Alert archive / Hawaii / High Surf Advisories in 2019

High Surf Advisory 39, NWS Honolulu, HI

September 25, 20194 counties in Hawaii

NWS Honolulu, HI issued this high surf advisory at Sep 25, 2019, 3:54 PM HST for 4 counties in Hawaii. It took effect at Sep 26, 2019, 3:35 AM HST. It was in force for 60 hr.

The area

The counties it named.

The facts

Issued: Sep 25, 2019, 3:54 PM HST (01:54 UTC)
In effect from: Sep 26, 2019, 3:35 AM HST
Expired: Sep 28, 2019, 3:27 PM HST
In force: 60 hr
Issued by: NWS Honolulu, HI

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 01:56 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 Sep 25, 3:38 PM HST, 16 minutes earlier.

Area forecast discussion, Sep 25, 3:38 PM HST, 16 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
Sep 26, 2:00 AM HST	Areal Flood Advisory	HFO	Kauai	3 hr
Sep 26, 11:57 AM HST	Areal Flood Advisory	HFO	Kauai	73 min
Sep 26, 12:31 PM HST	Areal Flood Advisory	HFO	Honolulu	4 hr

Nearby

High Surf Advisories in Hawaii, 2019 Every high surf advisory in 2019

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.