Alert archive / Colorado / Pitkin County
Weather alerts in Pitkin County, Colorado, 2022
134 weather alerts in 2022, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Pitkin County and its neighbors
Each county as a circle sized by its count in 2022. Tap one for its archive.
- Alerts
- 134
- Warnings
- 28
- Watches
- 51
- Advisories
- 46
- Busiest month
- August25 alerts
- Busiest day
- August 15, 20225 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Pitkin County, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 0 | 1 | 0% | |||
| Flash flood warnings | 7 | 1 | 86% | 2 | 0% |
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 3, 2:19 PM MST | Winter Storm Warning | GJT | 3 days |
| Jan 3, 8:37 PM MST | Winter Storm Watch | GJT | 6 hr |
| Jan 4, 2:13 AM MST | Winter Weather Advisory | GJT | 64 hr |
| Jan 7, 2:55 AM MST | Winter Weather Advisory | GJT | 38 hr |
| Jan 10, 11:52 AM MST | Areal Flood Advisory | GJT | 60 hr |
| Jan 13, 3:39 PM MST | Areal Flood Advisory | GJT | 4 days |
| Jan 21, 10:48 PM MST | Dense Fog Advisory | GJT | 12 hr |
| Jan 28, 3:30 PM MST | Areal Flood Advisory | GJT | 3 days |
| Feb 1, 12:46 PM MST | Areal Flood Advisory | GJT | 7 days |
| Feb 11, 2:13 PM MST | Areal Flood Advisory | GJT | 3 days |
| Feb 16, 12:47 PM MST | Snow Squall Warning | GJT | 28 min |
| Feb 16, 1:20 PM MST | Snow Squall Warning | GJT | 25 min |
| Feb 16, 2:07 PM MST | Snow Squall Warning | GJT | 23 min |
| Feb 16, 2:34 PM MST | Snow Squall Warning | GJT | 26 min |
| 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 11, 1:06 PM MST | Areal Flood Advisory | GJT | 53 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 4, 3:19 AM MDT | Winter Weather Advisory | GJT | 45 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 10, 2:31 PM MDT | Winter Weather Advisory | GJT | 55 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, 10:24 AM MDT | Winter Weather Advisory | GJT | 14 hr |
| Apr 18, 3:30 AM MDT | Wind Advisory | GJT | 42 hr |
| Apr 22, 3:15 AM MDT | Winter Weather Advisory | GJT | 45 hr |
| Apr 24, 7:32 AM MDT | Winter Weather Advisory | GJT | 22 hr |
| Apr 29, 1:23 AM MDT | Wind Advisory | GJT | 20 hr |
| May 6, 2:21 PM MDT | Wind Advisory | GJT | 31 hr |
| May 7, 3:10 AM MDT | Wind Advisory | GJT | 54 hr |
| May 8, 9:47 PM MDT | High Wind Warning | GJT | 3 hr |
| May 9, 2:04 PM MDT | Wind Advisory | GJT | 30 hr |
| May 10, 2:50 AM MDT | Wind Advisory | GJT | 42 hr |
| May 18, 2:46 PM MDT | Winter Weather Advisory | GJT | 63 hr |
| May 18, 6:28 PM MDT | Wind Advisory | GJT | 28 hr |
| May 19, 2:50 PM MDT | Freeze Watch | GJT | 12 hr |
| May 20, 2:28 AM MDT | Freeze Warning | GJT | 30 hr |
| May 20, 3:51 PM MDT | Freeze Watch | GJT | 23 hr |
| May 20, 4:26 PM MDT | Mesoscale Discussion | SPC | 6 hr |
