Alert archive / Colorado / Alamosa County
Weather alerts in Alamosa County, Colorado, 2008
100 weather alerts in 2008, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Alamosa County and its neighbors
Each county as a circle sized by its count in 2008. Tap one for its archive.
- Alerts
- 100
- Warnings
- 43
- Watches
- 31
- Advisories
- 24
- Busiest month
- April24 alerts
- Busiest day
- March 1, 20083 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 3 tornado warnings covering Alamosa County in 2008 had a tornado report inside them; 2 of 3 tornado reports fell inside a warning, on average 0 minutes after it went out.
Alamosa County, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 1 | 67% | 3 | 67% | 0 min |
| Severe thunderstorm warnings | 4 | 1 | 75% | 2 | 100% | 26 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Pueblo, CO: tornado warnings | 23 | 3 | 87% | 13 | 31% | 1 min |
| NWS Pueblo, CO: severe thunderstorm warnings | 191 | 44 | 77% | 77 | 82% | 21 min |
| NWS Pueblo, CO: flash flood warnings | 11 | 0 | 100% | 0 |
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 5, 4:51 AM MST | High Wind Warning | PUB | 12 hr |
| Jan 5, 3:02 PM MST | Snow and Blowing Snow Advisory | PUB | 56 hr |
| Jan 7, 10:25 AM MST | Snow Advisory | PUB | 13 hr |
| Jan 15, 2:30 PM MST | Snow and Blowing Snow Advisory | PUB | 25 hr |
| Jan 27, 4:46 AM MST | Snow and Blowing Snow Advisory | PUB | 42 hr |
| Jan 27, 12:51 PM MST | High Wind Warning | PUB | 39 hr |
| Feb 2, 3:40 PM MST | Winter Storm Warning | PUB | 68 hr |
| Feb 3, 3:53 PM MST | Heavy Snow Warning | PUB | 19 hr |
| Feb 12, 3:15 AM MST | Winter Storm Watch | PUB | 37 hr |
| Feb 13, 4:06 AM MST | Snow and Blowing Snow Advisory | PUB | 43 hr |
| Feb 13, 4:06 AM MST | Winter Storm Warning | PUB | 43 hr |
| Feb 20, 4:07 AM MST | Snow Advisory | PUB | 42 hr |
| Feb 22, 3:47 AM MST | Winter Storm Watch | PUB | 6 hr |
| Feb 22, 9:37 AM MST | Snow Advisory | PUB | 26 hr |
| Mar 1, 3:14 AM MST | Snow and Blowing Snow Advisory | PUB | 47 hr |
| Mar 1, 3:14 AM MST | Winter Storm Watch | PUB | 12 hr |
| Mar 1, 3:16 PM MST | Winter Storm Warning | PUB | 35 hr |
| Mar 5, 7:40 AM MST | Heavy Snow Warning | PUB | 19 hr |
| Mar 7, 3:41 PM MST | Winter Storm Watch | PUB | 23 hr |
| Mar 8, 2:58 PM MST | Snow Advisory | PUB | 15 hr |
| Mar 16, 4:59 AM MDT | Snow and Blowing Snow Advisory | PUB | 30 hr |
| Mar 16, 11:59 AM MDT | Winter Storm Warning | PUB | 21 hr |
| Apr 2, 3:00 PM MDT | Snow Advisory | PUB | 30 hr |
| Apr 4, 4:26 AM MDT | Fire Weather Watch | PUB | 13 hr |
| Apr 4, 3:27 PM MDT | Red Flag Warning | PUB | 29 hr |
| Apr 8, 7:02 AM MDT | Winter Storm Watch | PUB | 32 hr |
| Apr 9, 2:48 PM MDT | Snow and Blowing Snow Advisory | PUB | 21 hr |
| Apr 11, 10:39 AM MDT | Snow Advisory | PUB | 7 hr |
| Apr 14, 4:21 AM MDT | Fire Weather Watch | PUB | 11 hr |
| Apr 14, 3:40 PM MDT | Red Flag Warning | PUB | 35 hr |
| Apr 16, 4:19 AM MDT | Winter Storm Warning | PUB | 32 hr |
| Apr 16, 5:01 AM MDT | Red Flag Warning | PUB | 13 hr |
| Apr 18, 3:15 PM MDT | Fire Weather Watch | PUB | 14 hr |
| Apr 19, 4:56 AM MDT | Red Flag Warning | PUB | 40 hr |
| Apr 19, 4:56 AM MDT | Red Flag Warning | PUB | 15 hr |
| Apr 20, 2:51 PM MDT | Fire Weather Watch | PUB | 14 hr |
| Apr 21, 4:36 AM MDT | Red Flag Warning | PUB | 16 hr |
| Apr 21, 3:16 PM MDT | Fire Weather Watch | PUB | 25 hr |
| Apr 21, 3:16 PM MDT | Fire Weather Watch | PUB | 14 hr |
| Apr 22, 4:36 AM MDT | Red Flag Warning | PUB | 16 hr |
| Apr 22, 4:19 PM MDT | Red Flag Warning | PUB | 30 hr |
| Apr 23, 4:45 AM MDT | Fire Weather Watch | PUB | 10 hr |
| Apr 23, 3:10 PM MDT | Red Flag Warning | PUB | 30 hr |
| Apr 28, 3:28 PM MDT | Red Flag Warning | PUB | 30 hr |
| Apr 29, 5:52 AM MDT | Fire Weather Watch | PUB | 6 hr |
| Apr 29, 12:05 PM MDT | Red Flag Warning | PUB | 52 hr |
