Warning Vector

Flash Flood Warning

NWS Tucson AZ ยท US

New
This event was updated at .

Details

Flash Flood Warning Issued September 16 At 5:52PM MST Until September 16 At 8:45PM MST By NWS Tucson AZ

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

Description

Overview

FFWTWC The National Weather Service in Tucson has issued a * Flash Flood Warning for... Northeastern Pima County in southeastern Arizona... * Until 845 PM MST. * At 552 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. 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... Tucson, Oro Valley, Marana, Casas Adobes, Drexel Heights, Flowing Wells, Pascua Pueblo Yaqui Reservation, Tortolita, Tucson Mountain Park, Saguaro National Park West, Tucson Estates, Valencia West, Catalina Foothills, Picture Rocks, Ryan AirField and Dove Mountain. This includes the following highways... Route 86 between mile markers 160 and 170. Route 77 between mile markers 70 and 76. Interstate 10 between mile markers 240 and 258. This includes the following Flash Flood Prone Locations... 1st Ave north of Fort Lowell Rd, Stone Ave at Mabel St, Silverbell Rd near Ina Rd, Camino De La Tierra at the Rillito River, Camino de Oeste from Sweetwater to Gates Pass, Ironwood Hills Dr from Shannon to Camino de Oeste, Mark Rd from Jeffery Rd to Los Reales Rd, Overton Rd at Canada del Oro, Sunset Rd west of Camino de Oeste and Black Wash at S Camino de Oeste.

Instructions

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.

Affected areas

  • Pima County, AZ

Public contact

Issuer
NWS Tucson AZ

Message record

Received
Issue to receipt
~52s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2PDM8M6BVYRT2E6NMAFAE5T
Identifier
urn:oid:2.49.0.1.840.0.65392289b35423c6bddecd9e6bb87ea750b347ed.001.1
Sender
w-nws.webmaster@noaa.gov
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Tucson AZ
AWIPS ID
CAPTWC
NWWS sequence
nwws_processor.1294
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
AWIPSidentifierFFWTWC
WMOidentifierWGUS55 KTWC 170052
flashFloodDetectionRADAR INDICATED
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.NEW.KTWC.FF.W.0225.260917T0052Z-260917T0345Z/
eventEndingTime2026-09-16T20:45:00-07:00
BLOCKCHANNELCMAS
Locations

Location data

  • Pima County, AZ
NameValue
SAME004019
UGCAZC019
Polygons
32.0,-111.2 31.99,-111.14 32.31,-110.91 32.48,-111.1 32.41,-111.2 32.07,-111.17 32.01,-111.2 32.0,-111.19 32.0,-111.2