Alert archive / Alabama / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 220, NWS Birmingham, AL

October 23, 20074 counties in Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Oct 23, 2007, 1:00 AM CDT for 4 counties in Alabama. It was in force for 45 min. 5 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Oct 23, 2007, 1:00 AM CDT (06:00 UTC)
Expired: Oct 23, 2007, 1:45 AM CDT
In force: 45 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

Counties Autauga County, AL, Chilton County, AL, Dallas County, AL, Lowndes County, AL

What was reported inside it

Time	Report	Where	Remark
Oct 23, 1:15 AM CDT	TSTM WND DMG	2 Wnw Braggs, AL	NUMEROUS TREES DOWN ALONG COUNTY ROAD 45.
Oct 23, 1:15 AM CDT	TSTM WND DMG	3 W Mosses, AL	NUMEROUS TREES DOWN BLOCKING ROADWAYS.
Oct 23, 1:30 AM CDT	TSTM WND DMG	Autaugaville, AL	NUMEROUS 2-3 INCH TREE LIMBS DOWN ACROSS ROADS. SCHOOLS IN AUTAUGAVILLE DELAYED UNTIL ROADS CLEARED.
Oct 23, 1:34 AM CDT	TORNADO 1	4 Nne Hayneville, AL	A SURVEY CREW FOUND EVIDENCE OF AN EF1 TORNADO NORTHEAST OF THE TOWN OF HAYNEVILLE. THE PATH LENGTH IS 3.25 MILES LONG AND 100 YARDS AT ITS WIDEST POINT. CREWS FOUND DAMAGE AT MT. OLIVE CHURCH AND THE AUXILIARY MT. OLIVE CHURCH ON FREDERICK DOUGLASS ROAD...ABO
Oct 23, 1:34 AM CDT	TORNADO 1	5 Ne Hayneville, AL	A SURVEY CREW FOUND EVIDENCE OF AN EF1 TORNADO NORTHEAST OF THE TOWN OF HAYNEVILLE. THE PATH LENGTH IS 3.25 MILES LONG AND 100 YARDS AT ITS WIDEST POINT. CREWS FOUND DAMAGE AT MT. OLIVE CHURCH AND THE AUXILIARY MT. OLIVE CHURCH ON FREDERICK DOUGLASS ROAD...ABO

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 3 storm reports to this severe thunderstorm warning; the first came 15 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

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

Issued	Product	Office	Lasted
Oct 23, 12:43 AM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 6.0 hours before the alert went out and 107 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: -1 J/kg
Mixed-layer LCL: 563 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 201 m²/s²
0-3 km storm-relative helicity: 241 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KBMX 230600
SVRBMX
ALC001-021-047-085-230645-
/O.NEW.KBMX.SV.W.0220.071023T0600Z-071023T0645Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
100 AM CDT TUE OCT 23 2007

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  AUTAUGA COUNTY IN CENTRAL ALABAMA...
  EXTREME SOUTHWESTERN CHILTON COUNTY IN CENTRAL ALABAMA...
  EASTERN DALLAS COUNTY IN SOUTH CENTRAL ALABAMA...
  LOWNDES COUNTY IN SOUTH CENTRAL ALABAMA...
  THIS INCLUDES THE CITIES OF...LOWNDESBORO...HAYNEVILLE...

* UNTIL 145 AM CDT

* AT 1255 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS.  THESE STORMS WERE LOCATED ALONG A
  LINE EXTENDING FROM 8 MILES WEST OF DAWSON MILL TO FOSTORIA...OR
  ALONG A LINE EXTENDING FROM 12 MILES NORTHEAST OF SELMA TO 22 MILES
  WEST OF HAYNEVILLE...AND MOVING EAST AT 35 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  DAWSON MILL...MULBERRY AND BENTON BY 105 AM CDT...
  VIDE JUNCTION...WHITE HALL AND MOUNT WILLING BY 110 AM CDT...
  MOSSES...BEECHWOOD AND AUTAUGAVILLE BY 115 AM CDT...
  LOWNDESBORO BY 120 AM CDT...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CDT TUESDAY MORNING
FOR EASTERN ALABAMA.

TO REPORT SEVERE WEATHER...
CALL 1-800-856-0758.

LAT...LON 3267 8653 3226 8649 3225 8642 3206 8641
      3199 8642 3199 8647 3199 8684 3204 8685
      3207 8685 3208 8698 3267 8699
TIME...MOT...LOC 0600Z 270DEG 42KT 3257 8685 3207 8685

$$

KSL

1 follow-up statement

000 
WWUS54 KBMX 230616
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
115 AM CDT TUE OCT 23 2007

ALC021-047-230625-
/O.CAN.KBMX.SV.W.0220.000000T0000Z-071023T0645Z/
DALLAS AL-CHILTON AL-
115 AM CDT TUE OCT 23 2007

...THE SEVERE THUNDERSTORM WARNING FOR EXTREME SOUTHWESTERN CHILTON
AND EASTERN DALLAS COUNTIES IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CDT TUESDAY MORNING
FOR EASTERN ALABAMA.

