“Dirty High” with Fog/Low, Low Stratus Trapped As of 11 a.m.November 21st, 2012 at 10:55 am by Chad Evans under Chad's WLFI Weather Blog
There is still a lot of fog & low, low stratus over the area as of 11 a.m. underneath surface high & inversion. You can see the fog/low, low stratus in the visible satellite image below underneath the surface high.
The fog/low stratus will likely not be entirely gone in the viewing area until 2 p.m.
Thinking we will go mostly sunny-sunny, but will trim high temperatures a hair given the fact that the sun’s heat budget for the day has been partially allocated to burn off the fog/stratus. I have seen some days that look sunny & warm in autumn-early winter go quickly cool & cloudy from these situations & your forecast is ruined. Today, I do think it will greatly improve totally viewing area-wide by afternoon as inversion mixing takes over.
I think model soundings have a good handle on the situation showing the inversion weakening & thus more sun appearing this afternoon.
LOWEST VISIBILITY MEASURED THIS MORNING (in miles):
0.00 Grissom Air Reserve Base
0.15 Jasper County Airport
0.15 Frankfort Municipal Airport
0.15 Purdue University Airport
0.15 Logansport/Cass County Airport
0.15 Fulton County Airport