Special Weather Statement
NWS Riverton WY ยท US
New
Details
Strong Thunderstorms Will Impact Northeastern Natrona And South Central Johnson Counties Through 500 PM MDT
- Event
- Special Weather Statement
- Issued
- Onset
- Message expires
- Category
- Meteorological
- Urgency
- Expected
- Severity
- Moderate
- Certainty
- Observed
- Response
- Execute
Description
Overview
At 416 PM MDT, Doppler radar was tracking a cluster of strong thunderstorms along a line extending from 6 miles northwest of Red Wall to Bar Nunn. Movement was northeast at 25 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... Homa Hills and Red Wall around 420 PM MDT. Antelope Hills around 425 PM MDT. Hole In The Wall around 430 PM MDT. Other locations in the path of these storms include Teapot Rock. This includes Interstate 25 between mile markers 195 and 255.
Instructions
If outdoors, consider seeking shelter inside a building.
Affected areas
- Bighorn Mountains Southeast
- Southeast Johnson County
- Natrona County Lower Elevations
Public contact
- Issuer
- NWS Riverton WY
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~26s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2V9H38G3GERMCGBAE3H2RPB
- Identifier
- urn:oid:2.49.0.1.840.0.321f9a3e4ff0705b9dc7ea36fea3a22d873e4b5e.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.7394
- 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 182217 |
| NWSheadline | STRONG THUNDERSTORMS WILL IMPACT NORTHEASTERN NATRONA AND SOUTH CENTRAL JOHNSON COUNTIES THROUGH 500 PM MDT |
| eventMotionDescription | 2026-09-18T22:16:00-00:00...storm...225DEG...22KT...43.48,-106.99 42.92,-106.35 |
| maxWindGust | 55 MPH |
| maxHailSize | 0.25 |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Bighorn Mountains Southeast
- Southeast Johnson County
- Natrona County Lower Elevations
| Name | Value |
|---|---|
| SAME | 056019 |
| SAME | 056025 |
| SAME | 056043 |
| UGC | WYZ009 |
| UGC | WYZ011 |
| UGC | WYZ020 |
- Polygons
- 43.0,-106.54 42.95,-106.77 43.46,-107.16 43.79,-106.72 43.42,-106.17 43.34,-106.07 42.87,-106.07 43.0,-106.54