Weather alerts in Delaware County, Iowa, 2017

119 weather alerts in 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Delaware County and its neighbors

Each county as a circle sized by its count in 2017. Tap one for its archive.

Alerts: 119
Warnings: 28
Watches: 14
Advisories: 32
Busiest month: June26 alerts
Busiest day: May 17, 20179 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 10, 9:41 AM CST	Wind Advisory	DVN	11 hr
Jan 12, 3:33 PM CST	Winter Storm Watch	DVN	48 hr
Jan 14, 3:47 PM CST	Winter Weather Advisory	DVN	47 hr
Jan 16, 4:30 PM CST	Dense Fog Advisory	DVN	14 hr
Jan 19, 1:46 AM CST	Dense Fog Advisory	DVN	10 hr
Jan 19, 3:26 PM CST	Dense Fog Advisory	DVN	21 hr
Jan 20, 3:14 PM CST	Dense Fog Advisory	DVN	21 hr
Jan 21, 3:50 PM CST	Dense Fog Advisory	DVN	19 hr
Jan 24, 3:44 PM CST	Winter Weather Advisory	DVN	32 hr
Feb 6, 9:10 PM CST	Dense Fog Advisory	DVN	15 hr
Feb 22, 12:26 AM CST	Dense Fog Advisory	DVN	10 hr
Feb 23, 3:04 PM CST	Winter Weather Advisory	DVN	32 hr
Mar 6, 1:54 PM CST	Tornado Watch	SPC	8 hr
Mar 6, 6:11 PM CST	Mesoscale Discussion	SPC	2 hr
Mar 6, 7:42 PM CST	Mesoscale Discussion	SPC	63 min
Mar 6, 8:29 PM CST	Severe Thunderstorm Warning	DVN	61 min
Mar 6, 8:40 PM CST	Tornado Warning	DVN	38 min
Mar 7, 3:32 AM CST	Red Flag Warning	DVN	14 hr
Mar 7, 3:37 AM CST	Wind Advisory	DVN	12 hr
Mar 8, 3:18 AM CST	Wind Advisory	DVN	14 hr
Mar 8, 10:21 AM CST	Red Flag Warning	DVN	8 hr
Mar 11, 3:36 PM CST	Winter Storm Watch	DVN	12 hr
Mar 12, 4:27 AM CDT	Winter Weather Advisory	DVN	33 hr
Apr 15, 5:06 PM CDT	Mesoscale Discussion	SPC	84 min
Apr 15, 7:56 PM CDT	Tornado Warning	DVN	49 min
Apr 19, 8:57 PM CDT	Severe Thunderstorm Watch	SPC	4 hr
Apr 19, 10:06 PM CDT	Mesoscale Discussion	SPC	54 min
Apr 19, 11:26 PM CDT	Special Weather Statement	DVN	64 min
Apr 27, 3:22 AM CDT	Frost Advisory	DVN	29 hr
May 2, 3:16 AM CDT	Frost Advisory	DVN	28 hr
May 15, 5:11 PM CDT	Severe Thunderstorm Watch	SPC	9 hr
May 15, 7:19 PM CDT	Mesoscale Discussion	SPC	56 min
May 17, 1:23 AM CDT	Special Weather Statement	DVN	37 min
May 17, 2:38 PM CDT	Mesoscale Discussion	SPC	97 min
May 17, 3:24 PM CDT	Mesoscale Discussion	SPC	66 min
May 17, 3:36 PM CDT	Severe Thunderstorm Warning	DVN	54 min
May 17, 3:44 PM CDT	Tornado Watch	SPC	9 hr
May 17, 5:50 PM CDT	Severe Thunderstorm Warning	DVN	55 min
May 17, 6:05 PM CDT	Mesoscale Discussion	SPC	55 min
May 17, 6:31 PM CDT	Severe Thunderstorm Warning	DVN	59 min
May 17, 6:32 PM CDT	Tornado Warning Tornado observed	DVN	43 min
May 22, 4:32 PM CDT	Special Weather Statement	DVN	28 min
May 22, 6:39 PM CDT	Special Weather Statement	DVN	36 min
May 23, 2:30 PM CDT	Special Weather Statement	DVN	3 hr
May 23, 2:34 PM CDT	Special Weather Statement	DVN	3 hr
May 27, 1:53 AM CDT	Dense Fog Advisory	DVN	8 hr
Jun 13, 10:42 AM CDT	Heat Advisory	DVN	9 hr
Jun 14, 5:46 AM CDT	Special Weather Statement	DVN	89 min
Jun 14, 12:06 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 15, 6:39 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 15, 7:51 PM CDT	Severe Thunderstorm Warning	DVN	54 min
Jun 15, 8:11 PM CDT	Severe Thunderstorm Warning	DVN	49 min
Jun 15, 8:45 PM CDT	Severe Thunderstorm Warning	DVN	45 min
Jun 15, 9:33 PM CDT	Mesoscale Discussion	SPC	57 min
Jun 16, 6:56 PM CDT	Mesoscale Discussion	SPC	64 min
Jun 16, 10:25 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
Jun 16, 10:38 PM CDT	Special Weather Statement	DVN	52 min
Jun 16, 10:53 PM CDT	Special Weather Statement	DVN	37 min
Jun 22, 3:57 AM CDT	Special Weather Statement	DVN	63 min
Jun 22, 5:00 AM CDT	Special Weather Statement	DVN	60 min
Jun 22, 6:04 AM CDT	Special Weather Statement	DVN	56 min
Jun 22, 6:57 AM CDT	Special Weather Statement	DVN	2 hr
