Alert archive / South Dakota / Gregory County

Weather alerts in Gregory County, South Dakota, 2007

143 weather alerts in 2007, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Gregory County and its neighbors

Each county as a circle sized by its count in 2007. Tap one for its archive.

Alerts: 143
Warnings: 29
Watches: 30
Advisories: 40
Busiest month: August23 alerts
Busiest day: May 5, 20079 alerts

Over time

By month

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 6, 3:37 PM CST	High Wind Watch	FSD	24 hr
Jan 7, 3:45 AM CST	Wind Advisory	FSD	6 hr
Jan 7, 3:43 PM CST	High Wind Warning	FSD	20 hr
Jan 7, 3:43 PM CST	Wind Advisory	FSD	38 hr
Jan 11, 3:17 PM CST	Wind Chill Advisory	FSD	27 hr
Jan 14, 3:50 AM CST	Snow Advisory	FSD	24 hr
Jan 14, 9:30 PM CST	Wind Chill Advisory	FSD	18 hr
Jan 20, 3:37 AM CST	Snow Advisory	FSD	32 hr
Jan 27, 11:07 AM CST	Wind Advisory	FSD	7 hr
Jan 29, 3:51 AM CST	Wind Advisory	FSD	12 hr
Jan 29, 3:49 PM CST	Wind Chill Advisory	FSD	20 hr
Feb 1, 11:03 AM CST	Wind Chill Advisory	FSD	3 days
Feb 12, 4:14 AM CST	Snow Advisory	FSD	32 hr
Feb 15, 9:14 PM CST	Snow and Blowing Snow Advisory	FSD	27 hr
Feb 15, 9:19 PM CST	Wind Advisory	FSD	24 hr
Feb 22, 3:51 PM CST	Winter Storm Watch	FSD	12 hr
Feb 23, 3:52 AM CST	Winter Storm Warning	FSD	59 hr
Feb 24, 6:49 AM CST	Mesoscale Discussion	SPC	4 hr
Feb 24, 1:34 PM CST	Mesoscale Discussion	SPC	5 hr
Feb 27, 4:08 AM CST	Snow Advisory	FSD	44 hr
Feb 28, 4:32 PM CST	Blizzard Watch	FSD	12 hr
Feb 28, 4:32 PM CST	Blizzard Warning	FSD	61 hr
Mar 1, 4:08 AM CST	Snow and Blowing Snow Advisory	FSD	31 hr
Mar 2, 5:22 PM CST	Mesoscale Discussion	SPC	2 hr
Mar 20, 3:56 AM CDT	Wind Advisory	FSD	15 hr
Mar 29, 4:04 AM CDT	Flood Watch	FSD	24 hr
Apr 20, 1:26 PM CDT	Severe Thunderstorm Watch	SPC	10 hr
Apr 20, 3:31 PM CDT	Mesoscale Discussion	SPC	119 min
Apr 20, 6:48 PM CDT	Mesoscale Discussion	SPC	117 min
Apr 20, 10:56 PM CDT	Mesoscale Discussion	SPC	2 hr
Apr 21, 1:31 AM CDT	Mesoscale Discussion	SPC	59 min
Apr 21, 3:36 AM CDT	Wind Advisory	FSD	18 hr
Apr 21, 2:30 PM CDT	Tornado Watch	SPC	8 hr
Apr 21, 6:20 PM CDT	Mesoscale Discussion	SPC	115 min
Apr 21, 6:34 PM CDT	Severe Thunderstorm Warning	FSD	41 min
Apr 21, 6:59 PM CDT	Severe Thunderstorm Warning	FSD	46 min
Apr 21, 7:41 PM CDT	Severe Thunderstorm Warning	FSD	34 min
Apr 21, 7:56 PM CDT	Mesoscale Discussion	SPC	2 hr
Apr 21, 8:07 PM CDT	Severe Thunderstorm Warning	FSD	38 min
Apr 21, 8:16 PM CDT	Mesoscale Discussion	SPC	119 min
Apr 21, 10:34 PM CDT	Severe Thunderstorm Watch	SPC	3 hr
May 4, 2:24 PM CDT	Tornado Watch	SPC	7 hr
May 4, 3:48 PM CDT	Flood Watch	FSD	58 hr
May 4, 6:17 PM CDT	Severe Thunderstorm Warning	FSD	43 min
May 4, 6:20 PM CDT	Mesoscale Discussion	SPC	85 min
May 4, 9:22 PM CDT	Tornado Watch	SPC	11 hr
May 5, 10:35 AM CDT	Mesoscale Discussion	SPC	85 min
