<alert><identifier>urn:oid:2.49.0.1.840.0.40423cc4e11892db4447adb0d59c68b54494b86b.001.1.IPAWS</identifier><sender>w-nws.webmaster@noaa.gov</sender><sent>2026-08-11T13:54:00-07:00</sent><status>Actual</status><msgType>Alert</msgType><source>211803 v2.3.0</source><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>2026-08-11T13:54:00-07:00</effective><onset>2026-08-11T13:54:00-07:00</onset><expires>2026-08-11T16:00:00-07:00</expires><senderName>NWS San Diego CA</senderName><headline>Flash Flood Warning issued August 11 at 1:54PM PDT until August 11 at 4:00PM PDT by NWS San Diego CA</headline><description>FFWSGX

The National Weather Service in San Diego has issued a

* Flash Flood Warning for...
Extreme Southeastern Riverside County in southern California...
Extreme Northeastern San Diego County in southwestern California...

* Until 400 PM PDT.

* At 154 PM PDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. The expected rainfall rate is 1
to 2 inches in 1 hour. Flash flooding is ongoing or expected to
begin shortly.

HAZARD...Life threatening flash flooding. Thunderstorms 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...
Thermal and Santa Rosa Mountain.

Flood waters can surge through normally dry washes, far away from
ongoing thunderstorm activity.

Be aware of rapidly rising waters even outside of heavy rain and
thunderstorms.
</description><instruction>Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.</instruction><web>http://www.weather.gov</web><parameter><valueName>AWIPSidentifier</valueName><value>FFWSGX</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WGUS56 KSGX 112054</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.KSGX.FF.W.0004.260811T2054Z-260811T2300Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2026-08-11T16:00:00-07:00</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 PM PDT. 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 PM PDT. 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>Riverside, CA; San Diego, CA</areaDesc><polygon>33.43,-116.37 33.54,-116.43 33.59,-116.3 33.54,-116.17 33.48,-116.08 33.42,-116.09 33.37,-116.11 33.33,-116.2 33.38,-116.34 33.43,-116.37</polygon><geocode><valueName>SAME</valueName><value>006065</value></geocode><geocode><valueName>SAME</valueName><value>006073</value></geocode><geocode><valueName>UGC</valueName><value>CAC065</value></geocode><geocode><valueName>UGC</valueName><value>CAC073</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>2026-08-11T13:54:00-07:00</effective><onset>2026-08-11T13:54:00-07:00</onset><expires>2026-08-11T16:00:00-07:00</expires><senderName>NWS San Diego CA</senderName><headline>Flash Flood Warning issued August 11 at 1:54PM PDT until August 11 at 4:00PM PDT by NWS San Diego CA</headline><description>FFWSGX

The National Weather Service in San Diego has issued a

* Flash Flood Warning for...
Extreme Southeastern Riverside County in southern California...
Extreme Northeastern San Diego County in southwestern California...

* Until 400 PM PDT.

* At 154 PM PDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. The expected rainfall rate is 1
to 2 inches in 1 hour. Flash flooding is ongoing or expected to
begin shortly.

HAZARD...Life threatening flash flooding. Thunderstorms 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...
Thermal and Santa Rosa Mountain.

Flood waters can surge through normally dry washes, far away from
ongoing thunderstorm activity.

