Alert archive / Hawaii / Flash Flood Watches in 2015
Flash Flood Watch 9, NWS Honolulu, HI
NWS Honolulu, HI issued this flash flood watch at Sep 20, 2015, 3:37 PM HST for Hawaii County, Kalawao County, Hawaii. It was in force for 23 hr.
The area
The counties it named.
The facts
- Issued
- Sep 20, 2015, 3:37 PM HST (01:37 UTC)
- Expired
- Sep 21, 2015, 3:02 PM HST
- In force
- 23 hr
- Issued by
- NWS Honolulu, HI
- Flood severity
- None
Counties Hawaii County, HI, Kalawao County, HI
The radar
The Kamuela/Kohala Apt radar (PHKM), 57 km from the middle of the area, began a volume at 01:36 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 Sep 20, 9:50 AM HST, 5 hours 47 minutes earlier.
Area forecast discussion, Sep 20, 9:50 AM HST, 5 hours 47 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 |
|---|---|---|---|---|
| Sep 20, 3:48 PM HST | Small Craft Advisory | HFO | 10 days | |
| Sep 20, 3:57 PM HST | Areal Flood Advisory | HFO | Hawaii | 9 hr |
| Sep 21, 3:20 AM HST | High Surf Advisory | HFO | Hawaii, Honolulu, Kauai, Kalawao | 25 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.