| May 21, 2:21 PM MDT | Freeze Warning | GJT | 18 hr |
| May 23, 2:12 PM MDT | Freeze Watch | GJT | 24 hr |
| May 24, 2:01 PM MDT | Freeze Warning | GJT | 19 hr |
| May 27, 1:45 PM MDT | Wind Advisory | GJT | 30 hr |
| May 29, 11:52 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 30, 1:58 PM MDT | Freeze Warning | GJT | 19 hr |
| Jun 12, 2:45 PM MDT | High Wind Warning | GJT | 32 hr |
| Jun 18, 9:02 AM MDT | Flash Flood Watch | GJT | 13 hr |
| Jun 19, 8:58 AM MDT | Flash Flood Watch | GJT | 12 hr |
| Jun 23, 4:43 PM MDT | Special Weather Statement | GJT | 32 min |
| Jun 23, 7:46 PM MDT | Flash Flood Watch | GJT | 3 hr |
| Jun 24, 2:22 AM MDT | Flash Flood Watch | GJT | 16 hr |
| Jun 26, 1:04 PM MDT | Flash Flood Watch | GJT | 7 hr |
| Jun 29, 1:34 PM MDT | Flash Flood Watch | GJT | 4 hr |
| Jun 29, 2:59 PM MDT | Flash Flood Watch | GJT | 28 hr |
| Jul 1, 2:26 PM MDT | Flash Flood Watch | GJT | 4 hr |
| Jul 3, 1:28 PM MDT | Flash Flood Watch | GJT | 3 hr |
| Jul 4, 1:06 PM MDT | Flash Flood Watch | GJT | 26 hr |
| Jul 5, 3:29 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Jul 6, 1:35 PM MDT | Flash Flood Watch | GJT | 6 hr |
| Jul 13, 5:41 PM MDT | Special Weather Statement | GJT | 49 min |
| Jul 14, 1:29 PM MDT | Special Weather Statement | GJT | 31 min |
| Jul 14, 2:05 PM MDT | Flood Watch | GJT | 32 hr |
| Jul 15, 5:22 PM MDT | Special Weather Statement | GJT | 23 min |
| Jul 15, 5:57 PM MDT | Special Weather Statement | GJT | 33 min |
| Jul 16, 12:03 PM MDT | Flash Flood Watch | GJT | 2 hr |
| Jul 19, 4:52 PM MDT | Flash Flood Watch | GJT | 4 hr |
| Jul 20, 4:25 PM MDT | Special Weather Statement | GJT | 35 min |
| Jul 20, 4:52 PM MDT | Flash Flood Warning | GJT | 53 min |
| Jul 23, 11:56 AM MDT | Flash Flood Watch | GJT | 8 hr |
| Jul 24, 2:39 AM MDT | Flash Flood Watch | GJT | 16 hr |
| Jul 26, 12:20 PM MDT | Flash Flood Watch | GJT | 4 hr |
| Jul 27, 3:23 PM MDT | Flood Watch | GJT | 31 hr |
| Jul 29, 7:51 AM MDT | Flash Flood Watch | GJT | 13 hr |
| Jul 30, 3:01 PM MDT | Flash Flood Watch | GJT | 4 hr |
| Jul 30, 5:19 PM MDT | Flash Flood Warning | GJT | 3 hr |
| Aug 1, 11:43 AM MDT | Flash Flood Watch | GJT | 9 hr |
| Aug 1, 5:26 PM MDT | Flash Flood Warning | GJT | 2 hr |
| Aug 2, 9:58 PM MDT | Flash Flood Watch | GJT | 2 hr |
| Aug 10, 4:58 PM MDT | Flash Flood Watch | GJT | 3 hr |
| Aug 11, 4:27 PM MDT | Flash Flood Watch | GJT | 3 hr |
| Aug 13, 12:37 PM MDT | Flash Flood Watch | GJT | 6 hr |
| Aug 14, 12:09 PM MDT | Flash Flood Watch | GJT | 9 hr |
| Aug 14, 8:42 PM MDT | Flash Flood Watch | GJT | 3 hr |
| Aug 15, 3:18 AM MDT | Flash Flood Watch | GJT | 14 hr |
| Aug 15, 4:32 PM MDT | Areal Flood Advisory | GJT | 55 min |
| Aug 15, 5:11 PM MDT | Flash Flood Warning | GJT | 2 hr |
