Alert archive / Guam / 2017
Weather alerts in Guam, October 2017
20 weather alerts in October 2017, 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
- 8
- Watches
- 1
- Advisories
- 11
- Busiest day
- October 17, 20175 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 |
|---|---|---|---|---|
| Oct 16, 2:41 AM CDT | Small Craft Advisory for Winds | GUM | 13 hr | |
| Oct 17, 4:42 AM CDT | Areal Flood Advisory | GUM | 2 hr | |
| Oct 17, 12:58 PM CDT | High Wind Warning | GUM | 62 min | |
| Oct 17, 3:00 PM CDT | Small Craft Advisory for Winds | GUM | 13 hr | |
| Oct 17, 3:00 PM CDT | Small Craft Advisory for Winds | GUM | 13 hr | |
| Oct 17, 6:41 PM CDT | High Surf Advisory | GUM | 7 hr | |
| Oct 17, 10:44 PM CDT | Wind Advisory | GUM | 5 hr | |
| Oct 17, 11:49 PM CDT | Special Marine Warning | GUM | 86 min | |
| Oct 18, 1:10 AM CDT | Wind Advisory | GUM | 3 hr | |
| Oct 18, 2:00 AM CDT | High Surf Advisory | GUM | 3 days | |
| Oct 18, 8:50 PM CDT | Special Marine Warning | GUM | 85 min | |
| Oct 20, 12:38 AM CDT | Tropical Storm Watch | GUM | 4 days | |
| Oct 21, 4:42 AM CDT | High Surf Warning | GUM | 46 hr | |
| Oct 21, 5:42 AM CDT | High Surf Advisory | GUM | 4 days | |
| Oct 21, 2:45 PM CDT | Hazardous Seas Warning | GUM | 23 hr | |
| Oct 22, 3:06 PM CDT | Hazardous Seas Warning | GUM | 12 hr | |
| Oct 23, 3:08 PM CDT | Hazardous Seas Warning | GUM | 16 hr | |
| Oct 23, 3:11 PM CDT | High Surf Warning | GUM | 16 hr | |
| Oct 23, 4:11 PM CDT | High Surf Advisory | GUM | 33 hr | |
| Oct 23, 7:46 PM CDT | Wind Advisory | GUM | 7 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 | |
| High Wind Warning | 1 |
| Wind Advisory | 3 |
| Tropical | |
| Tropical Storm Watch | 1 |
| Coast and beach | |
| High Surf Warning | 2 |
| High Surf Advisory | 4 |
| Marine | |
| Hazardous Seas Warning | 3 |
| Special Marine Warning | 2 |
| Small Craft Advisory for Winds | 3 |
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.