Warning Vector

Flood Watch

NWS Riverton WY ยท US

New
This event was updated at .

Details

Flood Watch In Effect Through Sunday Afternoon

Event
Flood Watch
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Future
Severity
Severe
Certainty
Possible
Response
Prepare

Description

What

Flash flooding caused by moderate to heavy rainfall is possible, especially in terrain and poor drainage areas.

Where

Northwest Wyoming, including Yellowstone National Park.

When

Through Sunday afternoon.

Impacts

Heavy rainfall may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage areas and around steep terrain.

Additional details

- A slow moving weather system will move across Wyoming today through Sunday and bring rounds of showers and thunderstorms to the region, especially northern Wyoming. Any shower or thunderstorm could produce moderate to heavy rainfall across the Watch Area. - http://www.weather.gov/safety/flood

Instructions

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

Affected areas

  • Yellowstone National Park

Public contact

Issuer
NWS Riverton WY

Message record

Received
Issue to receipt
~27s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2TYTQJKMY1QX51Z5J9ET3YT
Identifier
urn:oid:2.49.0.1.840.0.e9cef46381c72b6f57421771f0322e97248911b0.001.1
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.2033
WMO heading
XOUS55
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
55

Event codes

NameValue
SAMEFFA
NationalWeatherServiceFAA

Parameters

NameValue
AWIPSidentifierFFARIW
WMOidentifierWGUS65 KRIW 181910
NWSheadlineFLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.EXA.KRIW.FA.A.0006.000000T0000Z-260921T0000Z/
eventEndingTime2026-09-20T18:00:00-06:00
BLOCKCHANNELCMAS
Locations

Location data

  • Yellowstone National Park
NameValue
SAME016043
SAME056029
SAME056039
SAME030031
UGCWYZ001