Flood Watch
NWS Riverton WY ยท US
Details
Flood Watch Remains In Effect Until 6 PM MDT This Evening
- 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
A portion of north central Wyoming, including the Bighorn Mountains and Johnson County.
When
Until 6 PM MDT this evening.
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 and urban areas and around steep terrain.
Additional details
- As a weather system shifts into the High Plains, lingering moisture will allow for showers and thunderstorms to be capable of 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
- Bighorn Mountains West
- Bighorn Mountains Southeast
- Northeast Johnson County
- Southeast Johnson County
Public contact
- Issuer
- NWS Riverton WY
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~1m10s
- CAP status
- Actual
- CAP message type
- Update
- Lifecycle
- Updated
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M302F0X59NY9663PCYAM5ZB4
- Identifier
- urn:oid:2.49.0.1.840.0.c6130cc64787406a799a54806459c3c965897ac0.002.1
- 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.1513
- WMO heading
- XOUS55
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 55
References
- Sender
- w-nws.webmaster@noaa.gov
- Sent
- Sender
- w-nws.webmaster@noaa.gov
- Sent
- Sender
- w-nws.webmaster@noaa.gov
- Sent
- Sender
- w-nws.webmaster@noaa.gov
- Sent
- Sender
- w-nws.webmaster@noaa.gov
- Sent
- Sender
- w-nws.webmaster@noaa.gov
- Sent
Event codes
| Name | Value |
|---|---|
| SAME | FFA |
| NationalWeatherService | FAA |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | FFARIW |
| WMOidentifier | WGUS65 KRIW 201849 |
| NWSheadline | FLOOD WATCH REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.CON.KRIW.FA.A.0006.000000T0000Z-260921T0000Z/ |
| eventEndingTime | 2026-09-20T18:00:00-06:00 |
| BLOCKCHANNEL | CMAS |
| expiredReferences | w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.1e01e1cb2fbf2179d2312111cf90a6e2a2dd375b.001.1,2026-09-19T11:54:00-06:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.1876f5455e773be589da2d1e313e0b0bd3924509.001.1,2026-09-19T01:34:00-06:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e9cef46381c72b6f57421771f0322e97248911b0.002.1,2026-09-18T13:10:00-06:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f7ed2d85ed351e3b0a758f1c5d54b4b4690f817a.001.1,2026-09-18T03:07:00-06:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f5a18324ab2483f5a7d7b63e6a363254874ad6d8.001.1,2026-09-17T10:33:00-06:00 |
Locations
Location data
- Bighorn Mountains West
- Bighorn Mountains Southeast
- Northeast Johnson County
- Southeast Johnson County
| Name | Value |
|---|---|
| SAME | 056003 |
| SAME | 056013 |
| SAME | 056019 |
| SAME | 056025 |
| SAME | 056043 |
| UGC | WYZ008 |
| UGC | WYZ009 |
| UGC | WYZ010 |
| UGC | WYZ011 |