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We Start Mild and End up Wet

Seasonal temperatures will be followed by an increase in moisture.

Pleasant conditions prevail over much of the eastern U.S. this morning as a high pressure area builds into the southeast. Temperatures dipped into the 50s this morning in our area and we can expect these conditions to continue all the way through most of the day Saturday before we get a return of Gulf moisture and a chance for showers. Beginning late Saturday, a steady stream of warm moist gulf air will provide the energy for showers and thundershowers that will stick with us through next Tuesday or Wednesday. 

I'm sure you remember how hot it was the first week of June last year, but just in case you've already forgotten, here's how the first six days of June 2012 compared to the same period last year:

June

Day 2012 2011 Normal 1 69.1 83.4 70.5 2 63.8 82.2 71.0 3 70.3 80.3 71.5 4 71.9 79.8 71.5 5 67.4 80.5 71.5 6 69.1 78.5 71.5 Avg 68.6 80.8 71.2

You can see the tremendous difference in the temperatures. The first six days of June last year all had highs in the mid to upper 90s, which were almost 10-15 degrees above our normals. This year the high for the first six days was 84, just a degree above the normal.

You can find more past climate records here as well as graphs of the data here

It's the time of year that we need to start watching for tropical development. I have several pages that can help to monitor the tropics, one page is devoted to sea temperatures. The warmer the ocean, the more energy that's available to be used for tropical development. Another page depicts the amount of shear in the atmosphere. Shear tends to weaken or even tear apart storms and is important in helping to determine the future strength of a storm. You can view the shear map here. Keep in mind when looking at the map and reference the legend on the right of it, the more shear, the less likely a storm will develop or intensify. Another page is used to track the Sharan Air Layer, also known as SAL. This map shows us how dry/moist/dusty the air is coming off of the African continent. For storm development, it obviously shouldn't be too dry, and the dustier the better. As you probably already know, raindrops form around dust particles, so the dustier it is, especially over the warm ocean, the greater potential for rainfall. We'll keep an eye open for any development in the tropics and let you know how it might effect us down the road. I would be thrilled if the remnants of a tropical system parked itself over our area for a few days, we need the rain!

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North Georgia Weather June 08, 2012 at 09:15 PM
The atmosphere will become very tropical by late Saturday night into Sunday morning with our precipitable water values rising to around 2". Precipitable water is the depth of water in a column of the atmosphere if all the water in that column were precipitated as rain, and two inches is a very moist atmosphere. Currently the 2" range is over the Gulf of Mexico and that moisture will be heading this way.
North Georgia Weather June 09, 2012 at 10:23 AM
Woohoo! Things are looking better and better for rain. 5 day rainfall estimates uploaded, here's a link: http://www.daculaweather.com/images/2012_06/5day.gif
North Georgia Weather June 11, 2012 at 01:03 PM
So far we've had 1.16" here at DaculaWeather.com with more to come today.
Judy Putnam June 11, 2012 at 02:22 PM
I was in Pensacola, Fla. on Saturday and 13 inches of rain fell there in that one day! I've never seen so much rain fall from the sky.
North Georgia Weather June 12, 2012 at 01:54 PM
Yes, there was a ton of rain down there. 21.70 inches in southern Escambia County in the far western panhandle of Florida. This is from a CoCoRaHS observer so you can assume it's correct. Click on the link and go to the last county in the western panhandle. http://www.cocorahs.org/Maps/ViewMap.aspx And here is his storm report: http://www.cocorahs.org/ViewData/ViewDailyPrecipReport.aspx?DailyPrecipReportID=4082776c-5b2d-4b7b-90ee-84c3b1aa3a6d I had about 1.9" and we can expect more later this afternoon as a cold front approaches the area. We should have lots of sun today which will serve to destabilize the atmosphere and set the stage for showers and thunderstorms later. These storms will also be a little stronger than what we've seen over the last several days due to the higher temperatures.

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