Stubborn, Dense, Freezing Fog Plagues Indiana

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Saturday, December 5, 2015, Indianapolis, IN

The National Weather Service has extended the Freezing Fog Advisory until noon, but that may not be long enough.

DMA Freezing Fog Advisory

Central Indiana is still socked in and temperatures are still below freezing.

Lebanon 7am-Current WXIN

 

ADI Temps - Right Now                                                                                                                                                                                                      The pictures of Morse Reservoir show no improvement, no change at all in the past 3 hours. The first picture is at 8:00 am and the second 11:00 am.

Morse Lake 7am WXIN

Morse Lake 7am-Current WXIN

The metro area has had visibility near zero for at least 8 hours.  the picture below is from Speedway looking toward the Indy skyline. There are small changes showing up in North Central Indiana locations including Lafayette, Kokomo and Muncie. All were reporting visibility at less than 1 mile at 10:00 am.

Pagoda-LIVE

ADI Visibility 1120

The forecast model below shows the blanket of fog breaking up over South Central Counties this afternoon. Fewer daylight hours and a lower sun angle this time of year, make it difficult for the sun to burn through the fog. Even if the fog does burn off in areas, most of the region will stay gray under a higher ceiling of clouds throughout the day.

Latest HRRR Central Indiana Composite Radar

Stabilizing high pressure is another factor allowing the thick layer of fog to persist.  It also creates a SouthEasterly airflow, which was expected to warm afternoon temperatures above average.  We’ll be hard pressed to reach these expected highs unless the sun breaks through the clouds.

Julia Windflow

Indiana Highs Today

Overnight tonight, the fog will not be as thick or as widespread as weak wave approaching from the north creates a bit of a breeze helping to keep temperatures a few degrees warmer.

High pressure will keep weather dry and warmer for much of the week ahead. A parade of weak waves moving north of our region over the next several days will bring a chance of sprinkles at times.

AM 7-Day Forecast INT - Julia

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