Alert archive / Montana / McCone County
Weather alerts in McCone County, Montana, 2010
262 weather alerts in 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
McCone County and its neighbors
Each county as a circle sized by its count in 2010. Tap one for its archive.
- Alerts
- 262
- Warnings
- 83
- Watches
- 36
- Advisories
- 104
- Busiest month
- July54 alerts
- Busiest day
- May 28, 201014 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 7 tornado warnings covering McCone County in 2010 had a tornado report inside them; 1 of 2 tornado reports fell inside a warning, on average 8 minutes after it went out.
McCone County, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 7 | 1 | 86% | 2 | 50% | 8 min |
| Severe thunderstorm warnings | 55 | 30 | 45% | 22 | 91% | 28 min |
| Flash flood warnings | 0 | 1 | 0% |
Each office's whole area, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Glasgow, MT: tornado warnings | 25 | 5 | 80% | 23 | 43% | 14 min |
| NWS Glasgow, MT: severe thunderstorm warnings | 181 | 104 | 43% | 216 | 74% | 26 min |
| NWS Glasgow, MT: flash flood warnings | 2 | 0 | 100% | 5 | 0% |
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 3, 2:57 PM MST | Winter Storm Watch | GGW | 23 hr |
| Jan 4, 3:33 AM MST | Winter Storm Warning | GGW | 59 hr |
| Jan 6, 3:50 AM MST | Wind Chill Advisory | GGW | 30 hr |
| Jan 7, 2:39 PM MST | Wind Chill Advisory | GGW | 4 hr |
| Jan 7, 6:56 PM MST | Wind Chill Warning | GGW | 16 hr |
| Jan 11, 2:37 AM MST | Dense Fog Advisory | GGW | 7 hr |
| Jan 13, 8:42 PM MST | Dense Fog Advisory | GGW | 14 hr |
| Jan 17, 4:59 AM MST | Dense Fog Advisory | GGW | 7 hr |
| Jan 20, 3:36 AM MST | Dense Fog Advisory | GGW | 7 hr |
| Jan 20, 1:54 PM MST | Winter Storm Watch | GGW | 31 hr |
| Jan 20, 7:56 PM MST | Dense Fog Advisory | GGW | 24 hr |
| Jan 21, 8:54 PM MST | Winter Storm Warning | GGW | 60 hr |
| Jan 24, 8:27 AM MST | Blizzard Warning | GGW | 30 hr |
| Jan 26, 2:54 PM MST | Wind Chill Advisory | GGW | 21 hr |
| Feb 4, 3:51 AM MST | Winter Weather Advisory | GGW | 31 hr |
| Feb 6, 2:27 PM MST | Wind Chill Advisory | GGW | 45 hr |
| Feb 9, 6:38 PM MST | Wind Chill Advisory | GGW | 9 hr |
| Feb 11, 5:16 PM MST | Dense Fog Advisory | GGW | 16 hr |
| Feb 12, 3:26 AM MST | Winter Weather Advisory | GGW | 35 hr |
| Feb 13, 2:30 PM MST | Wind Chill Advisory | GGW | 18 hr |
| Feb 15, 3:32 AM MST | Dense Fog Advisory | GGW | 7 hr |
| Feb 16, 2:44 PM MST | Winter Weather Advisory | GGW | 31 hr |
| Feb 21, 7:50 PM MST | Dense Fog Advisory | GGW | 14 hr |
| Feb 27, 1:40 AM MST | Dense Fog Advisory | GGW | 7 hr |
| Feb 27, 9:11 AM MST | Dense Fog Advisory | GGW | 2 hr |
| Mar 1, 4:57 AM MST | Dense Fog Advisory | GGW | 5 hr |
| Mar 1, 2:34 PM MST | Dense Fog Advisory | GGW | 22 hr |
| Mar 2, 2:33 PM MST | Dense Fog Advisory | GGW | 20 hr |
| Mar 3, 9:36 PM MST | Dense Fog Advisory | GGW | 13 hr |
