Alert archive / Pennsylvania / Bucks County

Weather alerts in Bucks County, Pennsylvania, 2018

281 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Bucks County and its neighbors

Each county as a circle sized by its count in 2018. Tap one for its archive.

Alerts
281
Warnings
82
Watches
34
Advisories
123
Busiest month
August41 alerts
Busiest day
November 3, 201814 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 4 tornado warnings covering Bucks County in 2018 had a tornado report inside them.

Bucks County, 2018

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings40100%0
Severe thunderstorm warnings191237%3100%19 min
Flash flood warnings141029%5100%73 min

Each office's whole area, 2018

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Philadelphia/Mount Holly: tornado warnings10280%450%6 min
NWS Philadelphia/Mount Holly: severe thunderstorm warnings1105649%27781%27 min
NWS Philadelphia/Mount Holly: flash flood warnings1135452%17494%92 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 3, 4:03 AM ESTWinter Storm WarningPHI38 hr
Jan 3, 4:03 AM ESTWinter Weather AdvisoryPHI38 hr
Jan 4, 3:48 AM ESTWind Chill AdvisoryPHI3 days
Jan 7, 2:50 PM ESTWinter Weather AdvisoryPHI33 hr
Jan 12, 1:36 PM ESTAreal Flood AdvisoryPHI3 hr
Jan 15, 5:28 AM ESTAreal Flood WarningPHI12 hr
Jan 15, 7:59 AM ESTRiver Flood WarningPHI27 hr
Jan 15, 3:13 PM ESTWinter Weather AdvisoryPHI44 hr
Jan 23, 5:35 AM ESTAreal Flood AdvisoryPHI4 hr
Jan 23, 10:42 AM ESTSpecial Weather StatementPHI48 min
Jan 23, 11:23 AM ESTSpecial Weather StatementPHI37 min
Feb 3, 3:11 PM ESTWinter Weather AdvisoryPHI30 hr
Feb 4, 6:01 PM ESTAreal Flood AdvisoryPHI4 hr
Feb 6, 3:37 PM ESTWinter Weather AdvisoryPHI27 hr
Feb 10, 3:20 AM ESTFlood WatchPHI39 hr
Feb 10, 11:01 PM ESTDense Fog AdvisoryPHI8 hr
Feb 11, 7:53 AM ESTAreal Flood AdvisoryPHI16 hr
Feb 11, 10:38 AM ESTAreal Flood AdvisoryPHI14 hr
Feb 11, 10:51 AM ESTAreal Flood AdvisoryPHI8 hr
Feb 11, 3:15 PM ESTRiver Flood WarningPHI17 hr
Feb 16, 3:51 AM ESTWinter Storm WatchPHI24 hr
Feb 17, 3:45 AM ESTWinter Weather AdvisoryPHI20 hr
Feb 17, 6:32 PM ESTMesoscale DiscussionSPC4 hr
Feb 17, 7:41 PM ESTWinter Storm WarningPHI4 hr
Feb 19, 11:00 PM ESTDense Fog AdvisoryPHI11 hr
Feb 25, 10:36 PM ESTDense Fog AdvisoryPHI7 hr
Feb 28, 3:12 PM ESTHigh Wind WatchPHI24 hr
Feb 28, 3:45 PM ESTFlood WatchPHI45 hr
Mar 1, 11:44 AM ESTHigh Wind WarningPHI40 hr
