Alert archive / Nebraska / Richardson County

Weather alerts in Richardson County, Nebraska, 2008

174 weather alerts in 2008, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Richardson County and its neighbors

Each county as a circle sized by its count in 2008. Tap one for its archive.

Alerts
174
Warnings
42
Watches
39
Advisories
33
Busiest month
June61 alerts
Busiest day
June 5, 200814 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 Richardson County in 2008 had a tornado report inside them; 2 of 3 tornado reports fell inside a warning, on average 22 minutes after it went out.

Richardson County, 2008

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings110%367%22 min
Severe thunderstorm warnings30873%475%25 min
Flash flood warnings2150%0

Each office's whole area, 2008

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Omaha, NE: tornado warnings642463%5576%17 min
NWS Omaha, NE: severe thunderstorm warnings45715067%32282%20 min
NWS Omaha, NE: flash flood warnings651774%2789%86 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
Jan 15, 3:49 PM CSTSnow AdvisoryOAX11 hr
Jan 16, 3:04 AM CSTSnow and Blowing Snow AdvisoryOAX18 hr
Jan 16, 9:18 PM CSTSnow AdvisoryOAX12 hr
Jan 28, 3:32 PM CSTWinter Weather AdvisoryOAX24 hr
Jan 28, 3:43 PM CSTWind AdvisoryOAX23 hr
Jan 29, 7:39 AM CSTMesoscale DiscussionSPC5 hr
Feb 4, 4:36 AM CSTWinter Storm WatchOAX11 hr
Feb 4, 3:31 PM CSTSnow AdvisoryOAX32 hr
Feb 5, 4:03 AM CSTWinter Storm WarningOAX29 hr
Feb 5, 5:26 PM CSTMesoscale DiscussionSPC5 hr
Feb 6, 12:30 AM CSTMesoscale DiscussionSPC6 hr
Feb 15, 3:25 PM CSTWinter Storm WatchOAX25 hr
Feb 16, 4:03 PM CSTWinter Storm WarningOAX18 hr
Feb 16, 4:06 PM CSTWind AdvisoryOAX26 hr
Feb 19, 3:37 PM CSTWind Chill AdvisoryOAX19 hr
Mar 2, 4:15 AM CSTWinter Weather AdvisoryOAX20 hr
Mar 2, 2:31 PM CSTMesoscale DiscussionSPC104 min
Mar 2, 6:55 PM CSTMesoscale DiscussionSPC6 hr
Mar 17, 10:17 PM CDTDense Fog AdvisoryOAX12 hr
Mar 31, 1:45 AM CDTMesoscale DiscussionSPC2 hr
Mar 31, 3:06 AM CDTSevere Thunderstorm WatchSPC3 hr
Mar 31, 3:37 AM CDTSevere Thunderstorm WarningOAX23 min
Mar 31, 3:45 AM CDTSevere Thunderstorm WarningOAX30 min
Mar 31, 5:59 AM CDTMesoscale DiscussionSPC91 min
Apr 9, 7:22 AM CDTDense Fog AdvisoryOAX98 min
Apr 9, 9:02 AM CDTDense Fog AdvisoryOAX54 min
Apr 10, 2:03 PM CDTMesoscale DiscussionSPC117 min
Apr 10, 2:28 PM CDTSevere Thunderstorm WatchSPC7 hr
