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It Got Drier Last Week! HUH?

May 13, 2013

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Though the Mississippi fought floods and thunderstorms drenched the South this May of 2013, the US has gotten drier.

Incredibly, despite all the rainfall, 62% of the nation is dry and 48% is in drought conditions! Even with all the rainfall, almost half the nation is still suffering from prolonged drought.

48% of the U.S. is in drought conditions.

The problem is that after two solid years of dry weather, it’s going to take a lot of rain to break the drought. The parched soil soaks up any moisture quickly and needs even more. While there was heavy rainfall over the past two weeks, it has been concentrated in a few soggy areas. Most of the nation only received a day or two of showers or storms.

Basically, all the cold we didn’t receive this winter is finally plunging south. Cold air doesn’t hold much moisture. Where the cold air crashes into warm moist air from the Atlantic or Gulf of Mexico, it rained. (Yes, Atlanta, I’m thinking of you and that 6 inches of rain you received. You needed webbed feet!) Where there was just cool air, it remained relatively dry.

2013 has been the quietest year for tornadoes in 60 years. Click to expand graph.

There is some good news. As I noted earlier last month, tornadoes are finicky and it has just been too cold to generate many storms. The same wedge of cold air that limited rainfall has also limited deadly thunderstorms. Normally we would have averaged 625 tornadoes by now and we have only had 237. This season has set a 60-year record and is in the lowest 10% of the history of tornado seasons.

Overall, it looks as if there should be enough rain for planting, once the weather warms up. But, look out. The soil is still thirsty and heat waves could cause some real problems. On the other hand, with the weather the way it has been lately, a nice warm heat wave sounds almost cozy.

 

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Evelyn Browning Garriss, historical climatologist, blogger, writer for The Old Farmer's Almanac, and editor of The Browning Newsletter, has advised farmers, businesses, and investors worldwide on upcoming climate events and their economic and social impact for the past 21 years.

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Comments

The graph is true, it's as if

By Rhoda Prickett

The graph is true, it's as if there ought to be enough rain for planting, once the weather warms up. But, look out.

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Look at the lone star state

By rt. thomps1218

Look at the lone star state in the deep reds & oranges. Texas has been devestated by the drought. It looks like a nation divded. I notice the eastern United States has been having some beneficial rainfall. The southeast & midwest has been dealing with thunderstorms which led to flooding. The thing im concerned about is when the summer months arrive with the strong sun angle beaming down on the already dry ground. Its going to get hot and I fear its going to get worse.

The nations mid section is

By Melissa H.

The nations mid section is parched. They could really use some rain. Here in Virginia we had some serious rain last week. My yard was flooded & we had 6" of rain too. Its been a wet year overall and the abundance of snow last winter has eliminated us from the drought. I'd be glad to share some rain.. 2013 is going to be a good year for crops. However, with summer coming soon, the pounding sun will make things harder. I dread the arrival of the suffocating heat & humidity. The humidity in the southeast is nasty in the summer! Ugh!

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