Alert archive / Alabama / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 13, NWS Birmingham, AL

April 4, 2014Fayette County, Walker County, Winston County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 4, 2014, 4:53 AM CDT for Fayette County, Walker County, Winston County, Alabama. It was in force for 67 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: Apr 4, 2014, 4:53 AM CDT (09:53 UTC)
Expired: Apr 4, 2014, 6:00 AM CDT
In force: 67 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

Counties Fayette County, AL, Walker County, AL, Winston County, AL

The radar

The Birmingham radar (KBMX), 88 km from the middle of the area, began a volume at 09:55 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
Apr 4, 5:00 AM CDT	TSTM WND DMG	3 S Winfield, AL	TREES DOWN ALONG COUNTY ROAD 49.

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
Apr 4, 2:52 AM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 9.9 hours before the alert went out and 87 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2046 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 86 m²/s²
0-3 km storm-relative helicity: 243 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.

397 
WUUS54 KBMX 040953
SVRBMX
ALC057-127-133-041100-
/O.NEW.KBMX.SV.W.0013.140404T0953Z-140404T1100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
453 AM CDT FRI APR 4 2014

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FAYETTE COUNTY IN WEST CENTRAL ALABAMA...
  WALKER COUNTY IN ALABAMA...
  WINSTON COUNTY IN NORTHWEST ALABAMA...

* UNTIL 600 AM CDT

* AT 450 AM CDT...THE NATIONAL WEATHER SERVICE INDICATED A LINE OF
  SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN
  EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM 8 MILES NORTH OF NEEDMORE TO 5 MILES NORTHEAST OF BRINN TO
  GU-WIN TO 8 MILES NORTHWEST OF MILLPORT...AND MOVING EAST AT 60
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  HALEYVILLE...LYNN...FAYETTE...CARBON HILL...ARLEY...JASPER...
  CORDOVA AND DORA.

THIS INCLUDES...
US 78 EXIT NUMBERS 39 THROUGH 78...

WINDS OF 70 TO 80 MPH WILL UPROOT TREES...DOWN POWER LINES AND CAUSE
DAMAGE TO HOMES AND STRUCTURES.

THIS IS A DANGEROUS STORM. IF YOUR ARE IN ITS PATH...PREPARE
IMMEDAITELY FOR DAMAGING WINDS AND DEADLY CLOUD TO GROUND LIGHTNING.

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.

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

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 AM CDT FRIDAY MORNING
FOR NORTHWESTERN ALABAMA.

TO REPORT SEVERE WEATHER...
CALL 1-800-856-0758 OR TWEET YOUR REPORT USING HASHTAG ALWX

LAT...LON 3430 8711 3399 8710 3397 8713 3390 8708
      3390 8701 3384 8696 3379 8697 3377 8703
      3366 8706 3362 8717 3352 8725 3352 8732
      3359 8732 3361 8763 3352 8767 3353 8794
      3392 8793 3392 8764 3431 8764
TIME...MOT...LOC 0953Z 265DEG 54KT 3437 8756 3422 8767
          3395 8780 3363 8814

$$

05/MA

3 follow-up statements

410 
WWUS54 KBMX 041016
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
516 AM CDT FRI APR 4 2014

ALC057-127-133-041100-
/O.CON.KBMX.SV.W.0013.000000T0000Z-140404T1100Z/
FAYETTE AL-WALKER AL-WINSTON AL-
516 AM CDT FRI APR 4 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WINSTON...
WALKER AND FAYETTE COUNTIES UNTIL 600 AM CDT...

AT 514 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM BRUSHY LAKE TO DOUBLE SPRINGS TO CARBON HILL TO
ASHCRAFT CORNER...MOVING EAST AT 60 MPH.

LOCATIONS IMPACTED INCLUDE...
  ARLEY...JASPER...CORDOVA...DORA...SUMITON...POPLAR SPRINGS...
  CORINTH REC AREA...BANKSTON...MCDOWELL CAMP GROUNDS AND INMANFIELD.

THIS INCLUDES...
US 78 EXIT NUMBERS 39 THROUGH 78...

