Alert archive / Louisiana / Washington Parish

Weather alerts in Washington Parish, Louisiana, 2021

224 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Washington Parish and its neighbors

Each county as a circle sized by its count in 2021. Tap one for its archive.

Alerts
224
Warnings
75
Watches
26
Advisories
65
Busiest month
April34 alerts
Busiest day
April 24, 202110 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 5 tornado warnings covering Washington Parish in 2021 had a tornado report inside them.

Washington Parish, 2021

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings50100%0
Severe thunderstorm warnings21767%580%9 min
Flash flood warnings12375%2100%73 min

Each office's whole area, 2021

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS New Orleans, LA: tornado warnings791680%3969%8 min
NWS New Orleans, LA: severe thunderstorm warnings1543677%11657%14 min
NWS New Orleans, LA: flash flood warnings1305260%13485%91 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, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeLasted
Feb 10, 3:16 PM CSTDense Fog AdvisoryLIX18 hr
Feb 11, 8:51 AM CSTSpecial Weather StatementLIX54 min
Feb 11, 9:10 AM CSTTornado WarningLIX28 min
Feb 11, 10:27 AM CSTAreal Flood AdvisoryLIX3 hr
Feb 11, 11:06 AM CSTAreal Flood AdvisoryLIX2 hr
Feb 11, 11:26 AM CSTRiver Flood WarningLIX4 days
Feb 12, 10:12 AM CSTRiver Flood WarningLIX33 hr
Feb 14, 4:20 AM CSTHard Freeze WatchLIX15 hr
Feb 14, 4:20 AM CSTWind Chill WatchLIX15 hr
Feb 14, 4:20 AM CSTWinter Storm WarningLIX36 hr
Feb 14, 7:17 PM CSTHard Freeze WarningLIX41 hr
Feb 14, 7:17 PM CSTWind Chill AdvisoryLIX41 hr
Feb 15, 3:09 AM CSTMesoscale DiscussionSPC6 hr
Feb 15, 9:28 AM CSTMesoscale DiscussionSPC6 hr
Feb 16, 6:21 PM CSTHard Freeze WarningLIX14 hr
Feb 16, 10:02 PM CSTWinter Weather AdvisoryLIX14 hr
Feb 18, 9:28 AM CSTRiver Flood WarningLIX10 days
Feb 18, 10:04 AM CSTHard Freeze WarningLIX23 hr
Feb 19, 11:43 AM CSTHard Freeze WarningLIX20 hr
Mar 12, 3:19 PM CSTDense Fog AdvisoryLIX18 hr
Mar 17, 1:45 PM CDTMesoscale DiscussionSPC90 min
Mar 17, 2:38 PM CDTTornado WatchSPC8 hr
Mar 17, 5:29 PM CDTSpecial Weather StatementLIX46 min
Mar 17, 5:40 PM CDTSevere Thunderstorm WarningLIX31 min
Mar 18, 10:35 AM CDTRiver Flood WarningLIX60 days
Mar 22, 12:37 PM CDTFlash Flood WatchLIX63 hr
Mar 23, 11:39 AM CDTSevere Thunderstorm WarningLIX51 min
