<alert><identifier>urn:oid:2.49.0.1.840.0.2b1aec90ecc4349811def88a7b6ab312c16b16e9.001.1.IPAWS</identifier><sender>w-nws.webmaster@noaa.gov</sender><sent>2026-08-16T00:46:00-10:00</sent><status>Actual</status><msgType>Update</msgType><source>211803 v2.3.0</source><scope>Public</scope><code>IPAWSv1.0</code><references>w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.29215418d8d647ef7c8ef5b0474f1f99eace730c.001.1.IPAWS,2026-08-15T21:53:00-10:00</references><info><language>en-US</language><category>Met</category><event>Flash Flood Warning</event><responseType>Avoid</responseType><urgency>Immediate</urgency><severity>Severe</severity><certainty>Likely</certainty><eventCode><valueName>SAME</valueName><value>FFW</value></eventCode><eventCode><valueName>NationalWeatherService</valueName><value>FFW</value></eventCode><effective>2026-08-16T00:46:00-10:00</effective><onset>2026-08-16T00:46:00-10:00</onset><expires>2026-08-16T04:00:00-10:00</expires><senderName>NWS Honolulu HI</senderName><headline>Flash Flood Warning issued August 16 at 12:46AM HST until August 16 at 4:00AM HST by NWS Honolulu HI</headline><description>FFWHFO

The National Weather Service in Honolulu has extended the

* Flash Flood Warning for...
The island of Hawaii in Hawaii County

* Until 400 AM HST.

* At 1246 AM HST, local law enforcement reported 2 homes swept away
due to intense rainfall over Naalehu several hours ago. Rain rates
have now decreased over the area, but scattered heavy rain showers
are still impacting the area with rain rates of 1 to 2 inches per
hour. Flash flood impacts are still ongoing with numerous road
closures across Kau District. Additional bands of heavy rain will
be possible over the next few hours.

HAZARD...Life threatening flash flooding. Heavy rain producing
flash flooding.

SOURCE...Law enforcement reported.

IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
Wood Valley, Pahala, Punaluu Beach, Hawaii Volcanoes National Park,
Kawa Flats, Volcano, Naalehu, Glenwood, Hawaiian Ocean View,
Mountain View and Waiohinu.
</description><instruction>Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Be aware of your surroundings and do not drive on flooded roads.</instruction><web>http://www.weather.gov</web><parameter><valueName>AWIPSidentifier</valueName><value>FFWHFO</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WGHW50 PHFO 161046</value></parameter><parameter><valueName>flashFloodDetection</valueName><value>OBSERVED</value></parameter><parameter><valueName>flashFloodDamageThreat</valueName><value>CONSIDERABLE</value></parameter><parameter><valueName>BLOCKCHANNEL</valueName><value>EAS</value></parameter><parameter><valueName>BLOCKCHANNEL</valueName><value>NWEM</value></parameter><parameter><valueName>EAS-ORG</valueName><value>WXR</value></parameter><parameter><valueName>VTEC</valueName><value>/O.EXT.PHFO.FF.W.0042.000000T0000Z-260816T1400Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2026-08-16T04:00:00-10:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>NWS: FLASH FLOOD WARNING this area til 4:00 AM HST. Avoid flooded areas.</value></parameter><parameter><valueName>CMAMlongtext</valueName><value>National Weather Service: A FLASH FLOOD WARNING is in effect for this area until 4:00 AM HST. This is a dangerous and life-threatening situation. Do not attempt to travel unless you are fleeing an area subject to flooding or under an evacuation order.</value></parameter><area><areaDesc>Hawaii in Hawaii, HI</areaDesc><polygon>19.03,-155.9 19.71,-155.4 19.36,-154.92 19.32,-154.97 19.26,-155.09 19.23,-155.29 19.12,-155.44 19.11,-155.49 18.95,-155.56 18.88,-155.66 18.89,-155.69 18.94,-155.73 19.03,-155.9</polygon><geocode><valueName>SAME</valueName><value>015001</value></geocode><geocode><valueName>UGC</valueName><value>HIC001</value></geocode></area></info><info><language>es-US</language><category>Met</category><event>Flash Flood Warning</event><responseType>Avoid</responseType><urgency>Immediate</urgency><severity>Severe</severity><certainty>Likely</certainty><eventCode><valueName>SAME</valueName><value>FFW</value></eventCode><eventCode><valueName>NationalWeatherService</valueName><value>FFW</value></eventCode><effective>2026-08-16T00:46:00-10:00</effective><onset>2026-08-16T00:46:00-10:00</onset><expires>2026-08-16T04:00:00-10:00</expires><senderName>NWS Honolulu HI</senderName><headline>Flash Flood Warning issued August 16 at 12:46AM HST until August 16 at 4:00AM HST by NWS Honolulu HI</headline><description>FFWHFO

