Alert archive / North Dakota / Grant County

Weather alerts in Grant County, North Dakota, 2024

133 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Grant County and its neighbors

Each county as a circle sized by its count in 2024. Tap one for its archive.

Alerts: 133
Warnings: 33
Watches: 20
Advisories: 56
Busiest month: June26 alerts
Busiest day: July 29, 20247 alerts

Over time

By month

Warning verification

How often warnings here had a storm report inside them, and how much warning the reports had.

Grant County, 2024

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
Tornado warnings	0			0
Severe thunderstorm warnings	18	11	39%	6	50%	16 min
Flash flood warnings	0			0

Each office's whole area, 2024

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
NWS Bismarck, ND: tornado warnings	17	4	76%	10	40%	11 min
NWS Bismarck, ND: severe thunderstorm warnings	212	149	30%	316	86%	24 min
NWS Bismarck, ND: flash flood warnings	6	2	67%	2	100%	39 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, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.

Issued	Product	Office	Lasted
Jan 10, 2:24 AM MST	Wind Chill Advisory	BIS	63 hr
Jan 12, 1:41 AM MST	Wind Chill Warning	BIS	3 days
Jan 12, 11:37 AM MST	Winter Weather Advisory	BIS	39 hr
Jan 15, 1:32 AM MST	Wind Chill Advisory	BIS	56 hr
Jan 17, 12:41 PM MST	Winter Weather Advisory	BIS	30 hr
Jan 18, 2:26 AM MST	Wind Chill Advisory	BIS	32 hr
Jan 19, 12:59 PM MST	Wind Chill Advisory	BIS	22 hr
Jan 21, 3:05 PM MST	Winter Weather Advisory	BIS	14 hr
Jan 24, 6:43 PM MST	Dense Fog Advisory	BIS	18 hr
Jan 25, 3:40 PM MST	Dense Fog Advisory	BIS	17 hr
Feb 1, 5:41 AM MST	Dense Fog Advisory	BIS	4 hr
Feb 1, 8:38 PM MST	Dense Fog Advisory	BIS	41 hr
Feb 3, 4:42 PM MST	Dense Fog Advisory	BIS	21 hr
Feb 4, 5:03 PM MST	Dense Fog Advisory	BIS	18 hr
Feb 5, 6:36 PM MST	Dense Fog Advisory	BIS	18 hr
Feb 6, 6:37 PM MST	Dense Fog Advisory	BIS	19 hr
Feb 7, 6:15 PM MST	Dense Fog Advisory	BIS	15 hr
Feb 16, 1:24 PM MST	Wind Advisory	BIS	28 hr
Feb 24, 12:50 AM MST	Wind Advisory	BIS	16 hr
Feb 26, 12:57 AM MST	Winter Weather Advisory	BIS	40 hr
Feb 26, 1:00 AM MST	Wind Advisory	BIS	12 hr
Mar 2, 7:39 PM MST	Wind Advisory	BIS	27 hr
Mar 15, 2:36 AM MDT	Red Flag Warning	BIS	16 hr
Mar 20, 12:52 PM MDT	Winter Weather Advisory	BIS	34 hr
Mar 22, 3:08 AM MDT	Winter Storm Watch	BIS	34 hr
Mar 23, 12:47 PM MDT	Winter Storm Warning	BIS	37 hr
Mar 23, 12:47 PM MDT	Winter Weather Advisory	BIS	61 hr
Mar 28, 7:06 PM MDT	Winter Weather Advisory	BIS	19 hr
Apr 4, 1:50 PM MDT	Wind Advisory	BIS	29 hr
Apr 5, 2:14 AM MDT	Red Flag Warning	BIS	16 hr
Apr 6, 2:00 AM MDT	Wind Advisory	BIS	17 hr
Apr 9, 1:17 PM MDT	Wind Advisory	BIS	30 hr
Apr 15, 2:03 AM MDT	Wind Advisory	BIS	20 hr
Apr 17, 2:30 AM MDT	Wind Advisory	BIS	17 hr
Apr 17, 8:43 PM MDT	Wind Advisory	BIS	23 hr
Apr 21, 1:48 AM MDT	Fire Weather Watch	BIS	24 hr
