Dense Fog Advisory
NWS San Francisco CA ยท US
New
This event was updated at .
Details
Dense Fog Advisory In Effect Until 9 AM PST This Morning
- Event
- Dense Fog Advisory
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Expected
- Severity
- Moderate
- Certainty
- Likely
- Response
- Execute
Description
What
Visibility one quarter mile or less in dense fog.
Where
North Bay Interior Valleys County.
When
Until 9 AM PST this morning.
Impacts
Low visibility could make driving conditions hazardous.
Instructions
If driving, slow down, use your headlights, and leave plenty of distance ahead of you. Patchy dense fog will result in sudden changes in visibility. Visibility at times will fall below one-quarter of a mile. Use your low beam headlights, slow down, and be prepared for periods of hazardous driving conditions.
Affected areas
- North Bay Interior Valleys
Public contact
- Issuer
- NWS San Francisco CA
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~44s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M6ZSVYR3GGK08ZJNQS5CH4N9
- Identifier
- urn:oid:2.49.0.1.840.0.147fd4e3b928801247c3821a624af6a2846fc7c2.001.1
- Sender
- [email protected]
- Scope
- Public
- CAP source
- 211803 v2.3.0
- Handling codes
- IPAWSv1.0
- Issuing office
- NWS San Francisco CA
- AWIPS ID
- CAPMTR
- NWWS sequence
- nwws_processor.5667
- 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 | NWS |
| NationalWeatherService | FGY |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | NPWMTR |
| WMOidentifier | WWUS76 KMTR 090922 |
| NWSheadline | DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM PST THIS MORNING |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| VTEC | /O.NEW.KMTR.FG.Y.0012.261109T0922Z-261109T1700Z/ |
| eventEndingTime | 2026-11-09T09:00:00-08:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- North Bay Interior Valleys
| Name | Value |
|---|---|
| SAME | 006041 |
| SAME | 006055 |
| SAME | 006097 |
| UGC | CAZ506 |