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Category: Alabama’s Weather

Strong Storms Over Southern Shelby and Northern Chilton

| 3:25 pm September 15, 2014

2014-09-15_15-20-19

Strong storms are over southern Shleby and northern Chilton Counties where the NWS has posted a Significant Weather Alert for lightning, heavy rain and gusty winds.

Storms are strongest from north of Jemsion to west of Talladega Springs.

They are moving east at 10 mph.

Strong Storms over Jefferson, Shelby, St. Clair

| 2:38 pm September 15, 2014

UPDATE AT 2:50 PM
The NWS has added an Areal Flood Advisory for parts of Jefferson and St. Clair Counties as well. Communities include Pinson, Center Point, Trussville, Argo and Branchville. A wide area has received at least an inch of rain in a short time between the above communities.

ORIGINAL POST
2014-09-15_14-34-40

Strong thunderstorms are occurring at this time over northeastern Jefferson and western St. Clair Counties.  They are centered in the Clay, Argo and CenterPoint areas.

The NWS has issued a Significant Weather Alert for the area inside the polygon on the above graphic.

They are moving southeast at 10 mph and will pass near Trussville, Branchville and Moody.

They contain dangerous lightning, wind gusts to over 40 mph and copious amounts of rain.

Be indoors as these dangerous storms approach.

Moist Air Returns To Alabama

| 6:25 am September 15, 2014

An all new edition of the ABC 33/40 Weather Xtreme video is available in the player on the right sidebar of the blog. You can subscribe to the Weather Xtreme video on iTunes by clicking here.

SHOWERS/STORMS LATER TODAY: Nothing on the radar at daybreak across Alabama; temperatures are in the low 60s over the Tennessee Valley, with low to mid 70s over the southern two-thirds of the state. We expect scattered showers and storms to fire up this afternoon and tonight… the chance of any one spot getting wet is in the 40-50 percent category. We will reach the low to mid 80s this afternoon with a mix of sun and clouds.

A drier airmass moves back into the state tomorrow, and there is only a small risk of a stray shower; most places will be dry.

WEDNESDAY THROUGH FRIDAY: This three day stretch is looking dry and pleasant. The coolest morning will come early Thursday when many North Alabama communities will drop into the upper 50s; daytime highs will be in the 80s, but humidity levels will be low. The only potential fly in the ointment comes Friday when a cold air damming (CAD) pattern sets up over the eastern states; the “wedge” could creep into East Alabama with cooler temperatures, some clouds, and maybe a touch of light rain or drizzle. We won’t mention this in the forecast just yet… we will keep an eye on future model runs.

THE ALABAMA WEEKEND: Looks very nice with a dry airmass in place. Sunny days, fair nights. Highs in the mid 80s, lows in the low to mid 60s. A weakening cold front might kick off a shower in a few places by Monday of next week, but for now it doesn’t look like a significant rain event. See the Weather Xtreme video for the maps, graphics, and details.

FOOTBALL WEATHER: Auburn will play a Thursday night special this week in Manhattan, Kansas against Kansas State (6:30p CT kickoff); we project a temperature of 77 degrees at kickoff with only a small risk (15-20 percent) of a shower during the first half. Temperatures will fall into the low 70s by the fourth quarter.

TROPICS: Hurricane Edouard is in the middle of the Atlantic with sustained winds of 105 mph; this will remain far from land as it recurves. The big story is over in the East Pacific; Hurricane Odile slammed into Cabo San Lucas and the southern tip of Baja California last night with sustained winds of 125 mph; it will weaken and move up the Baja peninsula today. Moisture from Odile could bring a flooding threat to parts of Arizona and New Mexica later this week.

GULF COAST WEATHER: Not much change this week on the coast; about 3 to 5 hours of sunshine today from Panama City over to Gulf Shores with one or two passing storms, then about 6 to 8 hours of sunshine on a daily basis tomorrow and Wednesday with scattered storms. Then, expect mostly sunny days and fair nights Thursday through the weekend with only a slight risk of a shower. Highs will be in the upper 80s, with sea water temperatures mostly in the mid 80s.

TEN YEARS AGO TODAY: Hurricane Ivan was on the approach to the Alabama Gulf Coast…

NOAA-Hurricane-Ivan-09-15-2004-1515z

It would make landfall near Gulf Shores around 2:00 a.m. September 16, 2004 as a category three storm with sustained winds of near 120 mph. Damage to the Alabama coast was severe, and widespread.

WEATHER BRAINS: Don’t forget you can listen to our weekly 90 minute netcast anytime on the web, or on iTunes. This is the show all about weather featuring many familiar voices, including our meteorologists here at ABC 33/40. We will produce this week’s show tonight at 8:30 CT… you can watch it on “James Spann 24/7″ on cable systems around the state, or on the web here.

