Alert archive / Florida / Nassau County

Weather alerts in Nassau County, Florida, 2010

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

Nassau County and its neighbors

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

Alerts
428
Warnings
152
Watches
103
Advisories
96
Busiest month
December77 alerts
Busiest day
December 12, 201010 alerts

Over time

By month

Warning verification

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

1 of 1 tornado warnings covering Nassau County in 2010 had a tornado report inside them.

Nassau County, 2010

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings110%0
Severe thunderstorm warnings191332%6100%20 min
Flash flood warnings00

Each office's whole area, 2010

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Jacksonville, FL: tornado warnings19289%4100%4 min
NWS Jacksonville, FL: severe thunderstorm warnings16311927%21974%17 min
NWS Jacksonville, FL: flash flood warnings2150%1100%27 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 1, 1:40 PM ESTHard Freeze WatchJAX13 hr
Jan 1, 1:46 PM ESTFire Weather WatchJAX24 hr
Jan 1, 1:46 PM ESTRed Flag WarningJAX28 hr
Jan 2, 3:02 AM ESTHard Freeze WarningJAX31 hr
Jan 2, 1:16 PM ESTFire Weather WatchJAX25 hr
Jan 2, 1:16 PM ESTRed Flag WarningJAX29 hr
Jan 2, 2:59 PM ESTHard Freeze WatchJAX12 hr
Jan 3, 2:46 AM ESTHard Freeze WarningJAX31 hr
Jan 3, 1:51 PM ESTFire Weather WatchJAX37 hr
Jan 3, 1:51 PM ESTRed Flag WarningJAX28 hr
Jan 3, 2:20 PM ESTHard Freeze WatchJAX12 hr
Jan 3, 2:23 PM ESTWind Chill AdvisoryJAX19 hr
Jan 4, 2:26 AM ESTHard Freeze WarningJAX32 hr
Jan 4, 2:40 PM ESTFire Weather WatchJAX24 hr
Jan 4, 2:40 PM ESTRed Flag WarningJAX28 hr
Jan 4, 2:54 PM ESTWind Chill AdvisoryJAX20 hr
Jan 4, 2:57 PM ESTHard Freeze WatchJAX14 hr
Jan 5, 4:46 AM ESTHard Freeze WarningJAX28 hr
Jan 5, 2:24 PM ESTRed Flag WarningJAX29 hr
Jan 5, 2:25 PM ESTWind Chill AdvisoryJAX20 hr
Jan 5, 2:34 PM ESTHard Freeze WatchJAX14 hr
Jan 6, 2:30 AM ESTFire Weather WatchJAX12 hr
Jan 6, 4:43 AM ESTHard Freeze WarningJAX28 hr
Jan 6, 2:49 PM ESTRed Flag WarningJAX27 hr
Jan 7, 3:04 PM ESTFire Weather WatchJAX37 hr
Jan 8, 4:25 AM ESTFreeze WarningJAX30 hr
Jan 8, 4:25 AM ESTHard Freeze WatchJAX23 hr
Jan 8, 4:25 AM ESTHard Freeze WarningJAX30 hr
Jan 8, 4:30 AM ESTWind Chill AdvisoryJAX30 hr
Jan 8, 2:43 PM ESTFire Weather WatchJAX24 hr
Jan 8, 2:43 PM ESTRed Flag WarningJAX27 hr
Jan 9, 3:09 AM ESTHard Freeze WarningJAX32 hr
Jan 9, 2:09 PM ESTHard Freeze WatchJAX13 hr
Jan 9, 2:11 PM ESTWind Chill AdvisoryJAX21 hr
Jan 9, 2:18 PM ESTFire Weather WatchJAX14 hr
Jan 9, 2:18 PM ESTRed Flag WarningJAX28 hr
