Warning Vector

Flash Flood Warning

NWS Phoenix AZ ยท US

New
This event was updated at .

Details

Flash Flood Warning Issued September 16 At 11:51AM MST Until September 16 At 1:45PM MST By NWS Phoenix AZ

Event
Flash Flood Warning
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Immediate
Severity
Severe
Certainty
Likely
Response
Avoid

Description

Overview

FFWPSR The National Weather Service in Phoenix has issued a * Flash Flood Warning for... Maricopa County in south central Arizona... * Until 145 PM MST. * At 1151 AM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts up to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

Hazard

Flash flooding caused by thunderstorms.

Source

Radar indicated.

Impacts

Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Mesa and Falcon Field Airport.

Instructions

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Affected areas

  • Maricopa County, AZ

Public contact

Issuer
NWS Phoenix AZ

Message record

Received
Issue to receipt
~42s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2NRYZ0GCWDMM2BQ7W76YDFS
Identifier
urn:oid:2.49.0.1.840.0.27dcc368c2044b78f68e2d32a980de4ff081f056.001.1
Sender
w-nws.webmaster@noaa.gov
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Phoenix AZ
AWIPS ID
CAPPSR
NWWS sequence
nwws_processor.1505
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
AWIPSidentifierFFWPSR
WMOidentifierWGUS55 KPSR 161851
flashFloodDetectionRADAR INDICATED
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.NEW.KPSR.FF.W.0066.260916T1851Z-260916T2045Z/
eventEndingTime2026-09-16T13:45:00-07:00
BLOCKCHANNELCMAS
Locations

Location data

  • Maricopa County, AZ
NameValue
SAME004013
UGCAZC013
Polygons
33.49,-111.76 33.43,-111.74 33.43,-111.67 33.5,-111.68 33.49,-111.76