dec 8, 4:24 AM ESTAreal Flood WarningOKX21 hr
Dec 8, 12:45 PM ESTRiver Flood WarningPHI3 hr
Dec 27, 7:42 PM ESTAreal Flood AdvisoryOKX2 hr
Dec 27, 7:49 PM ESTSpecial Weather StatementOKX86 min
Dec 27, 8:25 PM ESTSpecial Weather StatementOKX80 min
Dec 28, 12:57 AM ESTAreal Flood WarningOKX4 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 archive20102012

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.