Jan 10, 3:02 AM ESTHard Freeze WarningJAX31 hr
Jan 10, 3:55 AM ESTRed Flag WarningJAX38 hr
Jan 10, 1:33 PM ESTHard Freeze WatchJAX14 hr
Jan 10, 2:18 PM ESTFire Weather WatchJAX13 hr
Jan 10, 7:22 PM ESTWind Chill AdvisoryJAX15 hr
Jan 11, 3:04 AM ESTHard Freeze WarningJAX31 hr
Jan 11, 3:43 AM ESTRed Flag WarningJAX38 hr
Jan 11, 2:06 PM ESTHard Freeze WatchJAX13 hr
Jan 12, 3:09 AM ESTHard Freeze WarningJAX30 hr
Jan 12, 2:27 PM ESTFreeze WatchJAX23 hr
Jan 13, 3:57 AM ESTFreeze WarningJAX29 hr
Jan 16, 9:12 PM ESTLake Wind AdvisoryJAX7 hr
Jan 17, 12:22 AM ESTMesoscale DiscussionSPC83 min
Jan 17, 1:29 AM ESTSpecial Weather StatementJAX46 min
Jan 17, 3:56 AM ESTLake Wind AdvisoryJAX11 hr
Jan 17, 2:29 PM ESTWind AdvisoryJAX5 hr
Jan 20, 4:08 AM ESTDense Fog AdvisoryJAX6 hr
Jan 21, 8:25 AM ESTTornado WatchSPC10 hr
Jan 21, 9:28 AM ESTSpecial Weather StatementJAX62 min
Jan 21, 11:35 AM ESTMesoscale DiscussionSPC55 min
Jan 21, 12:13 PM ESTSevere Thunderstorm WarningJAX47 min
Jan 21, 12:30 PM ESTSevere Thunderstorm WarningJAX45 min
Jan 21, 12:39 PM ESTTornado WarningJAX39 min
Jan 21, 1:06 PM ESTAreal Flood AdvisoryJAX114 min
Jan 21, 1:06 PM ESTSevere Thunderstorm WarningJAX39 min
Jan 21, 1:11 PM ESTAreal Flood AdvisoryJAX81 min
Jan 22, 5:25 PM ESTDense Fog AdvisoryJAX4 hr
Jan 24, 2:55 AM ESTLake Wind AdvisoryJAX39 hr
Jan 24, 3:41 PM ESTFire Weather WatchJAX23 hr
Jan 25, 12:45 PM ESTRed Flag WarningJAX4 hr
Jan 25, 2:54 PM ESTRed Flag WarningJAX27 hr
Jan 26, 2:53 AM ESTFire Weather WatchJAX12 hr
Jan 26, 3:10 AM ESTLake Wind AdvisoryJAX15 hr
Jan 26, 3:08 PM ESTRed Flag WarningJAX27 hr
Jan 27, 1:23 PM ESTFire Weather WatchJAX14 hr
Jan 27, 1:23 PM ESTRed Flag WarningJAX29 hr
Jan 27, 2:24 PM ESTFrost AdvisoryJAX19 hr
Feb 4, 3:57 AM ESTLake Wind AdvisoryJAX15 hr
Feb 5, 2:40 AM ESTLake Wind AdvisoryJAX17 hr
Feb 5, 4:59 AM ESTCoastal Flood StatementJAX13 hr
Feb 6, 2:04 AM ESTLake Wind AdvisoryJAX16 hr
Feb 7, 2:15 PM ESTFrost AdvisoryJAX19 hr
Feb 8, 1:47 PM ESTFire Weather WatchJAX12 hr
Feb 9, 2:13 AM ESTRed Flag WarningJAX41 hr
Feb 9, 1:59 PM ESTFire Weather WatchJAX38 hr
Feb 9, 2:59 PM ESTFreeze WatchJAX14 hr
Feb 9, 2:59 PM ESTLake Wind AdvisoryJAX28 hr
Feb 10, 5:16 AM ESTFreeze WarningJAX28 hr
Feb 10, 1:44 PM ESTWind Chill AdvisoryJAX20 hr
Feb 10, 2:59 PM ESTRed Flag WarningJAX27 hr
Feb 11, 2:33 PM ESTFreeze WatchJAX26 hr
Feb 12, 3:50 PM ESTWind Chill AdvisoryJAX18 hr
Feb 12, 4:06 PM ESTFreeze WarningJAX12 hr
Feb 12, 4:06 PM ESTHard Freeze WatchJAX23 hr
Feb 12, 7:57 PM ESTLake Wind AdvisoryJAX8 hr
Feb 13, 2:52 PM ESTFreeze WarningJAX18 hr
Feb 14, 11:55 AM ESTRiver Flood WarningJAX45 hr
Feb 14, 2:37 PM ESTFreeze WatchJAX22 hr
