Flash Flood Warning
NWS Phoenix AZ ยท US
Details
Flash Flood Warning Issued September 16 At 1:44PM MST Until September 16 At 4:45PM 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 445 PM MST. * At 144 PM 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 of 1 to 2 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... Phoenix, Scottsdale, Paradise Valley, Camelback Mountain, Scottsdale Airport, Piestewa Peak Park and Downtown Scottsdale. This includes the following streams and drainages... Salt River, Indian Bend Wash and Cave Creek.
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
- Maricopa County, AZ
Public contact
- Issuer
- NWS Phoenix AZ
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~1m10s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2NZEQ66DSQ7H3RXH8D7NSR7
- Identifier
- urn:oid:2.49.0.1.840.0.ddd5311b597df77477c99be4a07214944400a4d3.001.1
- 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.4369
- WMO heading
- XOUS55
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 55
Event codes
| Name | Value |
|---|---|
| SAME | FFW |
| NationalWeatherService | FFW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | FFWPSR |
| WMOidentifier | WGUS55 KPSR 162044 |
| flashFloodDetection | RADAR INDICATED |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KPSR.FF.W.0071.260916T2044Z-260916T2345Z/ |
| eventEndingTime | 2026-09-16T16:45:00-07:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Maricopa County, AZ
| Name | Value |
|---|---|
| SAME | 004013 |
| UGC | AZC013 |
- Polygons
- 33.68,-112.05 33.54,-112.06 33.44,-111.91 33.49,-111.86 33.67,-111.88 33.68,-112.05