<alert><identifier>urn:oid:2.49.0.1.840.0.e2de537cd745c41e6417bebcb27fe687b5c7909a.001.1.IPAWS</identifier><sender>w-nws.webmaster@noaa.gov</sender><sent>2026-08-20T21:47:00-07:00</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>2026-08-20T21:47:00-07:00</effective><onset>2026-08-20T21:47:00-07:00</onset><expires>2026-08-21T03:45:00-07:00</expires><senderName>NWS Flagstaff AZ</senderName><headline>Flash Flood Warning issued August 20 at 9:47PM MST until August 21 at 3:45AM MST by NWS Flagstaff AZ</headline><description>FFWFGZ

The National Weather Service in Flagstaff has issued a

* Flash Flood Warning for...
The Paria River in...
Coconino County in north central Arizona...

* Until 345 AM MST /445 AM MDT/.

* At 947 PM MST /1047 PM MDT/, Doppler radar indicated thunderstorms
producing heavy rain over the Paria River drainage and other
drainages south to near Marble Canyon. Between 0.5 and 1 inch of
rain has fallen. Additional rainfall amounts of 0.25 to 0.75 inches
are possible in the warned area. Flash flooding is ongoing or
expected to begin shortly.

HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding in and around the Paria River.

SOURCE...Radar indicated.

IMPACT...Life threatening flash flooding of areas in and around the
Paria River.

* Some locations that will experience flash flooding include...
Vermilion Cliffs National Monument and Lees Ferry.

This includes the Colorado River between river miles 0 and 2.

This includes the following recreation areas and campgrounds...
Lee's Ferry Campground, Lees Ferry Campground, Paria Beach Camp Site
and Lees Ferry Camp Site.

This includes the following creeks, washes and rivers...
Colorado River, Cathedral Wash and Paria River.
</description><instruction>Get out of the Paria River slot canyon! Flood waters will flow down
the Paria River, reaching the confluence with the Colorado River at
Lees Ferry before midnight MST.</instruction><web>http://www.weather.gov</web><parameter><valueName>AWIPSidentifier</valueName><value>FFWFGZ</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WGUS55 KFGZ 210447</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.KFGZ.FF.W.0128.260821T0447Z-260821T1045Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2026-08-21T03:45:00-07:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>NWS: FLASH FLOOD WARNING this area til 3:45 AM MST. Avoid flooded areas.</value></parameter><parameter><valueName>CMAMlongtext</valueName><value>National Weather Service: A FLASH FLOOD WARNING is in effect for this area until 3:45 AM MST. 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>Coconino, AZ</areaDesc><polygon>36.86,-111.57 36.85,-111.59 36.83,-111.66 36.86,-111.78 36.93,-111.84 36.97,-111.86 37.0,-111.88 37.0,-111.7 36.94,-111.66 36.86,-111.57</polygon><geocode><valueName>SAME</valueName><value>004005</value></geocode><geocode><valueName>UGC</valueName><value>AZC005</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>2026-08-20T21:47:00-07:00</effective><onset>2026-08-20T21:47:00-07:00</onset><expires>2026-08-21T03:45:00-07:00</expires><senderName>NWS Flagstaff AZ</senderName><headline>Flash Flood Warning issued August 20 at 9:47PM MST until August 21 at 3:45AM MST by NWS Flagstaff AZ</headline><description>FFWFGZ

The National Weather Service in Flagstaff has issued a

* Flash Flood Warning for...
The Paria River in...
Coconino County in north central Arizona...

* Until 345 AM MST /445 AM MDT/.

* At 947 PM MST /1047 PM MDT/, Doppler radar indicated thunderstorms
producing heavy rain over the Paria River drainage and other
drainages south to near Marble Canyon. Between 0.5 and 1 inch of
rain has fallen. Additional rainfall amounts of 0.25 to 0.75 inches
are possible in the warned area. Flash flooding is ongoing or
expected to begin shortly.

HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding in and around the Paria River.

SOURCE...Radar indicated.

IMPACT...Life threatening flash flooding of areas in and around the
Paria River.

* Some locations that will experience flash flooding include...
Vermilion Cliffs National Monument and Lees Ferry.

This includes the Colorado River between river miles 0 and 2.

This includes the following recreation areas and campgrounds...
Lee's Ferry Campground, Lees Ferry Campground, Paria Beach Camp Site
and Lees Ferry Camp Site.

This includes the following creeks, washes and rivers...
Colorado River, Cathedral Wash and Paria River.
</description><instruction>Get out of the Paria River slot canyon! Flood waters will flow down
the Paria River, reaching the confluence with the Colorado River at
Lees Ferry before midnight MST.</instruction><web>http://www.weather.gov</web><parameter><valueName>AWIPSidentifier</valueName><value>FFWFGZ</value></parameter><parameter><valueName>WMOidentifier</valueName><value>WGUS55 KFGZ 210447</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.KFGZ.FF.W.0128.260821T0447Z-260821T1045Z/</value></parameter><parameter><valueName>eventEndingTime</valueName><value>2026-08-21T03:45:00-07:00</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>CMAMtext</valueName><value>SNM: AVISO DE INUNDACIONES REPENTINAS hasta 3:45 AM MST. 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 3:45 AM MST. 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>Coconino, AZ</areaDesc><polygon>36.86,-111.57 36.85,-111.59 36.83,-111.66 36.86,-111.78 36.93,-111.84 36.97,-111.86 37.0,-111.88 37.0,-111.7 36.94,-111.66 36.86,-111.57</polygon><geocode><valueName>SAME</valueName><value>004005</value></geocode><geocode><valueName>UGC</valueName><value>AZC005</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>xIMfAtePj6To6bGkQn4K2xVLhXx/RarGgMoWw2CyvfM=</DigestValue></Reference></SignedInfo><SignatureValue>HiZDGpchJsi2piFC2K2VgOWsh2BR1TGomWXDTdhdeQSZLG34PBEhUlIIqBKHg6qRsoFDAz73RKDH&#13;
kZ4TqUzGjiwi0PkX61dDfxAiMcP7EDHRdC4YWJC5xdthcDmtMvo6BxG83x0CPVLU77s7sFarl79k&#13;
OSvmciPM+MKuhCpHiK2Bjc7Evov20BCkN26E21gEti7Q0WMZZtnyefb5mgo6ruiM+LoB3iRZDxbG&#13;
j6xTVirj2L/iPEdS9DgY+Fx3AZCno7LZOO7/s6KeiTnV8nKHRg1R8hWVS+IZGJXk9x1kZhAITrpz&#13;
ovTaQwF9ipqL+pIsuIQ4XinflUM/ZlhrY2LcoQ==</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>