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Look for the next Weather Xtreme video here by 4:00 this afternoon…. enjoy the day!

Warmer with Showers Monday

| 6:44 am September 14, 2014

An all new edition of the ABC 33/40 Weather Xtreme video is available in the player on the right sidebar of the blog. You can subscribe to the Weather Xtreme video on iTunes by clicking here.

The northerly flow across Alabama yesterday and overnight resulted in quite a gradient in temperatures and dew points. This morning dew points were in the middle 50s in the Tennessee Valley while they were still in the lower 70s in Southeast Alabama. Slightly drier air aloft managed to erode much of the cloudiness across the state overnight. Look for the best chances for showers to once again be across South Alabama where moisture values remain the highest.

Aloft the elongated upper ridge will be subdued somewhat on Monday with the passage of a fairly strong trough moving across the Great Lakes. The trough should extend its influence far enough south to allow good chances for widespread showers and storms across Central Alabama. High pressure to the northeast of Alabama will allow moisture to return northward on Monday, too, adding to the potential for our best chances for rain in the week ahead.

The fast moving trough will quickly exit across New England by Tuesday as the overall upper flow becomes northwesterly as the long wave trough sets up across the eastern third of the Nation. The development of this trough should begin the drying process with drier air in place for the middle and latter part of the week ahead. By the end of the week, the upper ridge over the western US will migrate eastward allowing our temperatures to warm up into the upper 80s for Friday and Saturday.

At the beach, typical late summer weather continues along the Alabama and Northwest Florida Gulf Coast today and for most of the week ahead. Highs will be in the upper 80s, overnight lows in the upper 70s. There will be a mix of sun and clouds, with scattered showers and storms. You can expect 4 to 6 hours of sun each day with daily chances for scattered showers.

Tropics are a tad active. Edouard is expected to achieve hurricane status sometime today while it churns northwestward in the open Atlantic before turning more northerly on Tuesday. In the Gulf of Mexico, the area of disturbed weather has become quite diffuse as it moves steadily westward across the Central Gulf with little potential for development. An area of disturbed weather west of the Cape Verde Islands shows little signs of development.

The GFS long range progs continue to keep the idea of general troughiness across the eastern US into late September. But there is also the depiction of some tropical mischief for the Gulf near the end of the month. But you know how this can change that far into voodoo country.

And you can follow news and weather updates from ABC 33/40 on Twitter here. Stay in the know by following the whole gang – here’s the list…

James Spann Charles Daniel Bill Murray
Brian Peters E-Warn (AL wx watches/warnings)

James Spann will have the next Weather Xtreme Video first thing on Monday morning. Enjoy the day and Godspeed.

-Brian-

Most Areas Dry

| 3:18 pm September 13, 2014

9-13-2014 3-11-27 PM

As expected today, the bulk of the unsettled weather is across southern portions of the state. We continue to see a mix of sun and clouds today, but we are seeing most locations staying dry. The radar returns in Central Alabama are mostly just ground clutter and it is not raining in the areas.  The main shower and storm activity is over the southeastern counties.

There is a wide range of temperatures across the Central Alabama today. Locations to the north are in the lower 70s, while down south, where the front has not pushed through yet, upper 80s and lower 90s are showing up. For the rest of today, we should see the cloud cover continue to thin out, and the sky should be partly cloudy overnight. There is only a slight chance of a shower for locations north of the U.S. 80 corridor.

Clouds but Cooler

| 7:45 am September 13, 2014

An all new edition of the ABC 33/40 Weather Xtreme video is available in the player on the right sidebar of the blog. You can subscribe to the Weather Xtreme video on iTunes by clicking here.

The weak cold front that has been plaguing the Southeast US for the last couple of days continued to sag slowly southward and was situated across southern Alabama this morning. This has allowed slightly cooler and drier air to move into the northern half of Alabama, so I expect to see mostly cloudy skies today with scattered showers possible mainly across South Alabama. The front continued to have little to push it further southward due to an elongated ridge in the upper atmosphere.

If you are headed to Tuscaloosa where Alabama will host Southern Miss this evening with a 5:00 pm kickoff, it looks like the sky will be occasionally cloudy, but the weather should be dry with a kickoff temperature near 80 degrees, falling through the 70s during the second half. UAB hosts Alabama A&M at Legion Field in Birmingham at 2:30 pm; the sky will be generally cloudy with only a small risk for a shower. The temperature will be around 80 degrees at kickoff, falling into the middle 70s by the final whistle.

The forecast for the beaches: about 4 to 6 hours of sunshine along the coast from Panama City to Gulf Shores through Sunday with scattered thunderstorms; highs will be in the upper 80s. Sea water temperatures are also in the mid 80s.