| Mar 4, 5:48 PM MST | Dense Fog Advisory | GGW | 17 hr |
| Mar 5, 11:50 PM MST | Dense Fog Advisory | GGW | 14 hr |
| Mar 6, 6:01 PM MST | Dense Fog Advisory | GGW | 58 hr |
| Mar 8, 9:32 AM MST | Freezing Rain Advisory | GGW | 4 hr |
| Mar 29, 9:44 AM MDT | Red Flag Warning | GGW | 10 hr |
| Apr 7, 2:07 PM MDT | Red Flag Warning | GGW | 55 hr |
| Apr 8, 2:39 PM MDT | High Wind Warning | GGW | 13 hr |
| Apr 10, 3:37 AM MDT | Red Flag Warning | GGW | 16 hr |
| Apr 14, 2:59 AM MDT | Lake Wind Advisory | GGW | 39 hr |
| Apr 16, 9:21 PM MDT | Fire Weather Watch | GGW | 6 hr |
| Apr 17, 3:38 AM MDT | Red Flag Warning | GGW | 15 hr |
| Apr 17, 3:49 AM MDT | Lake Wind Advisory | GGW | 14 hr |
| Apr 20, 3:37 AM MDT | Lake Wind Advisory | GGW | 17 hr |
| Apr 21, 3:38 AM MDT | Lake Wind Advisory | GGW | 17 hr |
| Apr 22, 2:24 PM MDT | Lake Wind Advisory | GGW | 30 hr |
| Apr 24, 2:26 PM MDT | Lake Wind Advisory | GGW | 31 hr |
| Apr 26, 2:53 PM MDT | Lake Wind Advisory | GGW | 4 days |
| Apr 27, 9:43 PM MDT | Fire Weather Watch | GGW | 6 hr |
| Apr 27, 9:43 PM MDT | Red Flag Warning | GGW | 19 hr |
| Apr 30, 9:37 AM MDT | High Wind Warning | GGW | 11 hr |
| Apr 30, 9:19 PM MDT | Lake Wind Advisory | GGW | 23 hr |
| May 1, 9:53 AM MDT | Winter Weather Advisory | GGW | 18 hr |
| May 1, 3:39 PM MDT | High Wind Watch | GGW | 26 hr |
| May 2, 1:05 PM MDT | Lake Wind Advisory | GGW | 5 hr |
| May 2, 5:45 PM MDT | High Wind Warning | GGW | 51 hr |
| May 4, 9:18 PM MDT | Lake Wind Advisory | GGW | 6 hr |
| May 6, 4:22 AM MDT | Winter Storm Warning | GGW | 10 hr |
| May 6, 9:24 AM MDT | Winter Weather Advisory | GGW | 5 hr |
| May 17, 3:29 AM MDT | Lake Wind Advisory | GGW | 16 hr |
| May 18, 3:56 AM MDT | Lake Wind Advisory | GGW | 24 hr |
| May 20, 3:37 AM MDT | Lake Wind Advisory | GGW | 17 hr |
| May 20, 1:21 PM MDT | Mesoscale Discussion | SPC | 54 min |
| May 22, 2:29 PM MDT | Lake Wind Advisory | GGW | 27 hr |
| May 24, 3:47 AM MDT | Lake Wind Advisory | GGW | 39 hr |
| May 24, 2:10 PM MDT | Flood Watch | GGW | 22 hr |
| May 24, 3:06 PM MDT | High Wind Warning | GGW | 21 hr |
| May 26, 4:05 AM MDT | Lake Wind Advisory | GGW | 48 hr |
| May 26, 2:37 PM MDT | Flash Flood Watch | GGW | 20 hr |
| May 27, 10:51 AM MDT | Flash Flood Watch | GGW | 23 hr |
| May 27, 2:54 PM MDT | Mesoscale Discussion | SPC | 96 min |
| May 27, 4:39 PM MDT | Tornado Watch | SPC | 8 hr |
| May 27, 6:57 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 27, 8:34 PM MDT | Severe Thunderstorm Warning | GGW | 26 min |
| May 27, 8:58 PM MDT | Severe Thunderstorm Warning | GGW | 47 min |
| May 27, 9:01 PM MDT | Tornado Warning | GGW | 59 min |
| May 27, 9:25 PM MDT | Tornado Warning | GGW | 50 min |
| May 27, 9:29 PM MDT | Severe Thunderstorm Warning | GGW | 61 min |
| May 27, 10:09 PM MDT | Mesoscale Discussion | SPC | 66 min |
| May 27, 10:55 PM MDT | Severe Thunderstorm Warning | GGW | 64 min |
| May 27, 11:42 PM MDT | Severe Thunderstorm Warning | GGW | 63 min |
