Flash Flood Warning

NWS Flagstaff AZ · US

Updated WEA requested

This event was updated at 2026-10-22 08:57:00 UTC.

English

Flash Flood Warning Issued October 21 At 9:49PM MST Until October 22 At 2:00AM MST By NWS Flagstaff AZ

Event: Flash Flood Warning
Issued: 2026-10-22 04:49:00 UTC
Onset: 2026-10-22 04:49:00 UTC
Message expires: 2026-10-22 09:00:00 UTC
Expected end: 2026-10-22 09:00:00 UTC
Category: Meteorological
Urgency: Immediate
Severity: Severe
Certainty: Likely
Response: Avoid

Wireless alert

National Weather Service: A FLASH FLOOD WARNING is in effect for this area until 2:00 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.

Description

Overview

FFWFGZ The National Weather Service in Flagstaff has extended the * Flash Flood Warning for... The Moenkopi Wash in... Coconino County in north central Arizona... * Until 200 AM MST /300 AM MDT/. * At 949 PM MST /1049 PM MDT/, Moenkopi Wash remained above major flood stage, with only a gradual decrease over the last hour. With additional heavy rain expected in the Moenkopi Wash basin, flooding is expected to continue. Flash flooding is already occurring.

Hazard

Life threatening flash flooding. Thunderstorms producing flash flooding in and around the Moenkopi Wash.

Source

River gauge reported.

Impacts

Life threatening flash flooding of areas in and around the Moenkopi Wash. * For Moenkopi Wash near Tuba City: At 8:45pm MST /9:45pm MDT/ the stage was 33.54 feet. Flood Stage is 27.0 feet. Impacts: At 27.0 feet: At 27.0 feet water begins to encroach on homes in lower Moenkopi Village and floods crop fields along the river. Some locations that will experience flash flooding include... Moenkopi. This includes the following creeks, washes and rivers... Hamblin Wash, Begashibito Wash, Little Colorado River, Moenkopi Wash and Fivemile Wash.

Instructions

Be especially cautious at night when it is harder to recognize the dangers of flooding. Stay away or be swept away! The banks of creeks and washes are unstable and unsafe during any flooding event. Low water crossings will become dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route.

Affected areas

Coconino County, AZ

Public contact

Issuer: NWS Flagstaff AZ
Website: http://www.weather.gov

Spanish

Event: Flash Flood Warning
Onset: 2026-10-22 04:49:00 UTC
Message expires: 2026-10-22 09:00:00 UTC
Expected end: 2026-10-22 09:00:00 UTC
Category: Meteorological
Urgency: Immediate
Severity: Severe
Certainty: Likely
Response: Avoid

Wireless alert

Servicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 2:00 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.

Affected areas

Coconino County, AZ

Public contact

Issuer: NWS Flagstaff AZ
Website: http://www.weather.gov

Message record

Received: 2026-10-22 04:50:07 UTC
Issue to receipt: ~1m7s
CAP status: Actual
CAP message type: Update
Lifecycle: Updated
Source: NWWS-OI
Feed: NWWS
Recovered: No

CAP routing and identity

ULID: 01M5GZ3V29V50WRDJBQBTT63X6
Identifier: urn:oid:2.49.0.1.840.0.82fb4861e9cd0283ab0e5bf9884ec3b2b27880cd.001.1
Sender: [email protected]
Scope: Public
CAP source: 211803 v2.3.0
Handling codes: IPAWSv1.0
Issuing office: NWS Flagstaff AZ
AWIPS ID: CAPFGZ
NWWS sequence: nwws_processor.6869
WMO heading: XOUS55
WMO data type: CAP alert message XML (XO)
WMO geography: United States (US)
WMO bulletin number: 55

References

Identifier: urn:oid:2.49.0.1.840.0.6f197b790cd28da52c0aa4c2b62462aa41d7fa0b.001.1
Sender: [email protected]
Sent: 2026-10-21 23:31:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.778cbe8427fe01dbcfe739748292c22c776e0654.001.1
Sender: [email protected]
Sent: 2026-10-21 21:26:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.167b1b6578d02c2fcb6207caf897daf2dc5c6681.001.1
Sender: [email protected]
Sent: 2026-10-21 18:02:00 UTC

English

Event codes

Name	Value
SAME	FFW
NationalWeatherService	FFW

Parameters

Name	Value
AWIPSidentifier	FFWFGZ
WMOidentifier	WGUS55 KFGZ 220449
flashFloodDamageThreat	CONSIDERABLE
BLOCKCHANNEL	EAS
BLOCKCHANNEL	NWEM
EAS-ORG	WXR
VTEC	/O.EXT.KFGZ.FF.W.0193.000000T0000Z-261022T0900Z/
eventEndingTime	2026-10-22T02:00:00-07:00
WEAHandling	Imminent Threat
expiredReferences	[email protected],urn:oid:2.49.0.1.840.0.778cbe8427fe01dbcfe739748292c22c776e0654.001.1,2026-10-21T14:26:00-07:00 [email protected],urn:oid:2.49.0.1.840.0.167b1b6578d02c2fcb6207caf897daf2dc5c6681.001.1,2026-10-21T11:02:00-07:00
CMAMtext	NWS: FLASH FLOOD WARNING this area til 2:00 AM MST. Avoid flooded areas.
CMAMlongtext	National Weather Service: A FLASH FLOOD WARNING is in effect for this area until 2:00 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.

Spanish

Event codes

Name	Value
SAME	FFW
NationalWeatherService	FFW

Parameters

Name	Value
AWIPSidentifier	FFWFGZ
WMOidentifier	WGUS55 KFGZ 220449
flashFloodDamageThreat	CONSIDERABLE
BLOCKCHANNEL	EAS
BLOCKCHANNEL	NWEM
EAS-ORG	WXR
VTEC	/O.EXT.KFGZ.FF.W.0193.000000T0000Z-261022T0900Z/
eventEndingTime	2026-10-22T02:00:00-07:00
WEAHandling	Imminent Threat
expiredReferences	[email protected],urn:oid:2.49.0.1.840.0.778cbe8427fe01dbcfe739748292c22c776e0654.001.1,2026-10-21T14:26:00-07:00 [email protected],urn:oid:2.49.0.1.840.0.167b1b6578d02c2fcb6207caf897daf2dc5c6681.001.1,2026-10-21T11:02:00-07:00
CMAMtext	SNM: AVISO DE INUNDACIONES REPENTINAS hasta 2:00 AM MST. Evite areas inundadas.
CMAMlongtext	Servicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 2:00 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.

Locations

English

Location data

Coconino County, AZ

Name	Value
SAME	004005
UGC	AZC005

Polygons: 35.88,-111.44 35.89,-111.45 35.93,-111.43 35.99,-111.43 36.08,-111.37 36.11,-111.27 36.12,-111.16 36.15,-111.09 36.17,-110.97 36.17,-110.77 36.14,-110.77 36.14,-110.97 36.13,-111.08 36.1,-111.15 36.09,-111.27 36.06,-111.35 35.98,-111.41 35.92,-111.41 35.88,-111.44

Spanish

Location data

Coconino County, AZ

Name	Value
SAME	004005
UGC	AZC005

Polygons: 35.88,-111.44 35.89,-111.45 35.93,-111.43 35.99,-111.43 36.08,-111.37 36.11,-111.27 36.12,-111.16 36.15,-111.09 36.17,-110.97 36.17,-110.77 36.14,-110.77 36.14,-110.97 36.13,-111.08 36.1,-111.15 36.09,-111.27 36.06,-111.35 35.98,-111.41 35.92,-111.41 35.88,-111.44