Alert archive / Hawaii / High Surf Advisories in 2017

High Surf Advisory 31, NWS Honolulu, HI

April 28, 2017Hawaii County, Kauai County, Kalawao County, Hawaii

NWS Honolulu, HI issued this high surf advisory at Apr 28, 2017, 3:40 AM HST for Hawaii County, Kauai County, Kalawao County, Hawaii. It took effect at Apr 28, 2017, 6:00 AM HST. It was in force for 46 hr.

The area

The counties it named.

The facts

Issued: Apr 28, 2017, 3:40 AM HST (13:40 UTC)
In effect from: Apr 28, 2017, 6:00 AM HST
Expired: Apr 30, 2017, 3:43 AM HST
In force: 46 hr
Issued by: NWS Honolulu, HI

Counties Hawaii County, HI, Kalawao County, HI, Kauai County, HI

The radar

The Molokai radar (PHMO), 32 km from the middle of the area, began a volume at 13:41 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 high surf advisory 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 high surf advisory went out at Apr 27, 9:03 PM HST, 6 hours 37 minutes earlier.

Area forecast discussion, Apr 27, 9:03 PM HST, 6 hours 37 minutes before

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The office that day

Everything else NWS Honolulu, HI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 27, 3:37 PM HST	Areal Flood Advisory	HFO	Honolulu	3 hr
Apr 27, 6:15 PM HST	Areal Flood Advisory	HFO	Honolulu	3 hr
Apr 28, 1:12 AM HST	Areal Flood Advisory	HFO	Hawaii	2 hr
Apr 28, 3:23 AM HST	Small Craft Advisory	HFO		24 hr
Apr 28, 8:53 AM HST	Areal Flood Advisory	HFO	Honolulu	3 hr
Apr 28, 10:03 AM HST	Flash Flood Watch	HFO	Hawaii, Honolulu, Kalawao	53 hr
Apr 28, 10:09 AM HST	Winter Storm Watch	HFO	Hawaii	29 hr
Apr 28, 10:16 AM HST	Areal Flood Advisory	HFO	Honolulu	3 hr
Apr 28, 11:27 AM HST	Areal Flood Advisory	HFO	Honolulu	3 hr
Apr 28, 12:31 PM HST	Areal Flood Advisory	HFO	Kauai	6 hr

Nearby

High Surf Advisories in Hawaii, 2017 Every high surf advisory in 2017

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.