Alert archive / Alabama / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 123, NWS Birmingham, AL

April 19, 2006Walker County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 19, 2006, 6:57 PM CDT for Walker County, Alabama. It was in force for 20 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 19, 2006, 6:57 PM CDT (23:57 UTC)
Expired: Apr 19, 2006, 7:17 PM CDT
In force: 20 min
Issued by: NWS Birmingham, AL
Area: Counties, with a storm outline in the text

County Walker County, AL

The radar

The Birmingham radar (KBMX), 86 km from the middle of the area, began a volume at 23:57 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 19, 5:48 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 12.0 hours before the alert went out and 84 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: 123 J/kg
Mixed-layer CIN: -322 J/kg
Mixed-layer LCL: 1779 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 102 m²/s²
0-3 km storm-relative helicity: 84 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 19, 2:55 PM CDT, 4 hours 2 minutes earlier.

Area forecast discussion, Apr 19, 2:55 PM CDT, 4 hours 2 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BIRMINGHAM AL
255 PM CDT WED APR 19 2006

.SHORT TERM...TONIGHT THROUGH SUNDAY NIGHT.
IMPULSE ACROSS WESTERN ALABAMA WILL MOVE ACROSS THROUGH THE EVENING
HOURS.  THERE COULD BE SOME ADDITIONAL DEVELOPMENT AND SOME STORMS
MAY BE SEVERE.  WILL INCLUDE MAINLY ISOLATED TO SCATTERED WORDING.
ON THURSDAY MODELS INDICATE ANOTHER IMPULSE MOVING INTO THE AREA
NEAR MID DAY AND MOVING THROUGH DURING THE LATE AFTERNOON HOURS.
WILL FORECAST POPS IN THE CATEGORY WITH THE HIGHEST POPS WEST.
A FEW STORMS COULD BE SEVERE GIVEN THE UPPER SUPPORT...COLD
POOL ALOFT AND STEEP LAPSE RATES.  ACTIVITY SHOULD DIMINISH LATER
THURSDAY EVENING.  OVERNIGHT LOWS EACH NIGHT IN THE 60S...HIGHS
THURSDAY IN THE 80S.

FRIDAY AND FRIDAY NIGHT...INCREASING SOUTHERLY FLOW AND MUCH
STRONGER UPPER SUPPORT WILL MOVE INTO AND ACROSS THE AREA.  MODELS
DEPICT IMPRESSIVE MID LEVEL SHORT WAVE AND INCREASING VERTICAL
MOTION ESPECIALLY LATE AFTERNOON AND EVENING.  WILL FORECAST LIKELY
POPS NORTHWEST FRIDAY AND MAINLY CHANCE POPS ELSEWHERE.  HIGHEST
POPS WILL BE FRIDAY NIGHT AS UPPER SUPPORT MOVES THROUGH WITH
CATEGORICAL POPS NORTH AND LIKELY POPS SOUTH.  HIGHS FRIDAY 80 TO
85 AND THEN LOWS AT NIGHT 50S NORTH AND 60S SOUTH.

SATURDAY THROUGH SUNDAY NIGHT...SYSTEM WILL EXIT THE AREA SATURDAY
MORNING AND MUCH OF THE WEEKEND WILL BE RAIN FREE AND SLIGHTLY COOLER
AS WEAK HIGH PRESSURE BUILDS IN.  HIGH TEMPERATURES UPPER 70S NORTH
TO LOWER 80S SOUTH WITH OVERNIGHT LOWS IN THE 50S.

.LONG TERM...MONDAY THROUGH WEDNESDAY.
SOUTHWEST FLOW ALOFT AND SEVERAL IMPULSES MOVING INTO AND ACROSS
THE AREA WILL CONTINUE THROUGH EXTENDED PERIOD.  WILL GENERALLY
KEEP A CHANCE OF SHOWERS AND THUNDERSTORMS...ESPECIALLY DURING THE
PEAK HEATING HOURS.  HIGHS IN THE UPPER 70S NORTH AND LOWER 80S
SOUTH.  OVERNIGHT LOWS MAINLY IN THE 50S.

