Special Weather Statement
NWS Riverton WY ยท US
Details
Strong Thunderstorms Will Impact Southern Natrona County Through 430 PM MDT
- Event
- Special Weather Statement
- Issued
- Onset
- Message expires
- Category
- Meteorological
- Urgency
- Expected
- Severity
- Moderate
- Certainty
- Observed
- Response
- Execute
Description
Overview
At 346 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 12 miles south of Powder River to 9 miles east of Bates Hole. Movement was northeast at 20 mph.
Hazard
Wind gusts of 50 to 55 mph and pea 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. Strong thunderstorms will be near... Beartrap Meadows County Park and Emigrant Gap around 405 PM MDT. Other locations in the path of these storms include southwestern Casper, Red Butte, Mills and Paradise Valley. This includes Interstate 25 between mile markers 176 and 195.
Instructions
If outdoors, consider seeking shelter inside a building. These storms 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
- Green Mountains and Rattlesnake Range
- Natrona County Lower Elevations
- Casper Mountain
Public contact
- Issuer
- NWS Riverton WY
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~1m12s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2V7SR3C0V88C61CSM30043B
- Identifier
- urn:oid:2.49.0.1.840.0.c693f1b08659e27dda298089c7059316f55a2430.001.1
- 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.6530
- WMO heading
- XOUS55
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 55
Event codes
| Name | Value |
|---|---|
| SAME | SPS |
| NationalWeatherService | SPS |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | SPSRIW |
| WMOidentifier | WWUS85 KRIW 182146 |
| NWSheadline | STRONG THUNDERSTORMS WILL IMPACT SOUTHERN NATRONA COUNTY THROUGH 430 PM MDT |
| eventMotionDescription | 2026-09-18T21:46:00-00:00...storm...215DEG...19KT...42.86,-107.03 42.53,-106.26 |
| maxWindGust | 55 MPH |
| maxHailSize | 0.25 |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Green Mountains and Rattlesnake Range
- Natrona County Lower Elevations
- Casper Mountain
| Name | Value |
|---|---|
| SAME | 056013 |
| SAME | 056025 |
| SAME | 056037 |
| UGC | WYZ019 |
| UGC | WYZ020 |
| UGC | WYZ022 |
- Polygons
- 42.43,-106.6 42.84,-107.24 43.01,-106.54 42.87,-106.07 42.75,-106.08 42.72,-106.07 42.65,-106.08 42.43,-106.07 42.43,-106.6