Warning Vector

Flash Flood Warning

NWS Riverton WY ยท US

New
This event was updated at .

Details

Flash Flood Warning Issued September 19 At 6:25PM MDT Until September 19 At 9:30PM MDT By NWS Riverton WY

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

Description

Overview

FFWRIW The National Weather Service in Riverton has issued a * Flash Flood Warning for... Southern Fremont County in central Wyoming... * Until 930 PM MDT. * At 625 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3 inches of rain have 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, as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Mainly rural areas of Southern Fremont County. This includes the following streams and drainages... Little Popo Agie River, Grant Young Ditch, Monument Draw, North Fork Ballenger Draw, Popo Agie River and Government Draw.

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. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.

Affected areas

  • Fremont County, WY

Public contact

Issuer
NWS Riverton WY

Message record

Received
Issue to receipt
~1m11s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2Y39HQHFT057YRCV41SWX5D
Identifier
urn:oid:2.49.0.1.840.0.84426ce1515ab26014281d4858d1b4f293f6845f.001.1
Sender
w-nws.webmaster@noaa.gov
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Riverton WY
AWIPS ID
CAPRIW
NWWS sequence
nwws_processor.697
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
AWIPSidentifierFFWRIW
WMOidentifierWGUS55 KRIW 200025
flashFloodDetectionRADAR INDICATED
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.NEW.KRIW.FF.W.0003.260920T0025Z-260920T0330Z/
eventEndingTime2026-09-19T21:30:00-06:00
BLOCKCHANNELCMAS
Locations

Location data

  • Fremont County, WY
NameValue
SAME056013
UGCWYC013
Polygons
42.81,-108.67 42.83,-108.66 42.88,-108.61 42.86,-108.55 42.84,-108.5 42.8,-108.5 42.79,-108.52 42.77,-108.55 42.77,-108.57 42.78,-108.6 42.81,-108.67