Tropics are active as expected during the the heart of tropical storm season. Edouard is forecast to become a hurricane on Monday but it is expected to remain well out in the Atlantic. Two areas of disturbed weather were noted in the Gulf of Mexico. The one near the Mexican coast is not expected to develop much as it moves westward into Mexico. The other one just off the Southwest coast of Florida is forecast to track westward and the upper level wind pattern does not appear to be very favorable for any development in the near term. Because this is in the Gulf of Mexico, it will bear watching and a Hurricane Hunter aircraft may investigate the area today.

The ridge remains in place Sunday so isolated showers remain a possibility though we note that precipitable water values continue to drop slightly. The main moisture remains across South Alabama where the better chances for showers should be. While the westerlies remain well to our north, the GFS continued to show general troughiness over the eastern US for the middle and latter portion of the week. This is likely to keep us dry for the latter part of the week. I did note that the ECMWF was considerably drier with its solution than was the GFS.

Looking out into voodoo, the GFS continues to keep the primary trough across the eastern third of the US, but the trough is forecast to weaken as upper ridging again develops over the Southeast US around the end of September. This could mean some warmer weather for us at the end of the month.

And you can follow news and weather updates from ABC 33/40 on Twitter here. Stay in the know by following the whole gang – here’s the list…

James Spann Charles Daniel Bill Murray
Brian Peters E-Warn (AL wx watches/warnings)

I expect to have the next edition of the Weather Xtreme Video first thing on Sunday morning. Enjoy the cooler weather and Godspeed.

-Brian-

Flash Flood Warning Bibb/Jefferson/Shelby/Tuscaloosa til 7:30PM

| 4:43 pm September 12, 2014

Aliant Bank is a proud sponsor of AlabamaWX.com!

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* FLASH FLOOD WARNING FOR MINOR FLOODING OF POOR DRAINAGE AREAS IN…
EAST CENTRAL TUSCALOOSA COUNTY IN WEST CENTRAL ALABAMA…
NORTH CENTRAL BIBB COUNTY IN ALABAMA…
SOUTHWESTERN JEFFERSON COUNTY IN ALABAMA…
WEST CENTRAL SHELBY COUNTY IN ALABAMA…

* UNTIL 730 PM CDT

*TURN AROUND, DON’T DROWN!!!

9-12-2014 4-45-09 PM

* AT 441 PM CDT…NATIONAL WEATHER SERVICE INDICATED SLOW MOVING
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.
RADAR ESTIMATES NEARLY 4 INCHES OF RAIN HAS FALLEN IN PORTIONS OF
EASTERN TUSCALOOSA COUNTY AND STORMS ARE SLOWLY MOVING EASTWARD.
ADDITIONAL RAINFALL AMOUNTS OF 3 TO 4 INCHES WILL BE POSSIBLE IN
THE WARNED AREA.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…
ALABASTER…BESSEMER…HELENA…ABERNANT…ALABAMA ADVENTURE…
BLUFF PARK…BROOKWOOD…DEERLICK CREEK CAMPGROUNDS…HOOVER
METROPOLITAN STADIUM…LAKE VIEW…LAKE WILDWOOD…MAYLENE…NORTH
JOHNS…ROSS BRIDGE…TANNEHILL IRONWORKS STATE PARK…VANCE AND
WOODSTOCK.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

THIS IS A DANGEROUS SITUATION. RAINFALL FROM PERSISTENT RAINBANDS
WILL PRODUCE FLOODING IN LOW LYING AREAS AND ALONG STREETS. MANY
ROADS WILL BE CLOSED DUE TO HIGH WATER AND DRIVING IS NOT RECOMMENDED
DURING THE NEXT SEVERAL HOURS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

TO REPORT SEVERE WEATHER…
CALL 1-800-856-0758 OR TWEET YOUR REPORT USING HASHTAG ALWX

Flash Flood Warning Jefferson/St. Clair until 7PM

| 3:55 pm September 12, 2014

Aliant Bank is a proud sponsor of AlabamaWX.com!

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* FLASH FLOOD WARNING FOR…
EAST CENTRAL JEFFERSON COUNTY IN ALABAMA…
WEST CENTRAL ST. CLAIR COUNTY IN ALABAMA…

* UNTIL 700 PM CDT

* TURN AROUND, DON’T DROWN!!!

9-12-2014 3-59-18 PM

* AT 355 PM CDT…NATIONAL WEATHER SERVICE INDICATED SLOW MOVING
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. RAIN
AMOUNTS MAY EXCEED 3 INCHES IN A FEW LOCATIONS.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…
IRONDALE…MOODY…TRUSSVILLE…ALTON…ARGO…BALD ROCK…
BIRMINGHAM AIRPORT…BRANCHVILLE…CENTER POINT…CHALKVILLE…
CLAY…MARGARET AND TARRANT.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.