Alert archive / Guam / Tropical Storm Watches
Tropical Storm Watches in Guam, 2021
3 tropical storm watches in 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 tropical storm watches reaches back to 2005.
- Tropical Storm Watches
- 3
- Busiest month
- June1 tropical storm watches
- Busiest day
- June 21, 20211 tropical storm watches
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 12:19 AM CDT | Tropical Storm Watch | GUM | 22 hr | |
| Aug 14, 6:58 PM CDT | Tropical Storm Watch | GUM | 34 hr | |
| Sep 22, 6:04 PM CDT | Tropical Storm Watch | GUM | 3 hr |
The busiest days
Days with the most alerts issued, by UTC date.
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. Rebuilt daily.