Mar 24, 4:14 AM CDTAreal Flood AdvisoryLIX3 hr
Mar 24, 2:47 PM CDTWind AdvisoryLIX25 hr
Mar 24, 9:25 PM CDTMesoscale DiscussionSPC65 min
Mar 25, 11:00 AM CDTMesoscale DiscussionSPC2 hr
Mar 25, 2:00 PM CDTSpecial Weather StatementLIX45 min
Mar 26, 6:09 AM CDTRiver Flood WarningLIX34 hr
Apr 1, 3:23 PM CDTFrost AdvisoryLIX17 hr
Apr 7, 11:44 PM CDTMesoscale DiscussionSPC3 hr
Apr 8, 12:39 AM CDTSevere Thunderstorm WarningLIX66 min
Apr 8, 1:05 AM CDTSevere Thunderstorm WarningLIX55 min
Apr 8, 1:12 AM CDTTornado WarningLIX33 min
Apr 8, 2:08 AM CDTMesoscale DiscussionSPC2 hr
Apr 9, 10:25 PM CDTSevere Thunderstorm WatchSPC6 hr
Apr 9, 11:00 PM CDTMesoscale DiscussionSPC2 hr
Apr 10, 12:16 AM CDTTornado WatchSPC7 hr
Apr 10, 12:41 AM CDTSevere Thunderstorm WarningLIX11 min
Apr 10, 2:01 AM CDTSevere Thunderstorm WarningLIX29 min
Apr 10, 4:40 AM CDTFlash Flood WarningLIX3 hr
Apr 10, 9:49 AM CDTRiver Flood WarningLIX33 hr
Apr 13, 4:14 AM CDTFlash Flood WatchLIX5 days
Apr 13, 11:45 AM CDTSevere Thunderstorm WarningLIX30 min
Apr 14, 10:01 AM CDTSpecial Weather StatementLIX29 min
Apr 14, 11:28 AM CDTSpecial Weather StatementLIX32 min
Apr 15, 2:03 AM CDTSpecial Weather StatementLIX57 min
Apr 15, 2:38 AM CDTSevere Thunderstorm WarningLIX27 min
Apr 15, 6:11 AM CDTSpecial Weather StatementLIX34 min
Apr 15, 6:38 AM CDTRiver Flood WarningLIX3 days
Apr 23, 8:30 PM CDTTornado WatchSPC8 hr
Apr 23, 9:28 PM CDTSevere Thunderstorm WarningLIX47 min
Apr 23, 10:29 PM CDTMesoscale DiscussionSPC2 hr
Apr 23, 11:46 PM CDTSevere Thunderstorm WarningLIX44 min
Apr 24, 12:28 AM CDTSevere Thunderstorm WarningLIX47 min
Apr 24, 1:43 AM CDTSpecial Weather StatementLIX32 min
Apr 24, 2:17 AM CDTSpecial Weather StatementLIX43 min
Apr 24, 3:04 AM CDTMesoscale DiscussionSPC116 min
Apr 24, 11:12 AM CDTRiver Flood WarningLIX72 hr
Apr 24, 12:29 PM CDTMesoscale DiscussionSPC2 hr
Apr 26, 8:01 PM CDTRiver Flood WarningLIX19 hr
Apr 27, 2:19 AM CDTDense Fog AdvisoryLIX7 hr
Apr 30, 5:43 AM CDTDense Fog AdvisoryLIX3 hr
May 1, 2:46 PM CDTFlash Flood WatchLIX24 hr
May 4, 4:11 AM CDTFlash Flood WatchLIX33 hr
May 4, 8:33 AM CDTMesoscale DiscussionSPC117 min
May 4, 3:31 PM CDTTornado WatchSPC6 hr
May 4, 3:33 PM CDTSevere Thunderstorm WarningLIX42 min
May 4, 4:10 PM CDTSevere Thunderstorm WarningLIX65 min
May 4, 4:37 PM CDTAreal Flood AdvisoryLIX106 min
May 4, 4:46 PM CDTMesoscale DiscussionSPC89 min
May 4, 4:56 PM CDTSpecial Weather StatementLIX34 min
