WWA Summary for Dense Fog Advisory

Dense Fog Advisory

URGENT - WEATHER MESSAGE
National Weather Service Pueblo CO
110 AM MST Thu Dec 4 2025

COZ084-085-041500-
/O.NEW.KPUB.FG.Y.0009.251204T0810Z-251204T1500Z/
Northern El Paso County/Monument Ridge/Rampart Range Below
7500 Feet-Colorado Springs Vicinity/Southern El Paso
County/Rampart Range Below 7400 Feet-
Including Black Forest, Colorado Springs, and Peterson Space
Force Base
110 AM MST Thu Dec 4 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM MST THIS MORNING...

* WHAT...Visibility less than 1/4 of a mile mile in dense fog.

* WHERE...El Paso.

* WHEN...Until 8 AM MST this morning.

* IMPACTS...Low visibility and icy roadways will make driving
  conditions hazardous.

* ADDITIONAL DETAILS...Several weather stations early this morning
  in El Paso county were reporting visibility of 1/4 of a mile. Web
  cams were also showing dense fog in several locations throughout
  El Paso county.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Visit us at http://www.weather.gov/pub

Hodanish

URGENT - MARINE WEATHER MESSAGE
National Weather Service Houston/Galveston TX
202 AM CST Thu Dec 4 2025

GMZ330-350-041615-
/O.EXT.KHGX.MF.Y.0035.000000T0000Z-251204T1200Z/
/O.CON.KHGX.SC.Y.0066.251204T2000Z-251205T0600Z/
Matagorda Bay-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-
202 AM CST Thu Dec 4 2025

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 6 AM CST EARLY THIS
MORNING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO MIDNIGHT CST TONIGHT...

* WHAT...For the Dense Fog Advisory, areas of dense fog will
  result in visibility under 1 NM at times. For the Small Craft
  Advisory, north winds 15 to 20 kt with gusts up to 25 kt and
  rough bay waters expected.

* WHERE...Matagorda Bay and Coastal waters from Freeport to
  Matagorda Ship Channel TX out 20 NM.

* WHEN...For the Dense Fog Advisory, until 6 AM CST early this
  morning. For the Small Craft Advisory, from 2 PM this
  afternoon to midnight CST tonight.

* IMPACTS...Conditions will be hazardous to small craft. Low
  visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
1049 PM PST Wed Dec 3 2025

ORZ507-WAZ029-041900-
/O.CON.KPDT.FG.Y.0015.000000T0000Z-251204T1900Z/
Foothills of the Northern Blue Mountains of Oregon-Foothills of
the Blue Mountains of Washington-
Including the cities of Dayton, Athena, Pilot Rock, Pendleton,
Waitsburg, and Walla Walla
1049 PM PST Wed Dec 3 2025

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THURSDAY...

* WHAT...Visibilities from one and a half miles to a quarter mile in
  dense fog.

* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
  Oregon. In Washington, Foothills of the Blue Mountains of
  Washington.

* WHEN...Until 11 AM PST Thursday.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Corpus Christi TX
1139 PM CST Wed Dec 3 2025

GMZ231-232-236-237-250-255-041900-
/O.EXT.KCRP.MF.Y.0024.000000T0000Z-251204T1200Z/
/O.NEW.KCRP.SC.Y.0054.251204T2000Z-251205T0600Z/
Baffin Bay and Upper Laguna Madre-Corpus Christi and Nueces Bays-
Copano, Aransas, and Redfish Bays-
San Antonio, Mesquite, and Espiritu Santo Bays-
Coastal waters from Baffin Bay to Port Aransas out 20 NM-
Coastal waters from Port Aransas to Matagorda Ship Channel out
20 NM-
1139 PM CST Wed Dec 3 2025

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 6 AM CST THURSDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM THURSDAY TO MIDNIGHT
CST THURSDAY NIGHT...

* WHAT...For the Dense Fog Advisory, dense fog will reduce
  visibility to one mile or less. For the Small Craft Advisory,
  north winds around 20 knots with gusts up to 25 knots and seas
  5 to 7 feet expected.

* WHERE...Baffin Bay and Upper Laguna Madre, Corpus Christi and
  Nueces Bays, Copano, Aransas, and Redfish Bays, San Antonio,
  Mesquite, and Espiritu Santo Bays, Coastal waters from Baffin
  Bay to Port Aransas out 20 NM and Coastal waters from Port
  Aransas to Matagorda Ship Channel out 20 NM.

* WHEN...For the Dense Fog Advisory, until 6 AM CST Thursday.
  For the Small Craft Advisory, from 2 PM Thursday to midnight
  CST Thursday night.

* IMPACTS...Strong to very strong winds and/or increased seas
  will result in hazardous marine conditions especially for
  inexperienced mariners with smaller vessels. Low visibility
  will make navigation difficult.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Denver CO
922 PM MST Wed Dec 3 2025

COZ038-043-044-041700-
/O.NEW.KBOU.FG.Y.0014.251204T0422Z-251204T1700Z/
Larimer County Below 6000 Feet/Northwest Weld County-Central and
South Weld County-Morgan County-
Including the cities of Brush, Fort Lupton, Greeley, Loveland, Eaton,
Goodrich, Fort Collins, Hereford, Roggen, Fort Morgan, Wiggins, and
Nunn
922 PM MST Wed Dec 3 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM MST THURSDAY...

* WHAT...Visibility one quarter mile or less in dense fog.

* WHERE...Eastern Larimer, Central Weld, and Morgan Counties,
  including Fort Collins, Greeley, and Fort Morgan.

* WHEN...Until 10 AM MST Thursday.

* IMPACTS...Low visibility will make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

For more information from the National Weather Service, visit
https://weather.gov/bou

URGENT - WEATHER MESSAGE
National Weather Service Anchorage AK
613 PM AKST Wed Dec 3 2025

AKZ701-041800-
/O.NEW.PAFC.FG.Y.0014.251204T0313Z-251204T1800Z/
Anchorage-
Including the cities of Eagle River, Eklutna, and Anchorage
613 PM AKST Wed Dec 3 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM AKST THURSDAY...

* WHAT...Visibility one-quarter mile or less in dense fog.

* WHERE...Anchorage, with the worst conditions in the Anchorage Bowl.

* WHEN...Until 9 AM AKST Thursday.

* IMPACTS...Hazardous driving conditions due to low visibility.

* ADDITIONAL DETAILS...Fog has been observed across Anchorage with
  sudden visibility reductions, especially towards northern and
  eastern portions of Anchorage bowl. With temperatures hovering
  around freezing, any moisture on roads and surfaces could
  refreeze. Reductions in visibility along with slick surfaces could
  make travel difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A dense fog advisory means visibilities will frequently be reduced
to less than one quarter mile. If driving, slow down, use your
headlights, and leave plenty of distance ahead of you.

&&

$$