Severe Thunderstorm Warning
NWS Sacramento CA ยท US
New
Details
Severe Thunderstorm Warning Issued September 21 At 3:29PM PDT Until September 21 At 4:15PM PDT By NWS Sacramento CA
- Event
- Severe Thunderstorm Warning
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Immediate
- Severity
- Severe
- Certainty
- Observed
- Response
- Shelter
Description
Overview
SVRSTO The National Weather Service in Sacramento has issued a * Severe Thunderstorm Warning for... Southern Plumas County in northern California... Western Sierra County in northern California... * Until 415 PM PDT. * At 329 PM PDT, a severe thunderstorm was located 7 miles southeast of Gibsonville, or 9 miles north of Downieville, moving south at 5 mph.
Hazard
Quarter size hail.
Source
Radar indicated.
Impacts
Damage to vehicles is expected.
Locations impacted
Downieville, Gibsonville, Little Grass Valley and La Porte.
Instructions
Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing large hail.
Affected areas
- Plumas County, CA
- Sierra County, CA
Public contact
- Issuer
- NWS Sacramento CA
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~17s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M331CYHADTCG16VH5FPKK3MW
- Identifier
- urn:oid:2.49.0.1.840.0.110eb8a38392aa0f17f003a0a9cf8543625ff9ca.001.1
- Sender
- w-nws.webmaster@noaa.gov
- Scope
- Public
- CAP source
- 211803 v2.3.0
- Handling codes
- IPAWSv1.0
- Issuing office
- NWS Sacramento CA
- AWIPS ID
- CAPSTO
- NWWS sequence
- nwws_processor.7943
- WMO heading
- XOUS56
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 56
Event codes
| Name | Value |
|---|---|
| SAME | SVR |
| NationalWeatherService | SVW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | SVRSTO |
| WMOidentifier | WUUS56 KSTO 212229 |
| windThreat | RADAR INDICATED |
| maxWindGust | Up to 50 MPH |
| hailThreat | RADAR INDICATED |
| maxHailSize | 1.00 |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KSTO.SV.W.0037.260921T2229Z-260921T2315Z/ |
| eventEndingTime | 2026-09-21T16:15:00-07:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Plumas County, CA
- Sierra County, CA
| Name | Value |
|---|---|
| SAME | 006063 |
| SAME | 006091 |
| UGC | CAC063 |
| UGC | CAC091 |
- Polygons
- 39.64,-121.0 39.77,-120.98 39.72,-120.72 39.71,-120.72 39.69,-120.7 39.68,-120.68 39.54,-120.66 39.57,-121.01 39.64,-121.0