Weather alerts in Harrison County, Iowa, 2011

151 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Harrison County and its neighbors

Each county as a circle sized by its count in 2011. Tap one for its archive.

Alerts: 151
Warnings: 43
Watches: 30
Advisories: 40
Busiest month: June39 alerts
Busiest day: June 20, 201111 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 7, 4:47 AM CST	Wind Advisory	OAX	11 hr
Jan 8, 2:26 PM CST	Winter Weather Advisory	OAX	69 hr
Jan 11, 3:46 PM CST	Wind Chill Advisory	OAX	18 hr
Jan 18, 11:47 AM CST	Winter Storm Watch	OAX	319 days
Jan 21, 3:24 PM CST	Winter Storm Watch	OAX	13 hr
Jan 22, 4:26 AM CST	Winter Weather Advisory	OAX	29 hr
Jan 30, 4:00 AM CST	Winter Storm Watch	OAX	13 hr
Jan 30, 4:55 PM CST	Winter Storm Warning	OAX	58 hr
Feb 1, 4:05 AM CST	Wind Chill Advisory	OAX	31 hr
Feb 2, 3:24 PM CST	Wind Chill Advisory	OAX	17 hr
Feb 7, 3:24 PM CST	Wind Chill Advisory	OAX	21 hr
Feb 8, 3:24 PM CST	Wind Chill Advisory	OAX	17 hr
Feb 16, 6:17 PM CST	Dense Fog Advisory	OAX	11 hr
Mar 7, 3:47 PM CST	Winter Weather Advisory	OAX	30 hr
Mar 22, 1:19 PM CDT	Mesoscale Discussion	SPC	116 min
Mar 22, 2:03 PM CDT	Tornado Watch	SPC	7 hr
Mar 22, 4:48 PM CDT	Severe Thunderstorm Warning	OAX	42 min
Mar 22, 4:53 PM CDT	Tornado Warning	OAX	37 min
Mar 22, 5:03 PM CDT	Tornado Warning	OAX	27 min
Mar 22, 5:31 PM CDT	Tornado Warning	OAX	29 min
Mar 22, 5:33 PM CDT	Mesoscale Discussion	SPC	57 min
Apr 3, 11:08 AM CDT	Wind Advisory	OAX	28 hr
Apr 9, 5:00 PM CDT	Mesoscale Discussion	SPC	60 min
Apr 9, 5:48 PM CDT	Tornado Watch	SPC	7 hr
Apr 9, 9:06 PM CDT	Mesoscale Discussion	SPC	54 min
Apr 10, 3:52 AM CDT	Wind Advisory	OAX	11 hr
Apr 13, 10:07 PM CDT	Wind Advisory	OAX	27 hr
Apr 28, 3:57 PM CDT	Wind Advisory	OAX	28 hr
May 1, 11:58 AM CDT	Red Flag Warning	OAX	4 hr
May 2, 3:58 PM CDT	Frost Advisory	OAX	16 hr
May 4, 11:47 AM CDT	Wind Advisory	OAX	6 hr
May 11, 2:31 PM CDT	Mesoscale Discussion	SPC	59 min
May 11, 2:53 PM CDT	Tornado Watch	SPC	6 hr
May 12, 2:37 PM CDT	Tornado Watch	SPC	7 hr
May 12, 5:35 PM CDT	Mesoscale Discussion	SPC	85 min
May 12, 9:16 PM CDT	Mesoscale Discussion	SPC	59 min
May 21, 12:51 PM CDT	Mesoscale Discussion	SPC	114 min
May 21, 2:25 PM CDT	Severe Thunderstorm Watch	SPC	10 hr
May 21, 6:07 PM CDT	Mesoscale Discussion	SPC	53 min
May 21, 7:46 PM CDT	Severe Thunderstorm Warning	OAX	44 min
May 21, 8:16 PM CDT	Severe Thunderstorm Warning	OAX	44 min
May 21, 8:32 PM CDT	Severe Thunderstorm Warning	OAX	43 min
May 21, 8:55 PM CDT	Mesoscale Discussion	SPC	65 min
May 24, 1:10 PM CDT	Flash Flood Watch	OAX	16 hr
May 25, 11:31 AM CDT	Areal Flood Advisory	OAX	6 hr
May 25, 5:47 PM CDT	River Flood Advisory	OAX	3 days
May 28, 8:21 PM CDT	River Flood Warning	OAX	109 days
May 29, 3:28 PM CDT	Wind Advisory	OAX	34 hr
May 29, 7:16 PM CDT	Tornado Watch	SPC	4 hr
May 29, 9:24 PM CDT	Mesoscale Discussion	SPC	96 min
May 30, 8:37 PM CDT	Severe Thunderstorm Watch PDS	SPC	5 hr
May 30, 10:38 PM CDT	Mesoscale Discussion	SPC	2 hr