May 5, 10:55 AM CDT	Tornado Watch	SPC	6 hr
May 5, 4:09 PM CDT	Mesoscale Discussion	SPC	96 min
May 5, 4:10 PM CDT	Tornado Warning	FSD	50 min
May 5, 4:33 PM CDT	Tornado Watch PDS	SPC	6 hr
May 5, 5:00 PM CDT	Severe Thunderstorm Warning	FSD	30 min
May 5, 5:50 PM CDT	Severe Thunderstorm Warning	FSD	25 min
May 5, 6:11 PM CDT	Tornado Warning	FSD	34 min
May 5, 7:09 PM CDT	Severe Thunderstorm Warning	FSD	51 min
May 5, 7:26 PM CDT	Mesoscale Discussion	SPC	94 min
May 5, 8:08 PM CDT	Severe Thunderstorm Warning	FSD	52 min
May 5, 9:31 PM CDT	Tornado Watch	SPC	6 hr
May 13, 9:15 AM CDT	Wind Advisory	FSD	10 hr
May 22, 2:08 PM CDT	Mesoscale Discussion	SPC	2 hr
May 22, 2:25 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
May 25, 3:40 AM CDT	Wind Advisory	FSD	11 hr
May 25, 7:22 PM CDT	Mesoscale Discussion	SPC	53 min
Jun 4, 3:36 PM CDT	Mesoscale Discussion	SPC	84 min
Jun 5, 3:15 PM CDT	Wind Advisory	FSD	36 hr
Jun 6, 3:45 PM CDT	Tornado Watch	SPC	7 hr
Jun 6, 6:56 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 6, 7:36 PM CDT	Tornado Watch	SPC	7 hr
Jun 6, 8:54 PM CDT	Severe Thunderstorm Warning	FSD	32 min
Jun 7, 4:32 AM CDT	Wind Advisory	FSD	16 hr
Jun 10, 2:00 PM CDT	Mesoscale Discussion	SPC	60 min
Jun 10, 2:30 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
Jun 10, 4:56 PM CDT	Mesoscale Discussion	SPC	94 min
Jun 12, 4:01 AM CDT	Flash Flood Watch	FSD	36 hr
Jun 12, 9:41 PM CDT	Flash Flood Warning	FSD	4 hr
Jun 17, 3:49 AM CDT	Wind Advisory	FSD	16 hr
Jun 17, 11:08 AM CDT	Flash Flood Watch	FSD	9 hr
Jun 21, 9:10 AM CDT	Mesoscale Discussion	SPC	35 min
Jun 21, 9:38 AM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 21, 2:13 PM CDT	Mesoscale Discussion	SPC	62 min
Jun 21, 3:15 PM CDT	Mesoscale Discussion	SPC	30 min
Jun 21, 8:15 PM CDT	Severe Thunderstorm Warning	FSD	45 min
Jun 21, 8:56 PM CDT	Severe Thunderstorm Warning	FSD	49 min
Jun 21, 9:30 PM CDT	Flash Flood Warning	FSD	90 min
Jul 8, 3:22 PM CDT	Mesoscale Discussion	SPC	83 min
Jul 9, 10:32 PM CDT	Severe Thunderstorm Watch	SPC	4 hr
Jul 17, 4:44 PM CDT	Mesoscale Discussion	SPC	3 hr
Jul 17, 6:13 PM CDT	Severe Thunderstorm Warning	FSD	47 min
Jul 17, 6:56 PM CDT	Severe Thunderstorm Warning	FSD	49 min
Jul 18, 1:51 PM CDT	Mesoscale Discussion	SPC	54 min
Jul 18, 4:15 PM CDT	Mesoscale Discussion	SPC	3 hr
Jul 18, 8:39 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jul 23, 12:00 PM CDT	Heat Advisory	FSD	6 hr
Jul 23, 3:34 PM CDT	Heat Advisory	FSD	26 hr
Jul 24, 8:48 PM CDT	Heat Advisory	FSD	22 hr
Jul 26, 2:58 PM CDT	Mesoscale Discussion	SPC	92 min
Aug 1, 11:44 AM CDT	Mesoscale Discussion	SPC	61 min
Aug 3, 8:02 PM CDT	Mesoscale Discussion	SPC	118 min
Aug 6, 7:24 PM CDT	Mesoscale Discussion	SPC	96 min
Aug 8, 3:56 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