Feb 15, 4:05 AM ESTFire Weather WatchJAX23 hr
Feb 15, 11:51 AM ESTRed Flag WarningJAX4 hr
Feb 15, 1:01 PM ESTFreeze WarningJAX20 hr
Feb 16, 2:46 AM ESTFire Weather WatchJAX11 hr
Feb 16, 2:46 AM ESTRed Flag WarningJAX14 hr
Feb 16, 3:16 AM ESTWind Chill AdvisoryJAX30 hr
Feb 16, 3:54 AM ESTFreeze WatchJAX10 hr
Feb 16, 1:34 PM ESTRed Flag WarningJAX28 hr
Feb 16, 2:11 PM ESTFreeze WarningJAX19 hr
Feb 16, 6:27 PM ESTFire Weather WatchJAX20 hr
Feb 16, 9:00 PM ESTFreeze WatchJAX7 hr
Feb 17, 4:00 AM ESTFreeze WarningJAX29 hr
Feb 17, 2:18 PM ESTFire Weather WatchJAX24 hr
Feb 17, 2:18 PM ESTRed Flag WarningJAX28 hr
Feb 18, 3:40 AM ESTFreeze WatchJAX10 hr
Feb 18, 1:33 PM ESTFreeze WatchJAX24 hr
Feb 18, 1:33 PM ESTFreeze WarningJAX15 hr
Feb 18, 1:58 PM ESTFire Weather WatchJAX24 hr
Feb 18, 1:58 PM ESTRed Flag WarningJAX28 hr
Feb 19, 2:07 PM ESTRed Flag WarningJAX28 hr
Feb 23, 3:01 AM ESTFire Weather WatchJAX24 hr
Feb 23, 7:39 AM ESTDense Fog AdvisoryJAX101 min
Feb 24, 2:45 AM ESTFire Weather WatchJAX35 hr
Feb 24, 2:45 AM ESTRed Flag WarningJAX40 hr
Feb 24, 1:41 PM ESTFreeze WatchJAX15 hr
Feb 25, 4:19 AM ESTFreeze WarningJAX29 hr
Feb 25, 4:19 AM ESTLake Wind AdvisoryJAX13 hr
Feb 25, 1:59 PM ESTRed Flag WarningJAX29 hr
Feb 26, 2:05 PM ESTFire Weather WatchJAX32 hr
Feb 27, 10:19 PM ESTRed Flag WarningJAX20 hr
Feb 28, 2:13 PM ESTRed Flag WarningJAX28 hr
Mar 2, 2:49 AM ESTWind AdvisoryJAX19 hr
Mar 2, 3:21 AM ESTFire Weather WatchJAX34 hr
Mar 2, 4:40 PM ESTSpecial Weather StatementJAX50 min
Mar 3, 1:14 AM ESTLake Wind AdvisoryJAX17 hr
Mar 3, 2:42 AM ESTFire Weather WatchJAX35 hr
Mar 3, 1:42 PM ESTRed Flag WarningJAX28 hr
Mar 4, 1:45 PM ESTFreeze WarningJAX18 hr
Mar 4, 1:56 PM ESTRed Flag WarningJAX28 hr
Mar 5, 4:33 AM ESTFire Weather WatchJAX9 hr
Mar 5, 1:50 PM ESTFreeze WarningJAX18 hr
Mar 5, 1:59 PM ESTFire Weather WatchJAX25 hr
Mar 5, 1:59 PM ESTRed Flag WarningJAX29 hr
Mar 5, 8:19 PM ESTFrost AdvisoryJAX4 hr
Mar 6, 2:39 PM ESTFire Weather WatchJAX24 hr
Mar 6, 2:39 PM ESTRed Flag WarningJAX28 hr
Mar 6, 2:56 PM ESTFrost AdvisoryJAX17 hr
Mar 6, 2:56 PM ESTFreeze WarningJAX17 hr
Mar 7, 2:36 PM ESTRed Flag WarningJAX28 hr
Mar 9, 1:13 PM ESTRed Flag WarningJAX6 hr
Mar 11, 1:47 PM ESTLake Wind AdvisoryJAX5 hr
Mar 13, 3:24 AM ESTLake Wind AdvisoryJAX16 hr
Mar 13, 9:45 AM ESTRed Flag WarningJAX8 hr
Mar 14, 3:19 AM EDTLake Wind AdvisoryJAX15 hr
Mar 14, 6:04 AM EDTRed Flag WarningJAX12 hr
Mar 18, 3:03 PM EDTFire Weather WatchJAX13 hr
Mar 19, 4:11 AM EDTFire Weather WatchJAX24 hr
Mar 19, 4:11 AM EDTRed Flag WarningJAX15 hr
Mar 19, 2:28 PM EDTRed Flag WarningJAX29 hr
Mar 22, 3:25 AM EDTFire Weather WatchJAX48 hr