Mar 1, 3:30 PM ESTWind AdvisoryPHI45 hr
Mar 1, 3:41 PM ESTWinter Weather AdvisoryPHI30 hr
Mar 2, 12:43 AM ESTAreal Flood AdvisoryPHI4 hr
Mar 2, 2:26 AM ESTAreal Flood AdvisoryPHI4 hr
Mar 2, 4:37 AM ESTAreal Flood AdvisoryPHI3 hr
Mar 2, 6:29 AM ESTAreal Flood AdvisoryPHI4 hr
Mar 2, 10:23 AM ESTAreal Flood AdvisoryPHI4 hr
Mar 4, 2:57 PM ESTCoastal Flood AdvisoryPHI3 hr
Mar 4, 2:57 PM ESTCoastal Flood AdvisoryPHI23 hr
Mar 5, 3:34 AM ESTWinter Storm WatchPHI36 hr
Mar 6, 3:37 AM ESTWinter Storm WarningPHI41 hr
Mar 6, 2:30 PM ESTCoastal Flood AdvisoryPHI15 hr
Mar 6, 2:30 PM ESTCoastal Flood AdvisoryPHI37 hr
Mar 7, 8:47 AM ESTMesoscale DiscussionSPC4 hr
Mar 7, 1:25 PM ESTMesoscale DiscussionSPC6 hr
Mar 19, 3:36 PM EDTWinter Storm WatchPHI13 hr
Mar 20, 4:41 AM EDTWinter Storm WarningPHI47 hr
Mar 20, 12:19 PM EDTMesoscale DiscussionSPC4 hr
Mar 25, 9:17 AM EDTSpecial Weather StatementPHI118 min
Apr 1, 4:08 AM EDTWinter Weather AdvisoryPHI33 hr
Apr 2, 3:47 AM EDTMesoscale DiscussionSPC6 hr
Apr 3, 3:32 PM EDTWind AdvisoryPHI28 hr
Apr 4, 12:01 AM EDTDense Fog AdvisoryPHI10 hr
Apr 4, 3:44 AM EDTHigh Wind WarningPHI16 hr
Apr 4, 12:39 PM EDTSevere Thunderstorm WarningPHI51 min
Apr 15, 6:08 AM EDTCoastal Flood AdvisoryPHI39 hr
Apr 15, 3:41 PM EDTFlash Flood WatchPHI20 hr
Apr 16, 5:52 AM EDTAreal Flood AdvisoryPHI7 hr
Apr 16, 6:30 AM EDTAreal Flood AdvisoryPHI4 hr
Apr 16, 7:26 AM EDTSpecial Weather StatementPHI34 min
Apr 16, 9:26 AM EDTAreal Flood WarningPHI4 hr
Apr 16, 11:41 AM EDTRiver Flood WarningPHI12 hr
Apr 16, 1:31 PM EDTAreal Flood WarningPHI4 hr
Apr 16, 2:45 PM EDTCoastal Flood WarningPHI3 hr
Apr 17, 2:36 PM EDTFreeze WarningPHI17 hr
Apr 20, 3:35 PM EDTFrost AdvisoryPHI16 hr
Apr 20, 3:35 PM EDTFreeze WarningPHI16 hr
Apr 28, 5:16 AM EDTDense Fog AdvisoryPHI4 hr
Apr 28, 3:11 PM EDTMesoscale DiscussionSPC2 hr
Apr 28, 6:09 PM EDTSpecial Weather StatementPHI36 min
Apr 28, 6:21 PM EDTSpecial Weather StatementPHI24 min
May 2, 3:42 AM EDTRed Flag WarningPHI17 hr
May 3, 3:35 AM EDTRed Flag WarningPHI16 hr
May 3, 6:03 PM EDTMesoscale DiscussionSPC2 hr
May 4, 10:03 PM EDTSpecial Weather StatementPHI27 min
May 4, 10:28 PM EDTSpecial Weather StatementPHI62 min
May 12, 3:59 PM EDTMesoscale DiscussionSPC3 hr
May 12, 4:58 PM EDTTornado WatchSPC5 hr
May 12, 7:16 PM EDTMesoscale DiscussionSPC59 min
May 12, 7:37 PM EDTAreal Flood AdvisoryPHI2 hr
May 15, 3:40 AM EDTFlash Flood WatchPHI21 hr
May 15, 1:46 PM EDTSevere Thunderstorm WatchSPC9 hr