&&

.PRELIMINARY POINT TEMPS/POPS...
GADSDEN     61  82  61  80 /  30  40  30  40
ANNISTON    63  84  62  82 /  30  40  30  30
BIRMINGHAM  65  83  64  81 /  20  50  30  40
TUSCALOOSA  64  85  63  83 /  20  50  30  50
CALERA      64  84  62  82 /  20  30  20  30
AUBURN      65  85  65  83 /  30  30  20  20
MONTGOMERY  64  88  63  84 /  10  30  20  20
TROY        62  87  64  84 /  30  30  20  20

&&

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

&&

50

Hazardous weather outlook, Apr 19, 6:57 PM CDT, 0 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BIRMINGHAM AL
657 PM CDT WED APR 19 2006

ALZ011>015-017>050-210000-
AUTAUGA-BARBOUR-BIBB-BLOUNT-BULLOCK-CALHOUN-CHAMBERS-CHEROKEE-
CHILTON-CLAY-CLEBURNE-COOSA-DALLAS-ELMORE-ETOWAH-FAYETTE-GREENE-HALE-
JEFFERSON-LAMAR-LEE-LOWNDES-MACON-MARENGO-MARION-MONTGOMERY-PERRY-
PICKENS-PIKE-RANDOLPH-RUSSELL-SHELBY-ST CLAIR-SUMTER-TALLADEGA-
TALLAPOOSA-TUSCALOOSA-WALKER-WINSTON-
657 PM CDT WED APR 19 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE COUNTIES SERVED BY
THE NATIONAL WEATHER SERVICE OFFICE IN BIRMINGHAM.

.DAY ONE...TONIGHT.

SCATTERED SEVERE THUNDERSTORMS CAN BE EXPECTED UNTIL 10 PM CDT...
MAINLY NORTHEAST OF A WARRIOR TO SYLACAUGA TO AUBURN LINE.
LARGE HAIL UP TO THE SIZE OF GOLF BALLS IS THE MAIN HAZARD
WITH THE STORMS...THOUGH DAMAGING WINDS UP TO 70 MPH ARE POSSIBLE
AS WELL.  ADDITIONAL ISOLATED SEVERE STORMS ARE POSSIBLE THROUGH
10 PM CDT NORTH OF A DEMOPOLIS TO WETUMPKA TO EUFAULA LINE.

THE SCATTERED THUNDERSTORMS THAT DEVELOPED ALONG OLD OUTFLOW
BOUNDARYS ACROSS NORTHEAST AND EAST CENTRAL ALABAMA WILL LOOSE THE
HEATING OF THE DAY AND DIMINISH BY 10 PM.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

SEVERE THUNDERSTORMS CAN BE EXPECTED AGAIN THURSDAY AFTERNOON AND
EVENING...AND THEN AGAIN FRIDAY INTO FRIDAY NIGHT.  LARGE HAIL AND
DAMAGING WINDS ARE THE MAIN HAZARDS.

ON THURSDAY...THE ATMOSPHERE ACROSS CENTRAL ALABAMA WILL REMAIN
MOIST AND UNSTABLE.  THIS ATMOSPHERE WILL BE CAPABLE OF SUPPORTING
SEVERE THUNDERSTORM DEVELOPMENT.  IN ADDITION...AN UPPER LEVEL
DISTURBANCE MOVING OVER THE REGION WILL PROVIDE EXTRA LIFT FOR
THUNDERSTORM DEVELOPMENT.  ONCE AGAIN...THESE STORMS MAY DEVELOP
ANYWHERE ACROSS CENTRAL ALABAMA MAINLY DURING THE HEATING OF THE
DAY...BUT THE GREATEST THREAT WILL BE NORTH OF INTERSTATE 20.

ON FRIDAY AND FRIDAY NIGHT...A COLD FRONT WILL PUSH THROUGH
CENTRAL ALABAMA.  THE ATMOSPHERE AHEAD OF THIS FRONT WILL BE MOIST
AND UNSTABLE ACROSS ALL OF CENTRAL ALABAMA.  IN ADDITION...A STRONGER
UPPER LEVEL DISTURBANCE WILL BE ASSOCIATED WITH THE FRONT AS IT
PUSHES THROUGH.  THIS SITUATION MAY PRODUCE MORE WIDESPREAD SEVERE
WEATHER IN THE FORM OF DAMAGING WINDS AND LARGE HAIL.  THE STORMS
WILL BEGIN BETWEEN 2 PM CDT AND 4 PM CDT IN NORTHWEST ALABAMA AND
MOVE SOUTHEASTWARD...GRADUALLY WEAKENING IN SOUTHEAST ALABAMA BY
EARLY SATURDAY MORNING.

.SPOTTER INFORMATION STATEMENT...

STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL HAVE ACTIVATED AND
WILL BE REQUIRED THROUGH 10 PM CDT...MAINLY NORTHEAST OF A WARRIOR TO
AUBURN LINE.  ACTIVATION MAY BE REQUIRED THURSDAY AFTERNOON...AND
FRIDAY AFTERNOON AND EVENING.  PLEASE STAY TUNED TO LATEST DETAILS
CONCERNING THESE POTENTIAL THUNDERSTORMS.