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 3430 8711 3399 8710 3397 8713 3390 8708
      3390 8701 3384 8696 3379 8697 3377 8703
      3366 8706 3362 8717 3352 8725 3352 8732
      3359 8732 3361 8763 3352 8767 3353 8794
      3392 8793 3392 8764 3431 8764
TIME...MOT...LOC 1016Z 265DEG 54KT 3430 8726 3415 8738
          3389 8751 3357 8785

$$

05/MA

775 
WWUS54 KBMX 041029
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
529 AM CDT FRI APR 4 2014

ALC057-127-133-041100-
/O.CON.KBMX.SV.W.0013.000000T0000Z-140404T1100Z/
FAYETTE AL-WALKER AL-WINSTON AL-
529 AM CDT FRI APR 4 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
WINSTON...WALKER AND FAYETTE COUNTIES UNTIL 600 AM CDT...

AT 528 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM SARDIS TO ARLEY TO 7 MILES NORTH OF OAKMAN TO 7 MILES
SOUTH OF BANKSTON...MOVING EAST AT 60 MPH.

LOCATIONS IMPACTED INCLUDE...
  JASPER...CORDOVA...DORA...SUMITON...NESMITH...HELICON...LAKE
  SHORE...CURRY...BOLEY SPRINGS AND OAKMAN.

THIS INCLUDES...
US 78 EXIT NUMBERS 46 THROUGH 78...

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 3430 8711 3399 8710 3397 8713 3390 8708
      3390 8701 3384 8696 3379 8697 3377 8703
      3366 8706 3362 8717 3352 8725 3352 8732
      3359 8732 3360 8738 3361 8763 3352 8767
      3353 8794 3380 8775 3394 8750 3430 8731
TIME...MOT...LOC 1029Z 265DEG 54KT 3427 8708 3411 8720
          3381 8740 3358 8769

$$

05/MA

762 
WWUS54 KBMX 041039
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
539 AM CDT FRI APR 4 2014

ALC057-127-133-041100-
/O.CON.KBMX.SV.W.0013.000000T0000Z-140404T1100Z/
FAYETTE AL-WALKER AL-WINSTON AL-
539 AM CDT FRI APR 4 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
WINSTON...WALKER AND SOUTHEASTERN FAYETTE COUNTIES UNTIL 600 AM
CDT...

AT 537 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM WEST POINT TO 5 MILES EAST OF HELICON TO JASPER TO 8
MILES SOUTHWEST OF BOLEY SPRINGS...MOVING EAST AT 60 MPH.

LOCATIONS IMPACTED INCLUDE...
  CORDOVA...DORA...SUMITON...PARRISH...LYNNS PARK...SIPSEY...
  BELOIT...ROCKY HOLLOW...GORGAS AND GORGAS STEAM PLANT.

THIS INCLUDES...
US 78 EXIT NUMBERS 57 THROUGH 78...

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 3430 8711 3399 8710 3397 8713 3390 8708
      3389 8701 3384 8696 3379 8697 3377 8703
      3366 8706 3362 8717 3352 8725 3352 8732
      3359 8732 3360 8738 3361 8763 3358 8767
      3352 8767 3352 8779 3396 8731 3430 8726
TIME...MOT...LOC 1039Z 265DEG 54KT 3428 8690 3412 8702
          3382 8722 3355 8754

$$

05/MA

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 4, 4:17 AM CDT	Severe Thunderstorm Warning	BMX	Lamar, Marion	58 min
Apr 4, 5:09 AM CDT	Special Weather Statement	BMX	Pickens	66 min
Apr 4, 5:22 AM CDT	Special Weather Statement	BMX	Tuscaloosa	53 min
Apr 4, 5:47 AM CDT	Special Weather Statement	BMX	Blount, Jefferson	58 min
Apr 4, 6:24 AM CDT	Special Weather Statement	BMX	Etowah, St. Clair	51 min
Apr 4, 6:26 AM CDT	Special Weather Statement	BMX	Shelby	64 min
Apr 4, 6:51 AM CDT	Special Weather Statement	BMX	Calhoun, Cherokee	54 min
Apr 4, 6:52 AM CDT	Special Weather Statement	BMX	Talladega	53 min
Apr 4, 7:12 AM CDT	Special Weather Statement	BMX	Clay, Cleburne	63 min
Apr 4, 7:18 AM CDT	Special Weather Statement	BMX	Chilton, Coosa	57 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2014 Every severe thunderstorm warning in 2014

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.