| Aug 15, 5:20 PM MDT | Flash Flood Warning | GJT | 3 hr |
| Aug 15, 7:36 PM MDT | Flash Flood Watch | GJT | 2 hr |
| Aug 16, 12:50 PM MDT | Flash Flood Watch | GJT | 6 hr |
| Aug 19, 2:46 AM MDT | Flash Flood Watch | GJT | 16 hr |
| Aug 19, 2:39 PM MDT | Flash Flood Warning | GJT | 3 hr |
| Aug 20, 10:52 AM MDT | Flash Flood Watch | GJT | 9 hr |
| Aug 20, 1:34 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Aug 21, 2:34 AM MDT | Flash Flood Watch | GJT | 11 hr |
| Aug 21, 3:21 PM MDT | Flash Flood Watch | GJT | 2 hr |
| Aug 25, 1:03 PM MDT | Flash Flood Watch | GJT | 5 hr |
| Aug 26, 12:08 PM MDT | Flash Flood Watch | GJT | 6 hr |
| Aug 27, 2:59 PM MDT | Flash Flood Warning | GJT | 3 hr |
| Aug 28, 3:32 PM MDT | Flash Flood Watch | GJT | 3 hr |
| Aug 28, 5:20 PM MDT | Special Weather Statement | GJT | 25 min |
| Sep 14, 4:20 PM MDT | Flash Flood Watch | GJT | 2 hr |
| Sep 19, 1:49 PM MDT | Flood Watch | GJT | 3 days |
| Oct 13, 3:19 AM MDT | Freeze Watch | GJT | 11 hr |
| Oct 13, 2:10 PM MDT | Freeze Warning | GJT | 19 hr |
| 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 |
| Oct 25, 2:10 PM MDT | Winter Weather Advisory | GJT | 49 hr |
| Nov 1, 2:08 PM MDT | Winter Weather Advisory | GJT | 64 hr |
| Nov 4, 2:05 PM MDT | Winter Weather Advisory | GJT | 47 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 Storm Warning | GJT | 52 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 Storm Warning | GJT | 38 hr |
| Dec 1, 2:58 AM MST | Winter Weather Advisory | GJT | 38 hr |
| Dec 4, 2:24 PM MST | Winter Weather Advisory | GJT | 4 days |
| Dec 11, 2:55 AM MST | Winter Weather Advisory | GJT | 4 days |
| Dec 15, 7:13 AM MST | Winter Weather Advisory | GJT | 4 hr |
| Dec 17, 3:16 PM MST | Areal Flood Advisory | GJT | 9 days |
| Dec 19, 11:45 AM MST | Wind Chill Watch | GJT | 27 hr |
| Dec 20, 3:46 AM MST | Winter Storm Watch | GJT | 11 hr |
| Dec 20, 2:41 PM MST | Wind Chill Warning | GJT | 61 hr |
| Dec 20, 2:41 PM MST | Winter Storm Warning | GJT | 45 hr |
| Dec 23, 3:14 AM MST | Areal Flood Advisory | GJT | 4 days |
| Dec 26, 1:56 PM MST | Winter Weather Advisory | GJT | 63 hr |
| 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 | |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 7 |
| Flooding | |
| Flash Flood Warning | 7 |
| Flash Flood Watch | 36 |
| Flood Watch | 3 |
| Areal Flood Advisory | 11 |
| Winter | |
| Snow Squall Warning | 4 |
| Winter Storm Warning | 8 |
| Winter Storm Watch | 7 |
| Winter Weather Advisory | 22 |
| Cold | |
| Freeze Warning | 5 |
| Wind Chill Warning | 1 |
| Freeze Watch | 4 |
| Wind Chill Watch | 1 |
| Wind and dust | |
| High Wind Warning | 3 |
| Wind Advisory | 12 |
| 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.