Alert archive / Hawaii / Areal Flood Advisories in 2021

Areal Flood Advisory 13, NWS Honolulu, HI

January 18, 2021Kalawao County, Hawaii

NWS Honolulu, HI issued this areal flood advisory at Jan 18, 2021, 11:50 AM HST for Kalawao County, Hawaii. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jan 18, 2021, 11:50 AM HST (21:50 UTC)
Expired
Jan 18, 2021, 2:25 PM HST
In force
3 hr
Issued by
NWS Honolulu, HI
Area
Storm-based polygon

County Kalawao County, HI

The radar

The Molokai radar (PHMO), 24 km from the middle of the area, began a volume at 21:55 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 areal flood 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 areal flood advisory went out at Jan 18, 9:57 AM HST, 1 hour 53 minutes earlier.

Area forecast discussion, Jan 18, 9:57 AM HST, 1 hour 53 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jan 17, 3:37 PM HSTWind AdvisoryHFOHonolulu, Kauai, Kalawao48 hr
Jan 17, 3:45 PM HSTGale WarningHFO36 hr
Jan 17, 3:45 PM HSTSmall Craft AdvisoryHFO24 hr
Jan 17, 4:37 PM HSTAreal Flood AdvisoryHFOKauai3 hr
Jan 17, 7:07 PM HSTAreal Flood AdvisoryHFOHawaii3 hr
Jan 17, 7:17 PM HSTAreal Flood AdvisoryHFOKauai2 hr
Jan 18, 12:06 AM HSTAreal Flood AdvisoryHFOKalawao3 hr
Jan 18, 12:51 AM HSTFlash Flood WarningHFOKalawao6 hr
Jan 18, 3:03 AM HSTAreal Flood AdvisoryHFOKalawao3 hr
Jan 18, 3:49 AM HSTWinter Weather AdvisoryHFOHawaii36 hr
Jan 18, 5:16 AM HSTAreal Flood AdvisoryHFOKalawao3 hr
Jan 18, 8:53 AM HSTAreal Flood AdvisoryHFOHawaii3 hr
Jan 18, 10:17 AM HSTAreal Flood AdvisoryHFOHonolulu3 hr
Jan 18, 10:50 AM HSTAreal Flood AdvisoryHFOKalawao6 hr

Nearby

Areal Flood Advisories in Hawaii, 2021Every areal flood advisory in 2021

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.