Dense Fog Advisory- Issued when widespread fog will reduce visibility to 1/4 mile or less.
Excessive Heat Warning- Issued when heat indexes will reach 115 F or higher for a period of three hours or more.
DENSE FOG ADVISORY Advisory issued when fog reduces visibility to 1/8 mile or less, creating possible hazardous conditions.
DENSE FOG ADVISORY
Advisory issued when fog reduces visibility to 1/8 mile or less, creating possible hazardous conditions.
Dense Fog- a fog in which the visibility is less than one-quarter mile.
Depression- a region of low atmospheric pressure that is usually accompanied by low clouds and precipitation.
Dense Fog A fog in which the visibility is <¼ mile.
Dense Fog Advisory This product is issued by the National Weather Service when widespread fog reduces visibility to less than or equal to ¼ mile.
Dense Fog Advisory: This product is issued by the National Weather Service when widespread fog reduces visibility to less than or equal to 1/4 mile.
DENSE FOG - A cloud, with its base on the surface, which reduces visibility to 1/4 of a mile or less.
DEW - Moisture that has condensed on objects near the ground, whose temperatures have fallen below the dewpoint temperature.
Dense Fog Advisory - Issued when dense fog covers a widespread area and frequently reduces visibility to 1/4 of a mile or less. Dense fog usually results in traveling problems and/or delays.
Dense Fog Advisory - It's issued when dense fog covers a widespread area and reduces visibility to ¼ of a mile or less.
Dew - Water that forms on objects close to the ground when its temperature falls below the dew point of the surface air.
Dense Fog - a fog in which the visibility is less than one-quarter mile.
Dense Fog Advisory - Issued when fog is expected to reduce visibility to 1/4 mile or less over a widespread are for at least 3 hours.
Similar measures may occur in response to heavy rain, tornadoes, hurricanes, dense fog, and other forms of inclement weather. The criterion for enacting a snow day is primarily inability of school buses to make their routes.
Dense Fog AdvisoryIssued when fog reduces visibility to 1/8 mile or less over a widespread area.
NOAA National Weather Service - Cite This Source - This Definition
Browse Related Terms: Aerosol, Dense Fog Advisory, Evaporation-mixing Fog, Freezing Fog, GF, Ground Fog, Ice Fog, Nieve Penitente, Rain Induced Fog, Shallow Fog, Steam Fog, Tule Fog, ...
Fog -A cloud based at the earth's surface consisting of tiny water droplets or, under very cold conditions, ice crystals or ice fog; generally found in calm or low wind conditions. Under dense fog conditions, ...
Special Marine Warnings, that may make small craft handling difficult especially for inexperienced boaters.
3) To provide information for a variety of conditions not covered by warnings or routine forecasts (e.g., low water conditions, dense fog, ...
 See also: Weather, Fog, Snow, Low, Visibility
  
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