Alert archive / Alabama / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 216, NWS Birmingham, AL

July 5, 2012Lee County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jul 5, 2012, 5:43 PM CDT for Lee County, Alabama. It was in force for 47 min. 6 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: Jul 5, 2012, 5:43 PM CDT (22:43 UTC)
Expired: Jul 5, 2012, 6:30 PM CDT
In force: 47 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

County Lee County, AL

What was reported inside it

Time	Report	Where	Remark
Jul 5, 5:47 PM CDT	TSTM WND GST 59	Auburn, AL
Jul 5, 5:52 PM CDT	TSTM WND DMG	Auburn, AL	TREES AND POWER LINES BLOWN DOWN NEAR EXIT 57 ON INTERSTATE 85.
Jul 5, 6:03 PM CDT	TSTM WND DMG	Auburn, AL	TREES AND POWER LINES BLOWN DOWN ACROSS THE CITY OF AUBURN.
Jul 5, 6:04 PM CDT	HAIL 0.25	Auburn, AL
Jul 5, 6:06 PM CDT	HAIL 1	Auburn, AL	BERRY ROAD ON SOUTHEAST SIDE OF TOWN.
Jul 5, 6:18 PM CDT	HAIL 0.88	Auburn, AL	PEA TO DIME SIZE HAIL ON AUBURN UNIVERSITY CAMPUS WITH WINDS ESTIMATED FROM 40 TO 50 MPH.

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 12:00Z, 10.7 hours before the alert went out and 125 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: 1009 J/kg
Mixed-layer CIN: -89 J/kg
Mixed-layer LCL: 1299 m above ground
0-6 km bulk shear: 3 kt
0-1 km storm-relative helicity: -28 m²/s²
0-3 km storm-relative helicity: 5 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

321 
WUUS54 KBMX 052243
SVRBMX
ALC081-052330-
/O.NEW.KBMX.SV.W.0216.120705T2243Z-120705T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
543 PM CDT THU JUL 5 2012

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN LEE COUNTY IN EAST CENTRAL ALABAMA...

* UNTIL 630 PM CDT

* AT 540 PM CDT...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING
  WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR AUBURN...
  AND MOVING WEST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  AUBURN...AUBURN UNIVERSITY...CHEWACLA STATE PARK...LOACHAPOKA AND
  ROXANA.

THIS INCLUDES...
INTERSTATE 85 EXIT NUMBERS 51 THROUGH 60...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS.

&&

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

LAT...LON 3249 8544 3250 8549 3257 8566 3258 8566
      3258 8569 3270 8570 3271 8567 3271 8561
      3273 8557 3273 8549 3274 8548 3273 8548
      3273 8544 3274 8541 3273 8537 3255 8536
TIME...MOT...LOC 2243Z 071DEG 16KT 3259 8546

$$

GRANTHAM

3 follow-up statements

904 
WWUS54 KBMX 052253
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
553 PM CDT THU JUL 5 2012

ALC081-052330-
/O.CON.KBMX.SV.W.0216.000000T0000Z-120705T2330Z/
LEE AL-
553 PM CDT THU JUL 5 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN LEE
COUNTY UNTIL 630 PM CDT...

AT 549 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND 
DAMAGING WINDS IN EXCESS OF 60 MPH. AT 547 PM CDT...A 59 MPH WIND 
GUST WAS REPORTED AT THE AUBURN-OPELIKA AIRPORT. THIS STORM WAS 
LOCATED NEAR AUBURN...MOVING WEST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
  LOACHAPOKA AND ROXANA.

THIS INCLUDES...
INTERSTATE 85 EXIT NUMBERS 51 THROUGH 60...

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

LAT...LON 3249 8544 3250 8549 3257 8566 3258 8566
      3258 8569 3270 8570 3271 8567 3271 8561
      3273 8557 3273 8549 3274 8548 3273 8548
      3273 8544 3274 8541 3273 8537 3255 8536
TIME...MOT...LOC 2252Z 071DEG 16KT 3258 8551

$$

GRANTHAM

714 
WWUS54 KBMX 052305
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
605 PM CDT THU JUL 5 2012

ALC081-052330-
/O.CON.KBMX.SV.W.0216.000000T0000Z-120705T2330Z/
LEE AL-
605 PM CDT THU JUL 5 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN LEE
COUNTY UNTIL 630 PM CDT...

AT 603 PM CDT...EMERGENCY MANAGEMENT REPORTED TREES DOWN IN AUBURN. 
THIS STORM IS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING 
WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR AUBURN 
UNIVERSITY...OR NEAR AUBURN...MOVING WEST AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
  LOACHAPOKA AND ROXANA.

THIS INCLUDES...
INTERSTATE 85 EXIT NUMBERS 51 THROUGH 60...