Be aware of rapidly rising waters even outside of heavy rain and
thunderstorms.
</description><instruction>Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.</instruction><web>http://www.weather.gov</web><parameter><valueName>AWIPSidentifier</valueName><value>FFWSGX</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WGUS56 KSGX 112054</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.KSGX.FF.W.0004.260811T2054Z-260811T2300Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2026-08-11T16:00:00-07:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>SNM: AVISO DE INUNDACIONES REPENTINAS hasta 4:00 PM PDT. 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 PM PDT. 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>Riverside, CA; San Diego, CA</areaDesc><polygon>33.43,-116.37 33.54,-116.43 33.59,-116.3 33.54,-116.17 33.48,-116.08 33.42,-116.09 33.37,-116.11 33.33,-116.2 33.38,-116.34 33.43,-116.37</polygon><geocode><valueName>SAME</valueName><value>006065</value></geocode><geocode><valueName>SAME</valueName><value>006073</value></geocode><geocode><valueName>UGC</valueName><value>CAC065</value></geocode><geocode><valueName>UGC</valueName><value>CAC073</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>r5ef/V2fMa08BvLDDSD4hRHP9UoB3JD1AIOgrA3jlxU=</DigestValue></Reference></SignedInfo><SignatureValue>AuL7VIWicrmKS5EB3j2REsTnhCFzUENdlTvMcsFyMfaAtLn06uwG/7ufoV7xjEQxb6rk/BTJej0S&#13;
j4td/l/S4SZuluJeP2sSuAwbyu9iYHi3UbqCeauwqtItXQFcZAWUiAku0loX/XNLtxGMvBB74o5b&#13;
kESdLAbwI3rk3IfcEkTFvQBum0c1rTvz2Wgabc3E7e/qXhEoE9KI5nxqY7n3DTzxwgwM+1dOx6D4&#13;
hpa8jrtPjXlQ5Wz8r55KwoW9O/iFBdZGbiEVwiga9qn3JlFkHgZAeOxPE3KKrXctx123JzWMg2Il&#13;
IvTQc4r2zQjU2IyFxYh54fzToqvhphwhopeb4Q==</SignatureValue><KeyInfo><X509Data><X509SubjectName>CN=IPAWSOPEN200032,OU=A01410D0000019A5E4549540014DF2C,OU=Devices IPAWS,OU=National Continuity Programs,O=FEMA IPAWS,C=US</X509SubjectName><X509Certificate>MIIHPzCCBSegAwIBAgIQQAGaXkVJb3yj70Q8FAqMbzANBgkqhkiG9w0BAQsFADBdMQswCQYDVQQG&#13;
EwJVUzESMBAGA1UEChMJSWRlblRydXN0MSAwHgYDVQQLExdJZGVuVHJ1c3QgR2xvYmFsIENvbW1v&#13;
bjEYMBYGA1UEAxMPSUdDIERldmljZSBDQSAyMB4XDTI1MTEwNzEyMjMxMFoXDTI4MTEwNjEyMjIx&#13;
MFowgaUxCzAJBgNVBAYTAlVTMRMwEQYDVQQKEwpGRU1BIElQQVdTMSUwIwYDVQQLExxOYXRpb25h&#13;
bCBDb250aW51aXR5IFByb2dyYW1zMRYwFAYDVQQLEw1EZXZpY2VzIElQQVdTMSgwJgYDVQQLEx9B&#13;