Mar 22, 4:07 PM EDTLake Wind AdvisoryJAX4 hr
Mar 27, 7:40 AM EDTLake Wind AdvisoryJAX10 hr
Mar 29, 9:14 AM EDTLake Wind AdvisoryJAX11 hr
Mar 29, 2:19 PM EDTFire Weather WatchJAX24 hr
Mar 29, 2:19 PM EDTRed Flag WarningJAX29 hr
Mar 30, 3:31 AM EDTRed Flag WarningJAX39 hr
Mar 30, 2:35 PM EDTFire Weather WatchJAX13 hr
Mar 31, 3:49 AM EDTFire Weather WatchJAX35 hr
Mar 31, 3:49 AM EDTRed Flag WarningJAX39 hr
Apr 1, 2:22 PM EDTFire Weather WatchJAX24 hr
Apr 1, 2:22 PM EDTRed Flag WarningJAX29 hr
Apr 2, 2:10 PM EDTRed Flag WarningJAX29 hr
Apr 3, 2:41 PM EDTRed Flag WarningJAX28 hr
Apr 4, 2:58 PM EDTFire Weather WatchJAX13 hr
Apr 9, 2:42 AM EDTSpecial Weather StatementJAX63 min
Apr 9, 3:08 AM EDTRed Flag WarningJAX16 hr
Apr 10, 3:28 AM EDTRed Flag WarningJAX16 hr
Apr 13, 9:45 AM EDTLake Wind AdvisoryJAX9 hr
Apr 15, 4:12 AM EDTLake Wind AdvisoryJAX14 hr
Apr 21, 2:40 PM EDTFire Weather WatchJAX12 hr
Apr 22, 2:21 AM EDTRed Flag WarningJAX17 hr
Apr 24, 2:13 PM EDTFire Weather WatchJAX25 hr
Apr 25, 2:55 AM EDTLake Wind AdvisoryJAX11 hr
Apr 25, 2:47 PM EDTRed Flag WarningJAX27 hr
Apr 25, 4:17 PM EDTMesoscale DiscussionSPC58 min
Apr 25, 4:50 PM EDTSevere Thunderstorm WarningJAX25 min
Apr 25, 6:17 PM EDTSevere Thunderstorm WarningJAX43 min
Apr 26, 4:06 AM EDTFire Weather WatchJAX25 hr
Apr 26, 4:21 AM EDTLake Wind AdvisoryJAX16 hr
Apr 26, 2:46 PM EDTFire Weather WatchJAX23 hr
Apr 26, 2:46 PM EDTRed Flag WarningJAX27 hr
Apr 27, 4:45 AM EDTLake Wind AdvisoryJAX14 hr
Apr 27, 2:06 PM EDTRed Flag WarningJAX28 hr
Apr 27, 6:56 PM EDTFire Weather WatchJAX33 hr
Apr 27, 7:37 PM EDTSpecial Weather StatementJAX23 min
Apr 29, 4:22 AM EDTRed Flag WarningJAX15 hr
May 1, 7:51 PM EDTSpecial Weather StatementJAX24 min
May 4, 11:41 AM EDTMesoscale DiscussionSPC2 hr
May 5, 5:42 PM EDTAreal Flood AdvisoryJAX2 hr
May 8, 2:56 PM EDTRed Flag WarningJAX29 hr
May 8, 5:01 PM EDTMesoscale DiscussionSPC119 min
May 21, 4:26 AM EDTDense Fog AdvisoryJAX5 hr
May 25, 4:39 AM EDTRip Current StatementJAX60 hr
May 31, 2:18 PM EDTAreal Flood AdvisoryJAX87 min
May 31, 2:25 PM EDTSpecial Weather StatementJAX50 min
May 31, 2:45 PM EDTSevere Thunderstorm WarningJAX45 min
May 31, 4:13 PM EDTAreal Flood AdvisoryJAX2 hr
May 31, 4:17 PM EDTSpecial Weather StatementJAX43 min
Jun 2, 5:51 PM EDTSpecial Weather StatementJAX39 min
Jun 5, 3:07 PM EDTSpecial Weather StatementJAX38 min
Jun 5, 3:21 PM EDTSevere Thunderstorm WarningJAX39 min
Jun 6, 1:23 PM EDTSevere Thunderstorm WarningJAX39 min
Jun 6, 2:11 PM EDTSpecial Weather StatementJAX49 min
Jun 6, 2:14 PM EDTSpecial Weather StatementJAX46 min
Jun 6, 7:59 PM EDTSpecial Weather StatementJAX46 min