May 15, 3:33 PM EDTMesoscale DiscussionSPC117 min
May 15, 4:26 PM EDTTornado WarningPHI19 min
May 15, 4:41 PM EDTSevere Thunderstorm WarningPHI64 min
May 15, 5:22 PM EDTSevere Thunderstorm WarningPHI38 min
May 15, 5:31 PM EDTAreal Flood AdvisoryPHI3 hr
May 15, 5:35 PM EDTAreal Flood AdvisoryPHI4 hr
May 15, 5:53 PM EDTSevere Thunderstorm WarningPHI52 min
May 16, 3:35 PM EDTFlood WatchPHI3 days
May 17, 2:32 AM EDTAreal Flood AdvisoryPHI4 hr
May 17, 4:26 AM EDTAreal Flood AdvisoryPHI4 hr
May 17, 6:29 AM EDTAreal Flood AdvisoryPHI2 hr
May 17, 9:50 AM EDTRiver Flood WarningPHI3 hr
May 18, 4:04 AM EDTCoastal Flood AdvisoryPHI27 hr
May 19, 9:27 PM EDTDense Fog AdvisoryPHI9 hr
May 26, 11:38 PM EDTFlash Flood WatchPHI23 hr
May 27, 6:33 AM EDTFlash Flood WarningPHI4 hr
May 27, 7:30 AM EDTFlash Flood WarningPHI4 hr
May 27, 8:01 AM EDTFlash Flood WarningPHI4 hr
May 27, 9:17 AM EDTAreal Flood AdvisoryPHI3 hr
May 27, 9:21 AM EDTRiver Flood WarningPHI12 hr
May 27, 10:27 AM EDTAreal Flood WarningPHI8 hr
May 27, 11:18 AM EDTAreal Flood WarningPHI7 hr
May 27, 3:22 PM EDTCoastal Flood AdvisoryPHI12 hr
May 27, 6:07 PM EDTAreal Flood WarningPHI4 hr
May 30, 4:43 AM EDTDense Fog AdvisoryPHI4 hr
Jun 2, 3:26 AM EDTFlash Flood WatchPHI24 hr
Jun 5, 3:05 PM EDTMesoscale DiscussionSPC2 hr
Jun 10, 10:38 PM EDTAreal Flood WarningPHI20 hr
Jun 13, 10:46 PM EDTMesoscale DiscussionSPC59 min
Jun 17, 2:39 PM EDTHeat AdvisoryPHI29 hr
Jun 18, 5:55 PM EDTMesoscale DiscussionSPC2 hr
Jun 18, 7:30 PM EDTSevere Thunderstorm WarningPHI60 min
Jun 18, 7:41 PM EDTSevere Thunderstorm WarningPHI64 min
Jun 18, 8:42 PM EDTSevere Thunderstorm WarningPHI48 min
Jun 24, 6:16 PM EDTMesoscale DiscussionSPC119 min
Jun 24, 7:08 PM EDTAreal Flood AdvisoryPHI114 min
Jun 24, 7:32 PM EDTSevere Thunderstorm WarningPHI28 min
Jun 28, 4:52 AM EDTAreal Flood AdvisoryPHI4 hr
Jun 28, 5:49 AM EDTAreal Flood AdvisoryPHI2 hr
Jun 28, 9:30 AM EDTAreal Flood WarningPHI4 hr
Jun 29, 3:41 PM EDTExcessive Heat WatchPHI23 hr
Jun 29, 3:41 PM EDTExcessive Heat WarningPHI4 days
Jun 29, 3:41 PM EDTHeat AdvisoryPHI5 days
Jul 3, 4:30 PM EDTSpecial Weather StatementPHI60 min
Jul 3, 5:29 PM EDTAreal Flood AdvisoryPHI4 hr
Jul 3, 6:25 PM EDTSevere Thunderstorm WarningPHI50 min
Jul 3, 6:37 PM EDTFlash Flood WarningPHI3 hr
Jul 3, 7:06 PM EDTFlash Flood WarningPHI2 hr
Jul 4, 6:13 PM EDTSpecial Weather StatementPHI32 min
Jul 5, 2:59 PM EDTFlash Flood WatchPHI20 hr