| May 28, 12:24 AM MDT | Mesoscale Discussion | SPC | 66 min |
| May 28, 12:40 AM MDT | Severe Thunderstorm Warning | GGW | 65 min |
| May 28, 1:05 AM MDT | Severe Thunderstorm Warning | GGW | 55 min |
| May 28, 1:18 AM MDT | Severe Thunderstorm Warning | GGW | 57 min |
| May 28, 10:04 AM MDT | Flash Flood Watch | GGW | 18 hr |
| May 28, 7:36 PM MDT | Mesoscale Discussion | SPC | 84 min |
| May 28, 9:44 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 28, 11:28 PM MDT | Severe Thunderstorm Warning | GGW | 62 min |
| May 29, 1:05 AM MDT | Mesoscale Discussion | SPC | 85 min |
| May 29, 3:52 AM MDT | Lake Wind Advisory | GGW | 17 hr |
| May 30, 3:41 AM MDT | Lake Wind Advisory | GGW | 15 hr |
| Jun 2, 2:13 PM MDT | Lake Wind Advisory | GGW | 31 hr |
| Jun 4, 2:36 PM MDT | Lake Wind Advisory | GGW | 30 hr |
| Jun 7, 2:14 PM MDT | Lake Wind Advisory | GGW | 31 hr |
| Jun 8, 9:49 PM MDT | Lake Wind Advisory | GGW | 24 hr |
| Jun 15, 2:45 PM MDT | High Wind Watch | GGW | 37 hr |
| Jun 15, 2:48 PM MDT | Flash Flood Watch | GGW | 48 hr |
| Jun 16, 2:31 PM MDT | Mesoscale Discussion | SPC | 89 min |
| Jun 16, 5:34 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Jun 16, 6:20 PM MDT | Tornado Watch | SPC | 8 hr |
| Jun 16, 7:33 PM MDT | Severe Thunderstorm Warning | GGW | 57 min |
| Jun 16, 7:40 PM MDT | Severe Thunderstorm Warning | GGW | 65 min |
| Jun 16, 8:03 PM MDT | Severe Thunderstorm Warning | GGW | 42 min |
| Jun 16, 8:58 PM MDT | Severe Thunderstorm Warning | GGW | 62 min |
| Jun 17, 3:45 AM MDT | High Wind Warning | GGW | 30 hr |
| Jun 20, 2:29 PM MDT | Flash Flood Watch | GGW | 33 hr |
| Jun 20, 4:32 PM MDT | Severe Thunderstorm Warning | GGW | 34 min |
| Jun 21, 3:55 PM MDT | Tornado Watch | SPC | 5 hr |
| Jun 21, 4:38 PM MDT | Severe Thunderstorm Warning | GGW | 52 min |
| Jun 21, 5:26 PM MDT | Severe Thunderstorm Warning | GGW | 64 min |
| Jun 21, 5:33 PM MDT | Tornado Warning | GGW | 27 min |
| Jun 21, 5:57 PM MDT | Tornado Warning | GGW | 33 min |
| Jun 21, 6:26 PM MDT | Severe Thunderstorm Warning | GGW | 64 min |
| Jun 24, 5:25 PM MDT | Mesoscale Discussion | SPC | 95 min |
| Jun 24, 6:16 PM MDT | Severe Thunderstorm Warning | GGW | 59 min |
| Jun 28, 2:40 PM MDT | Lake Wind Advisory | GGW | 25 hr |
| Jun 29, 6:00 PM MDT | Mesoscale Discussion | SPC | 90 min |
| Jun 29, 8:26 PM MDT | Severe Thunderstorm Warning | GGW | 64 min |
| Jun 29, 8:31 PM MDT | Severe Thunderstorm Warning | GGW | 59 min |
| Jun 29, 8:39 PM MDT | Severe Thunderstorm Warning | GGW | 52 min |
| Jun 29, 9:52 PM MDT | Severe Thunderstorm Warning | GGW | 41 min |
| Jun 30, 3:54 PM MDT | Mesoscale Discussion | SPC | 66 min |
| Jun 30, 4:13 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 1, 1:37 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 1, 4:57 PM MDT | Mesoscale Discussion | SPC | 63 min |
| Jul 1, 8:28 PM MDT | Severe Thunderstorm Warning | GGW | 62 min |
