Flood Watch

NWS Riverton WY · US

Updated

Details

Flood Watch Will Expire At 6 PM MDT This Evening

Event: Flood Watch
Issued: 2026-09-20 23:38:00 UTC
Onset: 2026-09-20 23:38:00 UTC
Message expires: 2026-09-21 00:45:00 UTC
Expected end: 2026-09-21 00:00:00 UTC
Category: Meteorological
Urgency: Future
Severity: Severe
Certainty: Possible
Response: Prepare

Description

The Flood Watch will expire for a portion of north central Wyoming, including the following areas, Bighorn Mountains Southeast, Bighorn Mountains West, Northeast Johnson County and Southeast Johnson County. The flash flooding threat has ended. Therefore, the Flood Watch will expire at 6 PM MDT this evening.

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: 2026-09-20 23:38:57 UTC
Issue to receipt: ~58s
CAP status: Actual
CAP message type: Update
Lifecycle: Updated
Source: NWWS-OI
Feed: NWWS
Recovered: No

CAP routing and identity

ULID: 01M30JZTHW9D58E78T5P277H6V
Identifier: urn:oid:2.49.0.1.840.0.3e6e440539d105ebf822fd226bda62ab37c190cc.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.9360
WMO heading: XOUS55
WMO data type: CAP alert message XML (XO)
WMO geography: United States (US)
WMO bulletin number: 55

References

Identifier: urn:oid:2.49.0.1.840.0.69dcb83c330bfb65a3c681c097499c7a71c5f577.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-20 08:10:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.c6130cc64787406a799a54806459c3c965897ac0.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-20 18:49:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.1e01e1cb2fbf2179d2312111cf90a6e2a2dd375b.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-19 17:54:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.1876f5455e773be589da2d1e313e0b0bd3924509.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-19 07:34:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.e9cef46381c72b6f57421771f0322e97248911b0.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-18 19:10:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.f7ed2d85ed351e3b0a758f1c5d54b4b4690f817a.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-18 09:07:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.f5a18324ab2483f5a7d7b63e6a363254874ad6d8.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-17 16:33:00 UTC

Event codes

Name	Value
SAME	FFA
NationalWeatherService	FAA

Parameters

Name	Value
AWIPSidentifier	FFARIW
WMOidentifier	WGUS65 KRIW 202338
NWSheadline	FLOOD WATCH WILL EXPIRE AT 6 PM MDT THIS EVENING
BLOCKCHANNEL	EAS
BLOCKCHANNEL	NWEM
EAS-ORG	WXR
VTEC	/O.EXP.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