Dense Fog Advisory
NWS San Francisco CA ยท US
New
This event was updated at .
Details
Dense Fog Advisory Now In Effect Until 11 AM PST This Morning
- Event
- Dense Fog Advisory
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Expected
- Severity
- Minor
- Certainty
- Likely
- Response
- Prepare
Description
What
Dense fog will reduce visibility to 1/4 NM or less.
Where
San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge and San Francisco Bay South of the Bay Bridge.
When
Until 11 AM PST this morning.
Impacts
Low visibility will make navigation difficult.
Instructions
If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.
Affected areas
- San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge
- San Francisco Bay South of the Bay Bridge
Public contact
- Issuer
- NWS San Francisco CA
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~1m22s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M70M1WNCFPCZFEDM2BVSYKR4
- Identifier
- urn:oid:2.49.0.1.840.0.4d751f529c8a581b60a873be3908b3ef9c5e6b32.001.1
- 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.1642
- WMO heading
- XOUS56
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 56
References
- Sender
- [email protected]
- Sent
Event codes
| Name | Value |
|---|---|
| SAME | NWS |
| NationalWeatherService | MFY |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | MWWMTR |
| WMOidentifier | WHUS76 KMTR 091659 |
| NWSheadline | DENSE FOG ADVISORY NOW IN EFFECT UNTIL 11 AM PST THIS MORNING |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| VTEC | /O.EXT.KMTR.MF.Y.0009.000000T0000Z-261109T1900Z/ |
| eventEndingTime | 2026-11-09T11:00:00-08:00 |
| BLOCKCHANNEL | CMAS |
| expiredReferences | [email protected],urn:oid:2.49.0.1.840.0.dcdeaeeacd67248bf18b9455ad89f6f465a0c4a2.001.1,2026-11-09T07:00:00-08:00 |
Locations
Location data
- San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge
- San Francisco Bay South of the Bay Bridge
| Name | Value |
|---|---|
| SAME | 057530 |
| SAME | 057531 |
| UGC | PZZ530 |
| UGC | PZZ531 |