Alert archive / Nebraska / Holt County

Weather alerts in Holt County, Nebraska, 2010

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

Holt County and its neighbors

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

Alerts
266
Warnings
98
Watches
49
Advisories
60
Busiest month
June69 alerts
Busiest day
August 8, 201016 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 8 tornado warnings covering Holt County in 2010 had a tornado report inside them.

Holt County, 2010

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings80100%0
Severe thunderstorm warnings623642%4691%25 min
Flash flood warnings7186%1100%195 min

Each office's whole area, 2010

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS North Platte, NE: tornado warnings74692%1346%16 min
NWS North Platte, NE: severe thunderstorm warnings38821345%41380%21 min
NWS North Platte, NE: flash flood warnings29583%1369%119 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 1, 9:28 PM CSTWind Chill AdvisoryLBF13 hr
Jan 5, 3:34 AM CSTWinter Weather AdvisoryLBF59 hr
Jan 5, 9:32 PM CSTWinter Storm WarningLBF30 hr
Jan 6, 3:49 AM CSTWind Chill AdvisoryLBF54 hr
Jan 7, 3:29 AM CSTWind Chill WarningLBF31 hr
Jan 18, 3:25 PM CSTDense Fog AdvisoryLBF21 hr
Jan 19, 3:23 PM CSTWinter Weather AdvisoryLBF19 hr
Jan 20, 6:56 PM CSTDense Fog AdvisoryLBF7 hr
Jan 21, 2:13 AM CSTFreezing Fog AdvisoryLBF9 hr
Jan 21, 7:24 PM CSTDense Fog AdvisoryLBF9 hr
Jan 22, 3:54 AM CSTFreezing Fog AdvisoryLBF97 min
Jan 22, 5:28 AM CSTWinter Weather AdvisoryLBF6 hr
Jan 22, 3:45 PM CSTWinter Weather AdvisoryLBF6 hr
Jan 24, 3:36 AM CSTWind AdvisoryLBF17 hr
Jan 24, 9:40 PM CSTWind AdvisoryLBF20 hr
Feb 3, 3:49 PM CSTWinter Weather AdvisoryLBF40 hr
Feb 8, 3:57 AM CSTWind Chill AdvisoryLBF9 hr
Feb 8, 4:21 PM CSTWinter Weather AdvisoryLBF15 hr
Feb 14, 3:27 AM CSTWind AdvisoryLBF15 hr
Feb 14, 3:27 AM CSTWinter Weather AdvisoryLBF8 hr
Feb 14, 11:42 AM CSTWinter Weather AdvisoryLBF6 hr
Feb 28, 2:45 AM CSTFreezing Fog AdvisoryLBF6 hr
Mar 2, 10:13 PM CSTDense Fog AdvisoryLBF11 hr
Mar 8, 8:53 AM CSTDense Fog AdvisoryLBF6 hr
Mar 8, 11:21 AM CSTAreal Flood AdvisoryLBF48 hr
Mar 9, 3:23 PM CSTDense Fog AdvisoryLBF15 hr
Mar 9, 6:39 PM CSTAreal Flood AdvisoryLBF14 hr
Mar 10, 9:32 AM CSTRiver Flood WarningLBF48 hr
Mar 10, 3:29 PM CSTWinter Storm WatchLBF12 hr
Mar 11, 3:40 AM CSTWinter Storm WarningLBF32 hr