May 4, 5:32 PM CDTSpecial Weather StatementLIX43 min
May 4, 8:13 PM CDTSpecial Weather StatementLIX17 min
May 9, 8:48 PM CDTFlash Flood WatchLIX15 hr
May 11, 3:11 AM CDTFlash Flood WatchLIX39 hr
May 11, 9:14 AM CDTSevere Thunderstorm WarningLIX29 min
May 11, 10:34 AM CDTSpecial Weather StatementLIX56 min
May 11, 11:25 AM CDTAreal Flood AdvisoryLIX3 hr
May 17, 2:56 PM CDTFlash Flood WatchLIX4 days
May 18, 1:12 AM CDTHigh Wind WarningLIX6 hr
May 18, 10:46 AM CDTSpecial Weather StatementLIX59 min
May 18, 10:51 AM CDTRiver Flood WarningLIX7 days
Jun 1, 7:11 PM CDTAreal Flood AdvisoryLIX3 hr
Jun 2, 6:09 PM CDTSpecial Weather StatementLIX66 min
Jun 2, 7:01 PM CDTSpecial Weather StatementLIX74 min
Jun 4, 10:56 AM CDTFlash Flood WatchLIX56 hr
Jun 6, 9:56 AM CDTMesoscale DiscussionSPC3 hr
Jun 6, 11:58 AM CDTFlash Flood WarningLIX3 hr
Jun 6, 8:51 PM CDTRiver Flood WarningLIX46 hr
Jun 7, 9:02 PM CDTRiver Flood WarningLIX6 days
Jun 11, 10:52 AM CDTRiver Flood WarningLIX21 days
Jun 13, 12:22 PM CDTSevere Thunderstorm WatchSPC9 hr
Jun 13, 12:51 PM CDTMesoscale DiscussionSPC114 min
Jun 13, 4:28 PM CDTSevere Thunderstorm WarningLIX32 min
Jun 13, 5:23 PM CDTSpecial Weather StatementLIX52 min
Jun 13, 5:53 PM CDTSevere Thunderstorm WarningLIX65 min
Jun 14, 4:08 AM CDTHeat AdvisoryLIX8 hr
Jun 17, 1:36 PM CDTFlash Flood WatchLIX47 hr
Jun 18, 9:44 AM CDTWind AdvisoryLIX30 hr
Jun 19, 12:52 AM CDTAreal Flood AdvisoryLIX4 hr
Jun 21, 10:11 PM CDTSpecial Weather StatementLIX34 min
Jun 25, 2:15 PM CDTAreal Flood AdvisoryLIX2 hr
Jun 27, 10:26 AM CDTSpecial Weather StatementLIX34 min
Jul 6, 12:48 PM CDTSpecial Weather StatementLIX27 min
Jul 6, 9:18 PM CDTAreal Flood AdvisoryLIX2 hr
Jul 11, 1:25 PM CDTSpecial Weather StatementLIX80 min
Jul 11, 1:37 PM CDTSpecial Weather StatementLIX68 min
Jul 11, 1:58 PM CDTAreal Flood AdvisoryLIX2 hr
Jul 15, 12:45 PM CDTSpecial Weather StatementLIX75 min
Jul 16, 2:37 PM CDTSpecial Weather StatementLIX23 min
Jul 16, 3:00 PM CDTSpecial Weather StatementLIX30 min
Jul 16, 3:24 PM CDTSpecial Weather StatementLIX36 min
Jul 16, 3:31 PM CDTAreal Flood AdvisoryLIX3 hr
Jul 16, 4:16 PM CDTAreal Flood AdvisoryLIX3 hr
Jul 17, 5:28 PM CDTSpecial Weather StatementLIX47 min
Jul 18, 9:11 AM CDTRiver Flood WarningLIX12 days
Jul 19, 2:46 PM CDTSevere Thunderstorm WarningLIX24 min
Jul 20, 6:23 AM CDTAreal Flood AdvisoryLIX3 hr
Jul 20, 6:46 AM CDTFlash Flood WarningLIX3 hr
