Alert archive / Alabama / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 2, NWS Birmingham, AL

February 15, 2016Bibb County, Dallas County, Perry County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Feb 15, 2016, 4:27 PM CST for Bibb County, Dallas County, Perry County, Alabama. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Feb 15, 2016, 4:27 PM CST (22:27 UTC)
Expired
Feb 15, 2016, 5:10 PM CST
In force
43 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Bibb County, AL, Dallas County, AL, Perry County, AL

The radar

The Birmingham radar (KBMX), 81 km from the middle of the area, began a volume at 22:29 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Feb 15, 12:02 PM CSTTornado WatchSPC9 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 10.5 hours before the alert went out and 82 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-pSkew-T log-p diagram, Birmingham, AL at 12:00Z on 2016-02-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2016-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 485 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1152 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
485 m²/s²
0-3 km storm-relative helicity
523 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

609 
WUUS54 KBMX 152227
SVRBMX
ALC007-047-105-152330-
/O.NEW.KBMX.SV.W.0002.160215T2227Z-160215T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
427 PM CST MON FEB 15 2016

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  PERRY COUNTY IN CENTRAL ALABAMA...
  BIBB COUNTY IN CENTRAL ALABAMA...
  DALLAS COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 530 PM CST

* AT 427 PM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 8 MILES NORTHEAST OF GREENSBORO TO NEAR SHAWNEE...
  MOVING EAST AT 50 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  SELMA...BRENT...VALLEY GRANDE...MARION...CENTREVILLE...UNIONTOWN...
  SELMONT-WEST SELMONT...ORRVILLE...NEWBERN...BOGUE CHITTO...
  BRIERFIELD IRONWORKS PARK...MEMORIAL STADIUM...TALLADEGA NATIONAL
  FOREST...ASHBY...VAIDEN...PAUL M GRIST STATE PARK...DALLAS COUNTY
  HORSE ARENA...MERTZ...DALLAS LAKE AND HEIBERGER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST FOR SOUTHWESTERN
ALABAMA.

LAT...LON 3220 8732 3231 8747 3231 8752 3265 8753
      3266 8747 3282 8747 3283 8742 3298 8742
      3306 8690 3284 8688 3284 8702 3266 8702
      3266 8692 3254 8691 3236 8681 3227 8686
      3223 8681 3222 8691 3205 8691 3205 8718
TIME...MOT...LOC 2227Z 266DEG 44KT 3280 8751 3198 8776 

HAIL...<.75IN
WIND...60MPH
 
$$

87/GRANTHAM
3 follow-up statements
810 
WWUS54 KBMX 152245
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
445 PM CST MON FEB 15 2016

ALC007-047-105-152330-
/O.CON.KBMX.SV.W.0002.000000T0000Z-160215T2330Z/
PERRY AL-BIBB AL-DALLAS AL-
445 PM CST MON FEB 15 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CST
FOR PERRY...SOUTHEASTERN BIBB AND DALLAS COUNTIES...

AT 445 PM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR CENTREVILLE TO 7 MILES EAST OF CATHERINE...MOVING
EAST AT 55 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
SELMA...BRENT...VALLEY GRANDE...MARION...CENTREVILLE...SELMONT-WEST
SELMONT...ORRVILLE...BOGUE CHITTO...BRIERFIELD IRONWORKS PARK...
MEMORIAL STADIUM...TALLADEGA NATIONAL FOREST...ASHBY...VAIDEN...PAUL
M GRIST STATE PARK...DALLAS COUNTY HORSE ARENA...DALLAS LAKE...
HEIBERGER...OLD CAHABA PARK...DANNELLY RESERVOIR AND GARDNER ISLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST FOR SOUTHERN
ALABAMA.

LAT...LON 3220 8732 3231 8747 3301 8723 3306 8690
      3284 8688 3284 8702 3266 8702 3266 8692
      3254 8691 3236 8681 3227 8686 3223 8681
      3222 8691 3205 8691 3205 8718
TIME...MOT...LOC 2245Z 253DEG 49KT 3302 8709 3220 8735 

HAIL...<.75IN
WIND...60MPH
 
$$

87/GRANTHAM
467 
WWUS54 KBMX 152302
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
502 PM CST MON FEB 15 2016

ALC007-047-105-152330-
/O.CON.KBMX.SV.W.0002.000000T0000Z-160215T2330Z/
PERRY AL-BIBB AL-DALLAS AL-
502 PM CST MON FEB 15 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CST
FOR NORTHEASTERN PERRY...SOUTHEASTERN BIBB AND DALLAS COUNTIES...

AT 502 PM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR CENTREVILLE TO 8 MILES SOUTHWEST OF BELKNAP...
MOVING EAST AT 45 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
SELMA...VALLEY GRANDE...CENTREVILLE...SELMONT-WEST SELMONT...
BRIERFIELD IRONWORKS PARK...MEMORIAL STADIUM...BURNSVILLE...TALLADEGA
NATIONAL FOREST...ASHBY...PAUL M GRIST STATE PARK...DALLAS COUNTY
HORSE ARENA...DALLAS LAKE...OLD CAHABA PARK...GARDNER ISLAND...
BELKNAP...LAWLEY...TYLER...POTTER STATION...DANNELLY RESERVOIR AND
RANDOLPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST FOR SOUTHERN
ALABAMA.

LAT...LON 3284 8688 3284 8702 3266 8702 3266 8692
      3254 8691 3236 8681 3227 8686 3223 8681
      3222 8691 3205 8691 3205 8718 3303 8709
      3306 8690
TIME...MOT...LOC 2302Z 280DEG 38KT 3300 8704 3210 8708 

HAIL...<.75IN
WIND...60MPH
 
$$

87/GRANTHAM
526 
WWUS54 KBMX 152310
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
510 PM CST MON FEB 15 2016

ALC007-047-105-152320-
/O.CAN.KBMX.SV.W.0002.000000T0000Z-160215T2330Z/
PERRY AL-BIBB AL-DALLAS AL-
510 PM CST MON FEB 15 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN PERRY...
SOUTHEASTERN BIBB AND DALLAS COUNTIES IS CANCELLED...
            
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST FOR SOUTHERN
ALABAMA.

LAT...LON 3284 8688 3284 8702 3266 8702 3266 8692
      3254 8691 3236 8681 3227 8686 3223 8681
      3222 8691 3205 8691 3205 8718 3303 8709
      3306 8690
TIME...MOT...LOC 2307Z 266DEG 44KT 3300 8696 3210 8700 

$$

87/GRANTHAM

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 15, 12:55 PM CSTSpecial Weather StatementBMXGreene35 min
Feb 15, 3:19 PM CSTSpecial Weather StatementBMXMontgomery56 min
Feb 15, 3:48 PM CSTSevere Thunderstorm WarningBMXGreene, Hale, Marengo, Sumter57 min
Feb 15, 4:05 PM CSTTornado WarningBMXElmore, Macon, Montgomery25 min
Feb 15, 4:50 PM CSTAreal Flood AdvisoryBMXWalker3 hr
Feb 15, 4:57 PM CSTSevere Thunderstorm WarningBMXMontgomery48 min
Feb 15, 5:50 PM CSTSevere Thunderstorm WarningBMXBullock, Macon, Montgomery, Pike55 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2016Every severe thunderstorm warning in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.