Alert archive / Alabama / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 113, NWS Birmingham, AL

June 11, 2007Chambers County, Lee County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jun 11, 2007, 9:40 PM CDT for Chambers County, Lee County, Alabama. It was in force for 50 min. 3 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: Jun 11, 2007, 9:40 PM CDT (02:40 UTC)
Expired: Jun 11, 2007, 10:30 PM CDT
In force: 50 min
Issued by: NWS Birmingham, AL
Area: Counties, with a storm outline in the text

Counties Chambers County, AL, Lee County, AL

What was reported inside it

Time	Report	Where	Remark
Jun 11, 9:50 PM CDT	TSTM WND DMG	8 S Lafayette, AL	CHAMBERS COUNTY SHERIFF REPORTED NUMEROUS LARGE TREES DOWN IN THE SOUTH CENTRAL PORTION OF THE COUNTY.
Jun 11, 10:00 PM CDT	HAIL 0.88	3 Nw Opelika, AL
Jun 11, 10:08 PM CDT	TSTM WND DMG	Opelika, AL	OPELIKA POLICE DEPARTMENT REPORTED SEVERAL LARGE TREES DOWN NEAR THE HOSPITAL.

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

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 2.7 hours before the alert went out and 108 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: 235 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 2072 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: -20 m²/s²
0-3 km storm-relative helicity: 95 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KBMX 120241
SVRBMX
ALC017-081-120330-
/O.NEW.KBMX.SV.W.0113.070612T0240Z-070612T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
940 PM CDT MON JUN 11 2007

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL CHAMBERS COUNTY IN EAST CENTRAL ALABAMA...
  CENTRAL LEE COUNTY IN EAST CENTRAL ALABAMA...
  THIS INCLUDES THE CITY OF OPELIKA...

* UNTIL 1030 PM CDT

* AT 939 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 9 MILES
  NORTH OF OPELIKA...OR 8 MILES SOUTH OF LAFAYETTE...AND MOVING SOUTH
  AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  OPELIKA BY 1020 PM CDT...

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

LAT...LON 3286 8535 3281 8552 3253 8544 3261 8519

$$

17

2 follow-up statements

000 
WWUS54 KBMX 120258
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
957 PM CDT MON JUN 11 2007

ALC017-081-120330-
/O.CON.KBMX.SV.W.0113.000000T0000Z-070612T0330Z/
LEE AL-CHAMBERS AL-
957 PM CDT MON JUN 11 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT
FOR SOUTH CENTRAL CHAMBERS AND CENTRAL LEE COUNTIES...

AT 956 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS
LOCATED NEAR OPELIKA...MOVING SOUTH AT 20 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  ROBERT G. PITTS AIRPORT BY 1005 PM CDT...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

LAT...LON 3286 8535 3281 8552 3253 8544 3261 8519

$$

17

000 
WWUS54 KBMX 120312
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1012 PM CDT MON JUN 11 2007

ALC017-120322-
/O.CAN.KBMX.SV.W.0113.000000T0000Z-070612T0330Z/
CHAMBERS AL-
1012 PM CDT MON JUN 11 2007

...THE SEVERE THUNDERSTORM WARNING FOR CHAMBERS COUNTY IS
CANCELLED...

LAT...LON 3251 8550 3273 8551 3273 8543 3274 8541
      3273 8540 3273 8533 3256 8531 3255 8530
      3250 8530

$$

ALC081-120330-
/O.CON.KBMX.SV.W.0113.000000T0000Z-070612T0330Z/
LEE AL-
1012 PM CDT MON JUN 11 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT
FOR CENTRAL LEE COUNTY...

AT 1009 PM CDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING QUARTER SIZE HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70
MPH.  THIS STORM WAS LOCATED NEAR ROBERT G. PITTS AIRPORT...OR ABOUT
NEAR OPELIKA...MOVING SOUTH AT 20 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  CHEWACLA STATE PARK BY 1020 PM CDT...
  BEAUREGARD BY 1025 PM CDT...

LAT...LON 3251 8550 3273 8551 3273 8543 3274 8541
      3273 8540 3273 8533 3256 8531 3255 8530
      3250 8530

$$

17

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 9:30 PM CDT	Severe Thunderstorm Warning	BMX	Russell	30 min
Jun 11, 9:59 PM CDT	Severe Thunderstorm Warning	BMX	Russell	18 min
Jun 12, 4:27 AM CDT	Severe Thunderstorm Warning	BMX	Russell	33 min
Jun 12, 1:44 PM CDT	Severe Thunderstorm Warning	BMX	Elmore	31 min
Jun 12, 2:13 PM CDT	Severe Thunderstorm Warning	BMX	Montgomery	47 min
Jun 12, 2:42 PM CDT	Severe Thunderstorm Warning	BMX	Autauga	18 min
Jun 12, 2:43 PM CDT	Severe Thunderstorm Warning	BMX	Elmore	47 min
Jun 12, 2:57 PM CDT	Severe Thunderstorm Warning	BMX	Montgomery	48 min
Jun 12, 3:26 PM CDT	Severe Thunderstorm Warning	BMX	Pike	19 min
Jun 12, 3:33 PM CDT	Severe Thunderstorm Warning	BMX	Lowndes	42 min
Jun 12, 3:54 PM CDT	Severe Thunderstorm Warning	BMX	Pike	36 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.