Aug 8, 6:17 PM CDT	Mesoscale Discussion	SPC	58 min
Aug 9, 3:32 PM CDT	Mesoscale Discussion	SPC	2 hr
Aug 9, 3:59 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Aug 9, 6:58 PM CDT	Mesoscale Discussion	SPC	92 min
Aug 10, 1:45 AM CDT	Mesoscale Discussion	SPC	60 min
Aug 10, 10:45 AM CDT	Mesoscale Discussion	SPC	90 min
Aug 10, 10:32 PM CDT	Severe Thunderstorm Warning	FSD	28 min
Aug 10, 10:46 PM CDT	Severe Thunderstorm Warning	FSD	44 min
Aug 13, 4:29 PM CDT	Severe Thunderstorm Warning	FSD	46 min
Aug 13, 5:07 PM CDT	Severe Thunderstorm Watch	SPC	4 hr
Aug 13, 5:15 PM CDT	Severe Thunderstorm Warning	FSD	45 min
Aug 13, 5:58 PM CDT	Severe Thunderstorm Warning	FSD	32 min
Aug 18, 6:17 PM CDT	Tornado Watch	SPC	6 hr
Aug 18, 11:10 PM CDT	Mesoscale Discussion	SPC	110 min
Aug 20, 5:48 AM CDT	Severe Thunderstorm Warning	FSD	27 min
Aug 20, 6:08 AM CDT	Severe Thunderstorm Warning	FSD	26 min
Aug 21, 2:47 PM CDT	Mesoscale Discussion	SPC	118 min
Aug 21, 3:45 PM CDT	Tornado Watch	SPC	6 hr
Aug 22, 6:45 AM CDT	Mesoscale Discussion	SPC	60 min
Sep 20, 8:40 PM CDT	Mesoscale Discussion	SPC	95 min
Sep 21, 3:24 AM CDT	Wind Advisory	FSD	11 hr
Sep 23, 3:21 AM CDT	Wind Advisory	FSD	16 hr
Sep 28, 3:42 AM CDT	Wind Advisory	FSD	15 hr
Sep 29, 4:10 AM CDT	Wind Advisory	FSD	15 hr
Sep 29, 9:28 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Sep 29, 10:11 PM CDT	Severe Thunderstorm Warning	FSD	34 min
Sep 30, 1:37 AM CDT	Mesoscale Discussion	SPC	53 min
Oct 5, 9:51 PM CDT	Mesoscale Discussion	SPC	84 min
Oct 6, 5:02 PM CDT	Mesoscale Discussion	SPC	88 min
Oct 10, 2:57 PM CDT	Frost Advisory	FSD	17 hr
Oct 18, 12:59 PM CDT	Wind Advisory	FSD	18 hr
Nov 4, 3:57 AM CST	Wind Advisory	FSD	37 hr
Nov 13, 2:25 PM CST	Wind Advisory	FSD	3 hr
Nov 13, 2:25 PM CST	Wind Advisory	FSD	28 hr
Nov 27, 3:00 PM CST	Wind Advisory	FSD	27 hr
Nov 29, 3:47 PM CST	Winter Storm Watch	FSD	24 hr
Nov 30, 3:54 PM CST	Snow Advisory	FSD	23 hr
Dec 1, 12:29 AM CST	Mesoscale Discussion	SPC	4 hr
Dec 5, 3:29 PM CST	Winter Weather Advisory	FSD	15 hr
Dec 7, 4:02 AM CST	Winter Storm Watch	FSD	11 hr
Dec 7, 3:23 PM CST	Snow Advisory	FSD	37 hr
Dec 21, 2:51 PM CST	Wind Advisory	FSD	15 hr
Dec 25, 11:31 AM CST	Snow Advisory	FSD	17 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	22
Tornado Warning	2
Severe Thunderstorm Watch	11
Tornado Watch	10
Mesoscale Discussion	44
Flooding
Flash Flood Warning	2
Flash Flood Watch	2
Flood Watch	2
Winter
Blizzard Warning	1
Winter Storm Warning	1
Blizzard Watch	1
Winter Storm Watch	3
Snow Advisory	7
Snow and Blowing Snow Advisory	2
Winter Weather Advisory	1
Heat
Heat Advisory	3
Cold
Frost Advisory	1
Wind Chill Advisory	4
Wind and dust
High Wind Warning	1
High Wind Watch	1
Wind Advisory	22

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2006 2008

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.