Alert archive / Colorado / Prowers County
Weather alerts in Prowers County, Colorado, 2011
181 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Prowers County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 181
- Warnings
- 81
- Watches
- 56
- Advisories
- 14
- Busiest month
- June36 alerts
- Busiest day
- June 18, 20117 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 2 tornado warnings covering Prowers County in 2011 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 2 minutes after it went out.
Prowers County, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 1 | 50% | 1 | 100% | 2 min |
| Severe thunderstorm warnings | 28 | 12 | 57% | 16 | 69% | 14 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Pueblo, CO: tornado warnings | 11 | 4 | 64% | 10 | 40% | 13 min |
| NWS Pueblo, CO: severe thunderstorm warnings | 126 | 34 | 73% | 91 | 59% | 18 min |
| NWS Pueblo, CO: flash flood warnings | 19 | 8 | 58% | 13 | 92% | 69 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 7, 2:59 PM MST | Winter Storm Watch | PUB | 25 hr |
| Jan 8, 3:39 PM MST | Winter Weather Advisory | PUB | 37 hr |
| Jan 10, 4:57 AM MST | Winter Weather Advisory | PUB | 6 hr |
| Jan 10, 3:36 PM MST | Wind Chill Advisory | PUB | 17 hr |
| Jan 30, 3:22 PM MST | Winter Weather Advisory | PUB | 50 hr |
| Jan 31, 11:02 AM MST | Wind Chill Warning | PUB | 48 hr |
| Feb 1, 3:10 PM MST | Wind Chill Watch | PUB | 13 hr |
| Feb 2, 4:14 AM MST | Wind Chill Advisory | PUB | 28 hr |
| Feb 7, 4:17 AM MST | Winter Weather Advisory | PUB | 40 hr |
| Feb 8, 1:56 AM MST | Mesoscale Discussion | SPC | 6 hr |
| Feb 8, 4:07 AM MST | Wind Chill Advisory | PUB | 27 hr |
| Feb 8, 9:11 AM MST | Mesoscale Discussion | SPC | 6 hr |
| Feb 15, 2:49 PM MST | Red Flag Warning | PUB | 27 hr |
| Feb 16, 4:44 AM MST | Fire Weather Watch | PUB | 11 hr |
| Feb 16, 3:15 PM MST | Red Flag Warning | PUB | 27 hr |
| Feb 20, 3:56 AM MST | Red Flag Warning | PUB | 14 hr |
| Feb 26, 4:50 AM MST | Red Flag Warning | PUB | 13 hr |
| Feb 26, 3:52 PM MST | Red Flag Warning | PUB | 25 hr |
| Mar 6, 3:48 PM MST | Winter Weather Advisory | PUB | 45 hr |
| Mar 9, 2:23 PM MST | Fire Weather Watch | PUB | 25 hr |
| Mar 11, 3:45 AM MST | Red Flag Warning | PUB | 13 hr |
| Mar 14, 3:23 PM MDT | Fire Weather Watch | PUB | 24 hr |
| Mar 15, 3:00 PM MDT | Red Flag Warning | PUB | 53 hr |
| Mar 15, 3:00 PM MDT | Red Flag Warning | PUB | 29 hr |
| Mar 18, 3:00 PM MDT | Fire Weather Watch | PUB | 26 hr |
| Mar 18, 6:25 PM MDT | Fire Weather Watch | PUB | 23 hr |
| Mar 19, 3:27 PM MDT | Red Flag Warning | PUB | 53 hr |
| Mar 20, 3:18 PM MDT | Fire Weather Watch | PUB | 24 hr |
| Mar 21, 3:40 PM MDT | Red Flag Warning | PUB | 28 hr |
| Mar 22, 3:51 PM MDT | Fire Weather Watch | PUB | 24 hr |
| Mar 27, 10:05 PM MDT | Dense Fog Advisory | PUB | 13 hr |
| Apr 1, 4:51 AM MDT | Fire Weather Watch | PUB | 10 hr |
| Apr 1, 4:51 AM MDT | Fire Weather Watch | PUB | 35 hr |
| Apr 1, 2:37 PM MDT | Red Flag Warning | PUB | 29 hr |
| Apr 2, 3:40 PM MDT | Red Flag Warning | PUB | 28 hr |
| Apr 3, 1:01 AM MDT | High Wind Warning | PUB | 19 hr |
