Alert archive / Colorado / La Plata County
Weather alerts in La Plata County, Colorado, 2022
144 weather alerts in 2022, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
La Plata County and its neighbors
Each county as a circle sized by its count in 2022. Tap one for its archive.
- Alerts
- 144
- Warnings
- 45
- Watches
- 39
- Advisories
- 42
- Busiest month
- May34 alerts
- Busiest day
- June 19, 20228 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
La Plata County, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 3 | 3 | 0% | 2 | 50% | 9 min |
| Flash flood warnings | 2 | 1 | 50% | 2 | 50% | 51 min |
Each office's whole area, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Grand Junction, CO: severe thunderstorm warnings | 29 | 5 | 83% | 13 | 38% | 17 min |
| NWS Grand Junction, CO: flash flood warnings | 61 | 12 | 80% | 38 | 63% | 45 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 31, 3:33 AM MST | Winter Storm Watch | GJT | 10 hr |
| Jan 31, 1:03 PM MST | Winter Storm Warning | GJT | 59 hr |
| Jan 31, 1:03 PM MST | Winter Weather Advisory | GJT | 46 hr |
| Feb 20, 4:03 AM MST | Winter Storm Watch | GJT | 11 hr |
| Feb 20, 3:31 PM MST | Winter Storm Warning | GJT | 4 days |
| Feb 20, 3:31 PM MST | Winter Weather Advisory | GJT | 4 days |
| Feb 21, 9:53 AM MST | Winter Storm Watch | GJT | 17 hr |
| Mar 3, 2:13 PM MST | Winter Weather Advisory | GJT | 4 days |
| Mar 8, 3:26 AM MST | Winter Weather Advisory | GJT | 65 hr |
| Mar 27, 2:43 PM MDT | Winter Weather Advisory | GJT | 69 hr |
| Apr 4, 3:11 AM MDT | Wind Advisory | GJT | 42 hr |
| Apr 10, 2:31 PM MDT | Wind Advisory | GJT | 39 hr |
| Apr 10, 2:31 PM MDT | Winter Storm Watch | GJT | 12 hr |
| Apr 11, 2:40 AM MDT | Winter Storm Warning | GJT | 56 hr |
| Apr 11, 6:46 PM MDT | High Wind Warning | GJT | 11 hr |
| Apr 13, 2:25 PM MDT | Wind Advisory | GJT | 6 hr |
| Apr 15, 2:47 PM MDT | Wind Advisory | GJT | 30 hr |
| Apr 17, 3:03 PM MDT | Fire Weather Watch | GJT | 12 hr |
| Apr 17, 3:03 PM MDT | Red Flag Warning | GJT | 29 hr |
| Apr 18, 3:22 AM MDT | Red Flag Warning | GJT | 43 hr |
| Apr 18, 3:30 AM MDT | Wind Advisory | GJT | 42 hr |
| Apr 19, 2:48 PM MDT | Fire Weather Watch | GJT | 12 hr |
| Apr 19, 2:48 PM MDT | Fire Weather Watch | GJT | 24 hr |
| Apr 20, 2:29 PM MDT | Red Flag Warning | GJT | 31 hr |
| Apr 21, 1:44 AM MDT | Wind Advisory | GJT | 40 hr |
| Apr 22, 12:42 PM MDT | High Wind Warning | GJT | 5 hr |
| Apr 22, 12:52 PM MDT | Red Flag Warning | GJT | 3 hr |
| Apr 22, 1:26 PM MDT | Blowing Dust Advisory | GJT | 5 hr |
| Apr 22, 6:10 PM MDT | Wind Advisory | GJT | 3 hr |
| Apr 25, 4:11 AM MDT | Fire Weather Watch | GJT | 10 hr |
| Apr 25, 1:50 PM MDT | Fire Weather Watch | GJT | 12 hr |
| Apr 25, 1:50 PM MDT | Fire Weather Watch | GJT | 37 hr |
| Apr 25, 1:50 PM MDT | Red Flag Warning | GJT | 30 hr |
| Apr 26, 2:03 AM MDT | Red Flag Warning | GJT | 42 hr |
| Apr 27, 2:53 AM MDT | Fire Weather Watch | GJT | 25 hr |
| Apr 27, 2:53 AM MDT | Red Flag Warning | GJT | 42 hr |
| Apr 28, 3:26 AM MDT | Red Flag Warning | GJT | 42 hr |
| Apr 29, 1:23 AM MDT | Wind Advisory | GJT | 20 hr |
| Apr 29, 2:32 PM MDT | Fire Weather Watch | GJT | 12 hr |
| Apr 30, 2:22 AM MDT | Red Flag Warning | GJT | 43 hr |
| May 1, 2:44 AM MDT | Wind Advisory | GJT | 17 hr |
| May 1, 2:33 PM MDT | Blowing Dust Advisory | GJT | 5 hr |
| May 2, 2:39 PM MDT | Red Flag Warning | GJT | 30 hr |