MDE0MTBEMDAwMDAxOUE1RTQ1NDk1NDAwMTRERjJDMRgwFgYDVQQDEw9JUEFXU09QRU4yMDAwMzIw&#13;
ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCOdhA5DPitMFp6DUbiQZi/anJ6L9qtPrRz&#13;
gZksP2aOSve50875b4yi2eMv2caKpF+lxtbmzxdZjRuV55TnCkn7HaaLpi+7nFP4aDB9DDw/Gnop&#13;
65nNzLvZ7MXpCC3ikJk09iSgwVaw6RGte9X2WyUoPaEmygjv1lsVx+JGohgvPxTtiZhQJyxkxbM5&#13;
rR2MAC5VjsrZNu3idfvd1B0EEGM1cVU9jpVuyiWK53k+vPuSOH/UWMXezzrBEwjtw1SMVv2/dxKz&#13;
79gaITMmF6z5QqDFV0cstzmyEZWhyoavCpXW4W+vU+FLO0IgXINzY34IsnFQ/cqGEJ6MtC63uM8f&#13;
2L7dAgMBAAGjggKwMIICrDAOBgNVHQ8BAf8EBAMCBaAwfQYIKwYBBQUHAQEEcTBvMCkGCCsGAQUF&#13;
BzABhh1odHRwOi8vaWdjLm9jc3AuaWRlbnRydXN0LmNvbTBCBggrBgEFBQcwAoY2aHR0cDovL3Zh&#13;
bGlkYXRpb24uaWRlbnRydXN0LmNvbS9jZXJ0cy9pZ2NkZXZpY2VjYTIucDdjMB8GA1UdIwQYMBaA&#13;
FD+LR65hHetlI5XEOi3tu0jVIykiMIIBQwYDVR0gBIIBOjCCATYwDQYLYIZIAYb5LwBkJQEwggEj&#13;
BgtghkgBhvkvAGQmATCCARIwSwYIKwYBBQUHAgEWP2h0dHBzOi8vc2VjdXJlLmlkZW50cnVzdC5j&#13;
b20vY2VydGlmaWNhdGVzL3BvbGljeS9JR0MvaW5kZXguaHRtbDCBwgYIKwYBBQUHAgIwgbUMgbJD&#13;
ZXJ0aWZpY2F0ZSB1c2UgcmVzdHJpY3RlZCB0byBSZWx5aW5nIFBhcnR5KHMpIGluIGFjY29yZGFu&#13;
Y2Ugd2l0aCBJR0MtQ1AgKHNlZSBodHRwczovL3NlY3VyZS5pZGVudHJ1c3QuY29tL2NlcnRpZmlj&#13;
YXRlcy9wb2xpY3kvaWdjL2luZGV4Lmh0bWwpLiBJR0MtQ1BTIGluY29ycG9yYXRlZCBieSByZWZl&#13;
cmVuY2UuMEUGA1UdHwQ+MDwwOqA4oDaGNGh0dHA6Ly92YWxpZGF0aW9uLmlkZW50cnVzdC5jb20v&#13;
Y3JsL2lnY2RldmljZWNhMi5jcmwwGgYDVR0RBBMwEYIPSVBBV1NPUEVOMjAwMDMyMB0GA1UdDgQW&#13;
BBQ8QhNU0KQ6GUEOz5peBrNTppU+fDAxBgNVHSUEKjAoBggrBgEFBQcDAgYIKwYBBQUHAwUGCCsG&#13;
AQUFBwMGBggrBgEFBQcDBzANBgkqhkiG9w0BAQsFAAOCAgEAXiYe+0catdoGF4nXiIoyywVkVTaG&#13;
BacaUIjTceAJv35LhC5gwAM+O3OudKQQbMeIzOcjJluFc4vFjmzL/DxLLKk6IVVZQ+MXO8O5UZ6e&#13;
0hSwQv3mO+9JkCYL7M/GIJwiq6XuEiLS7wESwnHq2tIppZNfpcZcMSlQC+4hoUPJuVNU7QVFtvXe&#13;
6FaB/zDMTU3pzOuCxn/SNIhBKHVesE8n5soIp5q8U/R/I9vYM52NISzZcYPGUp6Snyd9mVqmxAo+&#13;
t3pAgsojLOrSBPLQoPoip/KeKCMahrumQuaHi6t3ML6IlCIuOeNnHEaxnUIWGD7kAswOKsqGGjMN&#13;
JwXw6TeqrddvCg8Nd0SH7mWI/vjOq/ykZs2q6lB3b/5ur7YjGOdT3310R0VhZ8pxuyUTrR6EFlFR&#13;
PkWhg46BaEiP1GtzmEW7wT0YStf4wvwDR3HkjpzNoBO92+iwhVHPKyl7T4METnDyTAD+aDn/Xtp/&#13;
pZePlh9uOkCqS7NOm6B4Hjra/iL3BQG2gwcE6XOzbETH6/ibKwMroFDAgqe8AA6xdmcajHBf7/wA&#13;
maMrAQmgbINPpZWjMo3wf2IccUTVHxLaZj+yQZcWMuX9R2H84eTo/CfqmG1RyxcqO0Nd1BS8i8Ii&#13;
YnCXXUlXkpl0xFj1R1xiGv8bd4l5AGjorijY2Wnub1m4Y4k=</X509Certificate></X509Data></KeyInfo></Signature></alert>