Warning Vector

Special Weather Statement

NWS Riverton WY ยท US

New

Details

A Strong Thunderstorm Will Impact West Central Lincoln County Through 900 PM MDT

Event
Special Weather Statement
Issued
Onset
Message expires
Category
Meteorological
Urgency
Expected
Severity
Moderate
Certainty
Observed
Response
Execute

Description

Overview

At 819 PM MDT, Doppler radar was tracking a strong thunderstorm near Salt River Pass, which is 17 miles south of Afton, moving north at 35 mph.

Hazard

Wind gusts up to 40 mph and penny size hail.

Source

Radar indicated.

Impacts

Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. This strong thunderstorm will be near... Smoot around 830 PM MDT. Other locations in the path of this storm include Afton.

Instructions

If outdoors, consider seeking shelter inside a building. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service.

Affected areas

  • Star Valley
  • Salt River and Wyoming Ranges

Public contact

Issuer
NWS Riverton WY

Message record

Received
Issue to receipt
~1m9s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2S50SHQDYB0BRNNJV1CWR62
Identifier
urn:oid:2.49.0.1.840.0.f2c1ec90ab23a2f90f49410ddfddafaf991a69b0.001.1
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.3397
WMO heading
XOUS55
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
55

Event codes

NameValue
SAMESPS
NationalWeatherServiceSPS

Parameters

NameValue
AWIPSidentifierSPSRIW
WMOidentifierWWUS85 KRIW 180219
NWSheadlineA STRONG THUNDERSTORM WILL IMPACT WEST CENTRAL LINCOLN COUNTY THROUGH 900 PM MDT
eventMotionDescription2026-09-18T02:19:00-00:00...storm...192DEG...30KT...42.49,-111.01
maxWindGust40 MPH
maxHailSize0.75
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
BLOCKCHANNELCMAS
Locations

Location data

  • Star Valley
  • Salt River and Wyoming Ranges
NameValue
SAME056023
SAME056035
UGCWYZ023
UGCWYZ024
Polygons
42.77,-111.04 42.77,-110.77 42.33,-110.89 42.34,-111.05 42.77,-111.04