Alert archive / Hawaii / 2020
Weather alerts in Hawaii, July 2020
19 weather alerts in July 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 July 2020. Tap one for its archive.
- Alerts
- 19
- Warnings
- 3
- Watches
- 3
- Advisories
- 13
- Busiest day
- July 25, 20204 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 |
|---|---|---|---|---|
| Jul 5, 2:02 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Jul 5, 6:38 PM HST | Areal Flood Advisory | HFO | Kauai | 2 hr |
| Jul 6, 3:27 PM HST | Small Craft Advisory | HFO | 7 days | |
| Jul 17, 3:26 PM HST | Small Craft Advisory | HFO | 4 days | |
| Jul 23, 3:18 AM HST | Small Craft Advisory | HFO | 4 days | |
| Jul 24, 5:44 AM HST | Hurricane Watch | HFO | Hawaii, Honolulu, Kalawao | 47 hr |
| Jul 24, 11:28 AM HST | Flash Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 3 days |
| Jul 24, 3:50 PM HST | High Surf Warning | HFO | Honolulu, Kalawao | 61 hr |
| Jul 24, 11:13 PM HST | Hurricane Warning | HFO | Honolulu, Kauai, Kalawao | 59 hr |
| Jul 24, 11:13 PM HST | Tropical Storm Warning | HFO | Hawaii, Kauai, Kalawao | 39 hr |
| Jul 25, 4:42 AM HST | Tropical Storm Watch | HFO | Kauai | 12 hr |
| Jul 26, 4:40 AM HST | High Surf Advisory | HFO | Honolulu, Kauai, Kalawao | 24 hr |
| Jul 26, 10:03 AM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Jul 26, 10:12 PM HST | Areal Flood Advisory | HFO | Kauai | 3 hr |
| Jul 26, 11:12 PM HST | Small Craft Advisory | HFO | 19 hr | |
| Jul 27, 12:56 AM HST | Areal Flood Advisory | HFO | Kauai | 3 hr |
| Jul 27, 4:24 AM HST | High Surf Advisory | HFO | Honolulu | 11 hr |
| Jul 27, 3:20 PM HST | Wind Advisory | HFO | Hawaii, Kalawao | 36 hr |
| Jul 27, 6:18 PM HST | Small Craft Advisory | HFO | 15 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 Watch | 1 |
| Areal Flood Advisory | 5 |
| Wind and dust | |
| Wind Advisory | 1 |
| Tropical | |
| Hurricane Warning | 1 |
| Tropical Storm Warning | 1 |
| Hurricane Watch | 1 |
| Tropical Storm Watch | 1 |
| Coast and beach | |
| High Surf Warning | 1 |
| High Surf Advisory | 2 |
| Marine | |
| Small Craft Advisory | 5 |
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. Warning verification from the Mesonet's Cow. Rebuilt daily.