Jul 24, 3:20 PM CDTHeat AdvisoryLIX28 hr
Jul 25, 3:20 PM CDTHeat AdvisoryLIX28 hr
Jul 26, 3:11 PM CDTHeat AdvisoryLIX28 hr
Jul 26, 5:24 PM CDTAreal Flood AdvisoryLIX2 hr
Jul 26, 5:51 PM CDTAreal Flood AdvisoryLIX114 min
Jul 27, 3:27 PM CDTHeat AdvisoryLIX28 hr
Jul 28, 1:44 PM CDTHeat AdvisoryLIX29 hr
Jul 28, 1:44 PM CDTHeat AdvisoryLIX38 hr
Jul 28, 3:44 PM CDTSpecial Weather StatementLIX31 min
Jul 28, 4:18 PM CDTSpecial Weather StatementLIX57 min
Jul 29, 1:40 PM CDTExcessive Heat WatchLIX26 hr
Jul 29, 1:40 PM CDTExcessive Heat WarningLIX29 hr
Jul 30, 3:55 PM CDTExcessive Heat WarningLIX24 hr
Jul 31, 3:57 PM CDTExcessive Heat WarningLIX2 hr
Jul 31, 3:57 PM CDTHeat AdvisoryLIX26 hr
Aug 3, 5:27 PM CDTAreal Flood AdvisoryLIX3 hr
Aug 3, 7:08 PM CDTAreal Flood AdvisoryLIX2 hr
Aug 11, 2:31 PM CDTSpecial Weather StatementLIX74 min
Aug 19, 2:58 AM CDTHeat AdvisoryLIX16 hr
Aug 19, 1:26 PM CDTHeat AdvisoryLIX30 hr
Aug 20, 1:26 PM CDTHeat AdvisoryLIX26 hr
Aug 21, 3:30 PM CDTHeat AdvisoryLIX28 hr
Aug 22, 3:26 PM CDTHeat AdvisoryLIX28 hr
Aug 23, 1:57 PM CDTHeat AdvisoryLIX29 hr
Aug 26, 10:09 PM CDTHurricane WatchLIX36 hr
Aug 27, 4:01 PM CDTHurricane WarningLIX60 hr
Aug 27, 4:01 PM CDTTropical Storm WarningLIX24 days
Aug 28, 2:36 AM CDTFlood WatchLIX11 min
Aug 28, 3:13 AM CDTFlash Flood WatchLIX61 hr
Aug 29, 6:07 AM CDTTornado WatchSPC13 hr
Aug 29, 10:04 AM CDTMesoscale DiscussionSPC4 hr
Aug 29, 6:49 PM CDTTornado WatchSPC11 hr
Aug 29, 9:05 PM CDTRiver Flood WarningLIX63 hr
Aug 29, 9:05 PM CDTRiver Flood WarningLIX11 days
Aug 29, 11:50 PM CDTFlash Flood Warning Considerable damage threatLIX3 hr
Aug 30, 2:44 AM CDTMesoscale DiscussionSPC2 hr
Aug 30, 2:55 AM CDTFlash Flood Warning Considerable damage threatLIX5 hr
Aug 30, 3:55 AM CDTFlash Flood WarningLIX5 hr
Aug 30, 7:45 AM CDTFlash Flood WarningLIX3 hr
Aug 30, 10:53 AM CDTAreal Flood WarningLIX35 hr
Aug 30, 11:04 AM CDTAreal Flood WarningLIX35 hr
Aug 30, 11:34 AM CDTAreal Flood WarningLIX34 hr
Aug 31, 4:06 AM CDTHeat AdvisoryLIX38 hr
Aug 31, 9:45 PM CDTAreal Flood WarningLIX24 hr
Aug 31, 9:46 PM CDTAreal Flood WarningLIX35 hr
Aug 31, 9:48 PM CDTAreal Flood WarningLIX35 hr
Sep 1, 1:00 AM CDTHeat AdvisoryLIX40 hr
Sep 1, 9:50 PM CDTAreal Flood WarningLIX11 hr
Sep 3, 4:13 AM CDTHeat AdvisoryLIX14 hr
Sep 4, 3:28 PM CDTHeat AdvisoryLIX27 hr
Sep 5, 2:57 PM CDTHeat AdvisoryLIX27 hr
Sep 6, 4:00 AM CDTFlash Flood WatchLIX17 hr
