Alert archive / Colorado / Weld County / 2009
Weather alerts in Weld County, Colorado, July 2009
63 weather alerts in July 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 63
- Warnings
- 27
- Watches
- 8
- Advisories
- 3
- Busiest day
- July 6, 20098 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|
| Jul 1, 12:33 PM MDT | Mesoscale Discussion | SPC | 117 min |
| Jul 1, 6:10 PM MDT | Special Weather Statement | BOU | 50 min |
| Jul 1, 6:21 PM MDT | Severe Thunderstorm Warning | BOU | 25 min |
| Jul 1, 6:38 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 1, 9:19 PM MDT | Mesoscale Discussion | SPC | 56 min |
| Jul 2, 6:29 PM MDT | Mesoscale Discussion | SPC | 61 min |
| Jul 3, 2:48 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 3, 3:19 PM MDT | Severe Thunderstorm Warning | BOU | 41 min |
| Jul 3, 3:59 PM MDT | Severe Thunderstorm Warning | BOU | 30 min |
| Jul 3, 4:10 PM MDT | Areal Flood Advisory | BOU | 95 min |
| Jul 3, 5:25 PM MDT | Mesoscale Discussion | SPC | 65 min |
| Jul 3, 8:43 PM MDT | Mesoscale Discussion | SPC | 32 min |
| Jul 3, 9:04 PM MDT | Severe Thunderstorm Warning | BOU | 29 min |
| Jul 4, 1:52 PM MDT | Mesoscale Discussion | SPC | 113 min |
| Jul 4, 3:43 PM MDT | Severe Thunderstorm Warning | BOU | 62 min |
| Jul 5, 1:44 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 5, 3:44 PM MDT | Severe Thunderstorm Warning | BOU | 61 min |
| Jul 5, 6:15 PM MDT | Mesoscale Discussion | SPC | 60 min |
| Jul 6, 12:22 PM MDT | Mesoscale Discussion | SPC | 113 min |
| Jul 6, 1:40 PM MDT | Mesoscale Discussion | SPC | 95 min |
| Jul 6, 2:07 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 6, 3:13 PM MDT | Special Weather Statement | BOU | 47 min |
| Jul 6, 4:36 PM MDT | Special Weather Statement | BOU | 39 min |
| Jul 6, 4:48 PM MDT | Severe Thunderstorm Warning | BOU | 17 min |
| Jul 6, 5:35 PM MDT | Mesoscale Discussion | SPC | 55 min |
| Jul 7, 8:27 PM MDT | Special Weather Statement | BOU | 33 min |
| Jul 10, 10:51 PM MDT | Severe Thunderstorm Warning | BOU | 54 min |
| Jul 10, 10:56 PM MDT | Tornado Warning | BOU | 21 min |
| Jul 10, 11:02 PM MDT | Flash Flood Warning | BOU | 3 hr |
| Jul 11, 3:35 PM MDT | Mesoscale Discussion | SPC | 55 min |
| Jul 11, 3:56 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 11, 5:57 PM MDT | Severe Thunderstorm Warning | BOU | 63 min |
| Jul 11, 7:02 PM MDT | Severe Thunderstorm Warning | BOU | 28 min |
| Jul 11, 7:14 PM MDT | Severe Thunderstorm Warning | BOU | 43 min |
| Jul 11, 7:46 PM MDT | Mesoscale Discussion | SPC | 59 min |
| Jul 11, 7:55 PM MDT | Severe Thunderstorm Warning | BOU | 22 min |
| Jul 12, 2:05 PM MDT | Mesoscale Discussion | SPC | 85 min |
| Jul 12, 5:15 PM MDT | Severe Thunderstorm Warning | BOU | 60 min |
| Jul 12, 6:16 PM MDT | Severe Thunderstorm Warning | BOU | 59 min |
| Jul 12, 7:04 PM MDT | Severe Thunderstorm Warning | BOU | 29 min |
| Jul 13, 12:07 PM MDT | Mesoscale Discussion | SPC | 83 min |
| Jul 13, 1:45 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 17, 12:06 PM MDT | Mesoscale Discussion | SPC | 84 min |
| Jul 17, 12:59 PM MDT | Tornado Watch | SPC | 6 hr |
| Jul 18, 2:34 AM MDT | Severe Thunderstorm Warning | BOU | 41 min |
| Jul 18, 3:16 AM MDT | Severe Thunderstorm Warning | BOU | 24 min |
| Jul 20, 9:56 PM MDT | Severe Thunderstorm Warning | BOU | 34 min |
| Jul 20, 10:04 PM MDT | Severe Thunderstorm Warning | BOU | 41 min |
| Jul 20, 10:24 PM MDT | Severe Thunderstorm Warning | BOU | 51 min |
| Jul 20, 10:31 PM MDT | Severe Thunderstorm Warning | BOU | 44 min |
| Jul 20, 10:34 PM MDT | Areal Flood Advisory | BOU | 86 min |
| Jul 20, 10:56 PM MDT | Severe Thunderstorm Warning | BOU | 34 min |
| Jul 21, 12:02 AM MDT | Areal Flood Advisory | BOU | 88 min |
| Jul 21, 2:44 PM MDT | Mesoscale Discussion | SPC | 61 min |
| Jul 22, 1:16 PM MDT | Mesoscale Discussion | SPC | 89 min |
| Jul 22, 1:55 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 22, 5:23 PM MDT | Special Weather Statement | BOU | 22 min |
| Jul 22, 5:47 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jul 22, 6:03 PM MDT | Severe Thunderstorm Warning | BOU | 42 min |
| Jul 23, 1:25 PM MDT | Mesoscale Discussion | SPC | 65 min |
| Jul 27, 1:15 PM MDT | Special Weather Statement | BOU | 30 min |
| Jul 27, 2:28 PM MDT | Severe Thunderstorm Warning | BOU | 62 min |
| Jul 27, 3:28 PM MDT | Severe Thunderstorm Warning | BOU | 49 min |
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 | 25 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 7 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 19 |
| Special Weather Statement | 6 |
| Flooding | |
| Flash Flood Warning | 1 |
| Areal Flood Advisory | 3 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20082010
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.