Temperature (Fahrenheit) - 49 degrees F
Wind Speed - 1 mph (gusting to 7 mph)
Wind Direction - ESE
Barometric Pressure - 1029.99 g/kg
Cloud Cover - clear (some cirrus clouds)
Alright to start today's post off, I would like to apologize for the missing post yesterday. My prediction for yesterday was correct however, temperatures were indeed cooler than on Tuesday. Anyways what I really want to show you today is a prime example of what to look for in cloud formations when determining whether wind direction is shifting. If you had time to look this morning the wind direction was NE, and the sky looked like this.
Notice the pattern of striation in the clouds, this is what is known as a "Mackerel Sky". The name comes the fish because of the scale-like pattern. This striation patterning is caused by a shift in wind direction, which breaks the clouds apart. It is always a tell-tale sign that a shift in wind direction is occurring. So the NE winds we had early this morning gave way to E winds, then ESE winds, and later on this afternoon wind direction will shift to SE. Now that wind direction has shifted this what the sky looks like currently.
As you can see we have some cirrus cloud formations, despite mostly clear skies. Which leads to my next point, what does cirrus clouds in conjunction with SE winds mean? When you see cirrus clouds with winds from the East to Southeast, as general rule of thumb you can expect rain in the next 20 to 30 hours.
That's right Eau Claire, the forecast is calling for a possibility of thunderstorms this afternoon. I'm going out on a limb and making the call that we won't see any precipitation until early tomorrow morning, likely around 1 am to 4 am. To make up for forgetting to post yesterday I will post again later this evening to keep you all in the loop.
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