Jun 11, 4:36 PM EDTSpecial Weather StatementJAX39 min
Jun 11, 4:47 PM EDTSevere Thunderstorm WarningJAX43 min
Jun 11, 5:26 PM EDTSevere Thunderstorm WarningJAX64 min
Jun 11, 5:41 PM EDTSpecial Weather StatementJAX49 min
Jun 11, 6:06 PM EDTSevere Thunderstorm WarningJAX44 min
Jun 15, 5:42 PM EDTSpecial Weather StatementJAX48 min
Jun 15, 11:26 PM EDTSpecial Weather StatementJAX49 min
Jun 15, 11:59 PM EDTSpecial Weather StatementJAX46 min
Jun 16, 3:39 PM EDTSpecial Weather StatementJAX51 min
Jun 17, 4:25 PM EDTSevere Thunderstorm WarningJAX50 min
Jun 17, 5:16 PM EDTSpecial Weather StatementJAX44 min
Jun 17, 5:34 PM EDTSevere Thunderstorm WarningJAX29 min
Jun 17, 5:51 PM EDTSpecial Weather StatementJAX39 min
Jun 17, 6:17 PM EDTAreal Flood AdvisoryJAX58 min
Jun 18, 3:45 PM EDTSpecial Weather StatementJAX45 min
Jun 19, 3:46 PM EDTSpecial Weather StatementJAX29 min
Jun 19, 4:18 PM EDTSpecial Weather StatementJAX42 min
Jun 20, 2:53 PM EDTSevere Thunderstorm WarningJAX21 min
Jun 20, 3:02 PM EDTSpecial Weather StatementJAX43 min
Jun 20, 3:06 PM EDTSevere Thunderstorm WarningJAX24 min
Jun 20, 3:29 PM EDTSpecial Weather StatementJAX16 min
Jun 20, 3:42 PM EDTSpecial Weather StatementJAX63 min
Jun 20, 3:46 PM EDTAreal Flood AdvisoryJAX59 min
Jun 21, 3:48 PM EDTSpecial Weather StatementJAX42 min
Jun 21, 3:53 PM EDTAreal Flood AdvisoryJAX82 min
Jun 21, 4:13 PM EDTSpecial Weather StatementJAX47 min
Jun 21, 4:36 PM EDTAreal Flood AdvisoryJAX114 min
Jun 25, 6:29 PM EDTSpecial Weather StatementJAX61 min
Jun 25, 7:27 PM EDTAreal Flood AdvisoryJAX93 min
Jun 26, 5:19 PM EDTSevere Thunderstorm WarningJAX41 min
Jun 26, 6:11 PM EDTSpecial Weather StatementJAX64 min
Jun 26, 6:38 PM EDTSpecial Weather StatementJAX52 min
Jun 26, 6:59 PM EDTAreal Flood AdvisoryJAX2 hr
Jun 27, 4:19 PM EDTSpecial Weather StatementJAX26 min
Jun 27, 4:25 PM EDTSpecial Weather StatementJAX50 min
Jun 27, 5:14 PM EDTSpecial Weather StatementJAX46 min
Jun 27, 5:18 PM EDTAreal Flood AdvisoryJAX87 min
Jun 28, 5:38 PM EDTSpecial Weather StatementJAX52 min
Jun 28, 6:19 PM EDTAreal Flood AdvisoryJAX86 min
Jun 29, 1:33 PM EDTSpecial Weather StatementJAX42 min
Jun 29, 3:40 PM EDTAreal Flood AdvisoryJAX2 hr
Jun 30, 11:04 AM EDTSpecial Weather StatementJAX41 min
Jun 30, 11:41 AM EDTAreal Flood AdvisoryJAX94 min
Jul 1, 5:19 PM EDTAreal Flood AdvisoryJAX116 min
Jul 11, 6:08 PM EDTAreal Flood AdvisoryJAX67 min
Jul 11, 7:48 PM EDTAreal Flood AdvisoryJAX87 min
Jul 27, 11:23 PM EDTSpecial Weather StatementJAX52 min
Jul 28, 4:22 PM EDTSpecial Weather StatementJAX23 min
Jul 29, 4:00 AM EDTHeat AdvisoryJAX4 days
