Alert archive / Colorado / Gunnison County
Weather alerts in Gunnison County, Colorado, 2012
107 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Gunnison County and its neighbors
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Alerts
- 107
- Warnings
- 41
- Watches
- 26
- Advisories
- 40
- Busiest month
- May15 alerts
- Busiest day
- January 17, 20123 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Gunnison County, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 0 | 0 | ||||
| Flash flood warnings | 2 | 1 | 50% | 0 |
Each office's whole area, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Grand Junction, CO: severe thunderstorm warnings | 12 | 2 | 83% | 18 | 11% | 9 min |
| NWS Grand Junction, CO: flash flood warnings | 24 | 4 | 83% | 23 | 26% | 25 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 6, 3:15 AM MST | Winter Weather Advisory | GJT | 47 hr |
| Jan 14, 3:33 PM MST | Winter Weather Advisory | GJT | 56 hr |
| Jan 15, 1:49 PM MST | Winter Storm Warning | GJT | 34 hr |
| Jan 17, 8:53 AM MST | High Wind Watch | GJT | 3 hr |
| Jan 17, 11:49 AM MST | High Wind Warning | GJT | 39 hr |
| Jan 17, 11:49 AM MST | Wind Advisory | GJT | 39 hr |
| Jan 19, 9:16 PM MST | Winter Storm Watch | GJT | 19 hr |
| Jan 20, 3:48 PM MST | Winter Storm Warning | GJT | 44 hr |
| Jan 20, 3:48 PM MST | Winter Weather Advisory | GJT | 41 hr |
| Jan 23, 4:23 AM MST | Winter Weather Advisory | GJT | 32 hr |
| Jan 25, 3:09 PM MST | Winter Weather Advisory | GJT | 47 hr |
| Feb 1, 4:26 AM MST | Winter Weather Advisory | GJT | 50 hr |
| Feb 9, 1:49 AM MST | Winter Weather Advisory | GJT | 7 hr |
| Feb 10, 3:10 PM MST | Winter Storm Watch | GJT | 23 hr |
| Feb 11, 2:19 PM MST | Winter Weather Advisory | GJT | 48 hr |
| Feb 13, 2:43 PM MST | Winter Weather Advisory | GJT | 39 hr |
| Feb 18, 4:21 AM MST | Winter Weather Advisory | GJT | 50 hr |
| Feb 22, 1:12 PM MST | Wind Advisory | GJT | 25 hr |
| Feb 23, 6:15 AM MST | Winter Weather Advisory | GJT | 8 hr |
| Feb 26, 4:16 AM MST | Winter Storm Watch | GJT | 11 hr |
| Feb 26, 3:19 PM MST | Winter Storm Warning | GJT | 57 hr |
| Feb 29, 3:41 AM MST | Winter Storm Watch | GJT | 11 hr |
| Feb 29, 3:41 AM MST | Winter Storm Warning | GJT | 62 hr |
| Feb 29, 3:41 AM MST | Winter Weather Advisory | GJT | 53 hr |
| Mar 6, 3:45 PM MST | Winter Weather Advisory | GJT | 31 hr |
| Mar 16, 2:55 PM MDT | Wind Advisory | GJT | 29 hr |
| Mar 16, 4:25 PM MDT | Winter Storm Watch | GJT | 23 hr |
| Mar 17, 3:26 PM MDT | Wind Advisory | GJT | 27 hr |
| Mar 17, 3:35 PM MDT | Winter Storm Warning | GJT | 56 hr |
| Mar 17, 3:35 PM MDT | Winter Weather Advisory | GJT | 44 hr |
| Mar 25, 3:04 PM MDT | High Wind Warning | GJT | 29 hr |
| Mar 25, 3:04 PM MDT | Wind Advisory | GJT | 29 hr |
| Mar 26, 11:29 AM MDT | Red Flag Warning | GJT | 9 hr |
| Mar 29, 3:12 PM MDT | Fire Weather Watch | GJT | 24 hr |
| Apr 1, 2:40 AM MDT | Wind Advisory | GJT | 18 hr |
| Apr 2, 3:32 PM MDT | Winter Weather Advisory | GJT | 21 hr |
| Apr 4, 12:14 PM MDT | Red Flag Warning | GJT | 32 hr |
| Apr 5, 2:57 PM MDT | Red Flag Warning | GJT | 30 hr |
| Apr 5, 3:19 PM MDT | Wind Advisory | GJT | 27 hr |
| Apr 6, 10:01 AM MDT | Freeze Warning | GJT | 23 hr |
| Apr 9, 2:04 PM MDT | Fire Weather Watch | GJT | 26 hr |
| Apr 10, 3:45 PM MDT | Red Flag Warning | GJT | 29 hr |
| Apr 10, 10:35 PM MDT | Wind Advisory | GJT | 25 hr |
| Apr 12, 3:29 PM MDT | Winter Storm Watch | GJT | 11 hr |
| Apr 13, 2:58 AM MDT | Winter Storm Warning | GJT | 3 days |
| Apr 18, 3:00 PM MDT | Winter Weather Advisory | GJT | 24 hr |
| Apr 27, 2:00 PM MDT | Freeze Warning | GJT | 15 hr |
| May 3, 8:36 AM MDT | Fire Weather Watch | GJT | 7 hr |
| May 3, 3:24 PM MDT | Red Flag Warning | GJT | 30 hr |
| May 4, 3:00 PM MDT | Red Flag Warning | GJT | 30 hr |
| May 7, 7:47 PM MDT | Winter Weather Advisory | GJT | 4 hr |
