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New Tornado Data Analyzed

New Tornado Data Analyzed

Scientists from the VORTEX2 group which chases storms to be able to study and understand them better may have uncovered a new key for trying to determine which storms produce tornadoes before they actually formed. This new key piece of evidence is actually linked to something that isn't normally associated with tornadoes.....light rain. Normally supercells, the ones capable of producing tornadoes, are filled with very heavy rainfall and ice. However, as seen in the image below, taken from the VORTEX2 data, there is a ribbon-like area of light rain and small raindrops inside the thunderstorm supercell that spawned the tornado.

Storms Firing Up in Parts of Georgia This Afternoon

Storms Firing Up in Parts of Georgia This Afternoon

Tonight's Severe Chances

Storms are firing again this afternoon, but it appears that the best chances of rain and severe weather will be to our south. If you will notice below (see below) that the best instability in the state is to our south, that is also where the best moisture convergence is as well. Basically this means that the storms that will be firing up this afternoon will be mainly south of the area. The storms that do sire to our south will be severe with damaging winds the main threat...

Tomorrow Rain Chances

Potential for Additional Showers and T-Storms

Potential for Additional Showers and T-Storms

We had a couple of rounds of showers and t-storms move through this morning.  The first line started moving into west Georgia around 3:30am.  That line moved across the metro area between 4-7am.  We had a brief break, then another line of storms moved through between 7:30am and 9am.  Those clusters produced some pockets of heavy rain, lightning and some gusty winds.  We had reports of 40mph winds in parts of northwest Georgia with that second line. 

The rain that moved through gave many areas some rainfall totals of a quarter to a half inch.  We have potential for a few more showers in the afternoon hours.  The Storm Prediction Center has extended the "slight risk" area into Georgia.  This slight risk includes the metro area eastward.  It's in this area where we could see a few thunderstorms that get to "severe" criteria. The main threats would be lightning, heavy rain and strong winds. 

Heavy Rain Update | 7:15pm Update

Heavy Rain Update | 7:15pm Update

Heavy rain has been moving out of the metro area this evening and will continue to head east at around 30mph. Just under 0.50" or rain fell at the airport, but they actually had a ground stop for a while there for the heavy t-storms that were moving in. This area of heavy rain is now all east of 75 and it will continue to clear the metro aounties over the next hour. We are watching an area of severe weather out in northern Mississippi tonight that is trying to head in this direction for tomorrow, I will ahve another update on the blog about that area later this evevning.

 

For the latest up to the minute weather updates come to my facebook page, make sure you click on the like button! Also you can follow me on twitter.

Atlanta Weather | Severe Update

Short Term

The SPC issued a severe t-storm watch for NW Georgia that will not verify. In other words there should  not be a watch there to begin with.... There will be no severe weather in NW Georgia this evening, there is just not enough moisture or instability. Look for an increase in the cloud cover over most of the metro tonight as clouds from the rain out west begins to move in. There is a good chance we will see some of the rain hold together long enough to see rain in the metro area as well. This will help to keep temps a bit warmer tonight than last night, we can expect temps tomorrow to start in the upper 60's and lower 70's. Rain chances for tomorrow will be up in the morning, then again in the late afternoon south of the metro area.

Mid Range

Severe T-Storm Watch NW GA Until 9pm

Severe T-Storm Watch NW GA Until 9pm

There is a severe t-storm watch in effect for a Floyd, Chatooga, Catoosa, Walker, and Dade counties. The storms are coming out of a very unstable environment and running into a wall of very dry air in our State. AS you can see below the instability is virtually nonexistent in Georgia so as the storms move into the NW sections they will weaken and die. I am not expecting anything in the metro Atlanta area tonight, but tomorrow we could see storms across the metro area. I will have another update on that on the blog and 11Alive news at 6pm.

 

For the latest up to the minute weather updates come to my facebook page, make sure you click on the like button! Also you can follow me on twitter.

Any Drought Improvement?

Any Drought Improvement?

Right now 66% of the state is still in a moderate drought or higher. But thanks to the rain we've had the last 2 weeks, we are making strides compared to where we were 3 months ago.

Almost 22% of the state is currently not in a drought, compare that to the 3.5% from 3 months ago.

66% are under a moderate drought compared to 88% back in May.

54% of the state is in a Severe Drought compared to 83% back in May.

The Extreme Drought category, which is what most of Metro Atlanta is in, covers 40% of compared to 70% in May.

The exceptional drought category is the only place where we really haven’t made much improvement. Going from 25% 3 months ago, only down to 24% now.

Extreme southern and extreme northern Georgia are where the biggest improvements have been made.