Alert archive / Alabama / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 60, NWS Birmingham, AL

March 26, 2011Lamar County, Marion County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 26, 2011, 6:29 PM CDT for Lamar County, Marion County, Alabama. It was in force for 61 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: Mar 26, 2011, 6:29 PM CDT (23:29 UTC)
Expired: Mar 26, 2011, 7:30 PM CDT
In force: 61 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

Counties Lamar County, AL, Marion County, AL

The radar

The Columbus AFB radar (KGWX), 42 km from the middle of the area, began a volume at 23:31 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Mar 26, 6:40 PM CDT	HAIL 1	2 Nw Detroit, AL	QUARTER SIZE HAIL.
Mar 26, 7:00 PM CDT	HAIL 1	5 Ne Guin, AL	NICKEL TO QUARTER SIZE HAIL ALONG I-22 NORTHEAST OF GUIN.
Mar 26, 7:13 PM CDT	HAIL 0.25	Guin, AL	PEA SIZE HAIL IN GUIN AND TWIN.

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

The watch it was issued in

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

Issued	Product	Office	Lasted
Mar 26, 12:15 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 11.5 hours before the alert went out and 147 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: 54 J/kg
Mixed-layer CIN: -256 J/kg
Mixed-layer LCL: 809 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 147 m²/s²
0-3 km storm-relative helicity: 185 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

214 
WUUS54 KBMX 262329
SVRBMX
ALC075-093-270030-
/O.NEW.KBMX.SV.W.0060.110326T2329Z-110327T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
629 PM CDT SAT MAR 26 2011

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN LAMAR COUNTY IN WEST CENTRAL ALABAMA...
  MARION COUNTY IN NORTHWEST ALABAMA...

* UNTIL 730 PM CDT

* AT 626 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
  SMITHVILLE...OR 9 MILES NORTHEAST OF AMORY...AND MOVING EAST AT 40
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  HAMILTON...WINFIELD...DETROIT...BEAVERTON...WESTON...GUIN...GU-WIN
  AND HACKLEBURG.

THIS INCLUDES...
US 78 EXIT NUMBERS 3 THROUGH 34...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT SATURDAY EVENING
FOR SOUTHERN ALABAMA.

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

LAT...LON 3421 8819 3432 8772 3432 8764 3391 8764
      3393 8795 3389 8795 3394 8822
TIME...MOT...LOC 2329Z 265DEG 34KT 3407 8832

$$

17/KLAWS

2 follow-up statements

049 
WWUS54 KBMX 262343
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
643 PM CDT SAT MAR 26 2011

ALC075-093-270030-
/O.CON.KBMX.SV.W.0060.000000T0000Z-110327T0030Z/
LAMAR AL-MARION AL-
643 PM CDT SAT MAR 26 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR MARION AND
NORTHERN LAMAR COUNTIES UNTIL 730 PM CDT...

AT 640 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A SEVERE THUNDERSTORM
PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.
 THIS STORM WAS LOCATED NEAR DETROIT...OR 13 MILES NORTH OF
SULLIGENT...MOVING EAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  HAMILTON...WINFIELD...BEAVERTON...WESTON...GUIN...GU-WIN...
  HACKLEBURG...BRINN...BRILLIANT AND LAKE BUTTAHATCHEE.

THIS INCLUDES...
US 78 EXIT NUMBERS 3 THROUGH 34...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

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

LAT...LON 3421 8819 3432 8772 3432 8764 3391 8764
      3393 8795 3389 8795 3394 8822
TIME...MOT...LOC 2343Z 265DEG 34KT 3407 8816

$$

17/KLAWS

328 
WWUS54 KBMX 270016
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
716 PM CDT SAT MAR 26 2011

ALC075-270026-
/O.CAN.KBMX.SV.W.0060.000000T0000Z-110327T0030Z/
LAMAR AL-
716 PM CDT SAT MAR 26 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN LAMAR COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

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

LAT...LON 3420 8764 3391 8764 3393 8795 3400 8795
      3414 8793 3419 8773
TIME...MOT...LOC 0016Z 284DEG 34KT 3397 8775

$$

ALC093-270030-
/O.CON.KBMX.SV.W.0060.000000T0000Z-110327T0030Z/
MARION AL-
716 PM CDT SAT MAR 26 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
MARION COUNTY UNTIL 730 PM CDT...

AT 712 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A SEVERE THUNDERSTORM
PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.
 THIS STORM WAS LOCATED NEAR WINFIELD...MOVING EAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF SOUTHEASTERN MARION COUNTY.