| May 2, 2:40 PM MDT | Wind Advisory | GJT | 30 hr |
| May 4, 2:40 PM MDT | Fire Weather Watch | GJT | 23 hr |
| May 5, 2:08 PM MDT | Fire Weather Watch | GJT | 24 hr |
| May 5, 2:08 PM MDT | Red Flag Warning | GJT | 55 hr |
| May 6, 2:21 PM MDT | Wind Advisory | GJT | 31 hr |
| May 6, 2:23 PM MDT | Red Flag Warning | GJT | 56 hr |
| May 7, 3:10 AM MDT | Wind Advisory | GJT | 54 hr |
| May 7, 3:20 AM MDT | Fire Weather Watch | GJT | 24 hr |
| May 8, 3:44 AM MDT | Red Flag Warning | GJT | 42 hr |
| May 8, 3:24 PM MDT | Fire Weather Watch | GJT | 11 hr |
| May 9, 2:32 AM MDT | Red Flag Warning | GJT | 43 hr |
| May 9, 2:06 PM MDT | Fire Weather Watch | GJT | 13 hr |
| May 10, 2:50 AM MDT | Wind Advisory | GJT | 42 hr |
| May 10, 2:57 AM MDT | Red Flag Warning | GJT | 44 hr |
| May 17, 1:42 PM MDT | Fire Weather Watch | GJT | 12 hr |
| May 18, 2:04 AM MDT | Red Flag Warning | GJT | 46 hr |
| May 20, 3:16 AM MDT | Red Flag Warning | GJT | 18 hr |
| May 22, 2:37 PM MDT | Fire Weather Watch | GJT | 20 hr |
| May 23, 10:45 AM MDT | Red Flag Warning | GJT | 34 hr |
| May 25, 1:21 PM MDT | Fire Weather Watch | GJT | 15 hr |
| May 25, 1:21 PM MDT | Fire Weather Watch | GJT | 24 hr |
| May 26, 4:30 AM MDT | Red Flag Warning | GJT | 41 hr |
| May 26, 1:06 PM MDT | Red Flag Warning | GJT | 56 hr |
| May 27, 1:45 PM MDT | Wind Advisory | GJT | 30 hr |
| May 27, 1:48 PM MDT | Fire Weather Watch | GJT | 25 hr |
| May 28, 3:14 PM MDT | Red Flag Warning | GJT | 31 hr |
| May 28, 8:25 PM MDT | Wind Advisory | GJT | 25 hr |
| May 29, 4:03 AM MDT | Fire Weather Watch | GJT | 12 hr |
| May 29, 3:36 PM MDT | Red Flag Warning | GJT | 29 hr |
| May 30, 2:59 AM MDT | Fire Weather Watch | GJT | 11 hr |
| May 30, 1:58 PM MDT | Freeze Warning | GJT | 19 hr |
| Jun 1, 1:11 PM MDT | Fire Weather Watch | GJT | 25 hr |
| Jun 2, 2:39 PM MDT | Red Flag Warning | GJT | 29 hr |
| Jun 9, 2:52 PM MDT | Fire Weather Watch | GJT | 23 hr |
| Jun 10, 1:54 PM MDT | Fire Weather Watch | GJT | 23 hr |
| Jun 10, 1:54 PM MDT | Red Flag Warning | GJT | 58 hr |
| Jun 11, 1:22 PM MDT | Red Flag Warning | GJT | 58 hr |
| Jun 12, 3:40 AM MDT | High Wind Watch | GJT | 11 hr |
| Jun 12, 2:45 PM MDT | High Wind Warning | GJT | 32 hr |
| Jun 13, 3:44 AM MDT | Red Flag Warning | GJT | 41 hr |
| Jun 13, 1:25 PM MDT | Blowing Dust Advisory | GJT | 7 hr |
| Jun 15, 2:06 PM MDT | Fire Weather Watch | GJT | 25 hr |
| Jun 16, 3:09 PM MDT | Red Flag Warning | GJT | 30 hr |
| Jun 19, 12:32 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 19, 1:50 PM MDT | Severe Thunderstorm Warning | GJT | 25 min |
| Jun 19, 2:08 PM MDT | Severe Thunderstorm Warning | GJT | 32 min |
| Jun 19, 2:15 PM MDT | Special Weather Statement | GJT | 30 min |
| Jun 19, 2:43 PM MDT | Special Weather Statement | GJT | 32 min |
| Jun 19, 3:15 PM MDT | Special Weather Statement | GJT | 30 min |
| Jun 19, 3:23 PM MDT | Severe Thunderstorm Warning | GJT | 37 min |
| Jun 19, 3:58 PM MDT | Special Weather Statement | GJT | 32 min |
| Jun 23, 2:06 PM MDT | Special Weather Statement | GJT | 24 min |
| Jun 23, 6:08 PM MDT | Special Weather Statement | GJT | 37 min |
| Jun 23, 6:38 PM MDT | Special Weather Statement | GJT | 37 min |
| Jun 28, 2:28 PM MDT | Special Weather Statement | GJT | 47 min |
| Jul 6, 1:10 PM MDT | Special Weather Statement | GJT | 35 min |
| Jul 6, 3:32 PM MDT | Special Weather Statement | GJT | 28 min |