| Apr 5, 4:51 AM MDT | Fire Weather Watch | PUB | 35 hr |
| Apr 6, 5:06 AM MDT | Fire Weather Watch | PUB | 31 hr |
| Apr 7, 12:31 PM MDT | Red Flag Warning | PUB | 31 hr |
| Apr 7, 2:51 PM MDT | Fire Weather Watch | PUB | 25 hr |
| Apr 8, 3:37 PM MDT | Red Flag Warning | PUB | 28 hr |
| Apr 9, 2:10 PM MDT | High Wind Warning | PUB | 5 hr |
| Apr 10, 4:28 AM MDT | Red Flag Warning | PUB | 16 hr |
| Apr 10, 3:00 PM MDT | Fire Weather Watch | PUB | 24 hr |
| Apr 11, 2:49 PM MDT | Red Flag Warning | PUB | 29 hr |
| Apr 13, 3:26 PM MDT | High Wind Watch | PUB | 24 hr |
| Apr 13, 3:49 PM MDT | Fire Weather Watch | PUB | 23 hr |
| Apr 14, 3:06 PM MDT | High Wind Warning | PUB | 23 hr |
| Apr 14, 3:15 PM MDT | Red Flag Warning | PUB | 29 hr |
| Apr 16, 3:24 AM MDT | Fire Weather Watch | PUB | 36 hr |
| Apr 16, 2:52 PM MDT | Red Flag Warning | PUB | 29 hr |
| Apr 17, 3:04 PM MDT | Red Flag Warning | PUB | 28 hr |
| Apr 19, 4:40 AM MDT | Fire Weather Watch | PUB | 35 hr |
| Apr 27, 3:00 PM MDT | Fire Weather Watch | PUB | 24 hr |
| Apr 28, 2:48 PM MDT | Red Flag Warning | PUB | 29 hr |
| Apr 30, 4:09 AM MDT | Freeze Warning | PUB | 29 hr |
| Apr 30, 3:15 PM MDT | Freeze Watch | PUB | 12 hr |
| May 1, 3:08 AM MDT | Freeze Warning | PUB | 30 hr |
| May 1, 2:33 PM MDT | Freeze Watch | PUB | 13 hr |
| May 2, 3:20 AM MDT | Freeze Warning | PUB | 30 hr |
| May 3, 3:41 AM MDT | Fire Weather Watch | PUB | 24 hr |
| May 6, 2:41 PM MDT | Fire Weather Watch | PUB | 25 hr |
| May 7, 4:06 AM MDT | Fire Weather Watch | PUB | 25 hr |
| May 7, 3:44 PM MDT | Red Flag Warning | PUB | 28 hr |
| May 8, 5:04 AM MDT | Fire Weather Watch | PUB | 33 hr |
| May 8, 5:04 AM MDT | Red Flag Warning | PUB | 40 hr |
| May 9, 2:09 PM MDT | Red Flag Warning | PUB | 31 hr |
| May 11, 12:51 PM MDT | Mesoscale Discussion | SPC | 84 min |
| May 17, 4:14 PM MDT | Mesoscale Discussion | SPC | 61 min |
| May 18, 4:42 AM MDT | Fire Weather Watch | PUB | 11 hr |
| May 18, 3:34 PM MDT | Red Flag Warning | PUB | 28 hr |
| May 18, 9:25 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 24, 12:27 PM MDT | Tornado Watch | SPC | 6 hr |
| May 24, 2:12 PM MDT | Tornado Warning | PUB | 22 min |
| May 24, 2:22 PM MDT | Severe Thunderstorm Warning | PUB | 35 min |
| May 27, 3:01 PM MDT | Fire Weather Watch | PUB | 25 hr |
| May 28, 3:43 PM MDT | Fire Weather Watch | PUB | 12 hr |
| May 28, 3:43 PM MDT | Red Flag Warning | PUB | 29 hr |
| May 29, 3:45 AM MDT | Red Flag Warning | PUB | 41 hr |
| May 30, 10:12 PM MDT | Red Flag Warning | PUB | 23 hr |
| May 31, 3:19 PM MDT | Fire Weather Watch | PUB | 36 hr |
| Jun 1, 1:24 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 1, 2:16 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 1, 3:20 PM MDT | Red Flag Warning | PUB | 30 hr |
| Jun 1, 5:22 PM MDT | Mesoscale Discussion | SPC | 53 min |
| Jun 1, 6:01 PM MDT | Severe Thunderstorm Warning | PUB | 59 min |
| Jun 4, 3:47 AM MDT | Fire Weather Watch | PUB | 36 hr |
| Jun 5, 3:17 PM MDT | Fire Weather Watch | PUB | 24 hr |
| Jun 5, 3:17 PM MDT | Red Flag Warning | PUB | 30 hr |
| Jun 6, 3:31 PM MDT | Red Flag Warning | PUB | 29 hr |
| Jun 7, 4:04 AM MDT | Fire Weather Watch | PUB | 11 hr |
