Special Weather Statement
NWS Riverton WY ยท US
Details
A Strong Thunderstorm Will Impact Northwestern Sweetwater County Through 515 PM MDT
- Event
- Special Weather Statement
- Issued
- Onset
- Message expires
- Category
- Meteorological
- Urgency
- Expected
- Severity
- Moderate
- Certainty
- Observed
- Response
- Execute
Description
Overview
At 444 PM MDT, Doppler radar was tracking a strong thunderstorm 13 miles southwest of Boars Tusk, which is 18 miles northwest of Rock Springs, moving northeast at 30 mph.
Hazard
Wind gusts up to 50 mph and half inch hail.
Source
Radar indicated.
Impacts
Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Boars Tusk and Killpecker Dune Field.
Instructions
If outdoors, consider seeking shelter inside a building. Heavy rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways. 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.
Affected areas
- Green Mountains and Rattlesnake Range
- Rock Springs and Green River
- East Sweetwater County
Public contact
- Issuer
- NWS Riverton WY
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~59s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2RRRMWW41S3JRD422KEFGGV
- Identifier
- urn:oid:2.49.0.1.840.0.1e04884235156ffbe5d2c569ba6fc6a5c95ad1ea.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.7659
- 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 172245 |
| NWSheadline | A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN SWEETWATER COUNTY THROUGH 515 PM MDT |
| eventMotionDescription | 2026-09-17T22:44:00-00:00...storm...236DEG...27KT...41.84,-109.4 |
| maxWindGust | 50 MPH |
| maxHailSize | 0.50 |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Green Mountains and Rattlesnake Range
- Rock Springs and Green River
- East Sweetwater County
| Name | Value |
|---|---|
| SAME | 056013 |
| SAME | 056025 |
| SAME | 056037 |
| UGC | WYZ019 |
| UGC | WYZ028 |
| UGC | WYZ030 |
- Polygons
- 41.73,-109.44 41.85,-109.56 41.98,-109.34 42.03,-109.22 42.06,-109.22 42.09,-109.16 41.79,-108.95 41.73,-109.44