| Jul 16, 5:30 PM MDT | Special Weather Statement | GJT | 30 min |
| Jul 27, 2:11 AM MDT | Flood Watch | GJT | 22 hr |
| Jul 27, 3:23 PM MDT | Flood Watch | GJT | 31 hr |
| Jul 27, 7:06 PM MDT | Areal Flood Advisory | GJT | 2 hr |
| Jul 28, 2:10 PM MDT | Flood Watch | GJT | 32 hr |
| Jul 28, 2:58 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Jul 28, 4:34 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Jul 28, 4:36 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Jul 30, 8:53 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Jul 30, 9:34 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Jul 31, 1:50 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Aug 1, 2:53 PM MDT | Areal Flood Advisory | GJT | 19 min |
| Aug 1, 3:12 PM MDT | Flash Flood Warning | GJT | 2 hr |
| Aug 4, 4:11 PM MDT | Flash Flood Warning | GJT | 3 hr |
| Aug 4, 7:45 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Aug 7, 1:37 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Aug 7, 1:47 PM MDT | Special Weather Statement | GJT | 28 min |
| Aug 7, 3:05 PM MDT | Special Weather Statement | GJT | 25 min |
| Aug 7, 4:01 PM MDT | Special Weather Statement | ABQ | 29 min |
| Aug 7, 4:04 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Aug 31, 4:21 PM MDT | Special Weather Statement | GJT | 24 min |
| Sep 6, 4:39 PM MDT | Special Weather Statement | GJT | 36 min |
| Sep 7, 3:33 PM MDT | Special Weather Statement | GJT | 27 min |
| Sep 19, 1:49 PM MDT | Flood Watch | GJT | 3 days |
| Oct 21, 3:06 PM MDT | Wind Advisory | GJT | 45 hr |
| Oct 21, 3:10 PM MDT | Winter Storm Watch | GJT | 11 hr |
| Oct 22, 2:26 AM MDT | Winter Storm Warning | GJT | 49 hr |
| Nov 1, 3:08 AM MDT | Winter Storm Watch | GJT | 11 hr |
| Nov 1, 2:08 PM MDT | Winter Storm Warning | GJT | 58 hr |
| Nov 8, 2:54 AM MST | Winter Weather Advisory | GJT | 57 hr |
| Nov 8, 1:45 PM MST | Wind Advisory | GJT | 27 hr |
| Nov 27, 1:27 PM MST | Winter Weather Advisory | GJT | 46 hr |
| Nov 30, 3:05 PM MST | Winter Storm Watch | GJT | 12 hr |
| Dec 1, 2:58 AM MST | Winter Weather Advisory | GJT | 38 hr |
| Dec 5, 9:38 AM MST | Dense Fog Advisory | GJT | 3 hr |
| Dec 5, 2:33 PM MST | Winter Weather Advisory | GJT | 63 hr |
| Dec 11, 2:55 AM MST | Winter Storm Warning | GJT | 4 days |
| Dec 11, 2:55 AM MST | Winter Weather Advisory | GJT | 4 days |
| Dec 26, 3:06 AM MST | Winter Storm Watch | GJT | 11 hr |
| Dec 26, 1:56 PM MST | Winter Storm Watch | GJT | 12 hr |
| Dec 26, 1:56 PM MST | Winter Storm Warning | GJT | 63 hr |
| Dec 28, 5:10 PM MST | Snow Squall Warning | GJT | 65 min |
| Dec 29, 1:58 PM MST | Winter Storm Watch | GJT | 13 hr |
| Dec 29, 1:58 PM MST | Winter Storm Warning | GJT | 4 days |
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 | 3 |
| Mesoscale Discussion | 1 |
| Special Weather Statement | 17 |
| Flooding | |
| Flash Flood Warning | 2 |
| Flood Watch | 4 |
| Areal Flood Advisory | 11 |
| Winter | |
| Snow Squall Warning | 1 |
| Winter Storm Warning | 8 |
| Winter Storm Watch | 10 |
| Winter Weather Advisory | 10 |
| Cold | |
| Freeze Warning | 1 |
| Wind and dust | |
| High Wind Warning | 3 |
| High Wind Watch | 1 |
| Blowing Dust Advisory | 3 |
| Wind Advisory | 17 |
| Fire | |
| Red Flag Warning | 27 |
| Fire Weather Watch | 24 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20212023
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.