| Jul 1, 8:59 PM MDT | Mesoscale Discussion | SPC | 91 min |
| Jul 1, 9:35 PM MDT | Severe Thunderstorm Warning | GGW | 55 min |
| Jul 1, 9:45 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 1, 10:08 PM MDT | Severe Thunderstorm Warning | GGW | 67 min |
| Jul 1, 10:14 PM MDT | Severe Thunderstorm Warning | GGW | 61 min |
| Jul 1, 10:26 PM MDT | Areal Flood Warning | GGW | 3 hr |
| Jul 1, 10:59 PM MDT | Severe Thunderstorm Warning | GGW | 61 min |
| Jul 2, 12:43 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 3:46 AM MDT | Lake Wind Advisory | GGW | 17 hr |
| Jul 2, 1:39 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 2, 5:02 PM MDT | Mesoscale Discussion | SPC | 58 min |
| Jul 2, 9:35 PM MDT | Severe Thunderstorm Warning | GGW | 55 min |
| Jul 2, 9:51 PM MDT | Severe Thunderstorm Warning | GGW | 54 min |
| Jul 2, 10:12 PM MDT | Severe Thunderstorm Warning | GGW | 63 min |
| Jul 2, 10:15 PM MDT | Severe Thunderstorm Warning | GGW | 22 min |
| Jul 2, 10:46 PM MDT | Severe Thunderstorm Warning | GGW | 59 min |
| Jul 3, 12:09 AM MDT | Severe Thunderstorm Warning | GGW | 66 min |
| Jul 3, 12:22 AM MDT | Severe Thunderstorm Warning | GGW | 53 min |
| Jul 3, 12:32 AM MDT | Severe Thunderstorm Warning | GGW | 58 min |
| Jul 3, 12:43 AM MDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 3, 1:09 AM MDT | Severe Thunderstorm Warning | GGW | 66 min |
| Jul 3, 1:16 AM MDT | Severe Thunderstorm Warning | GGW | 59 min |
| Jul 3, 2:02 AM MDT | Severe Thunderstorm Warning | GGW | 58 min |
| Jul 5, 3:53 AM MDT | Lake Wind Advisory | GGW | 14 hr |
| Jul 10, 4:04 AM MDT | Lake Wind Advisory | GGW | 17 hr |
| Jul 12, 1:03 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Jul 12, 2:06 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 12, 2:36 PM MDT | Lake Wind Advisory | GGW | 30 hr |
| Jul 12, 5:31 PM MDT | Mesoscale Discussion | SPC | 59 min |
| Jul 12, 5:46 PM MDT | Severe Thunderstorm Warning | GGW | 59 min |
| Jul 12, 6:28 PM MDT | Severe Thunderstorm Warning | GGW | 40 min |
| Jul 12, 7:03 PM MDT | Special Weather Statement | GGW | 57 min |
| Jul 12, 7:14 PM MDT | Mesoscale Discussion | SPC | 61 min |
| Jul 12, 7:25 PM MDT | Severe Thunderstorm Warning | GGW | 65 min |
| Jul 12, 7:58 PM MDT | Special Weather Statement | GGW | 62 min |
| Jul 14, 2:55 AM MDT | Lake Wind Advisory | GGW | 18 hr |
| Jul 16, 3:16 PM MDT | Lake Wind Advisory | GGW | 23 hr |
| Jul 23, 2:18 AM MDT | Special Weather Statement | GGW | 57 min |
| Jul 23, 3:10 AM MDT | Special Weather Statement | GGW | 65 min |
| Jul 26, 9:30 AM MDT | Lake Wind Advisory | GGW | 27 hr |
| Jul 26, 4:15 PM MDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jul 28, 9:31 AM MDT | Lake Wind Advisory | GGW | 8 hr |
| Jul 28, 8:27 PM MDT | Severe Thunderstorm Warning | GGW | 63 min |
| Jul 28, 9:25 PM MDT | Severe Thunderstorm Warning | GGW | 65 min |
