Alert archive / Colorado / Montrose County
Weather alerts in Montrose County, Colorado, 2013
160 weather alerts in 2013, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Montrose County and its neighbors
Each county as a circle sized by its count in 2013. Tap one for its archive.
- Alerts
- 160
- Warnings
- 53
- Watches
- 40
- Advisories
- 62
- Busiest month
- April23 alerts
- Busiest day
- September 22, 20136 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Montrose County, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 3 | 1 | 67% | 1 | 100% | 30 min |
| Flash flood warnings | 5 | 3 | 40% | 10 | 50% | 69 min |
Each office's whole area, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Grand Junction, CO: tornado warnings | 0 | 1 | 0% | |||
| NWS Grand Junction, CO: severe thunderstorm warnings | 31 | 15 | 52% | 49 | 61% | 22 min |
| NWS Grand Junction, CO: flash flood warnings | 59 | 20 | 66% | 99 | 31% | 72 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 9, 5:37 AM MST | Winter Storm Watch | GJT | 18 hr |
| Jan 9, 11:14 PM MST | Winter Weather Advisory | GJT | 55 hr |
| Jan 15, 4:26 AM MST | Wind Chill Advisory | GJT | 5 hr |
| Jan 25, 4:59 AM MST | Winter Storm Warning | GJT | 58 hr |
| Jan 25, 4:59 AM MST | Winter Weather Advisory | GJT | 58 hr |
| Jan 26, 3:16 PM MST | Winter Storm Watch | GJT | 24 hr |
| Jan 26, 4:54 PM MST | Dense Fog Advisory | GJT | 16 hr |
| Jan 27, 5:30 AM MST | Winter Storm Warning | GJT | 5 days |
| Jan 28, 5:02 AM MST | Winter Weather Advisory | GJT | 24 hr |
| Jan 30, 5:32 PM MST | Winter Weather Advisory | GJT | 14 hr |
| Feb 3, 9:09 PM MST | Dense Fog Advisory | GJT | 12 hr |
| Feb 7, 4:49 AM MST | Winter Storm Watch | GJT | 17 hr |
| Feb 7, 9:59 PM MST | Winter Storm Warning | GJT | 4 days |
| Feb 7, 9:59 PM MST | Winter Weather Advisory | GJT | 4 days |
| Feb 10, 9:39 AM MST | Winter Storm Warning | GJT | 36 hr |
| Feb 18, 3:59 PM MST | Winter Storm Watch | GJT | 23 hr |
| Feb 19, 3:05 PM MST | Winter Weather Advisory | GJT | 51 hr |
| Feb 22, 3:07 PM MST | Winter Weather Advisory | GJT | 53 hr |
| Feb 25, 3:09 PM MST | Winter Weather Advisory | GJT | 37 hr |
| Mar 2, 2:55 PM MST | Winter Weather Advisory | GJT | 51 hr |
| Mar 6, 3:22 AM MST | Winter Storm Watch | GJT | 45 hr |
| Mar 7, 1:08 AM MST | Winter Storm Warning | GJT | 68 hr |
| Mar 8, 12:04 AM MST | Winter Weather Advisory | GJT | 42 hr |
| Mar 16, 7:05 PM MDT | Winter Weather Advisory | GJT | 23 hr |
| Mar 20, 3:51 AM MDT | Winter Weather Advisory | GJT | 36 hr |
| Apr 6, 7:34 PM MDT | Winter Storm Watch | GJT | 26 hr |
| Apr 7, 3:53 PM MDT | Freeze Watch | GJT | 13 hr |
| Apr 7, 9:34 PM MDT | Winter Storm Warning | GJT | 48 hr |
| Apr 7, 9:34 PM MDT | Winter Weather Advisory | GJT | 48 hr |
| Apr 8, 4:48 AM MDT | Freeze Warning | GJT | 52 hr |
