Alert archive / Alabama / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 102, NWS Birmingham, AL

April 19, 2006Chambers County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 19, 2006, 3:24 PM CDT for Chambers County, Alabama. It was in force for 66 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, 3:24 PM CDT (20:24 UTC)
Expired: Apr 19, 2006, 4:30 PM CDT
In force: 66 min
Issued by: NWS Birmingham, AL
Area: Counties, with a storm outline in the text

County Chambers County, AL

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, 9:59 AM CDT	Severe Thunderstorm Watch	SPC	6 hr
Apr 19, 2:54 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.4 hours before the alert went out and 97 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: 373 J/kg
Mixed-layer CIN: -147 J/kg
Mixed-layer LCL: 584 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 12 m²/s²
0-3 km storm-relative helicity: 37 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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 19, 2:55 PM CDT, 29 minutes earlier.

Area forecast discussion, Apr 19, 2:55 PM CDT, 29 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, 2:30 PM CDT, 54 minutes before

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

ALZ011>015-017>050-201930-
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-
230 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...THIS AFTERNOON AND TONIGHT.

SCATTERED SEVERE THUNDERSTORMS CAN BE EXPECTED UNTIL 10 PM CDT...
MAINLY NORTHEAST OF A WARRIOR TO SYLACAUGA TO AUBURN LINE.
VERY LARGE HAIL UP TO THE SIZE OF SOFTBALLS 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.

SCATTERED THUNDERSTORMS WILL MAINLY DEVELOP AND EXIST ALONG
AN OLD OUTFLOW BOUNDARY STRETCHING ACROSS NORTHEAST AND EAST
CENTRAL ALABAMA.  WITH A VERY UNSTABLE AIRMASS IN PLACE...SOME OF
THESE STORMS WILL BE SEVERE WITH VERY LARGE HAIL AS THE MAIN HAZARD.
THESE STORMS WILL WEAKEN AND DIMINISH BETWEEN 9 PM CDT AND 11 PM CDT
WITH THE LOSS OF DAYTIME HEATING.

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

SEVERE THUNDERSTORMS CAN BE EXPECTED THURSDAY AFTERNOON AND
EVENING...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 9 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, 2:38 PM CDT, 46 minutes before

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

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

0229 PM     HAIL             5 W PIEDMONT            33.93N 85.70W
04/19/2006  E1.75 INCH       CALHOUN            AL   BROADCAST MEDIA

            GOLF BALL SIZED HAIL NEAR THE CALHOUN...CHEROKEE AND
            ETOWAH COUNTY LINES.

&&

DCW

Local storm report, Apr 19, 2:40 PM CDT, 44 minutes before

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

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

0239 PM     HAIL             PIEDMONT                33.93N 85.62W
04/19/2006  E0.75 INCH       CALHOUN            AL   POST OFFICE

            PENNY SIZED HAIL IN PIEDMONT.

&&

DCW

Local storm report, Apr 19, 2:44 PM CDT, 40 minutes before

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

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

0236 PM     HAIL             2 N JACKSONVILLE        33.84N 85.76W
04/19/2006  E0.75 INCH       CALHOUN            AL   TRAINED SPOTTER

            PENNY SIZED HAIL JUST NORTH JACKSONVILLE.

0236 PM     HAIL             PIEDMONT                33.93N 85.62W
04/19/2006  E1.00 INCH       CALHOUN            AL   TRAINED SPOTTER

            QUARTER SIZED HAIL IN PIEDMONT.

&&

DCW

Local storm report, Apr 19, 3:06 PM CDT, 18 minutes before

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

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

0301 PM     HAIL             1 N NEWELL              33.45N 85.43W
04/19/2006  E0.88 INCH       RANDOLPH           AL   LAW ENFORCEMENT

            NICKEL SIZED HAIL JUST NORTH OF NEWELL

0301 PM     HAIL             5 SE JACKSONVILLE       33.76N 85.70W
04/19/2006  E1.00 INCH       CALHOUN            AL   LAW ENFORCEMENT

            QUARTER SIZED HAIL IN WHITE PLAINS.

&&

DCW

Local storm report, Apr 19, 3:12 PM CDT, 12 minutes before

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

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

0307 PM     HAIL             3 NE NEWELL             33.46N 85.40W
04/19/2006  E1.75 INCH       RANDOLPH           AL   PUBLIC

            GOLF BALL SIZED HAIL BETWEEN NEWELL AND GRAHAM.

&&

DCW

Local storm report, Apr 19, 3:20 PM CDT, 4 minutes before

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

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

0319 PM     HAIL             3 N ROANOKE             33.19N 85.37W
04/19/2006  E0.88 INCH       RANDOLPH           AL   PUBLIC

            NICKEL SIZED HAIL JUST NORTH OF ROANOKE.

&&

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, 3:25 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
Apr 19, 6:57 PM CDT	Severe Thunderstorm Warning	BMX	Walker	20 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.