Jul 29, 6:24 PM EDTAreal Flood AdvisoryJAX111 min
Jul 30, 6:51 PM EDTAreal Flood AdvisoryJAX114 min
Jul 31, 2:15 PM EDTAreal Flood AdvisoryJAX105 min
Jul 31, 2:16 PM EDTAreal Flood AdvisoryJAX104 min
Jul 31, 3:21 PM EDTSevere Thunderstorm WarningJAX39 min
Jul 31, 3:48 PM EDTAreal Flood AdvisoryJAX117 min
Aug 1, 5:38 PM EDTSpecial Weather StatementJAX52 min
Aug 1, 6:53 PM EDTAreal Flood AdvisoryJAX82 min
Aug 7, 4:48 PM EDTAreal Flood AdvisoryJAX87 min
Aug 7, 6:51 PM EDTSpecial Weather StatementJAX39 min
Aug 13, 3:40 AM EDTHeat AdvisoryJAX15 hr
Aug 14, 1:54 PM EDTSpecial Weather StatementJAX51 min
Aug 15, 4:15 PM EDTSpecial Weather StatementJAX45 min
Aug 16, 6:22 PM EDTAreal Flood AdvisoryJAX53 min
Aug 19, 5:07 PM EDTSpecial Weather StatementJAX33 min
Aug 19, 6:22 PM EDTSpecial Weather StatementJAX38 min
Aug 21, 7:25 PM EDTSpecial Weather StatementJAX35 min
Aug 21, 7:40 PM EDTAreal Flood AdvisoryJAX65 min
Aug 22, 5:28 PM EDTSpecial Weather StatementJAX32 min
Aug 22, 6:49 PM EDTAreal Flood AdvisoryJAX56 min
Aug 24, 12:25 PM EDTMesoscale DiscussionSPC95 min
Aug 26, 2:19 PM EDTMesoscale DiscussionSPC86 min
Aug 26, 4:49 PM EDTAreal Flood AdvisoryJAX75 min
Aug 26, 4:59 PM EDTSpecial Weather StatementJAX46 min
Aug 26, 5:10 PM EDTAreal Flood AdvisoryJAX65 min
Aug 26, 5:51 PM EDTSpecial Weather StatementJAX39 min
Aug 26, 6:17 PM EDTAreal Flood AdvisoryJAX58 min
Aug 26, 7:18 PM EDTAreal Flood WarningJAX94 min
Aug 28, 4:47 AM EDTRip Current StatementJAX15 hr
Aug 28, 8:22 PM EDTRip Current StatementJAX24 hr
Aug 30, 4:37 AM EDTRip Current StatementJAX15 hr
Sep 1, 3:42 AM EDTRip Current StatementJAX49 hr
Sep 1, 3:42 AM EDTHigh Surf AdvisoryJAX49 hr
Sep 1, 4:12 AM EDTLake Wind AdvisoryJAX11 hr
Sep 3, 5:19 AM EDTRed Flag WarningJAX9 hr
Sep 9, 6:21 AM EDTDense Fog AdvisoryJAX2 hr
Sep 12, 2:33 PM EDTSpecial Weather StatementJAX42 min
Sep 12, 3:17 PM EDTAreal Flood AdvisoryJAX88 min
Sep 12, 3:17 PM EDTSpecial Weather StatementJAX43 min
Sep 17, 3:46 AM EDTRip Current StatementJAX7 days
Sep 18, 2:35 PM EDTHigh Surf AdvisoryJAX51 hr
Sep 27, 8:53 AM EDTMesoscale DiscussionSPC97 min
Sep 27, 12:54 PM EDTSevere Thunderstorm WarningJAX51 min
Sep 27, 1:21 PM EDTSpecial Weather StatementJAX39 min
Sep 27, 1:30 PM EDTSevere Thunderstorm WarningJAX45 min
Sep 29, 4:27 AM EDTRip Current StatementJAX26 hr
Oct 2, 5:40 AM EDTRip Current StatementJAX15 hr
Oct 3, 4:07 AM EDTRed Flag WarningJAX14 hr
Oct 5, 2:46 PM EDTFire Weather WatchJAX36 hr
Oct 5, 2:46 PM EDTRed Flag WarningJAX28 hr
Oct 6, 3:38 AM EDTCoastal Flood StatementJAX67 hr
Oct 7, 3:12 AM EDTFire Weather WatchJAX27 hr
Oct 7, 3:12 AM EDTRed Flag WarningJAX16 hr