| Apr 8, 4:48 AM MDT | Wind Advisory | GJT | 16 hr |
| Apr 10, 4:34 AM MDT | Freeze Warning | GJT | 28 hr |
| Apr 10, 9:06 AM MDT | Freeze Warning | GJT | 3 hr |
| Apr 12, 3:17 PM MDT | Winter Weather Advisory | GJT | 42 hr |
| Apr 13, 6:12 AM MDT | Wind Advisory | GJT | 15 hr |
| Apr 14, 2:37 PM MDT | Winter Weather Advisory | GJT | 3 days |
| Apr 15, 4:59 AM MDT | Winter Storm Watch | GJT | 33 hr |
| Apr 15, 8:10 AM MDT | Winter Storm Warning | GJT | 61 hr |
| Apr 16, 2:40 PM MDT | Freeze Watch | GJT | 25 hr |
| Apr 17, 3:12 PM MDT | Freeze Watch | GJT | 24 hr |
| Apr 17, 3:12 PM MDT | Freeze Warning | GJT | 18 hr |
| Apr 18, 3:03 PM MDT | Freeze Warning | GJT | 18 hr |
| Apr 21, 3:41 PM MDT | Winter Weather Advisory | GJT | 44 hr |
| Apr 22, 3:56 PM MDT | Freeze Watch | GJT | 11 hr |
| Apr 23, 3:12 AM MDT | Freeze Warning | GJT | 29 hr |
| Apr 29, 5:54 AM MDT | Red Flag Warning | GJT | 39 hr |
| Apr 29, 3:32 PM MDT | Wind Advisory | GJT | 28 hr |
| Apr 30, 2:34 PM MDT | Freeze Watch | GJT | 21 hr |
| May 1, 11:59 AM MDT | Freeze Warning | GJT | 19 hr |
| May 2, 12:39 PM MDT | Freeze Warning | GJT | 20 hr |
| May 7, 2:12 PM MDT | Winter Storm Warning | GJT | 52 hr |
| May 7, 2:12 PM MDT | Winter Weather Advisory | GJT | 52 hr |
| May 15, 2:12 PM MDT | Red Flag Warning | GJT | 29 hr |
| May 16, 12:45 AM MDT | Fire Weather Watch | GJT | 12 hr |
| May 16, 12:22 PM MDT | Red Flag Warning | GJT | 32 hr |
| May 21, 2:54 AM MDT | Fire Weather Watch | GJT | 12 hr |
| May 21, 2:53 PM MDT | Red Flag Warning | GJT | 3 days |
| May 22, 8:54 PM MDT | Fire Weather Watch | GJT | 17 hr |
| May 23, 2:14 PM MDT | Fire Weather Watch | GJT | 24 hr |
| May 24, 2:19 PM MDT | Red Flag Warning | GJT | 31 hr |
| May 25, 5:45 AM MDT | Fire Weather Watch | GJT | 8 hr |
| May 25, 1:35 PM MDT | Red Flag Warning | GJT | 31 hr |
| Jun 3, 5:41 PM MDT | Red Flag Warning | GJT | 26 hr |
| Jun 9, 2:47 PM MDT | Fire Weather Watch | GJT | 15 hr |
| Jun 9, 2:47 PM MDT | Red Flag Warning | GJT | 29 hr |
| Jun 10, 5:32 AM MDT | Red Flag Warning | GJT | 38 hr |
| Jun 11, 3:12 PM MDT | Fire Weather Watch | GJT | 14 hr |
| Jun 12, 5:04 AM MDT | Red Flag Warning | GJT | 39 hr |
| Jun 14, 3:00 PM MDT | Red Flag Warning | GJT | 29 hr |
| Jun 16, 2:34 PM MDT | Fire Weather Watch | GJT | 25 hr |
| Jun 17, 3:20 PM MDT | Red Flag Warning | GJT | 3 days |
| Jun 19, 3:18 PM MDT | Fire Weather Watch | GJT | 14 hr |
| Jun 20, 5:33 AM MDT | Red Flag Warning | GJT | 39 hr |
| Jun 21, 3:10 PM MDT | Red Flag Warning | GJT | 30 hr |
| Jun 22, 3:40 PM MDT | Fire Weather Watch | GJT | 23 hr |
| Jun 23, 2:21 PM MDT | Red Flag Warning | GJT | 31 hr |
| Jun 27, 2:52 PM MDT | Red Flag Warning | GJT | 30 hr |
| Jun 28, 3:36 PM MDT | Red Flag Warning | GJT | 29 hr |
| Jun 29, 3:30 PM MDT | Red Flag Warning | GJT | 30 hr |
