Alert archive / North Dakota / Oliver County

Weather alerts in Oliver County, North Dakota, 2014

133 weather alerts in 2014, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Oliver County and its neighbors

Each county as a circle sized by its count in 2014. Tap one for its archive.

Alerts: 133
Warnings: 26
Watches: 20
Advisories: 54
Busiest month: January21 alerts
Busiest day: July 21, 20148 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 1 tornado warnings covering Oliver County in 2014 had a tornado report inside them.

Oliver County, 2014

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
Tornado warnings	1	0	100%	0
Severe thunderstorm warnings	11	8	27%	13	100%	39 min
Flash flood warnings	0			0

Each office's whole area, 2014

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
NWS Bismarck, ND: tornado warnings	31	1	97%	14	21%	2 min
NWS Bismarck, ND: severe thunderstorm warnings	136	84	38%	203	83%	24 min
NWS Bismarck, ND: flash flood warnings	7	2	71%	7	43%	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.

Issued	Product	Office	Lasted
Jan 2, 2:49 PM CST	Blizzard Watch	BIS	13 hr
Jan 3, 3:41 AM CST	Blizzard Warning	BIS	24 hr
Jan 4, 1:01 AM CST	Winter Weather Advisory	BIS	3 hr
Jan 4, 3:50 AM CST	Wind Chill Warning	BIS	66 hr
Jan 7, 3:31 PM CST	Wind Chill Advisory	BIS	21 hr
Jan 11, 3:15 PM CST	Freezing Rain Advisory	BIS	17 hr
Jan 11, 3:26 PM CST	Wind Advisory	BIS	27 hr
Jan 12, 4:10 PM CST	High Wind Watch	BIS	12 hr
Jan 13, 4:03 AM CST	Wind Advisory	BIS	26 hr
Jan 14, 3:32 PM CST	High Wind Watch	BIS	12 hr
Jan 15, 3:29 AM CST	High Wind Warning	BIS	39 hr
Jan 17, 4:28 AM CST	Wind Advisory	BIS	30 hr
Jan 20, 4:07 AM CST	Wind Advisory	BIS	8 hr
Jan 22, 3:35 AM CST	Wind Chill Advisory	BIS	33 hr
Jan 22, 3:39 PM CST	Wind Chill Warning	BIS	21 hr
Jan 24, 4:07 AM CST	Wind Advisory	BIS	17 hr
Jan 25, 3:14 AM CST	Blizzard Watch	BIS	9 hr
Jan 25, 9:58 AM CST	High Wind Warning	BIS	33 hr
Jan 25, 12:25 PM CST	Blizzard Warning	BIS	32 hr
Jan 26, 3:58 PM CST	Wind Chill Advisory	BIS	45 hr
Jan 30, 3:40 AM CST	Wind Chill Advisory	BIS	32 hr
Feb 4, 2:36 PM CST	Wind Chill Advisory	BIS	46 hr
Feb 6, 3:11 PM CST	Wind Chill Advisory	BIS	19 hr
Feb 11, 3:28 PM CST	Winter Weather Advisory	BIS	42 hr
Feb 13, 12:24 AM CST	Wind Advisory	BIS	9 hr
Feb 24, 2:53 PM CST	Wind Chill Advisory	BIS	19 hr
Feb 26, 3:15 PM CST	Wind Chill Advisory	BIS	19 hr
Feb 28, 6:41 AM CST	Wind Advisory	BIS	8 hr
Feb 28, 2:49 PM CST	Wind Chill Warning	BIS	46 hr
Feb 28, 2:49 PM CST	Wind Chill Advisory	BIS	46 hr
Mar 11, 9:47 AM CDT	River Flood Warning	BIS	16 hr
Mar 29, 4:15 AM CDT	Winter Storm Watch	BIS	24 hr
Mar 30, 4:21 AM CDT	Blizzard Warning	BIS	45 hr
Mar 30, 4:21 AM CDT	Winter Storm Warning	BIS	20 hr
Mar 30, 9:13 PM CDT	Mesoscale Discussion	SPC	3 hr
Apr 7, 12:43 AM CDT	Areal Flood Advisory	BIS	41 hr
Apr 9, 2:51 AM CDT	Wind Advisory	BIS	17 hr