Oct 8, 5:48 AM EDTRed Flag WarningJAX13 hr
Oct 9, 6:04 AM EDTCoastal Flood StatementJAX31 hr
Oct 13, 2:47 PM EDTFire Weather WatchJAX38 hr
Oct 14, 2:22 PM EDTFire Weather WatchJAX14 hr
Oct 14, 2:22 PM EDTRed Flag WarningJAX4 hr
Oct 14, 2:22 PM EDTRed Flag WarningJAX29 hr
Oct 15, 4:18 AM EDTRed Flag WarningJAX39 hr
Oct 15, 2:13 PM EDTFire Weather WatchJAX38 hr
Oct 16, 2:20 PM EDTRed Flag WarningJAX24 hr
Oct 17, 2:20 PM EDTRed Flag WarningJAX5 hr
Oct 17, 2:20 PM EDTRed Flag WarningJAX29 hr
Oct 20, 3:39 AM EDTFire Weather WatchJAX25 hr
Oct 20, 3:02 PM EDTRed Flag WarningJAX28 hr
Oct 21, 2:06 PM EDTRed Flag WarningJAX29 hr
Oct 29, 4:25 AM EDTLake Wind AdvisoryJAX15 hr
Nov 4, 2:34 AM EDTFire Weather WatchJAX26 hr
Nov 4, 2:41 PM EDTSpecial Weather StatementJAX49 min
Nov 5, 4:18 AM EDTFire Weather WatchJAX25 hr
Nov 5, 4:18 AM EDTRed Flag WarningJAX15 hr
Nov 5, 3:02 PM EDTRed Flag WarningJAX28 hr
Nov 6, 4:05 AM EDTFreeze WarningJAX29 hr
Nov 6, 3:10 PM EDTFire Weather WatchJAX24 hr
Nov 6, 3:10 PM EDTRed Flag WarningJAX28 hr
Nov 7, 3:22 AM ESTLake Wind AdvisoryJAX15 hr
Nov 7, 2:34 PM ESTFire Weather WatchJAX24 hr
Nov 7, 2:34 PM ESTRed Flag WarningJAX26 hr
Nov 8, 2:37 PM ESTRed Flag WarningJAX27 hr
Nov 9, 2:22 PM ESTRed Flag WarningJAX27 hr
Nov 12, 5:19 AM ESTRip Current StatementJAX62 hr
Nov 14, 5:14 AM ESTRed Flag WarningJAX13 hr
Nov 16, 1:34 PM ESTSpecial Weather StatementJAX41 min
Nov 17, 3:02 AM ESTFire Weather WatchJAX25 hr
Nov 18, 3:36 AM ESTRed Flag WarningJAX13 hr
Nov 21, 1:09 AM ESTDense Fog AdvisoryJAX7 hr
Nov 24, 11:38 PM ESTDense Fog AdvisoryJAX10 hr
Nov 25, 2:40 PM ESTFire Weather WatchJAX24 hr
Nov 26, 2:39 PM ESTRed Flag WarningJAX27 hr
Nov 30, 3:59 AM ESTFreeze WatchJAX24 hr
Nov 30, 2:26 PM ESTFire Weather WatchJAX23 hr
Nov 30, 2:26 PM ESTRed Flag WarningJAX27 hr
Dec 1, 3:31 AM ESTFreeze WarningJAX28 hr
Dec 1, 1:36 PM ESTRed Flag WarningJAX28 hr
Dec 1, 2:42 PM ESTFreeze WatchJAX18 hr
Dec 2, 2:35 AM ESTFire Weather WatchJAX12 hr
Dec 2, 8:15 AM ESTFreeze WarningJAX24 hr
Dec 2, 2:08 PM ESTRed Flag WarningJAX28 hr
Dec 4, 3:31 PM ESTFreeze WatchJAX12 hr
Dec 5, 2:31 AM ESTFire Weather WatchJAX15 hr
Dec 5, 2:31 AM ESTRed Flag WarningJAX14 hr
Dec 5, 3:11 AM ESTFreeze WarningJAX30 hr
Dec 5, 3:11 AM ESTHard Freeze WatchJAX24 hr
Dec 5, 2:46 PM ESTWind Chill AdvisoryJAX18 hr
Dec 5, 3:43 PM ESTFire Weather WatchJAX10 hr
Dec 5, 3:43 PM ESTRed Flag WarningJAX26 hr
Dec 6, 2:07 AM ESTRed Flag WarningJAX40 hr
Dec 6, 3:00 AM ESTHard Freeze WarningJAX30 hr
Dec 6, 9:17 AM ESTHard Freeze WatchJAX19 hr
Dec 6, 3:04 PM ESTWind Chill AdvisoryJAX19 hr
Dec 6, 3:37 PM ESTFire Weather WatchJAX23 hr