LAT...LON 3199 8678 3204 8679 3207 8685 3208 8681
      3262 8682 3267 8653 3230 8650 3226 8649
      3225 8642 3206 8641 3199 8643
TIME...MOT...LOC 0615Z 270DEG 30KT 3257 8672 3207 8672

$$

ALC001-085-230645-
/O.CON.KBMX.SV.W.0220.000000T0000Z-071023T0645Z/
LOWNDES AL-AUTAUGA AL-
115 AM CDT TUE OCT 23 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 AM CDT
FOR CENTRAL AUTAUGA AND LOWNDES COUNTIES...

AT 114 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS.  THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM VIDE JUNCTION TO MOUNT WILLING...OR ALONG
A LINE EXTENDING FROM 18 MILES NORTHWEST OF PRATTVILLE TO 12 MILES
SOUTHWEST OF HAYNEVILLE...MOVING EAST AT 35 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  VIDE JUNCTION...MOSSES...BEECHWOOD AND AUTAUGAVILLE BY 120 AM
  CDT...
  LOWNDESBORO...HAYNEVILLE AND BOOTH BY 125 AM CDT...
  AUTAUGA COUNTY AIRPORT...MANACK AND LETOHATCHEE BY 130 AM CDT...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CDT TUESDAY MORNING
FOR EASTERN ALABAMA.

LAT...LON 3199 8678 3204 8679 3207 8685 3208 8681
      3262 8682 3267 8653 3230 8650 3226 8649
      3225 8642 3206 8641 3199 8643
TIME...MOT...LOC 0615Z 270DEG 30KT 3257 8672 3207 8672

$$
KSL

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 Oct 23, 12:00 AM CDT, 1 hour earlier.

Area forecast discussion, Oct 23, 12:00 AM CDT, 1 hour before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1200 AM CDT TUE OCT 23 2007

.UPDATE...FOR AVIATION DISCUSSION.

&&

.DISCUSSION...

MADE JUST SOME MINOR ADJUSTMENTS TO TONIGHTS FORECAST AS THE ONGOING
FORECAST HAS A GOOD HANDLE ON THE CURRENT FORECAST.

MAIN CONCERN FOR THE NIGHT WILL BE THE EXTENT OF THE PRIMED AIRMASS
THAT HAS BEEN OVER SOUTHERN ALABAMA THIS AFTERNOON. LOOKING AT THE
LATEST CHARTS IT APPEARS AT THIS TIME THAT THE JUICIEST AIRMASS WILL
REMAIN SOUTH OF THE FORECAST AREA...BUT THERE MAY BE A FEW STORMS
THAT DRIFT INTO THE SOUTHERN PORTIONS OF THE AREA BEFORE DISSIPATING.
WILL NEED TO KEEP AN EYE ON THINGS...ESPECIALLY OVERNIGHT AS THE
SYSTEM MOVES FURTHER EAST. EXPECTING THE FRONT TO BE NEAR THE AL/MS
STATE LINE BY 12Z TOMORROW. HEAVIEST RAIN LOOKS TO BE SETTING UP
ALONG THE I-20/I-59 CORRIDOR. UPDATES SENT.

&&

.AVIATION...06Z TAF DISCUSSION.
WIDESPREAD SHOWERS AND ISOLATED THUNDERSTORMS WILL CONTINUE TO
OVER-SPREAD THE AREA FROM THE WEST.  EXPECT IFR CONDITIONS AT ALL
SITES THE REMAINDER OF THE PERIOD THROUGH 00Z. MVFR CEILINGS WILL
HANG ON ACROSS THROUGH 6Z. SOUTHERLY WINDS 10 TO 15 MPH CAN BE
EXPECTED.

&&

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

&&

Hazardous weather outlook, Oct 22, 7:03 PM CDT, 5 hours 57 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BIRMINGHAM AL
703 PM CDT MON OCT 22 2007

ALZ011>015-017>050-240000-
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-
703 PM CDT MON OCT 22 2007

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

.DAY ONE...TONIGHT.

HEAVY RAINFALL...AND LOCALIZED FLOODING...WILL BE POSSIBLE
OVERNIGHT...GENERALLY WEST OF A LINE FROM BIRMINGHAM TO SELMA AS A
BROAD AREA OF PRECIPITATION MOVES NORTHEASTWARD ACROSS THE REGION.
RAINFALL ACCUMULATIONS OF 1 TO 3 INCHES CAN BE EXPECTED BY MORNING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH MONDAY.

STRONG THUNDERSTORMS AND LOCALLY HEAVY RAINFALL WILL BE POSSIBLE
TUESDAY. A COLD FRONT WILL SLOWLY MOVE ACROSS CENTRAL ALABAMA FROM
WEST TO EAST AS ABUNDANT MOISTURE REMAINS IN PLACE ACROSS THE AREA.

NO OTHER HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS
NOT ANTICIPATED AT THIS TIME.

