Dense Fog Advisory

URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
647 PM PST Wed Dec 10 2025

CAZ300-304-308-313-316>322-334>336-111100-
/O.CON.KHNX.FG.Y.0037.000000T0000Z-251211T1900Z/
West Side Mountains north of 198-Coalinga - Avenal-West Side
Mountains South of 198-Buena Vista-South End San Joaquin Valley-
Mariposa Madera Foothills-Mariposa-Madera Lower Sierra-Fresno-
Tulare Foothills-Fresno-Tulare Lower Sierra-South End Sierra
Foothills-South End of the Lower Sierra-Tehachapi-Grapevine-
Frazier Mountain Communities-
Including the cities of Coalinga, Arvin, Taft, Grapevine,
McKittrick, Blackwells Corner, Coarsegold, Avenal, Lebec, North
Fork, Tehachapi, Fish Camp, Oakhurst, Lamont, Camp Nelson,
Mariposa, Auberry, San Luis Reservoir, Frazier Park, El Portal,
Millerton Lake, and Bass Lake
647 PM PST Wed Dec 10 2025

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THURSDAY FOR
ELEVATIONS BETWEEN 1000 AND 2500 FEET...

* WHAT...Visibility one quarter mile or less in dense fog for
  elevations between 1,000 and 2,500 feet.

* WHERE...A portion of central California.

* WHEN...Until 11 AM PST Thursday.

* IMPACTS...Sudden encounter of low visibility could make driving
  conditions hazardous.

* ADDITIONAL DETAILS...Mountain Highways included but not limited
  to: 41, 58, 152, 168, 198 and Interstate 5.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

SM

Small Craft Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
833 PM PST Wed Dec 10 2025

PZZ571-111245-
/O.CON.KMTR.SC.Y.0213.000000T0000Z-251211T2300Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
833 PM PST Wed Dec 10 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
THURSDAY...

* WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas
  9 to 11 ft.

* WHERE...Waters from Point Reyes to Pigeon Point 10-60 NM.

* WHEN...Until 3 PM PST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

Beach Hazards Statement

Coastal Hazard Message
National Weather Service San Francisco CA
148 PM PST Wed Dec 10 2025

CAZ006-505-509-529-530-111400-
/O.CON.KMTR.BH.S.0022.000000T0000Z-251213T0600Z/
San Francisco-
Coastal North Bay Including Point Reyes National Seashore-
San Francisco Peninsula Coast-Northern Monterey Bay-
Southern Monterey Bay and Big Sur Coast-
148 PM PST Wed Dec 10 2025

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH FRIDAY
EVENING...

* WHAT...Long period westerly swell will result in strong rip
  currents, sneaker waves, and breaking waves of 12 to 16 feet.

* WHERE...Pacific Ocean coast.

* WHEN...Through Friday evening.

* IMPACTS...Sneaker waves can unexpectedly run significantly
  farther up the beach than normal, including over rocks and
  jetties. Rip currents are typically stronger in the vicinity
  of jetties, inlets, and piers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Dangerous conditions are forecast along the shoreline. Hazards
include sneaker waves, strong rip currents, and large breaking
waves. Stay off the rocks and NEVER turn your back on the ocean!

&&

$$

Air Stagnation Advisory

URGENT - WEATHER MESSAGE
National Weather Service Boise ID
130 PM MST Wed Dec 10 2025

IDZ012-014-016-033-ORZ061>064-111200-
/O.NEW.KBOI.AS.Y.0004.251212T1200Z-251215T1200Z/
Lower Treasure Valley-Upper Treasure Valley-Western Magic Valley-
Upper Weiser River-Harney County-Baker County-Malheur County-
Oregon Lower Treasure Valley-
Including the cities of Cambridge, Goodrich, Buchanan, Nyssa,
Boise, Ontario, Baker, Venator, Malheur City, Caldwell, Nampa,
Twin Falls, Mesa, Glendale, Burns, Crane, New Princeton, Indian
Valley, Dunnean, Diamond, Council, and Fruitvale
130 PM MST Wed Dec 10 2025 /1230 PM PST Wed Dec 10 2025/

...AIR STAGNATION ADVISORY IN EFFECT FROM 5 AM MST /4 AM PST/ FRIDAY
TO 5 AM MST /4 AM PST/ MONDAY...

* WHAT...An extended period of stagnant air, with light winds and
  little vertical mixing. This is due to an inversion near the
  surface that will continue to trap pollutants.

* WHERE...Portions of south central and southwest Idaho and
  northeast and southeast Oregon.

* WHEN...From 5 AM MST /4 AM PST/ Friday to 5 AM MST /4 AM PST/
  Monday.

* IMPACTS...Poor air quality may cause issues for people with
  respiratory problems.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons with respiratory illness should follow their physicians
advice for dealing with high levels of air pollution during periods
of stagnant air.

&&

$$

JY