May 30, 11:19 PM CDT	Severe Thunderstorm Warning	OAX	41 min
Jun 1, 9:52 PM CDT	Severe Thunderstorm Warning	OAX	38 min
Jun 9, 1:44 AM CDT	Mesoscale Discussion	SPC	2 hr
Jun 9, 9:39 AM CDT	Severe Thunderstorm Warning	OAX	28 min
Jun 9, 9:50 AM CDT	Mesoscale Discussion	SPC	55 min
Jun 9, 9:36 PM CDT	Severe Thunderstorm Warning	OAX	39 min
Jun 9, 9:48 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 9, 11:45 PM CDT	Mesoscale Discussion	SPC	90 min
Jun 10, 1:39 AM CDT	Mesoscale Discussion	SPC	2 hr
Jun 16, 11:03 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
Jun 17, 6:44 PM CDT	Mesoscale Discussion	SPC	91 min
Jun 17, 7:09 PM CDT	Severe Thunderstorm Watch	SPC	3 hr
Jun 17, 8:15 PM CDT	Severe Thunderstorm Warning	OAX	45 min
Jun 19, 9:16 PM CDT	Mesoscale Discussion	SPC	59 min
Jun 19, 9:49 PM CDT	Tornado Watch	SPC	6 hr
Jun 20, 1:52 AM CDT	Severe Thunderstorm Warning	OAX	38 min
Jun 20, 2:59 AM CDT	Severe Thunderstorm Warning	OAX	46 min
Jun 20, 3:27 AM CDT	Severe Thunderstorm Warning	OAX	48 min
Jun 20, 3:27 AM CDT	Mesoscale Discussion	SPC	33 min
Jun 20, 3:46 AM CDT	Severe Thunderstorm Watch	SPC	5 hr
Jun 20, 3:08 PM CDT	Tornado Watch	SPC	7 hr
Jun 20, 3:31 PM CDT	Flash Flood Watch	OAX	7 hr
Jun 20, 6:17 PM CDT	Mesoscale Discussion	SPC	58 min
Jun 20, 6:53 PM CDT	Tornado Watch	SPC	6 hr
Jun 20, 7:39 PM CDT	Severe Thunderstorm Warning	OAX	51 min
Jun 20, 7:46 PM CDT	Mesoscale Discussion	SPC	59 min
Jun 20, 8:16 PM CDT	Severe Thunderstorm Warning	OAX	44 min
Jun 20, 8:37 PM CDT	Severe Thunderstorm Warning	OAX	38 min
Jun 20, 8:56 PM CDT	Severe Thunderstorm Warning	OAX	49 min
Jun 20, 9:02 PM CDT	Mesoscale Discussion	SPC	58 min
Jun 20, 9:23 PM CDT	Areal Flood Advisory	OAX	6 hr
Jun 26, 6:16 AM CDT	Mesoscale Discussion	SPC	59 min
Jun 26, 3:31 PM CDT	Flash Flood Watch	OAX	12 hr
Jun 26, 4:56 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 26, 7:33 PM CDT	Severe Thunderstorm Warning	OAX	42 min
Jun 26, 7:54 PM CDT	Tornado Warning	OAX	23 min
Jun 26, 8:07 PM CDT	Severe Thunderstorm Warning	OAX	38 min
Jun 26, 8:45 PM CDT	Areal Flood Advisory	OAX	3 hr
Jun 26, 9:08 PM CDT	Areal Flood Advisory	OAX	2 hr
Jun 29, 3:05 PM CDT	Heat Advisory	OAX	28 hr
Jul 10, 10:27 PM CDT	Mesoscale Discussion	SPC	63 min
Jul 10, 10:57 PM CDT	Severe Thunderstorm Watch	SPC	4 hr
Jul 12, 2:09 AM CDT	Mesoscale Discussion	SPC	66 min
Jul 14, 3:09 AM CDT	Excessive Heat Watch	OAX	36 hr
Jul 14, 2:30 PM CDT	Excessive Heat Warning	OAX	6 days
Jul 15, 2:21 PM CDT	Mesoscale Discussion	SPC	114 min
Jul 22, 3:00 PM CDT	Mesoscale Discussion	SPC	90 min
Jul 22, 3:31 PM CDT	Heat Advisory	OAX	28 hr
Jul 28, 3:59 AM CDT	Severe Thunderstorm Warning	OAX	46 min
Jul 28, 4:23 AM CDT	Severe Thunderstorm Warning	OAX	52 min
Jul 28, 5:12 AM CDT	Severe Thunderstorm Warning	OAX	33 min
Jul 28, 2:47 PM CDT	Mesoscale Discussion	SPC	118 min
Jul 30, 3:26 PM CDT	Heat Advisory	OAX	60 hr
Aug 2, 3:40 AM CDT	Excessive Heat Warning	OAX	15 hr
Aug 6, 3:51 AM CDT	Dense Fog Advisory	OAX	5 hr
