Alert archive / Guam / 2018
Weather alerts in Guam, September 2018
33 weather alerts in September 2018, 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
- 33
- Warnings
- 4
- Watches
- 4
- Advisories
- 20
- Busiest day
- September 10, 20186 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 1, 1:38 PM CDT | High Surf Advisory | GUM | 37 hr | |
| Sep 5, 9:15 PM CDT | Areal Flood Advisory | GUM | 2 hr | |
| Sep 8, 8:00 AM CDT | Typhoon Watch | GUM | 17 hr | |
| Sep 9, 12:42 AM CDT | Typhoon Warning | GUM | 40 hr | |
| Sep 10, 1:15 AM CDT | Areal Flood Advisory | GUM | 9 hr | |
| Sep 10, 4:18 AM CDT | Flash Flood Warning | GUM | 6 hr | |
| Sep 10, 5:42 AM CDT | Flash Flood Warning | GUM | 5 hr | |
| Sep 10, 3:52 PM CDT | Hurricane Local Statement | GUM | 23 hr | |
| Sep 10, 4:20 PM CDT | Small Craft Advisory | GUM | 23 hr | |
| Sep 10, 4:41 PM CDT | High Surf Advisory | GUM | 6 days | |
| Sep 13, 3:30 AM CDT | Areal Flood Advisory | GUM | 3 hr | |
| Sep 14, 6:55 PM CDT | Areal Flood Advisory | GUM | 2 hr | |
| Sep 14, 6:58 PM CDT | Areal Flood Advisory | GUM | 2 hr | |
| Sep 14, 7:10 PM CDT | Areal Flood Advisory | GUM | 2 hr | |
| Sep 20, 2:59 AM CDT | Small Craft Advisory for Winds | GUM | 10 hr | |
| Sep 20, 12:41 PM CDT | Small Craft Advisory | GUM | 44 hr | |
| Sep 20, 5:51 PM CDT | Tropical Storm Watch | GUM | 2 hr | |
| Sep 20, 7:47 PM CDT | Flash Flood Warning | GUM | 6 hr | |
| Sep 20, 8:15 PM CDT | Hurricane Local Statement | GUM | 21 min | |
| Sep 20, 8:36 PM CDT | Tropical Storm Watch | GUM | 9 hr | |
| Sep 21, 4:48 AM CDT | Hurricane Local Statement | GUM | 34 hr | |
| Sep 21, 6:43 AM CDT | Areal Flood Advisory | GUM | 3 hr | |
| Sep 21, 9:37 AM CDT | Areal Flood Advisory | GUM | 4 hr | |
| Sep 21, 9:56 PM CDT | Areal Flood Advisory | GUM | 3 hr | |
| Sep 21, 9:56 PM CDT | Areal Flood Advisory | GUM | 3 hr | |
| Sep 27, 1:20 AM CDT | Rip Current Statement | GUM | 71 hr | |
| Sep 27, 1:20 AM CDT | High Surf Advisory | GUM | 14 hr | |
| Sep 27, 1:20 AM CDT | High Surf Advisory | GUM | 71 hr | |
| Sep 28, 12:22 AM CDT | Tropical Storm Watch | GUM | 7 days | |
| Sep 28, 7:59 AM CDT | Small Craft Advisory | GUM | 31 hr | |
| Sep 28, 5:48 PM CDT | Areal Flood Advisory | GUM | 3 hr | |
| Sep 30, 12:21 AM CDT | Rip Current Statement | GUM | 3 days | |
| Sep 30, 12:21 AM CDT | High Surf Advisory | GUM | 3 days |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Flooding | |
| Flash Flood Warning | 3 |
| Areal Flood Advisory | 11 |
| Tropical | |
| Typhoon Warning | 1 |
| Tropical Storm Watch | 3 |
| Typhoon Watch | 1 |
| Hurricane Local Statement | 3 |
| Coast and beach | |
| High Surf Advisory | 5 |
| Rip Current Statement | 2 |
| Marine | |
| Small Craft Advisory | 3 |
| Small Craft Advisory for Winds | 1 |
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.