| Jul 28, 9:42 PM MDT | Lake Wind Advisory | GGW | 6 hr |
| Jul 29, 3:03 PM MDT | Mesoscale Discussion | SPC | 57 min |
| Jul 29, 3:38 PM MDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jul 29, 5:49 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Jul 29, 6:28 PM MDT | Severe Thunderstorm Warning | GGW | 62 min |
| Jul 29, 7:15 PM MDT | Severe Thunderstorm Warning | GGW | 31 min |
| Jul 31, 12:01 PM MDT | Mesoscale Discussion | SPC | 89 min |
| Jul 31, 8:05 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 31, 8:32 PM MDT | Severe Thunderstorm Warning | GGW | 58 min |
| Jul 31, 9:43 PM MDT | Special Weather Statement | GGW | 47 min |
| Jul 31, 10:22 PM MDT | Special Weather Statement | GGW | 53 min |
| Aug 1, 12:49 AM MDT | Mesoscale Discussion | SPC | 56 min |
| Aug 1, 2:39 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 1, 5:37 PM MDT | Mesoscale Discussion | SPC | 113 min |
| Aug 1, 8:43 PM MDT | Mesoscale Discussion | SPC | 62 min |
| Aug 6, 3:03 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 6, 8:29 PM MDT | Severe Thunderstorm Warning | GGW | 61 min |
| Aug 6, 9:16 PM MDT | Tornado Warning | GGW | 59 min |
| Aug 6, 9:24 PM MDT | Severe Thunderstorm Warning | GGW | 66 min |
| Aug 6, 9:50 PM MDT | Tornado Warning | GGW | 25 min |
| Aug 6, 10:04 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 6, 10:13 PM MDT | Tornado Warning | GGW | 32 min |
| Aug 6, 10:15 PM MDT | Severe Thunderstorm Warning | GGW | 60 min |
| Aug 6, 10:23 PM MDT | Severe Thunderstorm Warning | GGW | 67 min |
| Aug 6, 10:35 PM MDT | Areal Flood Advisory | GGW | 2 hr |
| Aug 6, 10:47 PM MDT | Severe Thunderstorm Warning | GGW | 58 min |
| Aug 9, 5:59 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 9, 8:02 PM MDT | Mesoscale Discussion | SPC | 58 min |
| Aug 9, 10:43 PM MDT | Mesoscale Discussion | SPC | 62 min |
| Aug 9, 11:21 PM MDT | Severe Thunderstorm Warning | GGW | 54 min |
| Aug 11, 2:59 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 11, 4:50 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 11, 7:32 PM MDT | Mesoscale Discussion | SPC | 58 min |
| Aug 11, 10:16 PM MDT | Severe Thunderstorm Warning | GGW | 59 min |
| Aug 12, 2:56 PM MDT | Lake Wind Advisory | GGW | 30 hr |
| Aug 12, 8:18 PM MDT | Special Weather Statement | GGW | 57 min |
| Aug 14, 11:54 AM MDT | Lake Wind Advisory | GGW | 8 hr |
| Aug 21, 3:53 AM MDT | Lake Wind Advisory | GGW | 11 hr |
| Aug 21, 5:53 PM MDT | Severe Thunderstorm Warning | GGW | 67 min |
| Aug 21, 6:53 PM MDT | Severe Thunderstorm Warning | GGW | 67 min |
| Aug 22, 3:17 PM MDT | Lake Wind Advisory | GGW | 29 hr |
| Aug 24, 2:54 PM MDT | Fire Weather Watch | GGW | 24 hr |
| Aug 25, 2:56 PM MDT | Red Flag Warning | GGW | 54 hr |
| Aug 26, 2:25 PM MDT | Lake Wind Advisory | GGW | 31 hr |
| Sep 1, 3:02 PM MDT | Lake Wind Advisory | GGW | 28 hr |
| Sep 4, 5:10 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 4, 5:42 PM MDT | Special Weather Statement | GGW | 63 min |