Mar 18, 3:33 AM CDTWinter Weather AdvisoryLBF36 hr
Mar 29, 4:28 AM CDTRed Flag WarningLBF16 hr
Mar 30, 4:09 AM CDTRed Flag WarningLBF15 hr
Mar 31, 3:50 PM CDTFire Weather WatchLBF12 hr
Apr 1, 4:08 AM CDTRed Flag WarningLBF17 hr
Apr 1, 11:31 PM CDTMesoscale DiscussionSPC89 min
Apr 12, 3:43 PM CDTWind AdvisoryLBF30 hr
Apr 23, 1:18 PM CDTTornado WatchSPC7 hr
Apr 23, 6:14 PM CDTSevere Thunderstorm WarningLBF46 min
Apr 23, 7:02 PM CDTMesoscale DiscussionSPC88 min
Apr 23, 7:28 PM CDTTornado WatchSPC5 hr
Apr 23, 9:22 PM CDTMesoscale DiscussionSPC53 min
Apr 28, 3:50 AM CDTWind AdvisoryLBF15 hr
May 1, 3:30 AM CDTWind AdvisoryLBF13 hr
May 4, 4:11 AM CDTRed Flag WarningLBF15 hr
May 5, 3:44 AM CDTWind AdvisoryLBF12 hr
May 7, 3:59 AM CDTWind AdvisoryLBF15 hr
May 22, 4:09 AM CDTWind AdvisoryLBF12 hr
May 22, 8:52 PM CDTTornado WatchSPC4 hr
May 22, 10:14 PM CDTTornado WarningLBF46 min
May 22, 11:09 PM CDTMesoscale DiscussionSPC96 min
May 23, 12:39 PM CDTWind AdvisoryLBF33 hr
May 23, 7:50 PM CDTSevere Thunderstorm WatchSPC4 hr
May 23, 9:43 PM CDTSevere Thunderstorm WarningLBF62 min
May 23, 10:19 PM CDTTornado WarningLBF41 min
May 23, 11:12 PM CDTMesoscale DiscussionSPC2 hr
May 23, 11:54 PM CDTSevere Thunderstorm WatchSPC4 hr
May 24, 2:33 PM CDTTornado WatchSPC5 hr
May 24, 6:03 PM CDTMesoscale DiscussionSPC87 min
May 24, 7:17 PM CDTSevere Thunderstorm WatchSPC6 hr
May 29, 2:20 PM CDTMesoscale DiscussionSPC25 min
May 29, 3:39 PM CDTMesoscale DiscussionSPC36 min
May 29, 3:58 PM CDTSevere Thunderstorm WatchSPC7 hr
May 29, 8:29 PM CDTSevere Thunderstorm WarningLBF19 min
May 31, 3:22 PM CDTMesoscale DiscussionSPC113 min
Jun 1, 8:46 AM CDTSevere Thunderstorm WatchSPC7 hr
Jun 1, 10:47 AM CDTSevere Thunderstorm WarningLBF24 min
Jun 1, 12:37 PM CDTMesoscale DiscussionSPC53 min
Jun 1, 3:45 PM CDTMesoscale DiscussionSPC60 min
Jun 3, 3:14 PM CDTMesoscale DiscussionSPC2 hr
Jun 3, 5:57 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 3, 7:21 PM CDTTornado WarningLBF39 min
Jun 3, 7:34 PM CDTTornado WarningLBF41 min
Jun 3, 8:17 PM CDTTornado WarningLBF28 min
Jun 3, 9:15 PM CDTMesoscale DiscussionSPC60 min
Jun 5, 12:45 AM CDTSevere Thunderstorm WatchSPC7 hr
Jun 7, 3:40 PM CDTFlash Flood WatchLBF15 hr
Jun 7, 7:23 PM CDTMesoscale DiscussionSPC2 hr
Jun 7, 10:31 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 10, 1:41 AM CDTMesoscale DiscussionSPC2 hr