Aug 6, 2:58 PM CDT	Mesoscale Discussion	SPC	3 hr
Aug 6, 5:32 PM CDT	Severe Thunderstorm Watch	SPC	9 hr
Aug 6, 7:18 PM CDT	Severe Thunderstorm Warning	OAX	42 min
Aug 6, 8:10 PM CDT	Mesoscale Discussion	SPC	2 hr
Aug 7, 10:28 PM CDT	Mesoscale Discussion	SPC	2 hr
Aug 7, 11:34 PM CDT	Severe Thunderstorm Watch	SPC	4 hr
Aug 18, 12:31 PM CDT	Mesoscale Discussion	SPC	89 min
Aug 18, 1:27 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
Aug 18, 2:51 PM CDT	Mesoscale Discussion	SPC	84 min
Aug 18, 3:34 PM CDT	Severe Thunderstorm Warning	OAX	41 min
Aug 18, 4:17 PM CDT	Severe Thunderstorm Warning	OAX	43 min
Aug 18, 4:56 PM CDT	Severe Thunderstorm Warning	OAX	49 min
Aug 18, 5:41 PM CDT	Flash Flood Warning	OAX	5 hr
Aug 18, 6:15 PM CDT	Areal Flood Advisory	OAX	6 hr
Aug 18, 6:18 PM CDT	Mesoscale Discussion	SPC	27 min
Aug 18, 6:42 PM CDT	Severe Thunderstorm Warning	OAX	48 min
Aug 18, 7:15 PM CDT	Severe Thunderstorm Warning	OAX	45 min
Aug 22, 1:42 AM CDT	Mesoscale Discussion	SPC	3 hr
Aug 28, 8:00 AM CDT	Severe Thunderstorm Watch	SPC	5 hr
Aug 28, 10:41 AM CDT	Mesoscale Discussion	SPC	94 min
Aug 28, 11:28 AM CDT	Severe Thunderstorm Warning	OAX	47 min
Aug 31, 5:54 AM CDT	Dense Fog Advisory	OAX	3 hr
Sep 2, 2:41 PM CDT	Mesoscale Discussion	SPC	94 min
Sep 2, 9:01 PM CDT	Severe Thunderstorm Warning	OAX	44 min
Sep 2, 9:43 PM CDT	Severe Thunderstorm Warning	OAX	41 min
Sep 14, 4:12 AM CDT	Frost Advisory	OAX	28 hr
Sep 14, 10:33 AM CDT	River Flood Advisory	OAX	9 days
Sep 18, 10:51 PM CDT	Dense Fog Advisory	OAX	10 hr
Sep 22, 3:40 PM CDT	Frost Advisory	OAX	16 hr
Sep 30, 7:45 PM CDT	Frost Advisory	OAX	12 hr
Oct 3, 3:32 PM CDT	Fire Weather Watch	OAX	12 hr
Oct 4, 3:45 AM CDT	Fire Weather Watch	OAX	24 hr
Oct 4, 3:45 AM CDT	Red Flag Warning	OAX	15 hr
Oct 5, 3:35 AM CDT	Red Flag Warning	OAX	15 hr
Oct 7, 11:07 AM CDT	Wind Advisory	OAX	6 hr
Oct 18, 4:04 AM CDT	Freeze Watch	OAX	11 hr
Oct 18, 3:07 PM CDT	Freeze Warning	OAX	18 hr
Nov 4, 3:56 PM CDT	Wind Advisory	OAX	27 hr
Nov 19, 6:38 AM CST	Winter Weather Advisory	OAX	8 hr
Nov 23, 3:27 AM CST	Dense Fog Advisory	OAX	6 hr
Nov 25, 3:34 PM CST	Wind Advisory	OAX	26 hr
Dec 3, 3:41 AM CST	Winter Weather Advisory	OAX	19 hr
Dec 3, 10:37 AM CST	Mesoscale Discussion	SPC	5 hr
Dec 30, 3:54 PM CST	Wind Advisory	OAX	35 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	30
Tornado Warning	4
Severe Thunderstorm Watch	12
Tornado Watch	8
Mesoscale Discussion	38
Flooding
Flash Flood Warning	1
River Flood Warning	1
Flash Flood Watch	3
Areal Flood Advisory	5
River Flood Advisory	2
Winter
Winter Storm Warning	1
Winter Storm Watch	3
Winter Weather Advisory	5
Heat
Excessive Heat Warning	2
Excessive Heat Watch	1
Heat Advisory	3
Cold
Freeze Warning	1
Freeze Watch	1
Frost Advisory	4
Wind Chill Advisory	5
Wind and dust
Wind Advisory	11
Fire
Red Flag Warning	3
Fire Weather Watch	2
Fog and smoke
Dense Fog Advisory	5

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2010 2012

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.