Dec 7, 4:34 AM ESTHard Freeze WatchJAX34 hr
Dec 7, 4:34 AM ESTHard Freeze WarningJAX28 hr
Dec 7, 11:27 AM ESTLake Wind AdvisoryJAX6 hr
Dec 7, 2:43 PM ESTRed Flag WarningJAX27 hr
Dec 8, 2:35 PM ESTFreeze WarningJAX17 hr
Dec 11, 2:04 PM ESTFire Weather WatchJAX24 hr
Dec 11, 5:15 PM ESTFreeze WatchJAX11 hr
Dec 12, 2:17 AM ESTDense Fog AdvisoryJAX4 hr
Dec 12, 4:20 AM ESTFreeze WarningJAX30 hr
Dec 12, 4:20 AM ESTHard Freeze WatchJAX24 hr
Dec 12, 4:20 AM ESTHard Freeze WarningJAX30 hr
Dec 12, 4:20 AM ESTLake Wind AdvisoryJAX14 hr
Dec 12, 4:27 AM ESTWind Chill AdvisoryJAX30 hr
Dec 12, 4:40 AM ESTFire Weather WatchJAX33 hr
Dec 12, 7:23 AM ESTSpecial Weather StatementJAX52 min
Dec 12, 8:35 AM ESTSpecial Weather StatementJAX55 min
Dec 12, 2:04 PM ESTRed Flag WarningJAX28 hr
Dec 13, 4:39 AM ESTHard Freeze WatchJAX23 hr
Dec 13, 4:39 AM ESTHard Freeze WarningJAX29 hr
Dec 13, 4:39 AM ESTLake Wind AdvisoryJAX14 hr
Dec 13, 4:47 AM ESTWind Chill AdvisoryJAX29 hr
Dec 13, 2:03 PM ESTFire Weather WatchJAX13 hr
Dec 13, 2:03 PM ESTRed Flag WarningJAX29 hr
Dec 14, 3:17 AM ESTRed Flag WarningJAX40 hr
Dec 14, 4:02 AM ESTHard Freeze WarningJAX30 hr
Dec 14, 1:10 PM ESTFire Weather WatchJAX38 hr
Dec 15, 4:15 AM ESTFreeze WatchJAX10 hr
Dec 15, 1:45 PM ESTFreeze WarningJAX18 hr
Dec 15, 1:53 PM ESTRed Flag WarningJAX28 hr
Dec 18, 5:49 PM ESTDense Fog AdvisoryJAX3 hr
Dec 19, 12:54 PM ESTFreeze WarningJAX20 hr
Dec 19, 2:02 PM ESTFire Weather WatchJAX15 hr
Dec 19, 2:02 PM ESTRed Flag WarningJAX28 hr
Dec 20, 3:21 AM ESTFreeze WatchJAX11 hr
Dec 20, 2:13 PM ESTFreeze WarningJAX19 hr
Dec 20, 10:05 PM ESTFire Weather WatchJAX5 hr
Dec 21, 9:20 AM ESTRed Flag WarningJAX8 hr
Dec 22, 2:41 PM ESTFreeze WatchJAX24 hr
Dec 22, 7:34 PM ESTFire Weather WatchJAX8 hr
Dec 23, 10:51 AM ESTLake Wind AdvisoryJAX5 hr
Dec 23, 2:45 PM ESTFreeze WarningJAX18 hr
Dec 24, 8:32 PM ESTFrost AdvisoryJAX11 hr
Dec 25, 2:59 AM ESTHard Freeze WatchJAX11 hr
Dec 25, 2:01 PM ESTHard Freeze WarningJAX43 hr
Dec 25, 2:27 PM ESTFire Weather WatchJAX24 hr
Dec 25, 8:50 PM ESTLake Wind AdvisoryJAX24 hr
Dec 26, 2:54 AM ESTHard Freeze WatchJAX24 hr
Dec 26, 3:04 AM ESTWind Chill AdvisoryJAX31 hr
Dec 26, 2:04 PM ESTFire Weather WatchJAX14 hr
Dec 26, 2:04 PM ESTRed Flag WarningJAX28 hr
Dec 27, 3:07 AM ESTHard Freeze WarningJAX30 hr
Dec 27, 3:39 AM ESTFire Weather WatchJAX39 hr
Dec 27, 3:39 AM ESTRed Flag WarningJAX38 hr
Dec 27, 1:39 PM ESTFreeze WatchJAX14 hr
Dec 28, 4:06 AM ESTHard Freeze WarningJAX29 hr
Dec 28, 7:05 PM ESTRed Flag WarningJAX23 hr
Dec 29, 3:57 AM ESTFreeze WatchJAX11 hr
Dec 29, 2:36 PM ESTFreeze WarningJAX18 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.