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Kirk Mellish's Weather Commentary

Posted: 2:15 p.m. Friday, March 5, 2010

Small distances huge differences in snow 

By Kirk Mellish

Just no way the current limitations of weather forecasting can pin point such sharp changes in snow.

Just no way the current limitations of weather forecasting can pin point such sharp changes in snow.
NWSFO Peachtree City, GA

Just not possible given the current state of the art of weather forecasting to nail down such a tight gradient between a little, a lot and none. Not only did small horizontal distances make a big difference, small differences in elevation made huge differences, proving what we talked about was right--how it was just a thousand feet and a few degrees that would separate Atlanta from mostly wet or mostly white. Reports have come in that the top of Kennesaw and Sweat Mountains in Cobb County had 5-6 inches of snow just some extra 400-600 feet higher. Atlanta has a top 5 snowy winter, from the National Weather Service Peachtree City:

Snow in Georgia
March 2, 2010

An upper level disturbance traversing the western portion of the United States February 28 and March 1, 2010 helped to develop a surface low along the Texas coast on March 1. This surface low pressure system tracked along the Gulf coast and advected moisture ahead of the system into Georgia from both the Gulf of Mexico and the Atlantic Ocean. By Tuesday, March 2, the surface low moved across southern Georgia and the Florida panhandle and by that afternoon, had moved into the Atlantic Ocean along the Carolina coast. This system brought both rain and snow to the state. Precipitation started as rain and began moving into western Georgia just before midnight on March 2. During the morning hours on March 2 the precipitation continued moving across the state and changed to snow across north Georgia. The snow proceeded to change back to rain during the afternoon and ended across eastern Georgia late in the evening. Snowfall amounts averaged from 2 to 4 inches across north Georgia. However, higher values were reported across northeast Georgia with reports of 9.0 inches in Union county.

* Preliminary snowfall totals across north & central Georgia...

For the 2009-10 season, all four climate stations rank in the top 10 for highest snowfall amounts. The 1.1 inches of snow reported in Atlanta on March 2, 2010 brings the current snowfall total to 5.3 inches for the season. This ranks number five for the highest seasonal (July 1 to June 30) snowfall totals in Atlanta. Athens received 5.0 inches of snow this year, ranking number ten for highest snowfall totals for the area. Macon tied 1939-40 and 1976-77 for the fifth highest snowfall this season with 3.0 inches received this season to date. Two inches of snow has fallen in Columbus this season, tying with the 1978-79 and 1981-82 seasons for third highest snowfall.

The Outlook for March is for a winter lull for a week or more, but Old Man Winter may be on break but not on summer vacation until April. MARCH OUTLOOK: is for precipitation to be normal to above-normal with temperatures cooler than normal on average.