| Jul 14, 2:38 PM MDT | Flash Flood Watch | GJT | 33 hr |
| Jul 15, 5:49 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Jul 16, 6:05 PM MDT | Areal Flood Advisory | GJT | 2 hr |
| Jul 16, 9:44 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Jul 17, 10:04 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Jul 18, 12:31 AM MDT | Areal Flood Advisory | GJT | 3 hr |
| Jul 18, 7:13 PM MDT | Flash Flood Warning | GJT | 3 hr |
| Jul 18, 7:18 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Jul 18, 8:30 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Jul 19, 8:26 AM MDT | Flash Flood Watch | GJT | 12 hr |
| Jul 28, 11:23 PM MDT | Flash Flood Watch | GJT | 22 hr |
| Jul 29, 5:03 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Jul 29, 5:16 PM MDT | Special Weather Statement | GJT | 44 min |
| Jul 29, 5:40 PM MDT | Special Weather Statement | GJT | 50 min |
| Jul 29, 6:27 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Aug 5, 2:00 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Aug 6, 2:46 PM MDT | Flash Flood Watch | GJT | 32 hr |
| Aug 7, 3:50 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Aug 8, 3:50 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Aug 20, 4:52 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Aug 23, 3:35 PM MDT | Flood Watch | GJT | 3 days |
| Aug 26, 7:19 PM MDT | Flash Flood Warning | GJT | 3 hr |
| Aug 27, 1:49 PM MDT | Flash Flood Warning | GJT | 3 hr |
| Aug 27, 3:53 PM MDT | Severe Thunderstorm Warning | GJT | 52 min |
| Aug 27, 4:14 PM MDT | Flash Flood Warning | GJT | 3 hr |
| Aug 28, 8:08 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Aug 29, 4:43 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Aug 31, 4:10 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Sep 8, 4:02 AM MDT | Flash Flood Watch | GJT | 68 hr |
| Sep 11, 3:32 AM MDT | Flash Flood Watch | GJT | 17 hr |
| Sep 14, 10:40 AM MDT | Flash Flood Watch | GJT | 34 hr |
| Sep 14, 3:26 PM MDT | Flash Flood Warning | GJT | 4 hr |
| Sep 18, 1:49 PM MDT | Special Weather Statement | GJT | 26 min |
| Sep 21, 2:50 PM MDT | Flash Flood Watch | GJT | 30 hr |
| Sep 22, 9:46 AM MDT | Mesoscale Discussion | SPC | 44 min |
| Sep 22, 10:53 AM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 22, 12:50 PM MDT | Severe Thunderstorm Warning | GJT | 40 min |
| Sep 22, 1:25 PM MDT | Severe Thunderstorm Warning | GJT | 50 min |
| Sep 22, 2:08 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Sep 22, 2:40 PM MDT | Areal Flood Warning | GJT | 4 hr |
| Sep 22, 6:18 PM MDT | Areal Flood Advisory | GJT | 3 hr |
| Sep 23, 4:27 AM MDT | Freeze Watch | GJT | 10 hr |
| Sep 23, 2:26 PM MDT | Freeze Warning | GJT | 18 hr |
| Sep 24, 2:36 PM MDT | Wind Advisory | GJT | 30 hr |
| Sep 25, 2:25 PM MDT | Wind Advisory | GJT | 29 hr |
| Sep 26, 4:33 AM MDT | Freeze Watch | GJT | 33 hr |
