<alert><identifier>urn:oid:2.49.0.1.840.0.92508b7ea4b74223c4e34fe1206c2a9f175d85b4.001.1.IPAWS</identifier><sender>w-nws.webmaster@noaa.gov</sender><sent>2025-12-25T02:01:00-08:00</sent><status>Actual</status><msgType>Alert</msgType><scope>Public</scope><code>IPAWSv1.0</code><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>2025-12-25T02:01:00-08:00</effective><onset>2025-12-25T02:01:00-08:00</onset><expires>2025-12-25T05:15:00-08:00</expires><senderName>NWS San Francisco CA</senderName><headline>Flash Flood Warning issued December 25 at 2:01AM PST until December 25 at 5:15AM PST by NWS San Francisco CA</headline><description>FFWMTR

The National Weather Service in San Francisco has issued a

* Flash Flood Warning for...
Northern San Mateo County in northern California...

* Until 515 AM PST.

* At 201 AM PST, Doppler radar indicated heavy rain across the warned
area. Up to 0.7 inches of rain have fallen. Flash flooding is
ongoing or expected to begin shortly.

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

SOURCE...Radar indicated.

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

* Some locations that will experience flash flooding include...
San Mateo, Redwood City, Palo Alto, Menlo Park, Foster City,
Burlingame, San Carlos, East Palo Alto, Belmont, Millbrae,
Hillsborough, Atherton, Woodside, Highlands-Baywood Park, North
Fair Oaks, Stanford, Portola Valley, Emerald Lake Hills, Highlands
and West Menlo Park.
</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>FFWMTR</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WGUS56 KMTR 251001</value></parameter><parameter><valueName>flashFloodDetection</valueName><value>RADAR INDICATED</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.NEW.KMTR.FF.W.0005.251225T1001Z-251225T1315Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2025-12-25T05:15:00-08:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>NWS: FLASH FLOOD WARNING this area til 5:15 AM PST. Avoid flooded areas.</value></parameter><parameter><valueName>CMAMlongtext</valueName><value>National Weather Service: A FLASH FLOOD WARNING is in effect for this area until 5:15 AM PST. 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>San Mateo, CA</areaDesc><polygon>37.38,-122.23 37.57,-122.44 37.61,-122.38 37.59,-122.31 37.53,-122.28 37.56,-122.29 37.57,-122.29 37.56,-122.24 37.54,-122.25 37.53,-122.27 37.55,-122.22 37.52,-122.25 37.49,-122.23 37.52,-122.2 37.48,-122.15 37.51,-122.14 37.47,-122.12 37.38,-122.23</polygon><geocode><valueName>SAME</valueName><value>006081</value></geocode><geocode><valueName>UGC</valueName><value>CAC081</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>2025-12-25T02:01:00-08:00</effective><onset>2025-12-25T02:01:00-08:00</onset><expires>2025-12-25T05:15:00-08:00</expires><senderName>NWS San Francisco CA</senderName><headline>Flash Flood Warning issued December 25 at 2:01AM PST until December 25 at 5:15AM PST by NWS San Francisco CA</headline><description>FFWMTR

The National Weather Service in San Francisco has issued a

* Flash Flood Warning for...
Northern San Mateo County in northern California...

* Until 515 AM PST.

* At 201 AM PST, Doppler radar indicated heavy rain across the warned
area. Up to 0.7 inches of rain have fallen. Flash flooding is
ongoing or expected to begin shortly.

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

SOURCE...Radar indicated.

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

* Some locations that will experience flash flooding include...
San Mateo, Redwood City, Palo Alto, Menlo Park, Foster City,
Burlingame, San Carlos, East Palo Alto, Belmont, Millbrae,
Hillsborough, Atherton, Woodside, Highlands-Baywood Park, North
Fair Oaks, Stanford, Portola Valley, Emerald Lake Hills, Highlands
and West Menlo Park.
</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>FFWMTR</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WGUS56 KMTR 251001</value></parameter><parameter><valueName>flashFloodDetection</valueName><value>RADAR INDICATED</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.NEW.KMTR.FF.W.0005.251225T1001Z-251225T1315Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2025-12-25T05:15:00-08:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>SNM: AVISO DE INUNDACIONES REPENTINAS hasta 5:15 AM PST. 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 5:15 AM PST. 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>San Mateo, CA</areaDesc><polygon>37.38,-122.23 37.57,-122.44 37.61,-122.38 37.59,-122.31 37.53,-122.28 37.56,-122.29 37.57,-122.29 37.56,-122.24 37.54,-122.25 37.53,-122.27 37.55,-122.22 37.52,-122.25 37.49,-122.23 37.52,-122.2 37.48,-122.15 37.51,-122.14 37.47,-122.12 37.38,-122.23</polygon><geocode><valueName>SAME</valueName><value>006081</value></geocode><geocode><valueName>UGC</valueName><value>CAC081</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>1izdGySPlpb+a4xGJx3sTg7ZlBWBqesRmj3nYN6RF/k=</DigestValue></Reference></SignedInfo><SignatureValue>drrWMRLJ4mNlNlFrlCt7QHB+lf9ewE71CgNZl4CUOcV+CwDnVpkNJhPLvaHN78NDCbP7qNBCIeZf&#13;
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