Apr 22, 1:33 AM MDT	Wind Advisory	BIS	18 hr
Apr 22, 1:52 AM MDT	Red Flag Warning	BIS	17 hr
Apr 28, 1:50 PM MDT	Fire Weather Watch	BIS	36 hr
May 4, 1:19 PM MDT	Wind Advisory	BIS	55 hr
May 6, 11:18 AM MDT	Severe Thunderstorm Watch	SPC	8 hr
May 17, 1:30 PM MDT	Severe Thunderstorm Watch	SPC	7 hr
May 17, 2:40 PM MDT	Severe Thunderstorm Warning	BIS	50 min
May 17, 4:04 PM MDT	Mesoscale Discussion	SPC	116 min
May 17, 5:26 PM MDT	Severe Thunderstorm Warning	BIS	64 min
May 19, 6:15 PM MDT	Severe Thunderstorm Warning	BIS	45 min
May 21, 12:35 PM MDT	Frost Advisory	BIS	19 hr
May 23, 2:25 PM MDT	Severe Thunderstorm Watch	SPC	8 hr
May 23, 6:15 PM MDT	Severe Thunderstorm Warning	BIS	60 min
May 24, 2:20 AM MDT	Wind Advisory	BIS	17 hr
May 24, 1:40 PM MDT	Frost Advisory	BIS	17 hr
May 29, 10:58 AM MDT	Wind Advisory	BIS	8 hr
Jun 2, 1:01 PM MDT	Mesoscale Discussion	SPC	2 hr
Jun 2, 2:51 PM MDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 2, 4:00 PM MDT	Severe Thunderstorm Warning	BIS	45 min
Jun 2, 5:18 PM MDT	Mesoscale Discussion	SPC	72 min
Jun 3, 6:56 PM MDT	Severe Thunderstorm Warning	BIS	29 min
Jun 4, 1:34 PM MDT	Wind Advisory	BIS	30 hr
Jun 6, 12:54 AM MDT	Wind Advisory	BIS	17 hr
Jun 7, 5:16 PM MDT	Mesoscale Discussion	SPC	89 min
Jun 10, 3:21 PM MDT	Special Weather Statement	BIS	39 min
Jun 15, 1:21 PM MDT	Mesoscale Discussion	SPC	114 min
Jun 15, 4:11 PM MDT	Mesoscale Discussion	SPC	94 min
Jun 15, 6:55 PM MDT	Mesoscale Discussion	SPC	65 min
Jun 15, 7:10 PM MDT	Tornado Watch	SPC	6 hr
Jun 15, 7:48 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BIS	57 min
Jun 15, 8:40 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BIS	46 min
Jun 15, 9:08 PM MDT	Mesoscale Discussion	SPC	67 min
Jun 16, 1:51 AM MDT	Wind Advisory	BIS	16 hr
Jun 17, 8:19 PM MDT	Mesoscale Discussion	SPC	116 min
Jun 18, 12:24 PM MDT	Frost Advisory	BIS	19 hr
Jun 24, 12:40 AM MDT	Mesoscale Discussion	SPC	2 hr
Jun 27, 5:21 PM MDT	Mesoscale Discussion	SPC	84 min
Jun 27, 6:01 PM MDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 27, 6:58 PM MDT	Severe Thunderstorm Warning Destructive damage threat	BIS	62 min
Jun 27, 7:04 PM MDT	Severe Thunderstorm Warning Destructive damage threat	BIS	56 min
Jun 27, 7:11 PM MDT	Mesoscale Discussion	SPC	94 min
Jun 27, 7:52 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BIS	53 min
Jul 1, 1:16 PM MDT	Mesoscale Discussion	SPC	119 min
Jul 1, 2:44 PM MDT	Severe Thunderstorm Watch	SPC	4 hr
Jul 12, 3:05 PM MDT	Mesoscale Discussion	SPC	115 min
Jul 12, 5:52 PM MDT	Mesoscale Discussion	SPC	113 min
Jul 12, 6:28 PM MDT	Severe Thunderstorm Watch	SPC	5 hr
Jul 12, 8:13 PM MDT	Severe Thunderstorm Warning	BIS	62 min
Jul 12, 8:56 PM MDT	Severe Thunderstorm Warning	BIS	43 min
Jul 12, 9:06 PM MDT	Mesoscale Discussion	SPC	84 min
Jul 13, 10:30 PM MDT	Special Weather Statement	BIS	30 min