THIS INCLUDES...
US 78 EXIT NUMBERS 22 THROUGH 34...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

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

LAT...LON 3420 8764 3391 8764 3393 8795 3400 8795
      3414 8793 3419 8773
TIME...MOT...LOC 0016Z 284DEG 34KT 3397 8775

$$

17/KLAWS

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 26, 3:49 AM CDT	Special Weather Statement	BMX	Marion	41 min
Mar 26, 4:09 AM CDT	Severe Thunderstorm Warning	BMX	Marion	51 min
Mar 26, 4:48 AM CDT	Areal Flood Advisory	BMX	Marion, Winston	117 min
Mar 26, 4:57 AM CDT	Severe Thunderstorm Warning	BMX	Marion, Winston	48 min
Mar 26, 6:22 AM CDT	Special Weather Statement	BMX	Marshall	23 min
Mar 26, 7:43 AM CDT	Special Weather Statement	BMX	Marion	47 min
Mar 26, 12:38 PM CDT	Severe Thunderstorm Warning	BMX	Greene, Marengo, Sumter	52 min
Mar 26, 1:05 PM CDT	Tornado Warning	BMX	Greene, Hale, Perry	55 min
Mar 26, 1:25 PM CDT	Tornado Warning	BMX	Fayette, Walker	25 min
Mar 26, 1:36 PM CDT	Tornado Warning	BMX	Dallas, Perry	39 min
Mar 26, 1:46 PM CDT	Severe Thunderstorm Warning	BMX	Chilton, Coosa	59 min
Mar 26, 2:32 PM CDT	Severe Thunderstorm Warning	BMX	Clay, Coosa, Tallapoosa	58 min
Mar 26, 2:46 PM CDT	Severe Thunderstorm Warning	BMX	Coosa, Tallapoosa	44 min
Mar 26, 2:49 PM CDT	Severe Thunderstorm Warning	BMX	Autauga, Dallas, Elmore, Perry	41 min
Mar 26, 2:51 PM CDT	Tornado Warning	BMX	St. Clair	24 min
Mar 26, 2:59 PM CDT	Severe Thunderstorm Warning	BMX	Etowah, St. Clair	31 min
Mar 26, 3:02 PM CDT	Severe Thunderstorm Warning	BMX	Chambers, Clay, Randolph, Tallapoosa	43 min
Mar 26, 3:07 PM CDT	Tornado Warning	BMX	Chambers, Tallapoosa	53 min
Mar 26, 3:11 PM CDT	Tornado Warning	BMX	Autauga, Elmore	49 min
Mar 26, 3:15 PM CDT	Tornado Warning	BMX	Calhoun, Etowah	30 min
Mar 26, 3:32 PM CDT	Severe Thunderstorm Warning	BMX	Barbour, Bullock, Lee, Macon, Russell	43 min
Mar 26, 3:36 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Shelby	39 min
Mar 26, 3:38 PM CDT	Tornado Warning	BMX	Calhoun, Cleburne	37 min
Mar 26, 3:40 PM CDT	Severe Thunderstorm Warning	BMX	Chambers	35 min
Mar 26, 3:53 PM CDT	Severe Thunderstorm Warning	BMX	Elmore, Macon, Montgomery, Tallapoosa	45 min
Mar 26, 4:07 PM CDT	Tornado Warning	BMX	Chilton, Shelby	38 min
Mar 26, 4:20 PM CDT	Severe Thunderstorm Warning	BMX	Macon	40 min
Mar 26, 4:39 PM CDT	Tornado Warning	BMX	Coosa, Shelby, Talladega	16 min
Mar 26, 4:51 PM CDT	Severe Thunderstorm Warning	BMX	Barbour, Russell	39 min
Mar 26, 4:54 PM CDT	Severe Thunderstorm Warning	BMX	Bullock, Lee, Macon, Russell	51 min
Mar 26, 5:27 PM CDT	Severe Thunderstorm Warning	BMX	Barbour	33 min
Mar 26, 5:42 PM CDT	Severe Thunderstorm Warning	BMX	Bullock, Macon, Russell	63 min
Mar 26, 5:54 PM CDT	Severe Thunderstorm Warning	BMX	Blount, Etowah	51 min
Mar 26, 6:21 PM CDT	Tornado Warning	BMX	Russell	24 min
Mar 26, 6:23 PM CDT	Tornado Warning	BMX	Etowah	35 min
Mar 26, 6:48 PM CDT	Tornado Warning	BMX	Fayette, Lamar, Marion	25 min
Mar 26, 6:57 PM CDT	Severe Thunderstorm Warning	BMX	Cherokee, Etowah	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; radar from the NEXRAD Level II archive.