MBS/91

In the hours before

Local storm report, Apr 19, 5:25 PM CDT, 1 hour 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
525 PM CDT WED APR 19 2006

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

0520 PM     HAIL             N CLEVELAND             33.99N 86.57W
04/19/2006  E1.50 INCH       BLOUNT             AL   PUBLIC

            PING BALL SIZE HAIL IN THE CITY OF CLEVELAND.

&&

80

Local storm report, Apr 19, 5:29 PM CDT, 1 hour 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
529 PM CDT WED APR 19 2006

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

0445 PM     HAIL             LANETT                  32.87N 85.21W
04/19/2006  E2.75 INCH       CHAMBERS           AL   PUBLIC

            GOLF BALL TO BASEBALL SIZED HAIL IN LANETT.

0505 PM     HAIL             4 N SPRINGVILLE         33.83N 86.48W
04/19/2006  E1.00 INCH       BLOUNT             AL   BROADCAST MEDIA

            QUARTER SIZED HAIL COVERING THE GROUND IN PINE MOUNTAIN.

0510 PM     HAIL             ASHVILLE                33.83N 86.26W
04/19/2006  E0.75 INCH       ST. CLAIR          AL   AMATEUR RADIO

            PENNY SIZED HAIL IN ASHVILLE...FUNNEL NEAR ASHVILLE WEST
            OF I-59.

&&

DCW

Local storm report, Apr 19, 5:42 PM CDT, 1 hour 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
542 PM CDT WED APR 19 2006

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

0541 PM     TORNADO          2 E ODENVILLE           33.69N 86.36W
04/19/2006                   ST. CLAIR          AL   EMERGENCY MNGR

            TORNADO MOVING TOWARD ODENVILLE ON COUNTY ROAD 22.

&&

DCW

Local storm report, Apr 19, 5:44 PM CDT, 1 hour 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
544 PM CDT WED APR 19 2006

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

0527 PM     HAIL             3 E ODENVILLE           33.69N 86.35W
04/19/2006  E0.75 INCH       ST. CLAIR          AL   AMATEUR RADIO

            PENNY SIZED HAIL NEAR INTERSECTION OF HWY 411 AND COUNTY
            ROAD 22.

&&

DCW

Special weather statement, Apr 19, 5:54 PM CDT, 1 hour 3 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
554 PM CDT WED APR 19 2006

ALZ047-192330-
LEE-
554 PM CDT WED APR 19 2006

...SIGNIFICANT WEATHER ALERT IN EFFECT FOR LEE COUNTY UNTIL 630 PM
CDT...

AT 554 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM 6 MILES WEST OF SMITHS...MOVING SOUTHEAST AT 15 MPH.

THIS THUNDERSTORM WILL AFFECT AREAS IN AND NEAR SMITHS THROUGH 630 PM
CDT.

THE PRIMARY THREAT FROM THESE STORMS IS SMALL HAIL. HAIL UP TO ONE
HALF INCH IN DIAMETER...IS POSSIBLE. IF YOU ARE OUTDOORS IN THE
VICINITY OF THESE STORMS...TAKE SHELTER NOW.

10/ARM

Local storm report, Apr 19, 6:52 PM CDT, 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
652 PM CDT WED APR 19 2006

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

0540 PM     HAIL             3 NE ODENVILLE          33.72N 86.36W
04/19/2006  E0.75 INCH       ST. CLAIR          AL   PUBLIC

            PENNY SIZED HAIL NEAR ODENVILLE.

0551 PM     HAIL             7 E ODENVILLE           33.69N 86.28W
04/19/2006  E1.00 INCH       ST. CLAIR          AL   EMERGENCY MNGR

            QUARTER SIZED HAIL IN THE WATTSVILLE COMMUNITY ON HWY
            144.

0552 PM     HEAVY RAIN       ROSA                    33.98N 86.51W
04/19/2006  E0.00 INCH       BLOUNT             AL   EMERGENCY MNGR

            WATER COVERING THE ROAD IN ROSA.

0555 PM     TSTM WND DMG     7 E ODENVILLE           33.69N 86.28W
04/19/2006                   ST. CLAIR          AL   EMERGENCY MNGR

            TREES DOWN ON COAL CITY ROAD IN WATTSVILLE COMMUNITY.

0555 PM     HAIL             2 N PELL CITY           33.59N 86.27W
04/19/2006  E1.75 INCH       ST. CLAIR          AL   AMATEUR RADIO

            GOLF BALL SIZED HAIL JUST NORTH OF PELL CITY.

0600 PM     HAIL             RIVERSIDE               33.61N 86.21W
04/19/2006  E1.75 INCH       ST. CLAIR          AL   EMERGENCY MNGR

            GOLF BALL SIZED HAIL IN RIVERSIDE.

0605 PM     FUNNEL CLOUD     PELL CITY               33.56N 86.27W
04/19/2006                   ST. CLAIR          AL   PUBLIC

            FUNNEL CLOUD OVER PELL CITY JUST OFF HWY 78.

