Alert archive / Hawaii / Flash Flood Watches in 2015
Flash Flood Watch 4, NWS Honolulu, HI
NWS Honolulu, HI issued this flash flood watch at Aug 18, 2015, 7:52 AM HST for 4 counties in Hawaii. It was in force for 32 hr.
The area
The counties it named.
The facts
- Issued
- Aug 18, 2015, 7:52 AM HST (17:52 UTC)
- Expired
- Aug 19, 2015, 3:29 PM HST
- In force
- 32 hr
- Issued by
- NWS Honolulu, HI
- Flood severity
- None
Counties Hawaii County, HI, Honolulu County, HI, Kalawao County, HI, Kauai County, HI
The radar
The Molokai radar (PHMO), 38 km from the middle of the area, began a volume at 17:54 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What forecasters said that day
The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Honolulu, HI wrote its last area forecast discussion before this flash flood watch went out at Aug 18, 3:30 AM HST, 4 hours 22 minutes earlier.
Area forecast discussion, Aug 18, 3:30 AM HST, 4 hours 22 minutes before
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</html>The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 3:50 PM HST | Areal Flood Advisory | HFO | Kalawao | 5 hr |
| Aug 17, 4:10 PM HST | Flash Flood Warning | HFO | Hawaii | 5 hr |
| Aug 17, 6:27 PM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Aug 17, 8:00 PM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Aug 17, 8:24 PM HST | Flash Flood Warning | HFO | Honolulu | 3 hr |
| Aug 17, 9:05 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Aug 17, 11:07 PM HST | Areal Flood Advisory | HFO | Honolulu | 113 min |
| Aug 17, 11:46 PM HST | Areal Flood Advisory | HFO | Kauai | 3 hr |
| Aug 18, 11:14 AM HST | Areal Flood Advisory | HFO | Kalawao | 11 hr |
| Aug 18, 11:59 AM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Aug 18, 12:02 PM HST | Areal Flood Advisory | HFO | Kauai | 4 hr |
| Aug 18, 12:29 PM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Aug 18, 1:44 PM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
Nearby
Flash Flood Watches in Hawaii, 2015Every flash flood watch in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.