Jul 23, 2:13 AM MDT	Heat Advisory	BIS	66 hr
Jul 27, 7:11 PM MDT	Severe Thunderstorm Warning	BIS	49 min
Jul 29, 2:35 AM MDT	Special Weather Statement	BIS	25 min
Jul 29, 2:52 AM MDT	Severe Thunderstorm Warning	BIS	53 min
Jul 29, 2:38 PM MDT	Mesoscale Discussion	SPC	67 min
Jul 29, 3:26 PM MDT	Severe Thunderstorm Watch	SPC	8 hr
Jul 29, 4:33 PM MDT	Severe Thunderstorm Warning	BIS	27 min
Jul 29, 4:51 PM MDT	Severe Thunderstorm Warning	BIS	54 min
Jul 29, 5:49 PM MDT	Mesoscale Discussion	SPC	86 min
Jul 29, 6:13 PM MDT	Severe Thunderstorm Warning	BIS	47 min
Jul 30, 2:03 PM MDT	Mesoscale Discussion	SPC	117 min
Jul 30, 3:37 PM MDT	Severe Thunderstorm Watch	SPC	5 hr
Aug 17, 2:34 AM MDT	Dense Fog Advisory	BIS	7 hr
Aug 23, 2:58 AM MDT	Dense Fog Advisory	BIS	8 hr
Aug 28, 3:41 PM MDT	Tornado Watch	SPC	6 hr
Sep 11, 12:40 PM MDT	Fire Weather Watch	BIS	12 hr
Sep 11, 8:02 PM MDT	Wind Advisory	BIS	26 hr
Sep 12, 1:09 AM MDT	Red Flag Warning	BIS	18 hr
Sep 14, 3:27 PM MDT	Special Weather Statement	BIS	33 min
Sep 16, 2:00 AM MDT	Mesoscale Discussion	SPC	2 hr
Sep 18, 2:39 PM MDT	Wind Advisory	BIS	27 hr
Sep 21, 12:15 PM MDT	Frost Advisory	BIS	20 hr
Sep 28, 2:16 AM MDT	Fire Weather Watch	BIS	11 hr
Sep 28, 1:29 PM MDT	Red Flag Warning	BIS	53 hr
Sep 29, 1:35 AM MDT	Fire Weather Watch	BIS	13 hr
Sep 29, 1:19 PM MDT	Wind Advisory	BIS	31 hr
Sep 30, 12:39 PM MDT	Frost Advisory	BIS	20 hr
Oct 1, 1:51 AM MDT	Red Flag Warning	BIS	16 hr
Oct 2, 12:22 PM MDT	Freeze Warning	BIS	21 hr
Oct 3, 1:59 AM MDT	High Wind Watch	BIS	47 hr
Oct 3, 2:20 AM MDT	Fire Weather Watch	BIS	34 hr
Oct 4, 12:02 PM MDT	Red Flag Warning	BIS	32 hr
Oct 4, 12:46 PM MDT	High Wind Warning	BIS	34 hr
Oct 12, 1:55 PM MDT	Freeze Warning	BIS	19 hr
Oct 13, 11:44 AM MDT	Freeze Warning	BIS	21 hr
Oct 14, 10:28 AM MDT	Freeze Warning	BIS	23 hr
Oct 31, 4:40 AM MDT	Dense Fog Advisory	BIS	8 hr
Nov 2, 12:47 AM MDT	Dense Fog Advisory	BIS	10 hr
Nov 9, 9:02 PM MST	Dense Fog Advisory	BIS	14 hr
Nov 18, 1:45 PM MST	Wind Advisory	BIS	51 hr
Dec 8, 2:11 AM MST	Wind Advisory	BIS	35 hr
Dec 16, 1:22 AM MST	Wind Advisory	BIS	12 hr
Dec 18, 1:44 AM MST	High Wind Watch	BIS	11 hr
Dec 18, 1:57 AM MST	Winter Weather Advisory	BIS	39 hr
Dec 18, 1:04 PM MST	High Wind Warning	BIS	24 hr
Dec 23, 12:14 AM MST	Dense Fog Advisory	BIS	32 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	18
Severe Thunderstorm Watch	9
Tornado Watch	2
Mesoscale Discussion	20
Special Weather Statement	4
Winter
Winter Storm Warning	1
Winter Storm Watch	1
Winter Weather Advisory	8
Heat
Heat Advisory	1
Cold
Freeze Warning	4
Wind Chill Warning	1
Frost Advisory	5
Wind Chill Advisory	4
Wind and dust
High Wind Warning	2
High Wind Watch	2
Wind Advisory	23
Fire
Red Flag Warning	7
Fire Weather Watch	6
Fog and smoke
Dense Fog Advisory	15

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2023 2025

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.