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Flash Flood Warning

NWS Salt Lake City UT ยท US

New WEA Activation

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Flash Flood Warning issued September 15 at 5:24PM MDT until September 15 at 8:00PM MDT by NWS Salt Lake City UT

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

Description

Overview

FFWSLC The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... South Central Emery County in central Utah... * Until 800 PM MDT. * At 524 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the San Rafael Swell, including Iron Wash, Ernie Canyon and Eardley Canyon. The expected rainfall rate is 0.5 to 0.75 inches in 30 minutes. 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 slot canyons and normally dry washes. * Some locations that will experience flash flooding include... Iron Wash, Ernie Canyon, Eardley Canyon, and other nearby slot canyons within the San Rafael Swell.

Instructions

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Remain alert for flooding even in locations not receiving rain. Dry washes, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall.

Affected areas

  • Emery, UT

Public contact

Issuer
NWS Salt Lake City UT

es-US

Flash Flood Warning issued September 15 at 5:24PM MDT until September 15 at 8:00PM MDT by NWS Salt Lake City UT

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

Description

Overview

FFWSLC The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... South Central Emery County in central Utah... * Until 800 PM MDT. * At 524 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the San Rafael Swell, including Iron Wash, Ernie Canyon and Eardley Canyon. The expected rainfall rate is 0.5 to 0.75 inches in 30 minutes. 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 slot canyons and normally dry washes. * Some locations that will experience flash flooding include... Iron Wash, Ernie Canyon, Eardley Canyon, and other nearby slot canyons within the San Rafael Swell.

Instructions

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Remain alert for flooding even in locations not receiving rain. Dry washes, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall.

Affected areas

  • Emery, UT

Public contact

Issuer
NWS Salt Lake City UT

Message record

Received
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2KP5CF1DCFCE9E9BBY3M9W4
Identifier
urn:oid:2.49.0.1.840.0.47f738a08d42f5d3b201ea52460dd5e76fe1d200.001.1
Sender
w-nws.webmaster@noaa.gov
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Salt Lake City UT
AWIPS ID
CAPSLC
NWWS sequence
nwws_processor.8774
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
AWIPSidentifierFFWSLC
WMOidentifierWGUS55 KSLC 152324
flashFloodDetectionRADAR INDICATED
flashFloodDamageThreatCONSIDERABLE
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.NEW.KSLC.FF.W.0125.260915T2324Z-260916T0200Z/
eventEndingTime2026-09-15T20:00:00-06:00
WEAHandlingImminent Threat
CMAMtextNWS: FLASH FLOOD WARNING this area til 8:00 PM MDT. Avoid flooded areas.
CMAMlongtextNational Weather Service: A FLASH FLOOD WARNING is in effect for this area until 8:00 PM MDT. 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
AWIPSidentifierFFWSLC
WMOidentifierWGUS55 KSLC 152324
flashFloodDetectionRADAR INDICATED
flashFloodDamageThreatCONSIDERABLE
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.NEW.KSLC.FF.W.0125.260915T2324Z-260916T0200Z/
eventEndingTime2026-09-15T20:00:00-06:00
WEAHandlingImminent Threat
CMAMtextSNM: AVISO DE INUNDACIONES REPENTINAS hasta 8:00 PM MDT. Evite areas inundadas.
CMAMlongtextServicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 8:00 PM MDT. 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

  • Emery, UT
NameValue
SAME049015
UGCUTC015
Polygons
38.75,-110.73 38.63,-110.63 38.71,-110.51 38.86,-110.4 38.89,-110.57 38.75,-110.73

Location data

  • Emery, UT
NameValue
SAME049015
UGCUTC015
Polygons
38.75,-110.73 38.63,-110.63 38.71,-110.51 38.86,-110.4 38.89,-110.57 38.75,-110.73