Sep 6, 9:39 AM CDTSpecial Weather StatementLIX36 min
Sep 13, 2:45 PM CDTFlash Flood WatchLIX5 days
Sep 14, 7:48 AM CDTAreal Flood AdvisoryLIX3 hr
Sep 15, 5:21 AM CDTFlash Flood WarningLIX3 hr
Sep 15, 7:45 AM CDTFlash Flood WarningLIX3 hr
Sep 15, 8:18 AM CDTFlash Flood WarningLIX5 hr
Sep 15, 9:08 AM CDTRiver Flood WarningLIX5 days
Sep 15, 3:39 PM CDTRiver Flood WarningLIX21 hr
Sep 16, 6:31 PM CDTAreal Flood AdvisoryLIX3 hr
Sep 28, 6:48 AM CDTDense Fog AdvisoryLIX2 hr
Oct 3, 4:04 PM CDTSpecial Weather StatementLIX41 min
Oct 4, 3:09 AM CDTDense Fog AdvisoryLIX6 hr
Oct 6, 5:52 AM CDTDense Fog AdvisoryLIX3 hr
Oct 14, 3:25 PM CDTDense Fog AdvisoryLIX18 hr
Oct 20, 1:52 PM CDTSpecial Weather StatementLIX38 min
Oct 20, 1:57 PM CDTSpecial Weather StatementLIX48 min
Oct 21, 3:38 AM CDTDense Fog AdvisoryLIX5 hr
Oct 27, 12:50 PM CDTMesoscale DiscussionSPC85 min
Oct 27, 1:53 PM CDTTornado WatchSPC8 hr
Oct 27, 3:25 PM CDTMesoscale DiscussionSPC95 min
Oct 27, 4:54 PM CDTAreal Flood AdvisoryLIX3 hr
Oct 27, 5:13 PM CDTMesoscale DiscussionSPC2 hr
Oct 27, 5:19 PM CDTSevere Thunderstorm WarningLIX26 min
Oct 27, 5:28 PM CDTFlash Flood WarningLIX3 hr
Oct 27, 6:19 PM CDTFlash Flood WarningLIX2 hr
Oct 27, 10:34 PM CDTWind AdvisoryLIX20 hr
Nov 11, 9:19 PM CSTDense Fog AdvisoryLIX12 hr
Nov 26, 1:47 PM CSTFreeze WarningLIX18 hr
Nov 28, 9:24 PM CSTDense Fog AdvisoryLIX11 hr
Dec 1, 4:08 PM CSTDense Fog AdvisoryLIX18 hr
Dec 2, 3:26 PM CSTDense Fog AdvisoryLIX19 hr
Dec 3, 10:02 AM CSTDense Fog AdvisoryLIX70 min
Dec 3, 3:32 PM CSTDense Fog AdvisoryLIX18 hr
Dec 4, 3:17 PM CSTDense Fog AdvisoryLIX18 hr
Dec 5, 9:02 AM CSTDense Fog AdvisoryLIX58 min
Dec 6, 12:46 PM CSTSevere Thunderstorm WarningLIX59 min
Dec 6, 1:08 PM CSTMesoscale DiscussionSPC2 hr
Dec 6, 1:22 PM CSTTornado WarningLIX68 min
Dec 6, 1:29 PM CSTSevere Thunderstorm WarningLIX61 min
Dec 6, 2:21 PM CSTSevere Thunderstorm WarningLIX39 min
Dec 6, 2:24 PM CSTTornado WarningLIX21 min
Dec 6, 2:35 PM CSTTornado WarningLIX55 min
Dec 7, 4:57 PM CSTDense Fog AdvisoryLIX16 hr
Dec 9, 5:03 PM CSTMesoscale DiscussionSPC87 min
Dec 16, 3:22 PM CSTDense Fog AdvisoryLIX18 hr
Dec 17, 7:00 PM CSTDense Fog AdvisoryLIX15 hr
Dec 28, 1:18 PM CSTMesoscale DiscussionSPC2 hr
Dec 29, 2:49 PM CSTMesoscale DiscussionSPC86 min

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 archive20202022

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.