Jul 6, 3:46 AM EDTAreal Flood AdvisoryPHI5 hr
Jul 6, 5:37 AM EDTAreal Flood AdvisoryPHI4 hr
Jul 6, 7:01 AM EDTFlash Flood WarningPHI4 hr
Jul 15, 9:47 AM EDTAreal Flood AdvisoryPHI4 hr
Jul 17, 3:36 AM EDTFlash Flood WatchPHI15 hr
Jul 17, 11:49 AM EDTMesoscale DiscussionSPC116 min
Jul 17, 2:05 PM EDTAreal Flood AdvisoryPHI3 hr
Jul 17, 2:50 PM EDTAreal Flood AdvisoryPHI3 hr
Jul 17, 4:03 PM EDTAreal Flood AdvisoryPHI2 hr
Jul 20, 2:44 PM EDTFlash Flood WatchPHI34 hr
Jul 23, 3:45 AM EDTFlash Flood WatchPHI68 hr
Jul 24, 12:56 AM EDTAreal Flood AdvisoryPHI4 hr
Jul 24, 4:56 AM EDTAreal Flood AdvisoryPHI4 hr
Jul 24, 1:22 PM EDTAreal Flood AdvisoryPHI3 hr
Jul 25, 5:43 PM EDTSpecial Weather StatementPHI32 min
Jul 25, 6:17 PM EDTSpecial Weather StatementPHI43 min
Jul 25, 7:09 PM EDTAreal Flood AdvisoryPHI4 hr
Jul 25, 7:23 PM EDTAreal Flood AdvisoryPHI3 hr
Jul 25, 8:24 PM EDTAreal Flood AdvisoryPHI2 hr
Jul 27, 9:50 AM EDTFlash Flood WatchPHI13 hr
Jul 27, 12:59 PM EDTMesoscale DiscussionSPC91 min
Jul 27, 1:08 PM EDTSpecial Weather StatementPHI37 min
Jul 27, 1:17 PM EDTSevere Thunderstorm WatchSPC9 hr
Jul 27, 1:19 PM EDTAreal Flood AdvisoryPHI4 hr
Jul 27, 4:43 PM EDTAreal Flood AdvisoryPHI5 hr
Jul 27, 4:50 PM EDTMesoscale DiscussionSPC55 min
Jul 27, 7:06 PM EDTMesoscale DiscussionSPC54 min
Jul 27, 7:37 PM EDTAreal Flood AdvisoryPHI116 min
Jul 27, 7:55 PM EDTAreal Flood AdvisoryPHI108 min
Aug 1, 10:40 PM EDTSevere Thunderstorm WarningPHI37 min
Aug 2, 11:46 AM EDTMesoscale DiscussionSPC119 min
Aug 3, 1:01 PM EDTSpecial Weather StatementPHI44 min
Aug 3, 1:27 PM EDTSevere Thunderstorm WarningPHI48 min
Aug 4, 5:45 AM EDTAreal Flood AdvisoryPHI7 hr
Aug 4, 6:55 AM EDTAreal Flood AdvisoryPHI4 hr
Aug 5, 3:05 PM EDTHeat AdvisoryPHI27 hr
Aug 7, 12:19 PM EDTHeat AdvisoryPHI6 hr
Aug 7, 3:31 PM EDTHeat AdvisoryPHI26 hr
Aug 9, 5:29 PM EDTCoastal Flood AdvisoryPHI10 hr
Aug 10, 5:10 PM EDTCoastal Flood AdvisoryPHI11 hr
Aug 11, 3:24 AM EDTFlash Flood WatchPHI20 hr
Aug 11, 4:26 AM EDTCoastal Flood AdvisoryPHI24 hr
Aug 11, 6:06 AM EDTAreal Flood AdvisoryPHI6 hr
Aug 11, 6:31 AM EDTAreal Flood AdvisoryPHI7 hr
Aug 11, 1:51 PM EDTSevere Thunderstorm WarningPHI39 min
Aug 11, 2:00 PM EDTFlash Flood WarningPHI9 hr
Aug 11, 2:14 PM EDTFlash Flood WarningPHI3 hr
Aug 11, 2:26 PM EDTSpecial Weather StatementPHI34 min
Aug 11, 2:42 PM EDTSpecial Weather StatementPHI33 min
Aug 11, 5:36 PM EDTAreal Flood WarningPHI4 hr
