Alert archive / Hawaii / 2020
Weather alerts in Hawaii, September 2020
8 weather alerts in September 2020, 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.
Weather alerts by county
Each county as a circle sized by its count in September 2020. Tap one for its archive.
- Alerts
- 8
- Warnings
- 2
- Watches
- 0
- Advisories
- 6
- Busiest day
- September 5, 20202 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Hawaii-Aleutian Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 3:28 PM HST | Small Craft Advisory | HFO | 48 hr | |
| Sep 5, 3:46 AM HST | Red Flag Warning | HFO | 36 hr | |
| Sep 8, 3:18 PM HST | Small Craft Advisory | HFO | 4 days | |
| Sep 9, 3:37 PM HST | Red Flag Warning | HFO | 24 hr | |
| Sep 17, 3:18 PM HST | Small Craft Advisory | HFO | 4 days | |
| Sep 21, 8:19 PM HST | Small Craft Advisory | HFO | 4 days | |
| Sep 23, 3:02 PM HST | Areal Flood Advisory | HFO | Hawaii | 9 hr |
| Sep 23, 6:02 PM HST | Areal Flood Advisory | HFO | Kalawao | 3 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 | 2 |
| Fire | |
| Red Flag Warning | 2 |
| Marine | |
| Small Craft Advisory | 4 |
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 archive20192021
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.