The National Weather Service in Honolulu has extended the

* Flash Flood Warning for...
The island of Hawaii in Hawaii County

* Until 400 AM HST.

* At 1246 AM HST, local law enforcement reported 2 homes swept away
due to intense rainfall over Naalehu several hours ago. Rain rates
have now decreased over the area, but scattered heavy rain showers
are still impacting the area with rain rates of 1 to 2 inches per
hour. Flash flood impacts are still ongoing with numerous road
closures across Kau District. Additional bands of heavy rain will
be possible over the next few hours.

HAZARD...Life threatening flash flooding. Heavy rain producing
flash flooding.

SOURCE...Law enforcement reported.

IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
Wood Valley, Pahala, Punaluu Beach, Hawaii Volcanoes National Park,
Kawa Flats, Volcano, Naalehu, Glenwood, Hawaiian Ocean View,
Mountain View and Waiohinu.
</description><instruction>Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Be aware of your surroundings and do not drive on flooded roads.</instruction><web>http://www.weather.gov</web><parameter><valueName>AWIPSidentifier</valueName><value>FFWHFO</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WGHW50 PHFO 161046</value></parameter><parameter><valueName>flashFloodDetection</valueName><value>OBSERVED</value></parameter><parameter><valueName>flashFloodDamageThreat</valueName><value>CONSIDERABLE</value></parameter><parameter><valueName>BLOCKCHANNEL</valueName><value>EAS</value></parameter><parameter><valueName>BLOCKCHANNEL</valueName><value>NWEM</value></parameter><parameter><valueName>EAS-ORG</valueName><value>WXR</value></parameter><parameter><valueName>VTEC</valueName><value>/O.EXT.PHFO.FF.W.0042.000000T0000Z-260816T1400Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2026-08-16T04:00:00-10:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>SNM: AVISO DE INUNDACIONES REPENTINAS hasta 4:00 AM HST. Evite areas inundadas.</value></parameter><parameter><valueName>CMAMlongtext</valueName><value>Servicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 4:00 AM HST. Esta es una situacion peligrosa y amenaza la vida. No intente viajar a menos que sea para abandonar un area propensa a inundaciones o bajo una orden de desalojo.</value></parameter><area><areaDesc>Hawaii in Hawaii, HI</areaDesc><polygon>19.03,-155.9 19.71,-155.4 19.36,-154.92 19.32,-154.97 19.26,-155.09 19.23,-155.29 19.12,-155.44 19.11,-155.49 18.95,-155.56 18.88,-155.66 18.89,-155.69 18.94,-155.73 19.03,-155.9</polygon><geocode><valueName>SAME</valueName><value>015001</value></geocode><geocode><valueName>UGC</valueName><value>HIC001</value></geocode></area></info><Signature xmlns="http://www.w3.org/2000/09/xmldsig#" xmlns:ns5="http://gov.fema.ipaws.services/IPAWS_CAPService/" xmlns:ns2="urn:oasis:names:tc:emergency:cap:1.2" xmlns:ns4="http://gov.fema.ipaws.services/capresponse" xmlns:ns3="http://gov.fema.ipaws.services/caprequest"><SignedInfo><CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/><SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"/><Reference URI=""><Transforms><Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/></Transforms><DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/><DigestValue>GgS3oWit+wK+z2hbLDpJaClYWbOBYIgKwTbFzqYO/7I=</DigestValue></Reference></SignedInfo><SignatureValue>dvwYtQ7Vpuiy3V6nzLQiHbWBmMLIjhmWBNtsc7EeMwejb+WUbtl559VQm6I3qs1Rg5ruDFuQrvKY&#13;
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