Alert archive / Alabama / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 140, NWS Birmingham, AL

April 4, 2008Dallas County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 4, 2008, 4:49 PM CDT for Dallas County, Alabama. It was in force for 14 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 4, 2008, 4:49 PM CDT (21:49 UTC)
Expired: Apr 4, 2008, 5:03 PM CDT
In force: 14 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

County Dallas County, AL

The radar

The Birmingham radar (KBMX), 99 km from the middle of the area, began a volume at 21:50 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 4, 9:48 AM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 9.8 hours before the alert went out and 100 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 464 J/kg
Mixed-layer CIN: -105 J/kg
Mixed-layer LCL: 608 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 278 m²/s²
0-3 km storm-relative helicity: 379 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 5.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Birmingham, AL wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 4, 4:23 PM CDT, 26 minutes earlier.

Area forecast discussion, Apr 4, 4:23 PM CDT, 26 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BIRMINGHAM AL
423 PM CDT FRI APR 4 2008

.SHORT TERM...TONIGHT THROUGH SUNDAY.

ONGOING ATTENTION TO SEVERE WEATHER WATCHES AND WARNINGS WILL
RESULT IN A VERY SHORT DISCUSSION THIS AFTERNOON.  LATEST FORECAST
REFLECTS THE GFS MODEL OUTPUT...WHICH HAS MORE RAIN AND
THUNDERSTORMS MOVING ACROSS THE NORTHERN HALF OF THE FORECAST
AREA TONIGHT...WHILE SEVERE CONVECTION MOVES ACROSS EAST AND SOUTH
COUNTIES THROUGH REMAINDER OF AFTERNOON. AREA WILL BEGIN TO DRY
OUT BEHIND THE FRONT BY SATURDAY AFTERNOON.

.LONG TERM...MONDAY THROUGH FRIDAY.

NEXT WEATHER MAKER...SHORT-WAVE TROUGH AND APPROACHING COLD
FRONT...WILL BEGIN TO AFFECT CENTRAL ALABAMA ON TUESDAY. THE
FRONTAL BOUNDARY STALLS OVER THE AREA...AND WITH SOUTHWESTERLY
FLOW ALOFT...CHANCES OF SHOWERS AND THUNDERSTORMS WILL PERSIST
THROUGH THE REMAINDER OF THE WEEK.

&&

.AVIATION...

WILL UPDATE WITH 00Z TAFS.

&&

.PRELIMINARY POINT TEMPS/POPS...
GADSDEN     55  63  45  77  47 / 100  30  10  10  10
ANNISTON    59  66  47  77  53 / 100  30  10  10  10
BIRMINGHAM  56  67  47  79  56 / 100  30  10  10  10
TUSCALOOSA  59  70  47  80  52 / 100  20  10  10  10
CALERA      59  68  48  78  53 / 100  30  10  10  10
AUBURN      60  67  50  76  58 /  80  70  10  10  10
MONTGOMERY  62  70  50  82  56 /  80  70  10  10  10
TROY        63  72  52  79  58 /  80  70  10  10  10

&&

.BMX WATCHES/WARNINGS/ADVISORIES...
AL...NONE.

&&

03

In the hours before

Local storm report, Apr 4, 4:18 PM CDT, 31 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Apr 4, 4:24 PM CDT, 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
424 PM CDT FRI APR 04 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0416 PM     TSTM WND DMG     5 S COLUMBIANA          33.10N 86.60W
04/04/2008                   SHELBY             AL   AMATEUR RADIO

            TREE DAMAGE IN THE HWY 145 AREA NEAR SHELBY
            COMMUNITY...PUBLIC REPORTS ROTATION IN AREA OF DAMAGE.

&&

Local storm report, Apr 4, 4:26 PM CDT, 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
426 PM CDT FRI APR 04 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0350 PM     HAIL             JACKSONVILLE            33.81N 85.76W
04/04/2008  E0.50 INCH       CALHOUN            AL   EMERGENCY MNGR

            MARBLE HAIL REPORTED ON FRANCIS STREET EAST.

&&

Local storm report, Apr 4, 4:33 PM CDT, 16 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE BIRMINGHAM AL
433 PM CDT FRI APR 04 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0408 PM     FUNNEL CLOUD     PELHAM                  33.30N 86.79W
04/04/2008                   SHELBY             AL   PUBLIC

            3 FUNNEL CLOUDS REPORTED ON US 31/HIGHWAY 119.

&&

JWRIGHT

Local storm report, Apr 4, 4:35 PM CDT, 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
435 PM CDT FRI APR 04 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0426 PM     TSTM WND DMG     5 W PELL CITY           33.56N 86.36W
04/04/2008                   ST. CLAIR          AL   EMERGENCY MNGR

            2 TREES DOWN ON CAMP WINNATASKA ROAD IN COOK SPRINGS
            AREA.

&&

Local storm report, Apr 4, 4:45 PM CDT, 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
445 PM CDT FRI APR 04 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0443 PM     TSTM WND DMG     9 W SYLACAUGA           33.18N 86.42W
04/04/2008                   TALLADEGA          AL   LAW ENFORCEMENT

            POWERLINE DOWN BLOCKING ROADWAY AT TINNEY LANE IN
            FAYETTEVILLE.