| May 16, 6:00 AM MDT | Fire Weather Watch | GJT | 24 hr |
| May 17, 5:44 AM MDT | Red Flag Warning | GJT | 39 hr |
| May 20, 2:47 PM MDT | Fire Weather Watch | GJT | 25 hr |
| May 21, 3:24 PM MDT | Red Flag Warning | GJT | 30 hr |
| May 22, 2:24 PM MDT | Red Flag Warning | GJT | 32 hr |
| May 22, 2:26 PM MDT | Wind Advisory | GJT | 32 hr |
| May 23, 4:00 AM MDT | Fire Weather Watch | GJT | 59 hr |
| May 24, 2:50 PM MDT | Red Flag Warning | GJT | 54 hr |
| May 24, 3:43 PM MDT | Wind Advisory | GJT | 30 hr |
| May 24, 9:40 PM MDT | High Wind Watch | GJT | 7 hr |
| May 25, 4:16 AM MDT | High Wind Warning | GJT | 41 hr |
| Jun 3, 2:48 PM MDT | Fire Weather Watch | GJT | 20 hr |
| Jun 4, 11:16 AM MDT | Red Flag Warning | GJT | 34 hr |
| Jun 6, 2:33 PM MDT | Fire Weather Watch | GJT | 48 hr |
| Jun 7, 2:41 PM MDT | Red Flag Warning | GJT | 55 hr |
| Jun 10, 3:43 PM MDT | Freeze Warning | GJT | 16 hr |
| Jun 15, 2:21 PM MDT | Fire Weather Watch | GJT | 3 days |
| Jun 16, 3:39 AM MDT | Red Flag Warning | GJT | 41 hr |
| Jun 17, 2:27 PM MDT | Red Flag Warning | GJT | 32 hr |
| Jun 18, 2:57 PM MDT | Red Flag Warning | GJT | 30 hr |
| Jun 20, 10:44 PM MDT | Red Flag Warning | GJT | 46 hr |
| Jun 22, 5:17 AM MDT | Fire Weather Watch | GJT | 30 hr |
| Jun 22, 5:17 AM MDT | Red Flag Warning | GJT | 40 hr |
| Jun 23, 11:26 AM MDT | Red Flag Warning | GJT | 34 hr |
| Jun 25, 3:09 PM MDT | Red Flag Warning | GJT | 30 hr |
| Jun 27, 2:18 PM MDT | Red Flag Warning | GJT | 34 hr |
| Jul 7, 3:56 AM MDT | Flash Flood Watch | GJT | 17 hr |
| Jul 7, 4:21 PM MDT | Flash Flood Warning | GJT | 3 hr |
| Jul 31, 3:34 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Aug 22, 8:55 PM MDT | Flash Flood Watch | GJT | 45 hr |
| Aug 23, 5:55 PM MDT | Areal Flood Advisory | GJT | 6 hr |
| Aug 23, 7:09 PM MDT | Areal Flood Advisory | GJT | 2 hr |
| Aug 23, 8:24 PM MDT | Flash Flood Warning | GJT | 3 hr |
| Sep 11, 7:57 PM MDT | Flash Flood Watch | GJT | 23 hr |
| Oct 2, 2:55 PM MDT | Freeze Watch | GJT | 13 hr |
| Oct 3, 3:28 AM MDT | Freeze Warning | GJT | 30 hr |
| Oct 5, 3:31 AM MDT | Red Flag Warning | GJT | 16 hr |
| Oct 6, 4:25 AM MDT | Freeze Warning | GJT | 28 hr |
| Oct 7, 2:40 PM MDT | Freeze Warning | GJT | 18 hr |
| Oct 10, 10:54 PM MDT | Winter Storm Watch | GJT | 22 hr |
| Oct 11, 2:45 PM MDT | Winter Weather Advisory | GJT | 45 hr |
| Oct 23, 9:13 AM MDT | Wind Advisory | GJT | 10 hr |
| Oct 24, 10:27 AM MDT | Wind Advisory | GJT | 9 hr |
| Nov 7, 3:00 PM MST | Winter Storm Watch | GJT | 12 hr |
| Nov 8, 3:23 AM MST | Winter Storm Warning | GJT | 4 days |
| Nov 8, 3:23 AM MST | Winter Weather Advisory | GJT | 4 days |
| Dec 8, 2:03 PM MST | Winter Weather Advisory | GJT | 25 hr |
| Dec 10, 4:00 AM MST | Winter Weather Advisory | GJT | 32 hr |
| Dec 12, 1:56 PM MST | Winter Storm Watch | GJT | 13 hr |
| Dec 13, 3:24 AM MST | Winter Storm Warning | GJT | 50 hr |
| Dec 13, 3:24 AM MST | Winter Weather Advisory | GJT | 72 hr |
| Dec 15, 2:31 PM MST | Winter Storm Warning | GJT | 4 days |
| Dec 16, 5:15 AM MST | Winter Storm Watch | GJT | 35 hr |
| Dec 22, 6:55 PM MST | Winter Weather Advisory | GJT | 59 hr |
| Dec 25, 2:55 PM MST | Winter Weather Advisory | GJT | 61 hr |
| Dec 29, 3:26 PM MST | Winter Weather Advisory | GJT | 54 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Flooding | |
| Flash Flood Warning | 2 |
| Flash Flood Watch | 3 |
| Areal Flood Advisory | 3 |
| Winter | |
| Winter Storm Warning | 9 |
| Winter Storm Watch | 10 |
| Winter Weather Advisory | 25 |
| Cold | |
| Freeze Warning | 6 |
| Freeze Watch | 1 |
| Wind and dust | |
| High Wind Warning | 3 |
| High Wind Watch | 2 |
| Wind Advisory | 12 |
| Fire | |
| Red Flag Warning | 21 |
| Fire Weather Watch | 10 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20112013
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.