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Flash Flood Warning

NWS Flagstaff AZ ยท US

New WEA Activation

English

Flash Flood Warning issued September 15 at 1:54PM MST until September 15 at 6:00PM MST by NWS Flagstaff AZ

Issued
Onset
Expires
Category
Meteorological
Urgency
Immediate
Severity
Severe
Certainty
Likely
Response
Avoid

Description

Overview

FFWFGZ The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... Navajo County in north central Arizona... Apache County in northeastern Arizona... * Until 700 PM MDT. * At 254 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 2 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly.

Hazard

Life threatening flash flooding. Thunderstorms producing flash flooding.

Source

Radar indicated.

Impacts

Life threatening flash flooding of creeks and streams, normally dry washes, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Greasewood Springs, Steamboat, Cornfields, Sunrise Springs, Greasewood and Twin Buttes. This includes State Route 264 between mile markers 425 and 434. This includes the following creeks, washes and rivers... Steamboat Wash, Pueblo Colorado Wash and Big Dam Wash.

Instructions

Flooding of washes and creeks will occur, some dirt roads will become muddy and impassable. Paved roads and underpasses could become flooded as well. Be aware of your surroundings and do not drive on flooded roads.

Affected areas

  • Apache, AZ
  • Navajo, AZ

Public contact

Issuer
NWS Flagstaff AZ

es-US

Flash Flood Warning issued September 15 at 1:54PM MST until September 15 at 6:00PM MST by NWS Flagstaff AZ

Onset
Expires
Category
Meteorological
Urgency
Immediate
Severity
Severe
Certainty
Likely
Response
Avoid

Description

Overview

FFWFGZ The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... Navajo County in north central Arizona... Apache County in northeastern Arizona... * Until 700 PM MDT. * At 254 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 2 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly.

Hazard

Life threatening flash flooding. Thunderstorms producing flash flooding.

Source

Radar indicated.

Impacts

Life threatening flash flooding of creeks and streams, normally dry washes, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Greasewood Springs, Steamboat, Cornfields, Sunrise Springs, Greasewood and Twin Buttes. This includes State Route 264 between mile markers 425 and 434. This includes the following creeks, washes and rivers... Steamboat Wash, Pueblo Colorado Wash and Big Dam Wash.

Instructions

Flooding of washes and creeks will occur, some dirt roads will become muddy and impassable. Paved roads and underpasses could become flooded as well. Be aware of your surroundings and do not drive on flooded roads.

Affected areas

  • Apache, AZ
  • Navajo, AZ

Public contact

Issuer
NWS Flagstaff AZ

Message record

Received
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2KDM6DDETT01WBNNKWX4FWM
Identifier
urn:oid:2.49.0.1.840.0.30a6800f2b993edebc1d1767a930df030681f71c.001.1
Sender
w-nws.webmaster@noaa.gov
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Flagstaff AZ
AWIPS ID
CAPFGZ
NWWS sequence
nwws_processor.4543
WMO heading
XOUS55
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
55

Event codes

NameValue
SAMEFFW
NationalWeatherServiceFFW

Parameters

NameValue
AWIPSidentifierFFWFGZ
WMOidentifierWGUS55 KFGZ 152054
flashFloodDetectionRADAR INDICATED
flashFloodDamageThreatCONSIDERABLE
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.NEW.KFGZ.FF.W.0165.260915T2054Z-260916T0100Z/
eventEndingTime2026-09-15T18:00:00-07:00
WEAHandlingImminent Threat
CMAMtextNWS: FLASH FLOOD WARNING this area til 6:00 PM MST. Avoid flooded areas.
CMAMlongtextNational Weather Service: A FLASH FLOOD WARNING is in effect for this area until 6:00 PM 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.

Event codes

NameValue
SAMEFFW
NationalWeatherServiceFFW

Parameters

NameValue
AWIPSidentifierFFWFGZ
WMOidentifierWGUS55 KFGZ 152054
flashFloodDetectionRADAR INDICATED
flashFloodDamageThreatCONSIDERABLE
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.NEW.KFGZ.FF.W.0165.260915T2054Z-260916T0100Z/
eventEndingTime2026-09-15T18:00:00-07:00
WEAHandlingImminent Threat
CMAMtextSNM: AVISO DE INUNDACIONES REPENTINAS hasta 6:00 PM MST. Evite areas inundadas.
CMAMlongtextServicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 6:00 PM 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

Location data

  • Apache, AZ
  • Navajo, AZ
NameValue
SAME004001
SAME004017
UGCAZC001
UGCAZC017
Polygons
35.66,-109.92 35.76,-109.89 35.78,-109.74 35.73,-109.67 35.67,-109.66 35.56,-109.76 35.47,-109.87 35.42,-109.88 35.4,-109.87 35.4,-109.9 35.43,-109.95 35.5,-109.95 35.51,-109.92 35.55,-109.95 35.58,-109.96 35.65,-109.92 35.66,-109.92

Location data

  • Apache, AZ
  • Navajo, AZ
NameValue
SAME004001
SAME004017
UGCAZC001
UGCAZC017
Polygons
35.66,-109.92 35.76,-109.89 35.78,-109.74 35.73,-109.67 35.67,-109.66 35.56,-109.76 35.47,-109.87 35.42,-109.88 35.4,-109.87 35.4,-109.9 35.43,-109.95 35.5,-109.95 35.51,-109.92 35.55,-109.95 35.58,-109.96 35.65,-109.92 35.66,-109.92