&&

The office that day

Everything else NWS Birmingham, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 4, 3:58 AM CDT	Lake Wind Advisory	BMX	Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more	15 hr
Apr 4, 12:55 PM CDT	Tornado Warning	BMX	Cherokee	35 min
Apr 4, 1:16 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Hale, Tuscaloosa	44 min
Apr 4, 1:20 PM CDT	Severe Thunderstorm Warning	BMX	Shelby, Talladega	40 min
Apr 4, 1:28 PM CDT	Tornado Warning	BMX	Shelby, Talladega	47 min
Apr 4, 1:31 PM CDT	Severe Thunderstorm Warning	BMX	Cherokee	29 min
Apr 4, 1:39 PM CDT	Severe Thunderstorm Warning	BMX	Dallas, Hale, Marengo, Perry	51 min
Apr 4, 1:40 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Etowah, St. Clair	35 min
Apr 4, 1:45 PM CDT	Tornado Warning	BMX	Calhoun, Talladega	45 min
Apr 4, 1:45 PM CDT	Tornado Warning	BMX	Cherokee	30 min
Apr 4, 1:55 PM CDT	Tornado Warning	BMX	Bibb	35 min
Apr 4, 1:58 PM CDT	Tornado Warning	BMX	Dallas, Hale, Marengo, Perry	47 min
Apr 4, 2:01 PM CDT	Tornado Warning	BMX	Bibb, Jefferson, St. Clair, Shelby	44 min
Apr 4, 2:02 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Etowah, St. Clair	28 min
Apr 4, 2:09 PM CDT	Tornado Warning	BMX	Calhoun, Cleburne, Talladega	51 min
Apr 4, 2:19 PM CDT	Severe Thunderstorm Warning	BMX	Greene, Marengo, Pickens, Sumter	26 min
Apr 4, 2:21 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson, St. Clair, Shelby	39 min
Apr 4, 2:22 PM CDT	Severe Thunderstorm Warning	BMX	Chilton, Shelby	23 min
Apr 4, 2:25 PM CDT	Severe Thunderstorm Warning	BMX	Walker, Winston	35 min
Apr 4, 2:33 PM CDT	Tornado Warning	BMX	Autauga, Chilton, Dallas, Perry	42 min
Apr 4, 2:36 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Etowah, St. Clair	15 min
Apr 4, 2:45 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Greene, Hale, Marengo, Perry, Sumter and 1 more	45 min
Apr 4, 2:46 PM CDT	Severe Thunderstorm Warning	BMX	Chilton, Coosa, St. Clair, Shelby, Talladega	29 min
Apr 4, 2:48 PM CDT	Severe Thunderstorm Warning	BMX	Chambers, Clay, Randolph, Tallapoosa	42 min
Apr 4, 2:55 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson, Tuscaloosa, Walker	35 min
Apr 4, 2:55 PM CDT	Severe Thunderstorm Warning	BMX	Dallas, Marengo	50 min
Apr 4, 2:55 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, St. Clair, Talladega	35 min
Apr 4, 3:11 PM CDT	Severe Thunderstorm Warning	BMX	Blount	34 min
Apr 4, 3:16 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, St. Clair	29 min
Apr 4, 3:17 PM CDT	Tornado Warning	BMX	Autauga, Chilton, Coosa	43 min
Apr 4, 3:18 PM CDT	Severe Thunderstorm Warning	BMX	Clay, Talladega	27 min
Apr 4, 3:24 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Chilton, Hale, Jefferson, Perry, Shelby and 1 more	51 min
Apr 4, 3:28 PM CDT	Severe Thunderstorm Warning	BMX	Chambers, Randolph	32 min
Apr 4, 3:31 PM CDT	Tornado Warning	BMX	Calhoun, Cherokee, Cleburne	29 min
Apr 4, 3:32 PM CDT	Tornado Warning	BMX	Dallas, Lowndes	43 min
Apr 4, 3:46 PM CDT	Tornado Warning	BMX	Coosa, Tallapoosa	44 min
Apr 4, 3:55 PM CDT	Severe Thunderstorm Warning	BMX	Cherokee, Cleburne	20 min
Apr 4, 3:57 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Chilton, Jefferson, St. Clair, Shelby	36 min
Apr 4, 4:03 PM CDT	Tornado Warning	BMX	Shelby	27 min
Apr 4, 4:04 PM CDT	Severe Thunderstorm Warning	BMX	Cleburne	26 min
Apr 4, 4:13 PM CDT	Severe Thunderstorm Warning	BMX	Autauga, Lowndes, Montgomery	47 min
Apr 4, 4:20 PM CDT	Severe Thunderstorm Warning	BMX	Autauga, Clay, Coosa, Elmore, Tallapoosa	40 min
Apr 4, 4:23 PM CDT	Severe Thunderstorm Warning	BMX	St. Clair, Shelby, Talladega	52 min
Apr 4, 4:29 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Etowah, St. Clair, Talladega	46 min
Apr 4, 4:39 PM CDT	Severe Thunderstorm Warning	BMX	Chambers, Clay, Randolph, Tallapoosa	36 min
Apr 4, 4:53 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Cherokee, Clay, Cleburne, Etowah, Randolph and 1 more	52 min
Apr 4, 4:54 PM CDT	Severe Thunderstorm Warning	BMX	Autauga, Elmore, Lowndes, Montgomery	66 min
Apr 4, 5:24 PM CDT	Severe Thunderstorm Warning	BMX	Lowndes	36 min
Apr 4, 5:38 PM CDT	Tornado Warning	BMX	Dallas	37 min
Apr 4, 5:48 PM CDT	Severe Thunderstorm Warning	BMX	Elmore, Macon, Tallapoosa	42 min
Apr 4, 5:52 PM CDT	Severe Thunderstorm Warning	BMX	Elmore, Montgomery	38 min
Apr 4, 6:27 PM CDT	Severe Thunderstorm Warning	BMX	Chambers, Lee, Macon, Tallapoosa	63 min
Apr 4, 6:44 PM CDT	Severe Thunderstorm Warning	BMX	Elmore, Lee, Macon, Montgomery, Tallapoosa	31 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2008 Every severe thunderstorm warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.