| May 1, 3:01 PM MDT | Freeze Warning | PUB | 17 hr |
| May 8, 4:46 AM MDT | Fire Weather Watch | PUB | 23 hr |
| May 9, 3:37 AM MDT | Red Flag Warning | PUB | 17 hr |
| May 9, 10:12 PM MDT | Red Flag Warning | PUB | 22 hr |
| May 10, 1:50 PM MDT | Fire Weather Watch | PUB | 15 hr |
| May 11, 4:25 AM MDT | Fire Weather Watch | PUB | 5 hr |
| May 11, 9:41 AM MDT | Red Flag Warning | PUB | 35 hr |
| May 17, 3:51 PM MDT | Fire Weather Watch | PUB | 12 hr |
| May 18, 4:19 AM MDT | Red Flag Warning | PUB | 17 hr |
| May 19, 4:30 AM MDT | Fire Weather Watch | PUB | 48 hr |
| May 20, 3:46 PM MDT | Red Flag Warning | PUB | 29 hr |
| May 20, 5:15 PM MDT | Mesoscale Discussion | SPC | 60 min |
| May 24, 3:22 PM MDT | Fire Weather Watch | PUB | 13 hr |
| May 25, 4:39 AM MDT | Red Flag Warning | PUB | 16 hr |
| May 25, 3:05 PM MDT | Fire Weather Watch | PUB | 13 hr |
| May 26, 4:30 AM MDT | Red Flag Warning | PUB | 16 hr |
| May 28, 9:20 PM MDT | Severe Thunderstorm Warning | PUB | 23 min |
| Jun 3, 1:32 PM MDT | Red Flag Warning | PUB | 31 hr |
| Jun 5, 2:50 PM MDT | Fire Weather Watch | PUB | 15 hr |
| Jun 6, 3:27 PM MDT | Red Flag Warning | PUB | 29 hr |
| Jun 7, 9:05 PM MDT | Fire Weather Watch | PUB | 6 hr |
| Jun 8, 3:27 AM MDT | Red Flag Warning | PUB | 17 hr |
| Jun 9, 2:41 PM MDT | Red Flag Warning | PUB | 30 hr |
| Jun 10, 4:58 AM MDT | Fire Weather Watch | PUB | 23 hr |
| Jun 11, 3:44 AM MDT | Fire Weather Watch | PUB | 22 hr |
| Jun 11, 3:44 AM MDT | Red Flag Warning | PUB | 18 hr |
| Jun 12, 1:16 AM MDT | Red Flag Warning | PUB | 20 hr |
| Jul 27, 9:32 PM MDT | Areal Flood Advisory | PUB | 3 hr |
| Aug 5, 12:33 PM MDT | Areal Flood Advisory | PUB | 3 hr |
| Aug 7, 10:55 AM MDT | Flash Flood Watch | PUB | 13 hr |
| Aug 8, 10:13 AM MDT | Flash Flood Watch | PUB | 11 hr |
| Aug 8, 4:15 PM MDT | Tornado Warning | PUB | 60 min |
| Aug 9, 4:04 AM MDT | Flash Flood Watch | PUB | 18 hr |
| Aug 10, 4:24 AM MDT | Flash Flood Watch | PUB | 16 hr |
| Aug 15, 1:36 PM MDT | Mesoscale Discussion | SPC | 84 min |
| Aug 15, 3:06 PM MDT | Flash Flood Watch | PUB | 56 hr |
| Aug 15, 3:41 PM MDT | Severe Thunderstorm Warning | PUB | 30 min |
| Aug 16, 1:47 PM MDT | Tornado Warning | PUB | 58 min |
| Aug 16, 2:45 PM MDT | Severe Thunderstorm Warning | PUB | 60 min |
| Aug 16, 3:26 PM MDT | Tornado Warning | PUB | 33 min |
| Sep 3, 1:38 PM MDT | Severe Thunderstorm Warning | PUB | 75 min |
| Sep 23, 12:16 PM MDT | Frost Advisory | PUB | 19 hr |
| Nov 20, 2:49 AM MST | Winter Weather Advisory | PUB | 9 hr |
| Nov 28, 3:28 AM MST | Winter Storm Watch | PUB | 10 hr |
| Nov 28, 1:04 PM MST | Winter Weather Advisory | PUB | 15 hr |
| Dec 4, 4:45 AM MST | Winter Weather Advisory | PUB | 15 hr |
| Dec 7, 4:49 AM MST | Winter Storm Watch | PUB | 16 hr |
| Dec 7, 9:05 PM MST | Winter Storm Warning | PUB | 35 hr |
| Dec 7, 9:05 PM MST | Winter Weather Advisory | PUB | 35 hr |
| Dec 14, 3:53 PM MST | Winter Weather Advisory | PUB | 47 hr |
| Dec 17, 5:03 AM MST | Winter Weather Advisory | PUB | 34 hr |
| Dec 21, 3:05 PM MST | Winter Weather Advisory | PUB | 53 hr |
| Dec 24, 4:55 AM MST | Winter Weather Advisory | PUB | 59 hr |
| Dec 25, 3:22 PM MST | High Wind Warning | PUB | 19 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 | 4 |
| Tornado Warning | 3 |
| Mesoscale Discussion | 2 |
| Flooding | |
| Flash Flood Watch | 5 |
| Areal Flood Advisory | 2 |
| Winter | |
| Heavy Snow Warning | 2 |
| Winter Storm Warning | 6 |
| Winter Storm Watch | 7 |
| Snow Advisory | 6 |
| Snow and Blowing Snow Advisory | 7 |
| Winter Weather Advisory | 8 |
| Cold | |
| Freeze Warning | 1 |
| Frost Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 3 |
| Fire | |
| Red Flag Warning | 24 |
| Fire Weather Watch | 19 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20072009
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.