Apr 23, 4:39 AM CDT	Wind Advisory	BIS	14 hr
Apr 26, 11:27 AM CDT	Wind Advisory	BIS	32 hr
Apr 26, 10:07 PM CDT	Wind Advisory	BIS	5 hr
May 11, 3:56 PM CDT	Wind Advisory	BIS	27 hr
May 13, 3:26 PM CDT	Freeze Warning	BIS	18 hr
May 14, 3:37 PM CDT	Freeze Warning	BIS	17 hr
May 15, 3:51 PM CDT	Frost Advisory	BIS	12 hr
May 20, 9:48 PM CDT	Frost Advisory	BIS	10 hr
May 26, 10:57 PM CDT	Severe Thunderstorm Warning	BIS	63 min
May 26, 11:52 PM CDT	Mesoscale Discussion	SPC	53 min
May 26, 11:53 PM CDT	Severe Thunderstorm Warning	BIS	67 min
May 29, 1:26 PM CDT	Wind Advisory	BIS	5 hr
May 29, 3:15 PM CDT	Mesoscale Discussion	SPC	60 min
May 29, 3:45 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
May 29, 6:25 PM CDT	Mesoscale Discussion	SPC	65 min
May 29, 8:47 PM CDT	Mesoscale Discussion	SPC	58 min
May 29, 8:53 PM CDT	Severe Thunderstorm Warning	BIS	37 min
May 29, 11:04 PM CDT	Special Weather Statement	BIS	56 min
Jun 1, 4:09 AM CDT	Flood Watch	BIS	27 hr
Jun 4, 6:40 PM CDT	Mesoscale Discussion	SPC	95 min
Jun 6, 2:58 PM CDT	Frost Advisory	BIS	18 hr
Jun 8, 3:41 PM CDT	Special Weather Statement	BIS	34 min
Jun 8, 4:18 PM CDT	Special Weather Statement	BIS	57 min
Jun 8, 5:10 PM CDT	Special Weather Statement	BIS	50 min
Jun 13, 3:59 AM CDT	Wind Advisory	BIS	15 hr
Jun 16, 7:49 PM CDT	Mesoscale Discussion	SPC	86 min
Jun 18, 11:17 AM CDT	Flash Flood Watch	BIS	16 hr
Jun 18, 1:28 PM CDT	Tornado Watch	SPC	9 hr
Jun 25, 8:37 PM CDT	Special Weather Statement	BIS	53 min
Jun 26, 2:46 PM CDT	Flash Flood Watch	BIS	52 hr
Jun 27, 1:29 AM CDT	Special Weather Statement	BIS	46 min
Jun 27, 3:28 PM CDT	Special Weather Statement	BIS	32 min
Jun 27, 9:20 PM CDT	Special Weather Statement	BIS	40 min
Jun 27, 10:04 PM CDT	Special Weather Statement	BIS	41 min
Jun 28, 10:12 AM CDT	Areal Flood Advisory	BIS	11 hr
Jun 29, 2:49 AM CDT	Wind Advisory	BIS	17 hr
Jun 30, 3:04 AM CDT	Wind Advisory	BIS	16 hr
Jul 4, 9:38 AM CDT	Special Weather Statement	BIS	37 min
Jul 5, 5:03 PM CDT	Mesoscale Discussion	SPC	57 min
Jul 5, 6:35 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jul 6, 7:18 PM CDT	Mesoscale Discussion	SPC	57 min
Jul 6, 7:36 PM CDT	Severe Thunderstorm Watch	SPC	4 hr
Jul 6, 9:36 PM CDT	Severe Thunderstorm Warning	BIS	54 min
Jul 6, 9:50 PM CDT	Mesoscale Discussion	SPC	55 min
Jul 6, 10:23 PM CDT	Severe Thunderstorm Warning	BIS	37 min
Jul 21, 12:52 PM CDT	Mesoscale Discussion	SPC	83 min
Jul 21, 1:09 PM CDT	Tornado Watch	SPC	6 hr
Jul 21, 3:20 PM CDT	Mesoscale Discussion	SPC	55 min
Jul 21, 4:01 PM CDT	Mesoscale Discussion	SPC	89 min
Jul 21, 4:12 PM CDT	Severe Thunderstorm Warning	BIS	63 min
Jul 21, 4:43 PM CDT	Severe Thunderstorm Warning	BIS	62 min
Jul 21, 4:59 PM CDT	Tornado Warning	BIS	31 min
Jul 21, 5:33 PM CDT	Severe Thunderstorm Warning	BIS	57 min
Jul 24, 3:27 AM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jul 24, 6:47 AM CDT	Mesoscale Discussion	SPC	118 min