Jun 10, 3:16 AM CDTSevere Thunderstorm WatchSPC7 hr
Jun 10, 4:28 AM CDTSevere Thunderstorm WarningLBF47 min
Jun 10, 5:10 AM CDTSevere Thunderstorm WarningLBF50 min
Jun 10, 5:36 AM CDTMesoscale DiscussionSPC114 min
Jun 10, 5:47 AM CDTSevere Thunderstorm WarningLBF43 min
Jun 10, 6:27 AM CDTSevere Thunderstorm WarningLBF48 min
Jun 10, 8:36 AM CDTAreal Flood AdvisoryLBF6 hr
Jun 10, 10:02 AM CDTMesoscale DiscussionSPC88 min
Jun 10, 3:25 PM CDTFlood WatchLBF4 days
Jun 10, 11:33 PM CDTSevere Thunderstorm WarningLBF42 min
Jun 10, 11:47 PM CDTSevere Thunderstorm WatchSPC4 hr
Jun 11, 12:07 AM CDTSevere Thunderstorm WarningLBF38 min
Jun 11, 12:40 AM CDTSevere Thunderstorm WarningLBF50 min
Jun 11, 1:31 AM CDTAreal Flood AdvisoryLBF7 hr
Jun 11, 1:45 AM CDTMesoscale DiscussionSPC60 min
Jun 11, 10:03 AM CDTAreal Flood AdvisoryLBF8 hr
Jun 11, 10:49 PM CDTAreal Flood WarningLBF12 hr
Jun 11, 11:10 PM CDTAreal Flood AdvisoryLBF5 hr
Jun 11, 11:17 PM CDTSevere Thunderstorm WarningLBF43 min
Jun 11, 11:22 PM CDTSevere Thunderstorm WarningLBF38 min
Jun 11, 11:43 PM CDTFlash Flood WarningLBF10 hr
Jun 11, 11:56 PM CDTSevere Thunderstorm WarningLBF34 min
Jun 12, 1:58 AM CDTAreal Flood WarningLBF6 hr
Jun 12, 3:17 AM CDTAreal Flood WarningLBF6 hr
Jun 12, 6:08 AM CDTRiver Flood WarningLBF7 days
Jun 12, 9:26 AM CDTAreal Flood AdvisoryLBF6 hr
Jun 12, 4:59 PM CDTAreal Flood AdvisoryLBF12 hr
Jun 13, 1:16 AM CDTFlash Flood WarningLBF10 hr
Jun 13, 11:23 AM CDTAreal Flood WarningLBF48 hr
Jun 15, 11:52 AM CDTAreal Flood AdvisoryLBF24 hr
Jun 18, 3:19 AM CDTMesoscale DiscussionSPC86 min
Jun 19, 10:08 PM CDTMesoscale DiscussionSPC67 min
Jun 19, 10:39 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 20, 4:26 AM CDTMesoscale DiscussionSPC94 min
Jun 20, 4:46 AM CDTMesoscale DiscussionSPC89 min
Jun 20, 9:07 AM CDTFlash Flood WatchLBF19 hr
Jun 20, 9:35 PM CDTMesoscale DiscussionSPC55 min
Jun 20, 11:09 PM CDTSevere Thunderstorm WarningLBF21 min
Jun 22, 3:37 PM CDTMesoscale DiscussionSPC23 min
Jun 22, 6:30 PM CDTTornado WatchSPC6 hr
Jun 22, 7:08 PM CDTMesoscale DiscussionSPC2 hr
Jun 22, 9:52 PM CDTSevere Thunderstorm WarningLBF38 min
Jun 22, 9:59 PM CDTMesoscale DiscussionSPC91 min
Jun 22, 10:09 PM CDTSevere Thunderstorm WarningLBF30 min
Jun 22, 10:26 PM CDTSevere Thunderstorm WarningLBF49 min