Aug 11, 10:28 PM EDTAreal Flood WarningPHI4 hr
Aug 12, 5:28 AM EDTCoastal Flood AdvisoryPHI24 hr
Aug 12, 10:08 PM EDTFlash Flood WatchPHI24 hr
Aug 13, 8:43 AM EDTFlash Flood WarningPHI4 hr
Aug 13, 12:37 PM EDTAreal Flood WarningPHI18 hr
Aug 13, 8:51 PM EDTSevere Thunderstorm WarningPHI54 min
Aug 13, 9:00 PM EDTSevere Thunderstorm WarningPHI60 min
Aug 13, 9:16 PM EDTSevere Thunderstorm WarningPHI44 min
Aug 14, 12:50 PM EDTAreal Flood AdvisoryPHI4 hr
Aug 17, 7:09 PM EDTSevere Thunderstorm WarningPHI51 min
Aug 17, 7:31 PM EDTMesoscale DiscussionSPC89 min
Aug 17, 7:42 PM EDTSpecial Weather StatementPHI33 min
Aug 17, 8:17 PM EDTSevere Thunderstorm WarningPHI43 min
Aug 17, 10:59 PM EDTAreal Flood AdvisoryPHI75 min
Aug 18, 3:16 AM EDTFlash Flood WatchPHI20 hr
Aug 21, 10:46 PM EDTAreal Flood AdvisoryPHI4 hr
Aug 21, 11:08 PM EDTFlash Flood WarningPHI4 hr
Aug 21, 11:18 PM EDTAreal Flood AdvisoryPHI3 hr
Aug 22, 2:54 AM EDTAreal Flood WarningPHI8 hr
Aug 27, 2:58 AM EDTHeat AdvisoryPHI65 hr
Sep 3, 3:02 AM EDTHeat AdvisoryPHI4 days
Sep 8, 2:43 AM EDTAreal Flood AdvisoryPHI6 hr
Sep 8, 3:34 AM EDTFlood WatchPHI60 hr
Sep 8, 4:29 AM EDTAreal Flood AdvisoryPHI4 hr
Sep 8, 5:31 AM EDTCoastal Flood AdvisoryPHI24 hr
Sep 9, 12:05 AM EDTCoastal Flood WarningPHI54 hr
Sep 9, 5:04 AM EDTCoastal Flood WatchPHI11 hr
Sep 10, 5:02 AM EDTCoastal Flood WatchPHI11 hr
Sep 11, 5:48 AM EDTCoastal Flood AdvisoryPHI14 hr
Sep 12, 2:05 AM EDTDense Fog AdvisoryPHI8 hr
Sep 12, 4:36 PM EDTAreal Flood AdvisoryPHI3 hr
Sep 12, 5:07 PM EDTAreal Flood AdvisoryPHI4 hr
Sep 18, 9:27 AM EDTFlash Flood WatchPHI6 hr
Sep 18, 10:57 AM EDTAreal Flood AdvisoryPHI3 hr
Sep 18, 12:36 PM EDTAreal Flood AdvisoryPHI3 hr
Sep 24, 4:27 AM EDTCoastal Flood AdvisoryPHI42 hr
Sep 25, 2:59 PM EDTAreal Flood AdvisoryPHI4 hr
Sep 25, 4:03 PM EDTAreal Flood AdvisoryPHI3 hr
Sep 25, 4:19 PM EDTFlash Flood WarningPHI4 hr
Sep 25, 5:14 PM EDTFlash Flood WarningPHI4 hr
Sep 25, 5:35 PM EDTFlash Flood WarningPHI4 hr
Sep 26, 3:40 PM EDTMesoscale DiscussionSPC3 hr
Sep 26, 5:02 PM EDTSevere Thunderstorm WatchSPC4 hr
Sep 27, 3:24 AM EDTFlood WatchPHI27 hr
Sep 28, 1:44 AM EDTAreal Flood AdvisoryPHI5 hr
Sep 28, 3:13 AM EDTAreal Flood WarningPHI4 hr
Sep 28, 7:33 AM EDTAreal Flood WarningPHI5 hr
Oct 2, 9:51 PM EDTSpecial Weather StatementPHI114 min
Oct 2, 10:43 PM EDTSevere Thunderstorm WarningPHI37 min
Oct 5, 11:57 PM EDTCoastal Flood AdvisoryPHI3 hr