Apr 10, 6:44 PM CDTMesoscale DiscussionSPC61 min
Apr 11, 3:28 AM CDTWind AdvisoryOAX16 hr
Apr 14, 3:27 PM CDTWind AdvisoryOAX30 hr
Apr 17, 4:08 AM CDTFlood WatchOAX15 hr
Apr 23, 4:04 PM CDTMesoscale DiscussionSPC2 hr
Apr 23, 4:34 PM CDTMesoscale DiscussionSPC116 min
Apr 24, 10:20 PM CDTSevere Thunderstorm WatchSPC7 hr
Apr 24, 11:55 PM CDTMesoscale DiscussionSPC65 min
Apr 25, 12:55 AM CDTMesoscale DiscussionSPC35 min
Apr 25, 1:13 AM CDTSevere Thunderstorm WarningOAX19 min
Apr 25, 1:13 AM CDTTornado WatchSPC5 hr
Apr 25, 2:28 AM CDTSevere Thunderstorm WarningOAX62 min
Apr 25, 3:18 AM CDTMesoscale DiscussionSPC57 min
May 6, 11:12 PM CDTSevere Thunderstorm WarningOAX48 min
May 9, 9:32 AM CDTRiver Flood WarningOAX5 hr
May 10, 4:07 AM CDTWind AdvisoryOAX27 hr
May 22, 3:38 AM CDTMesoscale DiscussionSPC97 min
May 25, 4:21 AM CDTFlash Flood WatchOAX24 hr
May 25, 10:33 AM CDTRiver Flood WarningOAX23 hr
May 25, 2:23 PM CDTMesoscale DiscussionSPC67 min
May 25, 3:00 PM CDTTornado WatchSPC6 hr
May 25, 8:07 PM CDTMesoscale DiscussionSPC113 min
May 29, 5:35 AM CDTFlash Flood WatchOAX22 hr
May 29, 5:55 PM CDTMesoscale DiscussionSPC35 min
May 29, 6:43 PM CDTTornado WatchSPC7 hr
May 29, 11:34 PM CDTMesoscale DiscussionSPC56 min
May 29, 11:41 PM CDTSevere Thunderstorm WarningOAX34 min
May 30, 12:07 AM CDTSevere Thunderstorm WarningOAX38 min
May 30, 1:37 AM CDTMesoscale DiscussionSPC53 min
May 30, 9:00 AM CDTRiver Flood WarningOAX20 days
Jun 2, 7:22 AM CDTMesoscale DiscussionSPC53 min
Jun 2, 7:49 AM CDTSevere Thunderstorm WatchSPC6 hr
Jun 3, 4:33 AM CDTSevere Thunderstorm WatchSPC7 hr
Jun 3, 10:43 PM CDTMesoscale DiscussionSPC3 hr
Jun 4, 2:46 PM CDTTornado WatchSPC6 hr
Jun 4, 3:30 PM CDTFlash Flood WatchOAX31 hr
Jun 4, 7:55 PM CDTMesoscale DiscussionSPC65 min
Jun 4, 8:49 PM CDTTornado WatchSPC7 hr
Jun 4, 11:14 PM CDTMesoscale DiscussionSPC2 hr
Jun 4, 11:58 PM CDTSevere Thunderstorm WarningOAX51 min
Jun 5, 4:12 AM CDTWind AdvisoryOAX17 hr
Jun 5, 10:35 AM CDTMesoscale DiscussionSPC85 min
Jun 5, 10:55 AM CDTTornado Watch PDSSPC8 hr
Jun 5, 4:38 PM CDTMesoscale DiscussionSPC37 min
Jun 5, 5:50 PM CDTTornado Watch PDSSPC7 hr
Jun 5, 5:57 PM CDTSevere Thunderstorm WarningOAX48 min
Jun 5, 6:21 PM CDTSevere Thunderstorm WarningOAX39 min
Jun 5, 6:22 PM CDTMesoscale DiscussionSPC53 min
Jun 5, 6:39 PM CDTSevere Thunderstorm WarningOAX36 min
Jun 5, 6:58 PM CDTSevere Thunderstorm WarningOAX47 min