Jun 22, 10:57 PM CDTSevere Thunderstorm WarningLBF37 min
Jun 25, 5:32 PM CDTMesoscale DiscussionSPC118 min
Jun 26, 3:58 PM CDTMesoscale DiscussionSPC2 hr
Jun 26, 4:50 PM CDTTornado WatchSPC7 hr
Jun 26, 5:56 PM CDTSevere Thunderstorm WarningLBF49 min
Jun 26, 11:01 PM CDTSevere Thunderstorm WarningLBF59 min
Jun 26, 11:51 PM CDTSevere Thunderstorm WarningLBF24 min
Jun 26, 11:54 PM CDTSevere Thunderstorm WarningLBF36 min
Jun 27, 12:16 AM CDTSevere Thunderstorm WarningLBF14 min
Jul 2, 3:59 AM CDTWind AdvisoryLBF12 hr
Jul 3, 3:03 PM CDTFlash Flood WatchLBF13 hr
Jul 3, 5:27 PM CDTMesoscale DiscussionSPC63 min
Jul 3, 6:17 PM CDTSevere Thunderstorm WatchSPC7 hr
Jul 3, 8:45 PM CDTMesoscale DiscussionSPC60 min
Jul 3, 10:04 PM CDTMesoscale DiscussionSPC56 min
Jul 3, 11:48 PM CDTMesoscale DiscussionSPC57 min
Jul 6, 2:50 PM CDTSevere Thunderstorm WatchSPC7 hr
Jul 6, 6:22 PM CDTMesoscale DiscussionSPC53 min
Jul 10, 1:55 PM CDTSevere Thunderstorm WatchSPC8 hr
Jul 10, 5:17 PM CDTMesoscale DiscussionSPC58 min
Jul 10, 7:57 PM CDTSevere Thunderstorm WarningLBF48 min
Jul 10, 8:55 PM CDTSevere Thunderstorm WarningLBF35 min
Jul 10, 9:16 PM CDTMesoscale DiscussionSPC59 min
Jul 11, 6:13 PM CDTSevere Thunderstorm WatchSPC5 hr
Jul 11, 6:27 PM CDTSevere Thunderstorm WarningLBF48 min
Jul 11, 7:00 PM CDTSevere Thunderstorm WarningLBF45 min
Jul 11, 7:14 PM CDTSevere Thunderstorm WarningLBF61 min
Jul 11, 7:38 PM CDTMesoscale DiscussionSPC67 min
Jul 11, 7:39 PM CDTSevere Thunderstorm WarningLBF66 min
Jul 11, 8:29 PM CDTSevere Thunderstorm WarningLBF31 min
Jul 11, 8:55 PM CDTSevere Thunderstorm WarningLBF35 min
Jul 17, 4:05 PM CDTMesoscale DiscussionSPC55 min
Jul 17, 4:37 PM CDTTornado WatchSPC5 hr
Jul 17, 5:52 PM CDTSevere Thunderstorm WarningLBF53 min
Jul 17, 7:25 PM CDTSevere Thunderstorm WarningLBF50 min
Jul 17, 7:32 PM CDTTornado WarningLBF28 min
Jul 17, 7:54 PM CDTMesoscale DiscussionSPC96 min
Jul 17, 7:59 PM CDTTornado WarningLBF46 min
Jul 17, 8:11 PM CDTSevere Thunderstorm WarningLBF39 min
Jul 19, 5:42 PM CDTMesoscale DiscussionSPC63 min
Jul 19, 6:31 PM CDTSevere Thunderstorm WatchSPC6 hr
Jul 21, 7:22 PM CDTMesoscale DiscussionSPC83 min
Jul 21, 9:51 PM CDTAreal Flood AdvisoryLBF3 hr
Jul 21, 10:15 PM CDTFlash Flood WarningLBF4 hr
Jul 21, 11:40 PM CDTMesoscale DiscussionSPC2 hr
Jul 22, 12:24 AM CDTFlash Flood WarningLBF12 hr