| Jun 7, 3:30 PM MDT | Red Flag Warning | PUB | 30 hr |
| Jun 11, 11:44 AM MDT | Mesoscale Discussion | SPC | 91 min |
| Jun 11, 12:09 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 11, 3:01 PM MDT | Severe Thunderstorm Warning | PUB | 59 min |
| Jun 11, 3:40 PM MDT | Severe Thunderstorm Warning | PUB | 65 min |
| Jun 11, 4:14 PM MDT | Severe Thunderstorm Warning | PUB | 16 min |
| Jun 11, 4:43 PM MDT | Mesoscale Discussion | SPC | 62 min |
| Jun 11, 9:03 PM MDT | Fire Weather Watch | PUB | 17 hr |
| Jun 14, 3:26 PM MDT | Fire Weather Watch | PUB | 21 hr |
| Jun 15, 12:09 PM MDT | Red Flag Warning | PUB | 33 hr |
| Jun 17, 12:58 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 17, 2:41 PM MDT | Fire Weather Watch | PUB | 25 hr |
| Jun 17, 7:27 PM MDT | Mesoscale Discussion | SPC | 93 min |
| Jun 17, 7:37 PM MDT | Severe Thunderstorm Warning | PUB | 53 min |
| Jun 17, 8:36 PM MDT | Severe Thunderstorm Warning | PUB | 39 min |
| Jun 17, 9:10 PM MDT | Severe Thunderstorm Warning | PUB | 65 min |
| Jun 18, 12:31 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 18, 3:03 PM MDT | Red Flag Warning | PUB | 30 hr |
| Jun 18, 4:15 PM MDT | Mesoscale Discussion | SPC | 90 min |
| Jun 20, 7:05 AM MDT | Mesoscale Discussion | SPC | 55 min |
| Jun 20, 7:17 AM MDT | Severe Thunderstorm Warning | PUB | 46 min |
| Jun 20, 7:31 AM MDT | Severe Thunderstorm Warning | PUB | 34 min |
| Jun 24, 2:40 PM MDT | Fire Weather Watch | PUB | 24 hr |
| Jun 28, 4:35 AM MDT | Fire Weather Watch | PUB | 34 hr |
| Jun 28, 2:29 PM MDT | Mesoscale Discussion | SPC | 91 min |
| Jun 29, 2:42 PM MDT | Red Flag Warning | PUB | 30 hr |
| Jul 6, 2:38 PM MDT | Mesoscale Discussion | SPC | 67 min |
| Jul 6, 2:56 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 6, 5:16 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Jul 6, 8:49 PM MDT | Severe Thunderstorm Warning | PUB | 56 min |
| Jul 6, 9:43 PM MDT | Severe Thunderstorm Warning | PUB | 37 min |
| Jul 6, 9:51 PM MDT | Mesoscale Discussion | SPC | 84 min |
| Jul 7, 1:17 PM MDT | Mesoscale Discussion | SPC | 58 min |
| Jul 8, 4:57 PM MDT | Severe Thunderstorm Warning | PUB | 31 min |
| Jul 9, 1:52 PM MDT | Mesoscale Discussion | SPC | 53 min |
| Jul 9, 2:13 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 9, 3:02 PM MDT | Severe Thunderstorm Warning | PUB | 43 min |
| Jul 9, 3:45 PM MDT | Severe Thunderstorm Warning | PUB | 60 min |
| Jul 9, 3:57 PM MDT | Severe Thunderstorm Warning | PUB | 63 min |
| Jul 9, 7:11 PM MDT | Mesoscale Discussion | SPC | 94 min |
| Jul 10, 3:02 PM MDT | Mesoscale Discussion | SPC | 118 min |
| Jul 12, 2:07 PM MDT | Mesoscale Discussion | SPC | 53 min |
| Jul 21, 5:16 PM MDT | Severe Thunderstorm Warning | PUB | 59 min |
| Jul 21, 5:58 PM MDT | Severe Thunderstorm Warning | PUB | 26 min |
| Jul 27, 4:10 PM MDT | Mesoscale Discussion | SPC | 65 min |
| Jul 28, 3:05 PM MDT | Mesoscale Discussion | SPC | 115 min |
| Jul 28, 6:46 PM MDT | Severe Thunderstorm Warning | PUB | 59 min |
| Jul 28, 7:13 PM MDT | Severe Thunderstorm Warning | PUB | 62 min |
| Aug 2, 8:04 PM MDT | Areal Flood Advisory | PUB | 3 hr |