Jun 5, 7:11 PM CDTSevere Thunderstorm WarningOAX49 min
Jun 5, 7:21 PM CDTTornado WarningOAX39 min
Jun 7, 4:30 AM CDTFlash Flood WatchOAX39 hr
Jun 8, 6:39 AM CDTMesoscale DiscussionSPC66 min
Jun 8, 12:28 PM CDTMesoscale DiscussionSPC2 hr
Jun 8, 1:34 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 9, 5:51 PM CDTSevere Thunderstorm WarningOAX24 min
Jun 9, 6:19 PM CDTSevere Thunderstorm WarningOAX41 min
Jun 9, 7:11 PM CDTSevere Thunderstorm WarningOAX34 min
Jun 10, 10:05 PM CDTMesoscale DiscussionSPC55 min
Jun 11, 4:44 AM CDTFlash Flood WatchOAX26 hr
Jun 11, 6:26 AM CDTWind AdvisoryOAX10 hr
Jun 11, 2:03 PM CDTMesoscale DiscussionSPC117 min
Jun 11, 2:52 PM CDTTornado WatchSPC7 hr
Jun 11, 5:59 PM CDTMesoscale DiscussionSPC91 min
Jun 11, 8:57 PM CDTMesoscale DiscussionSPC93 min
Jun 11, 9:46 PM CDTTornado WatchSPC5 hr
Jun 11, 11:41 PM CDTMesoscale DiscussionSPC2 hr
Jun 12, 9:19 AM CDTRiver Flood WarningOAX102 min
Jun 15, 6:54 AM CDTSevere Thunderstorm WatchSPC7 hr
Jun 15, 9:27 AM CDTSevere Thunderstorm WarningOAX33 min
Jun 15, 9:48 AM CDTSevere Thunderstorm WarningOAX42 min
Jun 15, 1:16 PM CDTMesoscale DiscussionSPC119 min
Jun 15, 2:19 PM CDTSevere Thunderstorm WarningOAX21 min
Jun 19, 1:14 PM CDTMesoscale DiscussionSPC61 min
Jun 19, 1:27 PM CDTSevere Thunderstorm WatchSPC10 hr
Jun 19, 2:21 PM CDTSevere Thunderstorm WarningOAX54 min
Jun 19, 6:11 PM CDTMesoscale DiscussionSPC64 min
Jun 19, 8:32 PM CDTMesoscale DiscussionSPC58 min
Jun 19, 8:36 PM CDTSevere Thunderstorm WarningOAX54 min
Jun 20, 2:50 AM CDTRiver Flood WarningOAX32 hr
Jun 24, 2:02 AM CDTMesoscale DiscussionSPC88 min
Jun 24, 6:03 AM CDTMesoscale DiscussionSPC117 min
Jun 24, 3:00 PM CDTMesoscale DiscussionSPC60 min
Jun 26, 12:05 PM CDTMesoscale DiscussionSPC55 min
Jun 26, 1:49 PM CDTSevere Thunderstorm WarningOAX56 min
Jun 26, 2:45 PM CDTSevere Thunderstorm WarningOAX60 min
Jun 26, 4:50 PM CDTSevere Thunderstorm WatchSPC8 hr
Jun 26, 9:46 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 27, 1:37 PM CDTMesoscale DiscussionSPC2 hr
Jun 27, 4:04 PM CDTSevere Thunderstorm WatchSPC4 hr
Jul 2, 5:38 PM CDTSevere Thunderstorm WarningOAX52 min
Jul 2, 5:59 PM CDTMesoscale DiscussionSPC61 min
Jul 2, 6:28 PM CDTSevere Thunderstorm WarningOAX32 min
Jul 7, 1:05 PM CDTMesoscale DiscussionSPC115 min
Jul 7, 3:09 PM CDTFlash Flood WatchOAX7 hr
Jul 9, 1:33 PM CDTMesoscale DiscussionSPC57 min
Jul 11, 10:31 PM CDTMesoscale DiscussionSPC89 min
