Special Weather Statement
NWS Riverton WY ยท US
New
Details
Strong Thunderstorms Will Impact North Central Natrona County Through 745 PM MDT
- Event
- Special Weather Statement
- Issued
- Onset
- Message expires
- Category
- Meteorological
- Urgency
- Expected
- Severity
- Moderate
- Certainty
- Observed
- Response
- Execute
Description
Overview
At 708 PM MDT, Doppler radar was tracking a cluster of strong thunderstorms capable of producing a landspout 9 miles north of Goldeneye Reservoir, which is 30 miles northwest of Casper, moving northeast at 15 mph.
Hazard
Landspouts, wind gusts of 50 to 55 mph, and penny size hail.
Source
Radar indicated.
Impacts
Minor damage to outdoor objects is possible. Gusty winds could knock down tree limbs and blow around unsecured objects. This storm will remain over mainly rural areas of north central Natrona County.
Instructions
If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways.
Affected areas
- Natrona County Lower Elevations
Public contact
- Issuer
- NWS Riverton WY
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~34s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2Y5Q5C4XPKAHH8WCE1ZDMFG
- Identifier
- urn:oid:2.49.0.1.840.0.53102e7a99043bdf7346cd912f7d4d66892c796b.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.1842
- 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 200108 |
| NWSheadline | STRONG THUNDERSTORMS WILL IMPACT NORTH CENTRAL NATRONA COUNTY THROUGH 745 PM MDT |
| eventMotionDescription | 2026-09-20T01:08:00-00:00...storm...244DEG...13KT...43.16,-106.73 |
| maxWindGust | 55 MPH |
| maxHailSize | 0.75 |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Natrona County Lower Elevations
| Name | Value |
|---|---|
| SAME | 056025 |
| UGC | WYZ020 |
- Polygons
- 43.08,-106.8 43.23,-106.95 43.37,-106.68 43.16,-106.48 43.08,-106.8