| Sep 26, 2:50 PM MDT | Winter Weather Advisory | GJT | 33 hr |
| Sep 27, 1:23 PM MDT | Freeze Warning | GJT | 20 hr |
| Oct 2, 3:00 PM MDT | Winter Weather Advisory | GJT | 51 hr |
| Oct 3, 3:08 AM MDT | Freeze Watch | GJT | 22 hr |
| Oct 4, 1:03 AM MDT | Freeze Warning | GJT | 32 hr |
| Oct 5, 2:11 PM MDT | Freeze Warning | GJT | 19 hr |
| Oct 8, 2:57 PM MDT | Winter Storm Watch | GJT | 39 hr |
| Oct 9, 4:33 AM MDT | Winter Storm Warning | GJT | 59 hr |
| Oct 9, 4:33 AM MDT | Winter Weather Advisory | GJT | 59 hr |
| Oct 10, 10:43 AM MDT | Areal Flood Advisory | GJT | 8 hr |
| Oct 15, 3:35 AM MDT | Winter Weather Advisory | GJT | 28 hr |
| Oct 27, 3:05 PM MDT | Winter Storm Watch | GJT | 23 hr |
| Oct 27, 9:35 PM MDT | Wind Advisory | GJT | 21 hr |
| Oct 28, 3:24 AM MDT | Winter Storm Warning | GJT | 48 hr |
| Oct 28, 2:29 PM MDT | Winter Weather Advisory | GJT | 40 hr |
| Oct 30, 9:55 AM MDT | Winter Weather Advisory | GJT | 11 hr |
| Nov 4, 3:45 AM MST | Winter Weather Advisory | GJT | 32 hr |
| Nov 14, 3:38 PM MST | Winter Weather Advisory | GJT | 67 hr |
| Nov 15, 4:40 AM MST | Winter Storm Warning | GJT | 54 hr |
| Nov 20, 2:54 AM MST | Winter Storm Watch | GJT | 36 hr |
| Nov 20, 2:54 AM MST | Winter Weather Advisory | GJT | 13 hr |
| Nov 20, 3:24 PM MST | Winter Storm Warning | GJT | 4 days |
| Nov 20, 3:24 PM MST | Winter Weather Advisory | GJT | 72 hr |
| Nov 23, 3:01 PM MST | Winter Weather Advisory | GJT | 33 hr |
| Nov 24, 7:25 AM MST | Dense Fog Advisory | GJT | 4 hr |
| Nov 25, 6:28 AM MST | Dense Fog Advisory | GJT | 5 hr |
| Nov 29, 7:48 AM MST | Dense Fog Advisory | GJT | 4 hr |
| Dec 1, 4:03 PM MST | Winter Storm Watch | GJT | 46 hr |
| Dec 2, 5:04 AM MST | Winter Storm Warning | GJT | 66 hr |
| Dec 2, 3:30 PM MST | Winter Weather Advisory | GJT | 50 hr |
| Dec 5, 9:12 PM MST | Winter Storm Watch | GJT | 31 hr |
| Dec 6, 2:55 PM MST | Winter Storm Warning | GJT | 47 hr |
| Dec 6, 2:55 PM MST | Winter Weather Advisory | GJT | 63 hr |
| Dec 20, 8:11 AM MST | Winter Weather Advisory | GJT | 16 hr |
| Dec 20, 11:09 PM MST | Dense Fog Advisory | GJT | 7 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 | 3 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 3 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 5 |
| Flash Flood Watch | 8 |
| Flood Watch | 1 |
| Areal Flood Advisory | 18 |
| Winter | |
| Winter Storm Warning | 14 |
| Winter Storm Watch | 12 |
| Winter Weather Advisory | 31 |
| Cold | |
| Freeze Warning | 12 |
| Freeze Watch | 8 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 6 |
| Fire | |
| Red Flag Warning | 18 |
| Fire Weather Watch | 10 |
| Fog and smoke | |
| Dense Fog Advisory | 6 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20122014
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.