Jul 24, 8:23 PM CDT	Mesoscale Discussion	SPC	97 min
Aug 15, 7:12 AM CDT	Areal Flood Advisory	BIS	16 hr
Aug 17, 2:20 PM CDT	Mesoscale Discussion	SPC	85 min
Aug 17, 3:52 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Aug 17, 8:37 PM CDT	River Flood Watch	BIS	40 hr
Aug 20, 3:42 PM CDT	Mesoscale Discussion	SPC	2 hr
Aug 20, 7:34 PM CDT	Special Weather Statement	BIS	56 min
Aug 20, 7:38 PM CDT	Special Weather Statement	BIS	52 min
Aug 20, 7:53 PM CDT	Mesoscale Discussion	SPC	97 min
Aug 22, 3:50 PM CDT	Flood Watch	BIS	34 hr
Aug 23, 1:30 PM CDT	Areal Flood Advisory	BIS	24 hr
Aug 23, 11:09 PM CDT	River Flood Watch	BIS	12 hr
Aug 27, 4:18 AM CDT	Dense Fog Advisory	BIS	6 hr
Aug 30, 7:27 PM CDT	Severe Thunderstorm Watch	SPC	4 hr
Aug 30, 11:00 PM CDT	Mesoscale Discussion	SPC	90 min
Sep 3, 5:25 PM CDT	Mesoscale Discussion	SPC	95 min
Sep 3, 7:01 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Sep 3, 8:54 PM CDT	Mesoscale Discussion	SPC	96 min
Sep 4, 12:02 AM CDT	Severe Thunderstorm Warning	BIS	58 min
Sep 4, 1:01 AM CDT	Severe Thunderstorm Warning	BIS	59 min
Sep 4, 2:49 AM CDT	Severe Thunderstorm Warning	BIS	56 min
Sep 11, 3:21 AM CDT	Freeze Warning	BIS	30 hr
Sep 12, 3:01 PM CDT	Frost Advisory	BIS	18 hr
Sep 13, 3:29 PM CDT	Frost Advisory	BIS	18 hr
Sep 14, 2:57 PM CDT	Frost Advisory	BIS	18 hr
Oct 2, 1:18 PM CDT	Wind Advisory	BIS	30 hr
Oct 3, 2:23 PM CDT	Freeze Warning	BIS	19 hr
Oct 5, 3:40 AM CDT	Wind Advisory	BIS	15 hr
Oct 15, 3:29 PM CDT	Wind Advisory	BIS	27 hr
Nov 6, 1:24 PM CST	Wind Advisory	BIS	35 hr
Nov 8, 4:13 AM CST	Winter Weather Advisory	BIS	55 hr
Nov 15, 2:42 PM CST	Winter Weather Advisory	BIS	31 hr
Nov 22, 3:29 PM CST	Wind Advisory	BIS	30 hr
Nov 25, 4:03 AM CST	Winter Weather Advisory	BIS	24 hr
Nov 26, 3:58 PM CST	Winter Weather Advisory	BIS	36 hr
Nov 26, 3:58 PM CST	Freezing Rain Advisory	BIS	13 hr
Nov 29, 4:42 AM CST	Wind Chill Advisory	BIS	55 hr
Dec 14, 10:57 AM CST	Freezing Rain Advisory	BIS	25 hr
Dec 19, 2:56 PM CST	Dense Fog Advisory	BIS	23 hr
Dec 27, 4:31 PM CST	Wind Chill Advisory	BIS	67 hr
Dec 30, 3:22 PM CST	Wind Chill Advisory	BIS	12 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Product	Alerts
Severe storms
Severe Thunderstorm Warning	11
Tornado Warning	1
Severe Thunderstorm Watch	7
Tornado Watch	2
Mesoscale Discussion	21
Special Weather Statement	12
Flooding
River Flood Warning	1
Flash Flood Watch	2
Flood Watch	2
River Flood Watch	2
Areal Flood Advisory	4
Winter
Blizzard Warning	3
Winter Storm Warning	1
Blizzard Watch	2
Winter Storm Watch	1
Freezing Rain Advisory	3
Winter Weather Advisory	6
Cold
Freeze Warning	4
Wind Chill Warning	3
Frost Advisory	6
Wind Chill Advisory	12
Wind and dust
High Wind Warning	2
High Wind Watch	2
Wind Advisory	21
Fog and smoke
Dense Fog Advisory	2

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2013 2015

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.