In the hours before

Local storm report, Oct 22, 11:23 PM CDT, 1 hour 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1123 PM CDT MON OCT 22 2007

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

1052 PM     TSTM WND DMG     NEWBERN                 32.59N 87.54W
10/22/2007                   HALE               AL   EMERGENCY MNGR

            NUMEROUS TREES DOWN WITH SOME ON HOUSES ALONG COUNTY ROAD
            16. POSSIBLE TORNADO.

&&

JRA

Local storm report, Oct 22, 11:41 PM CDT, 1 hour 19 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1141 PM CDT MON OCT 22 2007

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

1052 PM     TSTM WND DMG     NEWBERN                 32.59N 87.54W
10/22/2007                   HALE               AL   EMERGENCY MNGR

            *** 1 INJ *** NUMEROUS TREES DOWN WITH SOME ON HOUSES
            ALONG COUNTY ROAD 16. 15 HOUSES DAMAGED...3 TRAILERS
            OVERTURNED...NUMEROUS DOWNED POWER LINES. POSSIBLE
            TORNADO.

&&

JRA

Local storm report, Oct 23, 12:58 AM CDT, 2 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1258 AM CDT TUE OCT 23 2007

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

1052 PM     TSTM WND DMG     NEWBERN                 32.59N 87.54W
10/22/2007                   HALE               AL   EMERGENCY MNGR

            *** 1 INJ *** NUMEROUS TREES DOWN WITH SOME ON HOUSES
            ALONG COUNTY ROAD 16. 15 HOUSES DAMAGED...3 TRAILERS
            OVERTURNED...NUMEROUS DOWNED POWER LINES. POSSIBLE
            TORNADO.

1210 AM     TSTM WND DMG     BRENT                   32.94N 87.18W
10/23/2007                   BIBB               AL   EMERGENCY MNGR

            NUMEROUS TREES DOWN AS WELL AS POWER LINES AROUND THE
            BEAR CREEK ROAD AND COUNTY ROAD 5.

1235 AM     TSTM WND DMG     SELMA                   32.42N 87.03W
10/23/2007                   DALLAS             AL   EMERGENCY MNGR

            POWER POLES AND LINES DOWN AT THE 1600 BLOCK OF
            WASHINGTON STREET IN DOWNTOWN SELMA.

1235 AM     TSTM WND DMG     SELMA                   32.42N 87.03W
10/23/2007                   DALLAS             AL   EMERGENCY MNGR

            TREE DOWN ON A HOUSE AT 11 ACKERS ALLEY IN DOWNTOWN
            SELMA.

&&

JRA

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 22, 9:33 PM CDT	Tornado Warning	BMX	Marengo	27 min
Oct 22, 9:59 PM CDT	Tornado Warning	BMX	Hale, Marengo, Perry	31 min
Oct 22, 10:30 PM CDT	Tornado Warning	BMX	Marengo	45 min
Oct 22, 10:44 PM CDT	Tornado Warning	BMX	Hale, Perry	31 min
Oct 22, 11:16 PM CDT	Tornado Warning	BMX	Bibb, Hale, Perry	29 min
Oct 22, 11:25 PM CDT	Tornado Warning	BMX	Dallas, Perry	35 min
Oct 23, 12:00 AM CDT	Tornado Warning	BMX	Bibb, Chilton, Dallas, Perry	45 min
Oct 23, 12:27 AM CDT	Severe Thunderstorm Warning	BMX	Autauga, Chilton, Dallas	33 min
Oct 23, 12:44 AM CDT	Severe Thunderstorm Warning	BMX	Chilton, Shelby	31 min
Oct 23, 1:11 AM CDT	Severe Thunderstorm Warning	BMX	Autauga, Chilton, Coosa, Elmore, Shelby, Talladega	49 min
Oct 23, 1:25 AM CDT	Tornado Warning	BMX	Chilton, Coosa	35 min
Oct 23, 1:33 AM CDT	Tornado Warning	BMX	St. Clair, Shelby	27 min
Oct 23, 1:39 AM CDT	Tornado Warning	BMX	Lowndes, Montgomery	36 min
Oct 23, 1:54 AM CDT	Tornado Warning	BMX	Elmore	36 min
Oct 23, 1:59 AM CDT	Tornado Warning	BMX	Talladega	31 min
Oct 23, 2:06 AM CDT	Severe Thunderstorm Warning	BMX	Coosa, Tallapoosa	39 min
Oct 23, 2:16 AM CDT	Severe Thunderstorm Warning	BMX	St. Clair, Talladega	29 min
Oct 23, 2:27 AM CDT	Tornado Warning	BMX	Coosa, Tallapoosa	20 min
Oct 23, 2:33 AM CDT	Tornado Warning	BMX	Lowndes, Montgomery	27 min
Oct 23, 2:35 AM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Talladega	25 min
Oct 23, 2:50 AM CDT	Severe Thunderstorm Warning	BMX	Tallapoosa	40 min
Oct 23, 1:47 PM CDT	Severe Thunderstorm Warning	BMX	Barbour, Bullock, Lee, Macon, Russell	28 min
Oct 23, 2:15 PM CDT	Severe Thunderstorm Warning	BMX	Lee, Russell	30 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2007 Every severe thunderstorm warning in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.