Special Weather Statement
NWS Riverton WY ยท US
Details
A Strong Thunderstorm Will Impact Central Natrona County Through 700 PM MDT
- Event
- Special Weather Statement
- Issued
- Onset
- Message expires
- Category
- Meteorological
- Urgency
- Expected
- Severity
- Moderate
- Certainty
- Observed
- Response
- Execute
Description
Overview
At 622 PM MDT, Doppler radar was tracking a strong thunderstorm near Powder River, which is 31 miles northwest of Casper, moving east at 20 mph.
Hazard
Wind gusts up to 40 mph, penny size hail, and accumulating small 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... Goldeneye Reservoir around 640 PM MDT.
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. 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
- Natrona County Lower Elevations
Public contact
- Issuer
- NWS Riverton WY
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~1m3s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2Y33T4YXCV0977VCTM73VCS
- Identifier
- urn:oid:2.49.0.1.840.0.b5e5a0e3cf5ec8a3c9de5c9d97b74a55e686b6cd.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.614
- 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 200022 |
| NWSheadline | A STRONG THUNDERSTORM WILL IMPACT CENTRAL NATRONA COUNTY THROUGH 700 PM MDT |
| eventMotionDescription | 2026-09-20T00:22:00-00:00...storm...266DEG...15KT...43.03,-106.89 |
| maxWindGust | 40 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
- 42.92,-106.95 43.13,-107.07 43.25,-106.7 42.88,-106.54 42.92,-106.95