1005 AM CST MON FEB 6 2012

…DENSE FOG ADVISORY IN EFFECT UNTIL NOON CST TODAY for all of Southwest/Western IA……FREEZING FOG ADVISORY HAS EXPIRED…

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A DENSE FOG
ADVISORY…WHICH IS IN EFFECT UNTIL NOON CST TODAY.

* VISIBILITY…VISIBILITIES WILL CONTINUE TO BE A QUARTER MILE OR
  LESS IN MANY AREAS THIS MORNING. CONDITIONS SHOULD RAPIDLY
  IMPROVE OVER NON SNOW COVERED AREAS OF NORTHERN IOWA NORTH OF
  HIGHWAY 30 BY NOONTIME. HOWEVER FOG WITH VISIBILITIES OF LESS
  THAN A MILE SHOULD PERSIST OVER THE SNOW PACK FARTHER SOUTH.

* IMPACTS…LOW VISIBILITIES WILL CREATE HAZARDOUS TRAVEL
  CONDITIONS THIS MORNING.

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.