Alert archive / Alabama / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 280, NWS Birmingham, AL

June 11, 2011Montgomery County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jun 11, 2011, 3:28 PM CDT for Montgomery County, Alabama. It was in force for 47 min. 1 report 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, 2011, 3:28 PM CDT (20:28 UTC)
Expired: Jun 11, 2011, 4:15 PM CDT
In force: 47 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

County Montgomery County, AL

What was reported inside it

Time	Report	Where	Remark
Jun 11, 3:33 PM CDT	HAIL 1	3 E Carters Hill, AL

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

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 8.5 hours before the alert went out and 117 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: 835 J/kg
Mixed-layer CIN: -107 J/kg
Mixed-layer LCL: 1318 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: 0 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.

216 
WUUS54 KBMX 112028
SVRBMX
ALC101-112115-
/O.NEW.KBMX.SV.W.0280.110611T2028Z-110611T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
328 PM CDT SAT JUN 11 2011

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN MONTGOMERY COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 415 PM CDT

* AT 326 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 7 MILES
  SOUTHEAST OF PIKE ROAD...OR 10 MILES NORTHEAST OF MEADVILLE...AND
  MOVING NORTH AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PIKE ROAD...MOUNT MEIGS...WAUGH...AUBURN UNIVERSITY IN
  MONTGOMERY...CECIL...BARACHIAS...BRASSELL AND MITYLENE.

THIS INCLUDES...
INTERSTATE 85 EXIT NUMBERS 4 THROUGH 16...

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 3240 8627 3243 8616 3240 8605 3242 8603
      3241 8601 3234 8599 3234 8597 3232 8596
      3227 8595 3227 8598 3225 8600 3213 8600
      3210 8613
TIME...MOT...LOC 2029Z 165DEG 9KT 3221 8606

$$

27

1 follow-up statement

276 
WWUS54 KBMX 112049
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
349 PM CDT SAT JUN 11 2011

ALC101-112115-
/O.CON.KBMX.SV.W.0280.000000T0000Z-110611T2115Z/
MONTGOMERY AL-
349 PM CDT SAT JUN 11 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EAST CENTRAL
MONTGOMERY COUNTY UNTIL 415 PM CDT...

AT 345 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.  THIS STORM WAS LOCATED 6 MILES
SOUTH OF PIKE ROAD...OR 10 MILES NORTH OF MEADVILLE...MOVING
SOUTHWEST AT 10 MPH.

LOCATIONS IMPACTED INCLUDE...
  CARTERS HILL.

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

LAT...LON 3210 8613 3226 8620 3229 8606 3225 8600
      3213 8600
TIME...MOT...LOC 2049Z 066DEG 9KT 3220 8609

$$

27

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 7:50 PM CDT	Special Weather Statement	BMX	Bullock	25 min
Jun 10, 8:05 PM CDT	Special Weather Statement	BMX	Montgomery	25 min
Jun 10, 8:07 PM CDT	Special Weather Statement	BMX	Pike	23 min
Jun 10, 8:45 PM CDT	Special Weather Statement	BMX	Barbour	30 min
Jun 10, 9:40 PM CDT	Special Weather Statement	BMX	Barbour	35 min
Jun 10, 10:18 PM CDT	Special Weather Statement	BMX	Dale	27 min
Jun 10, 10:49 PM CDT	Special Weather Statement	BMX	Russell	41 min
Jun 11, 1:24 PM CDT	Special Weather Statement	BMX	Clay	51 min
Jun 11, 1:29 PM CDT	Severe Thunderstorm Warning	BMX	Clay	30 min
Jun 11, 2:18 PM CDT	Special Weather Statement	BMX	Coosa	42 min
Jun 11, 2:28 PM CDT	Severe Thunderstorm Warning	BMX	Tallapoosa	47 min
Jun 11, 2:31 PM CDT	Severe Thunderstorm Warning	BMX	Elmore	29 min
Jun 11, 2:35 PM CDT	Special Weather Statement	BMX	Cherokee	40 min
Jun 11, 2:47 PM CDT	Special Weather Statement	BMX	Cherokee, Etowah, St. Clair	43 min
Jun 11, 2:53 PM CDT	Special Weather Statement	BMX	Shelby	37 min
Jun 11, 2:59 PM CDT	Severe Thunderstorm Warning	BMX	Elmore	26 min
Jun 11, 3:06 PM CDT	Special Weather Statement	BMX	Tallapoosa	39 min
Jun 11, 3:09 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson, Shelby	29 min
Jun 11, 3:18 PM CDT	Areal Flood Advisory	BMX	Jefferson, Shelby	117 min
Jun 11, 3:33 PM CDT	Special Weather Statement	BMX	Calhoun, Cleburne, Talladega	42 min
Jun 11, 3:39 PM CDT	Special Weather Statement	BMX	Bibb	51 min
Jun 11, 3:42 PM CDT	Severe Thunderstorm Warning	BMX	Montgomery	48 min
Jun 11, 3:55 PM CDT	Special Weather Statement	BMX	Autauga	35 min
Jun 11, 4:14 PM CDT	Special Weather Statement	BMX	Calhoun, Cleburne, Talladega	46 min
Jun 11, 4:28 PM CDT	Special Weather Statement	BMX	Dallas	47 min
Jun 11, 4:33 PM CDT	Special Weather Statement	BMX	Dallas	27 min
Jun 11, 4:39 PM CDT	Special Weather Statement	BMX	Clay, Randolph, Talladega	51 min
Jun 11, 4:41 PM CDT	Special Weather Statement	BMX	Russell	49 min
Jun 11, 4:45 PM CDT	Severe Thunderstorm Warning	BMX	Russell	30 min
Jun 11, 4:52 PM CDT	Special Weather Statement	BMX	Lowndes	23 min
Jun 11, 5:16 PM CDT	Special Weather Statement	BMX	Barbour	44 min
Jun 11, 5:25 PM CDT	Special Weather Statement	BMX	Hale	50 min
Jun 11, 5:54 PM CDT	Special Weather Statement	BMX	Russell	36 min
Jun 11, 6:45 PM CDT	Special Weather Statement	BMX	Fayette	45 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2011 Every severe thunderstorm warning in 2011

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.