Alert archive / Colorado / Areal Flood Advisories / 2021
Areal Flood Advisories in Colorado, May 2021
16 areal flood advisories in May 2021. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of areal flood advisories reaches back to 2005.
Areal Flood Advisories by county
Each county as a circle sized by its count in May 2021. Tap one for its archive.
- Areal Flood Advisories
- 16
- Busiest day
- May 17, 20214 areal flood advisories
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 | Counties | Lasted |
|---|---|---|---|---|
| May 2, 5:47 PM MDT | Areal Flood Advisory | BOU | Boulder | 88 min |
| May 16, 1:33 PM MDT | Areal Flood Advisory | BOU | Jackson | 87 min |
| May 16, 5:22 PM MDT | Areal Flood Advisory | BOU | Lincoln | 113 min |
| May 17, 12:39 PM MDT | Areal Flood Advisory | BOU | Larimer | 81 min |
| May 17, 2:22 PM MDT | Areal Flood Advisory | BOU | Grand | 113 min |
| May 17, 3:45 PM MDT | Areal Flood Advisory | BOU | Boulder | 75 min |
| May 17, 4:54 PM MDT | Areal Flood Advisory | BOU | Jefferson | 3 hr |
| May 19, 11:35 AM MDT | Areal Flood Advisory | BOU | Larimer | 85 min |
| May 19, 11:53 AM MDT | Areal Flood Advisory | BOU | Grand | 82 min |
| May 19, 12:43 PM MDT | Areal Flood Advisory | BOU | Larimer | 69 min |
| May 19, 1:18 PM MDT | Areal Flood Advisory | BOU | Larimer | 87 min |
| May 23, 4:06 PM MDT | Areal Flood Advisory | BOU | Washington | 3 hr |
| May 23, 5:12 PM MDT | Areal Flood Advisory | BOU | Logan, Washington | 104 min |
| May 29, 3:39 PM MDT | Areal Flood Advisory | BOU | Larimer | 83 min |
| May 30, 9:10 AM MDT | Areal Flood Advisory | BOU | Larimer | 110 min |
| May 30, 2:06 PM MDT | Areal Flood Advisory | BOU | Park | 84 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.