| Aug 4, 7:08 PM MDT | Severe Thunderstorm Warning | PUB | 67 min |
| Aug 4, 7:39 PM MDT | Severe Thunderstorm Warning | PUB | 66 min |
| Aug 11, 7:00 PM MDT | Severe Thunderstorm Warning | PUB | 45 min |
| Aug 11, 7:45 PM MDT | Severe Thunderstorm Warning | PUB | 45 min |
| Aug 16, 4:16 PM MDT | Severe Thunderstorm Warning | PUB | 44 min |
| Aug 17, 4:43 PM MDT | Mesoscale Discussion | SPC | 62 min |
| Aug 17, 6:19 PM MDT | Mesoscale Discussion | SPC | 56 min |
| Aug 17, 6:37 PM MDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Aug 17, 6:53 PM MDT | Severe Thunderstorm Warning | PUB | 52 min |
| Aug 17, 9:17 PM MDT | Mesoscale Discussion | SPC | 58 min |
| Sep 16, 12:30 PM MDT | Mesoscale Discussion | SPC | 60 min |
| Oct 4, 4:27 AM MDT | Red Flag Warning | PUB | 15 hr |
| Oct 5, 2:36 PM MDT | High Wind Watch | PUB | 14 hr |
| Oct 6, 4:06 AM MDT | High Wind Warning | PUB | 16 hr |
| Oct 6, 4:11 AM MDT | Red Flag Warning | PUB | 15 hr |
| Oct 7, 5:33 PM MDT | Tornado Watch | SPC | 7 hr |
| Oct 7, 8:10 PM MDT | Severe Thunderstorm Warning | PUB | 20 min |
| Oct 7, 8:59 PM MDT | Tornado Warning | PUB | 15 min |
| Oct 17, 3:54 AM MDT | Freeze Watch | PUB | 11 hr |
| Oct 17, 3:22 PM MDT | Freeze Warning | PUB | 18 hr |
| Oct 18, 11:28 AM MDT | Freeze Warning | PUB | 22 hr |
| Oct 23, 10:33 AM MDT | Fire Weather Watch | PUB | 4 hr |
| Oct 23, 2:56 PM MDT | Red Flag Warning | PUB | 28 hr |
| Nov 1, 4:41 AM MDT | High Wind Watch | PUB | 6 hr |
| Nov 1, 10:52 AM MDT | Winter Weather Advisory | PUB | 28 hr |
| Nov 2, 3:54 AM MDT | Mesoscale Discussion | SPC | 5 hr |
| Nov 2, 6:58 AM MDT | Mesoscale Discussion | SPC | 5 hr |
| Nov 4, 2:17 PM MDT | High Wind Watch | PUB | 7 hr |
| Nov 4, 2:27 PM MDT | Red Flag Warning | PUB | 28 hr |
| Nov 4, 9:13 PM MDT | High Wind Warning | PUB | 21 hr |
| Nov 6, 3:17 PM MST | Winter Storm Watch | PUB | 13 hr |
| Nov 7, 4:12 AM MST | Winter Storm Warning | PUB | 32 hr |
| Nov 25, 3:32 PM MST | Fire Weather Watch | PUB | 12 hr |
| Dec 1, 9:33 PM MST | Winter Storm Watch | PUB | 18 hr |
| Dec 2, 3:40 AM MST | Winter Weather Advisory | PUB | 36 hr |
| Dec 5, 2:18 PM MST | Wind Chill Advisory | PUB | 19 hr |
| Dec 17, 3:14 PM MST | Winter Storm Watch | PUB | 24 hr |
| Dec 18, 3:29 PM MST | Blizzard Warning | PUB | 36 hr |
| Dec 19, 9:36 AM MST | Winter Weather Advisory | PUB | 22 hr |
| Dec 19, 11:43 AM MST | Mesoscale Discussion | SPC | 5 hr |
| Dec 30, 2:55 PM MST | High Wind Warning | PUB | 26 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 | 27 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 7 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 30 |
| Flooding | |
| Areal Flood Advisory | 1 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 8 |
| Cold | |
| Freeze Warning | 5 |
| Wind Chill Warning | 1 |
| Freeze Watch | 3 |
| Wind Chill Watch | 1 |
| Wind Chill Advisory | 4 |
| Wind and dust | |
| High Wind Warning | 6 |
| High Wind Watch | 4 |
| Fire | |
| Red Flag Warning | 38 |
| Fire Weather Watch | 35 |
| 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 archive20102012
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.