Oct 6, 5:31 AM EDTCoastal Flood AdvisoryPHI21 hr
Oct 7, 5:00 AM EDTCoastal Flood AdvisoryPHI22 hr
Oct 10, 3:16 PM EDTFlash Flood WatchPHI38 hr
Oct 12, 2:55 AM EDTAreal Flood AdvisoryPHI2 hr
Oct 17, 3:32 PM EDTFreeze WatchPHI12 hr
Oct 18, 3:05 AM EDTFrost AdvisoryPHI30 hr
Oct 18, 3:05 AM EDTFreeze WarningPHI30 hr
Oct 20, 10:31 PM EDTSpecial Weather StatementPHI29 min
Oct 21, 3:07 AM EDTFrost AdvisoryPHI30 hr
Oct 21, 3:18 PM EDTFreeze WarningPHI18 hr
Oct 24, 3:12 PM EDTFrost AdvisoryPHI18 hr
Oct 26, 3:20 PM EDTCoastal Flood AdvisoryPHI27 hr
Nov 2, 9:28 PM EDTAreal Flood AdvisoryPHI4 hr
Nov 2, 10:45 PM EDTAreal Flood WarningPHI13 hr
Nov 2, 10:47 PM EDTTornado WarningPHI43 min
Nov 2, 10:53 PM EDTFlash Flood WarningPHI4 hr
Nov 2, 10:53 PM EDTSevere Thunderstorm WarningPHI67 min
Nov 2, 11:23 PM EDTTornado WarningPHI24 min
Nov 2, 11:25 PM EDTAreal Flood AdvisoryPHI4 hr
Nov 2, 11:49 PM EDTTornado WarningPHI26 min
Nov 2, 11:53 PM EDTAreal Flood AdvisoryPHI4 hr
Nov 3, 1:41 AM EDTAreal Flood AdvisoryPHI4 hr
Nov 3, 2:34 AM EDTAreal Flood WarningPHI15 hr
Nov 3, 3:21 AM EDTAreal Flood WarningPHI4 hr
Nov 3, 7:01 AM EDTAreal Flood WarningPHI5 hr
Nov 3, 11:44 AM EDTAreal Flood WarningPHI8 hr
Nov 6, 4:32 AM ESTCoastal Flood AdvisoryPHI11 hr
Nov 6, 11:47 AM ESTAreal Flood AdvisoryPHI2 hr
Nov 9, 3:23 AM ESTCoastal Flood AdvisoryPHI14 hr
Nov 9, 4:42 PM ESTAreal Flood AdvisoryPHI4 hr
Nov 14, 3:31 PM ESTWinter Weather AdvisoryPHI29 hr
Nov 15, 9:56 AM ESTMesoscale DiscussionSPC6 hr
Nov 15, 12:21 PM ESTWinter Storm WarningPHI21 hr
Nov 15, 4:39 PM ESTMesoscale DiscussionSPC6 hr
Nov 24, 6:45 PM ESTAreal Flood AdvisoryPHI6 hr
Nov 25, 12:05 AM ESTAreal Flood WarningPHI12 hr
Nov 25, 1:47 AM ESTRiver Flood WarningPHI12 hr
Nov 25, 3:25 PM ESTCoastal Flood AdvisoryPHI34 hr
Nov 25, 3:35 PM ESTFlood WatchPHI27 hr
Nov 26, 3:07 PM ESTAreal Flood AdvisoryPHI3 hr
Nov 27, 3:13 PM ESTWind AdvisoryPHI27 hr
Dec 2, 3:17 AM ESTCoastal Flood AdvisoryPHI9 hr
Dec 2, 8:24 AM ESTDense Fog AdvisoryPHI21 hr
Dec 18, 3:16 PM ESTFlood WatchPHI3 days
Dec 20, 3:39 PM ESTCoastal Flood AdvisoryPHI22 hr
Dec 21, 4:09 AM ESTAreal Flood WarningPHI16 hr
Dec 21, 4:36 AM ESTAreal Flood WarningPHI7 hr
Dec 21, 8:51 AM ESTRiver Flood WarningPHI6 hr
Dec 27, 3:13 PM ESTFlood WatchPHI28 hr
Dec 28, 11:39 AM ESTAreal Flood AdvisoryPHI8 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 archive20172019

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.