Jul 22, 12:45 PM CDTAreal Flood WarningLBF6 hr
Jul 22, 3:39 PM CDTFlood WatchLBF31 hr
Jul 23, 8:27 PM CDTSevere Thunderstorm WarningLBF48 min
Jul 23, 8:30 PM CDTTornado WatchSPC5 hr
Jul 23, 9:32 PM CDTSevere Thunderstorm WarningLBF28 min
Jul 27, 5:13 PM CDTMesoscale DiscussionSPC2 hr
Jul 29, 3:34 AM CDTFlash Flood WatchLBF24 hr
Aug 1, 5:15 PM CDTSevere Thunderstorm WatchSPC5 hr
Aug 1, 8:03 PM CDTMesoscale DiscussionSPC117 min
Aug 2, 7:15 AM CDTAreal Flood WarningLBF2 hr
Aug 2, 1:44 PM CDTMesoscale DiscussionSPC61 min
Aug 7, 2:24 AM CDTHeat AdvisoryLBF37 hr
Aug 8, 2:10 PM CDTSevere Thunderstorm WarningLBF50 min
Aug 8, 2:19 PM CDTMesoscale DiscussionSPC86 min
Aug 8, 2:32 PM CDTSevere Thunderstorm WatchSPC7 hr
Aug 8, 2:39 PM CDTSevere Thunderstorm WarningLBF51 min
Aug 8, 2:51 PM CDTSevere Thunderstorm WarningLBF39 min
Aug 8, 3:10 PM CDTFlash Flood WarningLBF2 hr
Aug 8, 3:21 PM CDTTornado WarningLBF39 min
Aug 8, 3:25 PM CDTSevere Thunderstorm WarningLBF65 min
Aug 8, 3:56 PM CDTFlash Flood WarningLBF79 min
Aug 8, 4:01 PM CDTFlash Flood WarningLBF102 min
Aug 8, 4:06 PM CDTTornado WatchSPC6 hr
Aug 8, 4:23 PM CDTSevere Thunderstorm WarningLBF52 min
Aug 8, 4:30 PM CDTSevere Thunderstorm WarningLBF33 min
Aug 8, 5:00 PM CDTAreal Flood AdvisoryLBF3 hr
Aug 8, 5:26 PM CDTSevere Thunderstorm WarningLBF34 min
Aug 8, 5:47 PM CDTMesoscale DiscussionSPC58 min
Aug 12, 2:05 PM CDTMesoscale DiscussionSPC115 min
Aug 16, 1:51 PM CDTSevere Thunderstorm WarningLBF39 min
Aug 16, 2:29 PM CDTSevere Thunderstorm WarningLBF46 min
Aug 16, 2:50 PM CDTMesoscale DiscussionSPC85 min
Aug 16, 3:08 PM CDTSevere Thunderstorm WatchSPC4 hr
Aug 16, 5:32 PM CDTMesoscale DiscussionSPC28 min
Aug 19, 5:30 PM CDTSevere Thunderstorm WatchSPC5 hr
Aug 19, 6:54 PM CDTSevere Thunderstorm WarningLBF51 min
Aug 19, 7:26 PM CDTSevere Thunderstorm WarningLBF49 min
Aug 19, 7:39 PM CDTSevere Thunderstorm WarningLBF36 min
Aug 19, 8:11 PM CDTMesoscale DiscussionSPC64 min
Aug 21, 4:44 PM CDTFire Weather WatchLBF11 hr
Aug 22, 3:15 AM CDTRed Flag WarningLBF16 hr
Aug 25, 2:41 PM CDTFire Weather WatchLBF38 hr
Aug 27, 4:59 AM CDTRed Flag WarningLBF16 hr
Aug 29, 3:41 PM CDTWind AdvisoryLBF5 hr
Aug 30, 3:33 AM CDTWind AdvisoryLBF12 hr
Aug 30, 2:45 PM CDTMesoscale DiscussionSPC30 min
Aug 30, 3:23 PM CDTSevere Thunderstorm WatchSPC6 hr
Aug 30, 4:56 PM CDTSevere Thunderstorm WarningLBF49 min