| Sep 6, 8:51 AM MDT | Lake Wind Advisory | GGW | 9 hr |
| Sep 7, 2:28 PM MDT | Lake Wind Advisory | GGW | 36 hr |
| Sep 9, 2:14 PM MDT | Lake Wind Advisory | GGW | 30 hr |
| Sep 9, 2:35 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 19, 1:45 PM MDT | Lake Wind Advisory | GGW | 6 hr |
| Sep 20, 3:27 AM MDT | Lake Wind Advisory | GGW | 17 hr |
| Sep 24, 3:03 AM MDT | Lake Wind Advisory | GGW | 15 hr |
| Sep 28, 7:55 AM MDT | Lake Wind Advisory | GGW | 11 hr |
| Oct 1, 2:23 PM MDT | Lake Wind Advisory | GGW | 29 hr |
| Oct 4, 2:22 PM MDT | Lake Wind Advisory | GGW | 29 hr |
| Oct 11, 3:36 AM MDT | Lake Wind Advisory | GGW | 14 hr |
| Oct 12, 1:28 PM MDT | Lake Wind Advisory | GGW | 6 hr |
| Oct 14, 2:35 PM MDT | Lake Wind Advisory | GGW | 31 hr |
| Oct 24, 2:27 PM MDT | Lake Wind Advisory | GGW | 3 days |
| Oct 25, 2:25 PM MDT | Winter Weather Advisory | GGW | 41 hr |
| Nov 1, 3:04 PM MDT | Lake Wind Advisory | GGW | 27 hr |
| Nov 8, 6:29 PM MST | Lake Wind Advisory | GGW | 4 hr |
| Nov 15, 3:07 AM MST | Winter Storm Watch | GGW | 12 hr |
| Nov 15, 7:46 AM MST | Winter Weather Advisory | GGW | 4 hr |
| Nov 15, 3:20 PM MST | Winter Storm Warning | GGW | 30 hr |
| Nov 16, 9:44 PM MST | Winter Weather Advisory | GGW | 6 hr |
| Nov 17, 3:37 AM MST | Lake Wind Advisory | GGW | 48 hr |
| Nov 18, 8:18 AM MST | Winter Weather Advisory | GGW | 6 hr |
| Nov 19, 3:57 AM MST | Winter Weather Advisory | GGW | 48 hr |
| Nov 22, 2:57 PM MST | Winter Weather Advisory | GGW | 61 hr |
| Nov 24, 2:50 PM MST | Wind Chill Advisory | GGW | 19 hr |
| Nov 28, 2:09 PM MST | Winter Weather Advisory | GGW | 21 hr |
| Dec 2, 1:31 AM MST | Dense Fog Advisory | GGW | 12 hr |
| Dec 2, 3:08 AM MST | Winter Weather Advisory | GGW | 33 hr |
| Dec 5, 7:40 PM MST | Dense Fog Advisory | GGW | 32 hr |
| Dec 9, 2:37 PM MST | Winter Weather Advisory | GGW | 32 hr |
| Dec 10, 3:11 PM MST | Wind Chill Advisory | GGW | 18 hr |
| Dec 11, 3:38 AM MST | Winter Storm Watch | GGW | 25 hr |
| Dec 11, 2:53 PM MST | Wind Chill Advisory | GGW | 19 hr |
| Dec 12, 4:48 AM MST | Winter Weather Advisory | GGW | 18 hr |
| Dec 18, 3:33 PM MST | Winter Storm Watch | GGW | 30 hr |
| Dec 19, 2:42 PM MST | Winter Storm Warning | GGW | 27 hr |
| Dec 21, 9:22 PM MST | Dense Fog Advisory | GGW | 12 hr |
| Dec 24, 12:51 AM MST | Dense Fog Advisory | GGW | 32 hr |
| Dec 27, 3:37 PM MST | Winter Storm Watch | GGW | 23 hr |
| Dec 27, 3:37 PM MST | Winter Weather Advisory | GGW | 3 hr |
| Dec 28, 2:53 PM MST | Wind Chill Watch | GGW | 43 hr |
| Dec 28, 2:53 PM MST | Winter Storm Warning | GGW | 24 hr |
| Dec 29, 2:23 PM MST | Blizzard Warning | GGW | 13 hr |
| Dec 30, 3:38 AM MST | Winter Weather Advisory | GGW | 13 hr |
| Dec 30, 10:03 AM MST | Wind Chill Advisory | GGW | 49 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20092011
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.