0615 PM     HAIL             TALLADEGA               33.43N 86.10W
04/19/2006  E1.75 INCH       TALLADEGA          AL   EMERGENCY MNGR

            GOLF BALL SIZED HAIL IN NORTH TALLADEGA ON HWY 34.

0615 PM     HAIL             RIVERSIDE               33.61N 86.21W
04/19/2006  E1.75 INCH       ST. CLAIR          AL   AMATEUR RADIO

            GOLF BALL SIZED HAIL IN RIVERSIDE.

0616 PM     HAIL             PROVIDENCE              32.34N 87.77W
04/19/2006  E0.88 INCH       MARENGO            AL   EMERGENCY MNGR

            NICKEL SIZED HAIL IN PROVIDENCE.

0628 PM     FUNNEL CLOUD     TALLADEGA               33.43N 86.10W
04/19/2006                   TALLADEGA          AL   EMERGENCY MNGR

            FUNNEL CLOUD JUST SOUTH OF TALLADEGA.

0631 PM     HAIL             TALLADEGA               33.43N 86.10W
04/19/2006  E1.75 INCH       TALLADEGA          AL   AMATEUR RADIO

            GOLF BALL SIZED HAIL IN TALLADEGA.

&&

DCW

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 19, 12:13 PM CDT	Severe Thunderstorm Warning	BMX	Cherokee	62 min
Apr 19, 1:11 PM CDT	Severe Thunderstorm Warning	BMX	Cherokee	49 min
Apr 19, 2:00 PM CDT	Severe Thunderstorm Warning	BMX	Cherokee	45 min
Apr 19, 2:17 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun	58 min
Apr 19, 2:18 PM CDT	Severe Thunderstorm Warning	BMX	Etowah	25 min
Apr 19, 2:38 PM CDT	Severe Thunderstorm Warning	BMX	Cleburne	67 min
Apr 19, 3:05 PM CDT	Severe Thunderstorm Warning	BMX	Blount	55 min
Apr 19, 3:05 PM CDT	Severe Thunderstorm Warning	BMX	Randolph	40 min
Apr 19, 3:24 PM CDT	Severe Thunderstorm Warning	BMX	Chambers	66 min
Apr 19, 3:25 PM CDT	Severe Thunderstorm Warning	BMX	Cherokee	50 min
Apr 19, 3:34 PM CDT	Severe Thunderstorm Warning	BMX	Etowah	41 min
Apr 19, 3:38 PM CDT	Severe Thunderstorm Warning	BMX	Randolph	67 min
Apr 19, 3:41 PM CDT	Severe Thunderstorm Warning	BMX	Cleburne	21 min
Apr 19, 3:59 PM CDT	Severe Thunderstorm Warning	BMX	Blount	46 min
Apr 19, 4:06 PM CDT	Severe Thunderstorm Warning	BMX	St. Clair	69 min
Apr 19, 4:15 PM CDT	Severe Thunderstorm Warning	BMX	Etowah	60 min
Apr 19, 4:26 PM CDT	Severe Thunderstorm Warning	BMX	Chambers	49 min
Apr 19, 4:27 PM CDT	Severe Thunderstorm Warning	BMX	Winston	33 min
Apr 19, 4:37 PM CDT	Severe Thunderstorm Warning	BMX	Cherokee	38 min
Apr 19, 4:44 PM CDT	Severe Thunderstorm Warning	BMX	Blount	61 min
Apr 19, 4:45 PM CDT	Severe Thunderstorm Warning	BMX	Randolph	30 min
Apr 19, 5:04 PM CDT	Tornado Warning	BMX	St. Clair	56 min
Apr 19, 5:14 PM CDT	Severe Thunderstorm Warning	BMX	Chambers	21 min
Apr 19, 5:47 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Talladega	43 min
Apr 19, 5:47 PM CDT	Severe Thunderstorm Warning	BMX	Blount	43 min
Apr 19, 5:55 PM CDT	Flash Flood Warning	BMX	Blount	3 hr
Apr 19, 5:59 PM CDT	Tornado Warning	BMX	St. Clair, Talladega	46 min
Apr 19, 6:26 PM CDT	Severe Thunderstorm Warning	BMX	Clay	64 min
Apr 19, 6:30 PM CDT	Severe Thunderstorm Warning	BMX	Blount	60 min
Apr 19, 6:35 PM CDT	Severe Thunderstorm Warning	BMX	Shelby	40 min
Apr 19, 6:45 PM CDT	Severe Thunderstorm Warning	BMX	Talladega	60 min
Apr 19, 6:49 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson	56 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2006 Every severe thunderstorm warning in 2006

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.