Jun 22, 9:55 PM CDT	Severe Thunderstorm Warning	DVN	27 min
Jun 28, 2:53 PM CDT	Tornado Watch	SPC	9 hr
Jun 28, 5:29 PM CDT	Mesoscale Discussion	SPC	91 min
Jun 28, 6:24 PM CDT	Severe Thunderstorm Warning	DVN	66 min
Jun 28, 6:34 PM CDT	Severe Thunderstorm Warning	DVN	25 min
Jun 28, 6:36 PM CDT	Tornado Warning	DVN	39 min
Jun 28, 6:56 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	DVN	49 min
Jun 29, 3:48 PM CDT	Mesoscale Discussion	SPC	117 min
Jun 29, 9:53 PM CDT	Severe Thunderstorm Warning	DVN	37 min
Jun 29, 10:30 PM CDT	Severe Thunderstorm Warning	DVN	45 min
Jul 5, 7:46 PM CDT	Special Weather Statement	DVN	29 min
Jul 10, 1:49 AM CDT	Mesoscale Discussion	SPC	116 min
Jul 10, 2:07 AM CDT	Special Weather Statement	DVN	53 min
Jul 11, 10:17 PM CDT	Severe Thunderstorm Warning	DVN	58 min
Jul 12, 4:05 AM CDT	Heat Advisory	DVN	16 hr
Jul 19, 5:11 PM CDT	Mesoscale Discussion	SPC	34 min
Jul 19, 5:45 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jul 19, 5:59 PM CDT	Severe Thunderstorm Warning	DVN	61 min
Jul 19, 7:03 PM CDT	Severe Thunderstorm Warning	DVN	57 min
Jul 19, 8:19 PM CDT	Mesoscale Discussion	SPC	86 min
Jul 20, 1:16 AM CDT	Mesoscale Discussion	SPC	119 min
Jul 20, 3:55 PM CDT	Flash Flood Watch	DVN	41 hr
Jul 21, 1:32 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 21, 2:56 PM CDT	River Flood Watch	DVN	67 hr
Jul 21, 4:52 PM CDT	Severe Thunderstorm Watch	SPC	9 hr
Jul 21, 6:28 PM CDT	Mesoscale Discussion	SPC	92 min
Jul 21, 7:38 PM CDT	Special Weather Statement	DVN	67 min
Jul 21, 8:35 PM CDT	Mesoscale Discussion	SPC	115 min
Jul 21, 11:10 PM CDT	Severe Thunderstorm Warning	DVN	65 min
Jul 21, 11:23 PM CDT	Mesoscale Discussion	SPC	67 min
Jul 22, 12:09 AM CDT	Flash Flood Warning	DVN	6 hr
Jul 22, 6:05 AM CDT	Areal Flood Warning	DVN	18 hr
Jul 22, 11:29 AM CDT	River Flood Warning	DVN	69 hr
Aug 3, 9:22 AM CDT	Special Weather Statement	DVN	53 min
Aug 3, 2:16 PM CDT	Special Weather Statement	DVN	59 min
Aug 16, 2:35 PM CDT	Mesoscale Discussion	SPC	2 hr
Aug 21, 8:30 AM CDT	Special Weather Statement	DVN	60 min
Aug 29, 2:41 AM CDT	Dense Fog Advisory	DVN	8 hr
Aug 30, 4:52 AM CDT	Dense Fog Advisory	DVN	4 hr
Sep 20, 3:17 PM CDT	Mesoscale Discussion	SPC	118 min
Sep 22, 10:16 AM CDT	Heat Advisory	DVN	9 hr
Oct 6, 7:13 PM CDT	Special Weather Statement	DVN	62 min
Oct 6, 8:15 PM CDT	Special Weather Statement	DVN	60 min
Oct 14, 3:30 AM CDT	Flash Flood Watch	DVN	19 hr
Oct 23, 11:44 AM CDT	Wind Advisory	DVN	27 hr
Oct 27, 3:39 AM CDT	Freeze Warning	DVN	28 hr
Oct 27, 3:39 AM CDT	Freeze Warning	DVN	53 hr
Nov 2, 1:31 AM CDT	Dense Fog Advisory	DVN	9 hr
Nov 4, 11:19 PM CDT	Dense Fog Advisory	DVN	8 hr
Nov 12, 9:39 PM CST	Dense Fog Advisory	DVN	14 hr
Dec 4, 9:58 PM CST	Wind Advisory	DVN	20 hr
Dec 13, 3:26 AM CST	Wind Advisory	DVN	17 hr
Dec 24, 10:16 AM CST	Special Weather Statement	DVN	3 hr
Dec 25, 3:19 AM CST	Wind Chill Advisory	DVN	31 hr
Dec 26, 1:25 PM CST	Wind Chill Advisory	DVN	22 hr
Dec 28, 3:15 PM CST	Winter Weather Advisory	DVN	29 hr
Dec 29, 3:11 PM CST	Wind Chill Advisory	DVN	54 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	16
Tornado Warning	5
Severe Thunderstorm Watch	6
Tornado Watch	3
Mesoscale Discussion	23
Special Weather Statement	22
Flooding
Areal Flood Warning	1
Flash Flood Warning	1
River Flood Warning	1
Flash Flood Watch	2
River Flood Watch	1
Winter
Winter Storm Watch	2
Winter Weather Advisory	5
Heat
Heat Advisory	3
Cold
Freeze Warning	2
Frost Advisory	2
Wind Chill Advisory	3
Wind and dust
Wind Advisory	6
Fire
Red Flag Warning	2
Fog and smoke
Dense Fog Advisory	13

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2016 2018

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. Rebuilt daily.