Aug 30, 5:36 PM CDTSevere Thunderstorm WarningLBF54 min
Aug 30, 6:26 PM CDTSevere Thunderstorm WarningLBF27 min
Sep 1, 11:42 PM CDTSevere Thunderstorm WarningLBF48 min
Sep 2, 12:27 AM CDTSevere Thunderstorm WarningLBF63 min
Sep 2, 1:11 AM CDTSevere Thunderstorm WatchSPC5 hr
Sep 2, 1:27 AM CDTSevere Thunderstorm WarningLBF48 min
Sep 2, 3:15 AM CDTMesoscale DiscussionSPC90 min
Sep 5, 3:02 PM CDTWind AdvisoryLBF28 hr
Sep 14, 5:43 PM CDTMesoscale DiscussionSPC92 min
Sep 14, 6:22 PM CDTTornado WatchSPC4 hr
Sep 14, 8:02 PM CDTMesoscale DiscussionSPC88 min
Sep 20, 3:36 AM CDTWind AdvisoryLBF16 hr
Sep 20, 8:34 PM CDTMesoscale DiscussionSPC86 min
Sep 22, 8:48 AM CDTMesoscale DiscussionSPC87 min
Sep 22, 9:40 AM CDTSevere Thunderstorm WarningLBF50 min
Sep 22, 10:51 AM CDTSevere Thunderstorm WarningLBF39 min
Sep 22, 10:54 AM CDTSevere Thunderstorm WarningLBF36 min
Sep 22, 11:26 AM CDTSevere Thunderstorm WarningLBF49 min
Sep 22, 3:24 PM CDTMesoscale DiscussionSPC96 min
Sep 22, 3:46 PM CDTFlash Flood WatchLBF18 hr
Sep 22, 4:00 PM CDTTornado WatchSPC7 hr
Sep 22, 7:41 PM CDTMesoscale DiscussionSPC2 hr
Oct 2, 3:02 AM CDTFrost AdvisoryLBF30 hr
Oct 7, 3:43 PM CDTFire Weather WatchLBF12 hr
Oct 8, 3:46 AM CDTRed Flag WarningLBF15 hr
Oct 14, 2:20 PM CDTFire Weather WatchLBF13 hr
Oct 23, 9:04 PM CDTSevere Thunderstorm WarningLBF41 min
Oct 23, 9:44 PM CDTSevere Thunderstorm WarningLBF46 min
Oct 23, 10:29 PM CDTSevere Thunderstorm WarningLBF46 min
Oct 25, 3:13 PM CDTHigh Wind WatchLBF36 hr
Oct 25, 3:13 PM CDTHigh Wind WarningLBF26 hr
Oct 26, 3:32 AM CDTWind AdvisoryLBF39 hr
Oct 26, 4:45 PM CDTWind AdvisoryLBF3 hr
Oct 27, 3:03 AM CDTHigh Wind WarningLBF16 hr
Oct 29, 4:07 AM CDTFire Weather WatchLBF12 hr
Nov 20, 11:29 PM CSTWinter Weather AdvisoryLBF13 hr
Nov 22, 12:46 AM CSTWinter Weather AdvisoryLBF8 hr
Nov 23, 3:30 PM CSTFreezing Rain AdvisoryLBF21 hr
Nov 28, 4:01 PM CSTWind AdvisoryLBF38 hr
Dec 10, 2:53 PM CSTWind AdvisoryLBF27 hr
Dec 10, 10:19 PM CSTWinter Weather AdvisoryLBF20 hr
Dec 11, 3:18 PM CSTWind Chill AdvisoryLBF19 hr
Dec 15, 3:18 PM CSTWinter Weather AdvisoryLBF5 hr
Dec 20, 2:10 AM CSTWinter Weather AdvisoryLBF8 hr
Dec 28, 11:42 PM CSTWinter Storm WatchLBF15 hr
Dec 29, 2:27 PM CSTWinter Storm WarningLBF58 hr
Dec 31, 11:22 AM CSTMesoscale DiscussionSPC5 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.