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

LAT...LON 3249 8544 3250 8549 3257 8566 3258 8566
      3258 8569 3270 8570 3271 8567 3271 8561
      3273 8557 3273 8549 3274 8548 3273 8548
      3273 8544 3274 8541 3273 8537 3255 8536
TIME...MOT...LOC 2304Z 081DEG 13KT 3258 8553

$$

GRANTHAM

228 
WWUS54 KBMX 052321
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
621 PM CDT THU JUL 5 2012

ALC081-052330-
/O.CON.KBMX.SV.W.0216.000000T0000Z-120705T2330Z/
LEE AL-
621 PM CDT THU JUL 5 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WEST CENTRAL
LEE COUNTY UNTIL 630 PM CDT...

AT 620 PM CDT...EMERGENCY MANAGEMENT REPORTED A SEVERE THUNDERSTORM
PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.
THIS STORM WAS LOCATED 5 MILES EAST OF NOTASULGA...MOVING WEST AT 15 
MPH.

LOCATIONS IMPACTED INCLUDE...
  ROXANA.

THIS INCLUDES...
INTERSTATE 85 EXIT NUMBER 51...

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

LAT...LON 3253 8547 3250 8549 3257 8566 3258 8566
      3258 8569 3269 8570 3270 8569 3270 8559
      3265 8552 3259 8546
TIME...MOT...LOC 2321Z 081DEG 13KT 3257 8560

$$

GRANTHAM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 1:37 PM CDT	Special Weather Statement	BMX	Cleburne	38 min
Jul 5, 1:39 PM CDT	Special Weather Statement	BMX	Cherokee	51 min
Jul 5, 2:15 PM CDT	Special Weather Statement	BMX	Cleburne	45 min
Jul 5, 2:47 PM CDT	Special Weather Statement	BMX	Etowah	28 min
Jul 5, 2:59 PM CDT	Special Weather Statement	BMX	Calhoun	31 min
Jul 5, 3:21 PM CDT	Special Weather Statement	BMX	Tallapoosa	39 min
Jul 5, 3:57 PM CDT	Special Weather Statement	BMX	Coosa	33 min
Jul 5, 4:09 PM CDT	Special Weather Statement	BMX	Russell	51 min
Jul 5, 4:21 PM CDT	Severe Thunderstorm Warning	BMX	Russell	24 min
Jul 5, 4:26 PM CDT	Special Weather Statement	BMX	Coosa	49 min
Jul 5, 4:31 PM CDT	Special Weather Statement	BMX	Lee	44 min
Jul 5, 4:42 PM CDT	Severe Thunderstorm Warning	BMX	Russell	33 min
Jul 5, 4:58 PM CDT	Special Weather Statement	BMX	Blount	47 min
Jul 5, 5:11 PM CDT	Special Weather Statement	BMX	Lee, Russell	49 min
Jul 5, 5:20 PM CDT	Severe Thunderstorm Warning	BMX	Blount	25 min
Jul 5, 5:20 PM CDT	Severe Thunderstorm Warning	BMX	Lee, Russell	18 min
Jul 5, 5:23 PM CDT	Special Weather Statement	BMX	Talladega	52 min
Jul 5, 5:51 PM CDT	Severe Thunderstorm Warning	BMX	Blount	24 min
Jul 5, 5:55 PM CDT	Special Weather Statement	BMX	Chilton	50 min
Jul 5, 5:59 PM CDT	Special Weather Statement	BMX	St. Clair	46 min
Jul 5, 6:03 PM CDT	Severe Thunderstorm Warning	BMX	St. Clair	27 min
Jul 5, 6:07 PM CDT	Severe Thunderstorm Warning	BMX	Blount, St. Clair	38 min
Jul 5, 6:20 PM CDT	Areal Flood Warning	BMX	Lee	3 hr
Jul 5, 6:22 PM CDT	Special Weather Statement	BMX	Cherokee	53 min
Jul 5, 6:26 PM CDT	Special Weather Statement	BMX	Macon	49 min
Jul 5, 6:29 PM CDT	Special Weather Statement	BMX	St. Clair	46 min
Jul 5, 6:31 PM CDT	Severe Thunderstorm Warning	BMX	St. Clair	29 min
Jul 5, 6:32 PM CDT	Special Weather Statement	BMX	Lee	28 min
Jul 5, 6:40 PM CDT	Severe Thunderstorm Warning	BMX	Chilton, Shelby	35 min
Jul 5, 6:46 PM CDT	Severe Thunderstorm Warning	BMX	Blount, St. Clair	16 min
Jul 5, 6:52 PM CDT	Special Weather Statement	BMX	Talladega	38 min
Jul 5, 6:53 PM CDT	Special Weather Statement	BMX	Chilton	52 min
Jul 5, 6:55 PM CDT	Severe Thunderstorm Warning	BMX	Shelby, Talladega	35 min
Jul 5, 6:57 PM CDT	Special Weather Statement	BMX	Etowah	48 min
Jul 5, 6:57 PM CDT	Severe Thunderstorm Warning	BMX	Macon, Tallapoosa	35 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2012 Every severe thunderstorm warning in 2012

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.