Warning Vector

Flood Watch

NWS Honolulu HI ยท US

Updated

Details

Flood Watch Remains In Effect Through Late Tonight

Event
Flood Watch
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Future
Severity
Severe
Certainty
Possible
Response
Prepare

Description

Overview

Hurricane Nolo is now south-southwest of the Big Island and beginning to move more quickly off to the west. The possibility of heavy rain could lead to localized flooding over portions of the Big Island through tonight.

What

Flash flooding caused by excessive rainfall is possible.

Where

The Big Island.

When

Through late tonight.

Impacts

Flood prone roads and other low lying areas may be closed due to elevated runoff and overflowing streams. Urban areas may receive more significant flooding and property damage due to rapid runoff.

Additional details

- The possibility remains for localized flooding over areas of the Big Island due to heavy rain from Hurricane Nolo to the south-southwest of the Big Island. Areas most at risk for flooding are the windward and southeast portions of the Big Island where the ground remains saturated after recent rains.

Instructions

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

Affected areas

  • Kona
  • Kohala
  • Big Island Interior
  • Big Island Summit
  • Big Island South
  • Big Island Southeast
  • Big Island East
  • Big Island North

Public contact

Issuer
NWS Honolulu HI

Message record

Received
Issue to receipt
~24s
CAP status
Actual
CAP message type
Update
Lifecycle
Updated
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M3GECJF3TNE625QMZ9YP79AT
Identifier
urn:oid:2.49.0.1.840.0.4926559162fc47c73e59a03116327d68cfc1aa09.001.1
Sender
w-nws.webmaster@noaa.gov
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Honolulu HI
AWIPS ID
CAPHFO
NWWS sequence
nwws_processor.4770
WMO heading
XOHW50
WMO data type
CAP alert message XML (XO)
WMO geography
Hawaiian Islands (HW)
WMO bulletin number
50

References

Sender
w-nws.webmaster@noaa.gov
Sent
Sender
w-nws.webmaster@noaa.gov
Sent
Sender
w-nws.webmaster@noaa.gov
Sent
Sender
w-nws.webmaster@noaa.gov
Sent
Sender
w-nws.webmaster@noaa.gov
Sent
Sender
w-nws.webmaster@noaa.gov
Sent
Sender
w-nws.webmaster@noaa.gov
Sent
Sender
w-nws.webmaster@noaa.gov
Sent
Sender
w-nws.webmaster@noaa.gov
Sent

Event codes

NameValue
SAMEFFA
NationalWeatherServiceFAA

Parameters

NameValue
AWIPSidentifierFFAHFO
WMOidentifierWGHW60 PHFO 270326
NWSheadlineFLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.CON.PHFO.FA.A.0013.000000T0000Z-260927T1600Z/
eventEndingTime2026-09-27T06:00:00-10:00
BLOCKCHANNELCMAS
expiredReferencesw-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2d123593485ebe94b0f32c96760b8d265195162d.001.1,2026-09-25T16:53:00-10:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.63236fa3a4fb72ab342348c93af571cd44836a0c.001.1,2026-09-25T04:35:00-10:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.cb1399e1cc8e8553e0387819fafb629a00062f5b.001.1,2026-09-24T15:45:00-10:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.20a785c891f972e0073d00bbea65c5d10779d95f.001.1,2026-09-24T16:51:00-10:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.0be23b1680d7f4f271507185e74b730f908185fa.001.1,2026-09-24T04:48:00-10:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.27c93ef1b29bda3e04166629795fe71aa61e2ea6.001.1,2026-09-23T03:44:00-10:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.59599f54f3e9e47644ed14ad1fd6294e24114766.001.1,2026-09-22T14:48:00-10:00
Locations

Location data

  • Kona
  • Kohala
  • Big Island Interior
  • Big Island Summit
  • Big Island South
  • Big Island Southeast
  • Big Island East
  • Big Island North
NameValue
SAME015001
UGCHIZ023
UGCHIZ026
UGCHIZ027
UGCHIZ028
UGCHIZ051
UGCHIZ052
UGCHIZ053
UGCHIZ054