Jul 11, 10:40 PM CDTSevere Thunderstorm WatchSPC5 hr
Jul 12, 1:52 AM CDTMesoscale DiscussionSPC53 min
Jul 17, 3:41 PM CDTFlash Flood WatchOAX12 hr
Jul 17, 6:26 PM CDTMesoscale DiscussionSPC2 hr
Jul 17, 10:19 PM CDTFlash Flood WarningOAX4 hr
Jul 21, 1:48 PM CDTMesoscale DiscussionSPC87 min
Jul 21, 5:10 PM CDTSevere Thunderstorm WatchSPC7 hr
Jul 21, 8:17 PM CDTFlash Flood WarningOAX88 min
Jul 24, 4:12 PM CDTFlash Flood WatchOAX11 hr
Jul 24, 5:00 PM CDTTornado WatchSPC6 hr
Jul 24, 6:24 PM CDTSevere Thunderstorm WarningOAX51 min
Jul 24, 7:05 PM CDTSevere Thunderstorm WarningOAX25 min
Jul 26, 3:58 AM CDTDense Fog AdvisoryOAX5 hr
Jul 26, 1:12 PM CDTMesoscale DiscussionSPC63 min
Jul 26, 2:13 PM CDTSevere Thunderstorm WatchSPC8 hr
Jul 26, 7:38 PM CDTMesoscale DiscussionSPC67 min
Jul 30, 5:02 AM CDTDense Fog AdvisoryOAX4 hr
Jul 31, 2:29 AM CDTDense Fog AdvisoryOAX6 hr
Aug 2, 3:41 AM CDTHeat AdvisoryOAX63 hr
Aug 27, 4:40 AM CDTMesoscale DiscussionSPC95 min
Sep 8, 5:17 AM CDTMesoscale DiscussionSPC2 hr
Sep 12, 3:57 AM CDTFlash Flood WatchOAX17 hr
Sep 23, 4:30 PM CDTSevere Thunderstorm WarningOAX45 min
Sep 24, 1:32 AM CDTMesoscale DiscussionSPC88 min
Sep 24, 3:12 PM CDTDense Fog AdvisoryOAX12 hr
Sep 29, 12:39 AM CDTMesoscale DiscussionSPC96 min
Oct 12, 3:43 AM CDTWind AdvisoryOAX12 hr
Oct 15, 3:28 PM CDTFrost AdvisoryOAX18 hr
Oct 26, 3:33 AM CDTWind AdvisoryOAX15 hr
Oct 26, 3:17 PM CDTFreeze WarningOAX18 hr
Nov 2, 6:21 AM CSTDense Fog AdvisoryOAX3 hr
Nov 5, 2:55 PM CSTMesoscale DiscussionSPC65 min
Nov 5, 5:06 PM CSTSevere Thunderstorm WatchSPC4 hr
Nov 5, 5:22 PM CSTSevere Thunderstorm WarningOAX38 min
Nov 5, 6:06 PM CSTSevere Thunderstorm WarningOAX24 min
Nov 5, 7:08 PM CSTMesoscale DiscussionSPC97 min
Nov 6, 4:05 AM CSTWind AdvisoryOAX36 hr
Dec 13, 4:25 PM CSTWind AdvisoryOAX23 hr
Dec 14, 3:35 AM CSTWind Chill AdvisoryOAX32 hr
Dec 15, 4:11 PM CSTWinter Weather AdvisoryOAX23 hr
Dec 17, 3:31 AM CSTWinter Storm WatchOAX24 hr
Dec 18, 3:52 AM CSTIce Storm WarningOAX24 hr
Dec 18, 11:35 AM CSTMesoscale DiscussionSPC6 hr
Dec 18, 6:46 PM CSTMesoscale DiscussionSPC6 hr
Dec 19, 3:34 PM CSTWind Chill WatchOAX24 hr
Dec 20, 3:35 PM CSTWind Chill AdvisoryOAX31 hr
Dec 27, 5:13 AM CSTFreezing Rain AdvisoryOAX5 hr
Dec 30, 3:27 AM CSTWind AdvisoryOAX15 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 archive20072009

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.