Alert archive / Guam / 2009
Weather alerts in Guam, September 2009
20 weather alerts in September 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
- Alerts
- 20
- Warnings
- 2
- Watches
- 5
- Advisories
- 13
- Busiest day
- September 13, 20094 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| Sep 2, 2:30 PM CDT | High Surf Advisory | GUM | 5 days | |
| Sep 5, 2:57 PM CDT | Small Craft Advisory for Hazardous Seas | GUM | 34 hr | |
| Sep 12, 1:26 AM CDT | Tropical Storm Watch | GUM | 24 hr | |
| Sep 12, 1:26 AM CDT | Typhoon Watch | GUM | 60 hr | |
| Sep 13, 12:31 AM CDT | Tropical Storm Warning | GUM | 60 hr | |
| Sep 13, 6:22 AM CDT | Small Craft Advisory for Winds | GUM | 26 hr | |
| Sep 13, 6:31 AM CDT | Wind Advisory | GUM | 43 hr | |
| Sep 13, 7:08 AM CDT | High Surf Advisory | GUM | 5 days | |
| Sep 14, 12:41 AM CDT | Small Craft Advisory for Hazardous Seas | GUM | 8 hr | |
| Sep 14, 7:41 AM CDT | Small Craft Advisory | GUM | 4 days | |
| Sep 15, 11:51 AM CDT | Wind Advisory | GUM | 9 hr | |
| Sep 20, 7:37 PM CDT | High Surf Advisory | GUM | 55 hr | |
| Sep 27, 6:52 AM CDT | Tropical Storm Watch | GUM | 50 hr | |
| Sep 28, 4:17 AM CDT | Small Craft Advisory | GUM | 47 hr | |
| Sep 29, 6:18 AM CDT | Tropical Storm Warning | GUM | 20 hr | |
| Sep 29, 6:56 PM CDT | Areal Flood Advisory | GUM | 6 hr | |
| Sep 30, 2:06 AM CDT | High Surf Advisory | GUM | 9 hr | |
| Sep 30, 2:41 AM CDT | Small Craft Advisory for Hazardous Seas | GUM | 8 hr | |
| Sep 30, 11:15 AM CDT | Tropical Storm Watch | GUM | 38 hr | |
| Sep 30, 11:15 AM CDT | Typhoon Watch | GUM | 56 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Flooding | |
| Areal Flood Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 2 |
| Tropical | |
| Tropical Storm Warning | 2 |
| Tropical Storm Watch | 3 |
| Typhoon Watch | 2 |
| Coast and beach | |
| High Surf Advisory | 4 |
| Marine | |
| Small Craft Advisory | 2 |
| Small Craft Advisory for Hazardous Seas | 3 |
| Small Craft Advisory for Winds | 1 |
Nearby
Alerts in force nowTornadoes on recordThe 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. Rebuilt daily.