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Archive for March, 2013

Scattered Showers & Storms this Evening

| 7:46 pm March 31, 2013

A check of the radar this evening shows most of Alabama remains rain free. Heavier storms have been to the south where there were a couple of severe thunderstorms warnings for Dallas and Lowndes Counties earlier this afternoon. More intense storms continue across some of our southern counties, even a couple of reports of small hail near Troy this evening, but luckily none of these storms are currently severe.

Across our part of the state some showers with a few rumbles of thunder stretch across our northern counties from Vernon and Sulligent in Lamar County, through Jasper, Cullman and to near Mentone. This activity will continue to move east through out the night and we could see a few more showers across the Birmingham Metro tonight. Not expecting severe weather and the rain should get out of here by the morning.

3-31-2013 7-35-08 PM

Severe Thunderstorm Warning for Lowndes County til 5:15 p.m.

| 4:28 pm March 31, 2013

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LATE REPORT
Quarter sized hail covering the ground at Collirene in Lowndes County. Completely covering the ground. The hail core will pass near Moss before 5 p.m. and near Haynesville shortly after 5. Be prepared for 2 inch hail!.

ORIGINAL POST
Our storm which has a high potential for large hail is entering Lowndes County now, and will pass near Haynesville and Lowndesboro after passing near or north of moss and Gordonville.

2013-03-31_16-29-11

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
NORTHERN LOWNDES COUNTY IN SOUTH CENTRAL ALABAMA…

* UNTIL 515 PM CDT

* AT 426 PM CDT…THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM
WAS LOCATED 6 MILES EAST OF BELKNAP…OR 13 MILES SOUTHEAST OF
SELMONT-WEST SELMONT…AND MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE…
MOSSES…HAYNEVILLE…BENTON…GORDONVILLE…WHITE HALL…
LOWNDESBORO…COLLIRENE AND MANACK.

Severe Thunderstorm Warning for Dallas County til 4:45 p.m.

| 4:12 pm March 31, 2013

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A severe thunderstorm has developed south of Selma. It is moving east northeast.

The main hail core, with hail to the size of quarters, will pass south of Sardis and Benton and towards Lowndesboro.

Here is the polygon that is the warning.

2013-03-31_16-12-57

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
EAST CENTRAL DALLAS COUNTY IN SOUTH CENTRAL ALABAMA…

* UNTIL 445 PM CDT

* AT 407 PM CDT…THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL…AND DAMAGING
WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR DALLAS
LAKE…OR 12 MILES SOUTH OF SELMONT-WEST SELMONT…AND MOVING
NORTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE…
TYLER.

Disturbances in the Flow

| 1:38 pm March 31, 2013

2013-03-31_13-37-57

An update from the Weather Center at 1:35 p.m…

An area of moderate to heavy showers is pushing from west to east across West Central Alabama at this hour. The heaviest rain is across Tuscaloosa County, poised to push across the City of Tuscaloosa. I couldn’t find any lightning, but we can’t rule out an isolated stroke or two if the convection grows.

The activity is being fed a steady diet of slightly unstable air, so it will probably hold together.

The showers are associated with another disturbance in the upper flow across the area. Watching radar animations, you can see a subtle spin in the precipitation echoes.

Skies are mostly cloudy, but there are a few breaks in the clouds across the Black Belt counties, such as Hale, Marengo, Dallas and Perry. Sunshine is evident on the Skycam from Selma.

The sun was also trying to break out across North Central Alabama, around Jefferson, Blount and Cullman Counties. Temperatures are climbing through the lower 60s, heading toward highs in the middle and upper 60s generally.

Looking back to the west, a line of strong to severe thunderstorms continues pushing southeastward across Louisiana and into western Mississippi. It has been pushing southeast but appears to be turning more east in the upper flow. It may affect areas generally south of a line from Aliceville to Calera to Roanoke later.

Outside of this complex of storms, scattered storms will develop over North Central and North Alabama this afternoon and evening ahead of a cold front that will cross the area tonight.

Organized severe weather is not expected across North Central Alabama, but along and south of US-80, there may be enough instability for several severe thunderstorm warnings as the complex moves across the area. And we can’t rule out an isolated severe thunderstorm over the rest of the area this afternoon and evening if instability can fuel thunderstorm updrafts sufficiently.

Tuscaloosa had already picked up one half inch of rain (0.48″) through 1:30.

Showers, Some Thunder

| 10:28 am March 31, 2013

3-31-2013 10-26-45 AM

An area of showers, heavy at times, has settled into a west to east orientation across Central Alabama from Pickens and Sumter County in the west into Shelby, Chilton and Autauga Counties over into Clay and Tallapoosa Counties in the east.

There is still some lightning in the western counties, especially near and southwest of Carrollton, but the activity has weakened substantially in the past couple of hours.

There are some moderate to heavy showers in the Tennessee Valley from Guntersville back to Decatur and then over much of eastern Lauderdale and Limestone counties.

Everything is moving east.

A complex and confusing surface pattern clutters the weather maps this morning across the southeastern quarter of the United States. A collection of surface low centers is over southern Missouri and northern Arkansas. A cold front trails back into the Dallas area. Ahead of the system, a warm front has pushed into Kentucky and is working against the wedge to get across the Smokies into North Carolina.

A QLCS (Quasi-linear convective system), a fancy name for a line of storms, is pushing across southern Arkansas and northeastern Texas into northwestern Louisiana at this hour. There is a severe thunderstorm watch in effect as well as several severe thunderstorm warnings at this hour. There was even a brief tornado warning in northeastern Texas. This activity will weaken and move across Louisiana into Central Mississippi. It should stay well to our southwest.

More storms will fire this afternoon across northern Mississippi ahead of the cold front and these storms will work into Alabama later. They won’t be severe. They should be east of I-65 by 9 p.m. and into Georgia by midnight.