Alert archive / Alabama / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 13, NWS Birmingham, AL

March 31, 20154 counties in Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 31, 2015, 3:30 PM CDT for 4 counties in Alabama. It was in force for 60 min. 5 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 31, 2015, 3:30 PM CDT (20:30 UTC)
Expired: Mar 31, 2015, 4:30 PM CDT
In force: 60 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

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

The radar

The Birmingham radar (KBMX), 93 km from the middle of the area, began a volume at 20:33 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 31, 3:33 PM CDT	HAIL 1	4 Nne Glen Allen, AL	NEAR EXIT 34 ON I-22
Mar 31, 3:42 PM CDT	HAIL 1	3 N Eldridge, AL
Mar 31, 3:51 PM CDT	HAIL 1.75	4 Sse Lynn, AL
Mar 31, 3:53 PM CDT	HAIL 1	Wnw Eldridge, AL	VIA SOCIAL MEDIA WITH PHOTO.
Mar 31, 4:23 PM CDT	HAIL 1	Arley, AL

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 31, 1:22 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 8.5 hours before the alert went out and 92 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: 13 J/kg
Mixed-layer CIN: -343 J/kg
Mixed-layer LCL: 1173 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 173 m²/s²
0-3 km storm-relative helicity: 141 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

038 
WUUS54 KBMX 312030
SVRBMX
ALC057-093-127-133-312130-
/O.NEW.KBMX.SV.W.0013.150331T2030Z-150331T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
330 PM CDT TUE MAR 31 2015

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN MARION COUNTY IN NORTHWESTERN ALABAMA...
  NORTHERN WALKER COUNTY IN CENTRAL ALABAMA...
  SOUTHERN WINSTON COUNTY IN NORTHWESTERN ALABAMA...
  NORTHEASTERN FAYETTE COUNTY IN WEST CENTRAL ALABAMA...

* UNTIL 430 PM CDT

* AT 329 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER ELDRIDGE...
  OR 7 MILES EAST OF WINFIELD...MOVING EAST AT 50 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  JASPER...WINFIELD...SUMITON...CORDOVA...CARBON HILL...LYNN...
  ARLEY...BRILLIANT...GLEN ALLEN...SIPSEY...KANSAS...NAUVOO...
  ELDRIDGE...CAMP MCDOWELL...CURRY...HELICON...ROCKY HOLLOW...SMITH
  LAKE...ASHBANK AND POPLAR SPRINGS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
BIRMINGHAM.

&&

LAT...LON 3417 8711 3399 8711 3399 8715 3391 8708
      3390 8710 3389 8709 3389 8702 3387 8701
      3386 8697 3384 8695 3380 8695 3377 8702
      3381 8775 3401 8778 3408 8763
TIME...MOT...LOC 2029Z 261DEG 42KT 3391 8767 

HAIL...1.00IN
WIND...60MPH
 
$$

16

3 follow-up statements

742 
WWUS54 KBMX 312047
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
347 PM CDT TUE MAR 31 2015

ALC057-093-312056-
/O.CAN.KBMX.SV.W.0013.000000T0000Z-150331T2130Z/
MARION AL-FAYETTE AL-
347 PM CDT TUE MAR 31 2015

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MARION AND
NORTHEASTERN FAYETTE COUNTIES IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF 
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM CDT FOR
NORTHWESTERN ALABAMA.

LAT...LON 3417 8711 3399 8711 3399 8715 3391 8708
      3390 8710 3389 8709 3389 8702 3387 8701
      3386 8697 3384 8695 3380 8695 3377 8702
      3385 8748 3387 8754 3388 8763 3406 8764
TIME...MOT...LOC 2046Z 258DEG 40KT 3396 8750 

$$

ALC127-133-312130-
/O.CON.KBMX.SV.W.0013.000000T0000Z-150331T2130Z/
WALKER AL-WINSTON AL-
347 PM CDT TUE MAR 31 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR NORTHERN WALKER AND SOUTHERN WINSTON COUNTIES...

AT 346 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER NAUVOO...OR
NEAR CARBON HILL...MOVING EAST AT 45 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
JASPER...SUMITON...CARBON HILL...LYNN...ARLEY...SIPSEY...KANSAS...
NAUVOO...ELDRIDGE...CAMP MCDOWELL...CURRY...HELICON...ROCKY HOLLOW...
SMITH LAKE...ASHBANK...POPLAR SPRINGS...FALLS CITY...CORINTH REC
AREA...LYNNS PARK AND BLACK POND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
BIRMINGHAM.

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 3417 8711 3399 8711 3399 8715 3391 8708
      3390 8710 3389 8709 3389 8702 3387 8701
      3386 8697 3384 8695 3380 8695 3377 8702
      3385 8748 3387 8754 3388 8763 3406 8764
TIME...MOT...LOC 2046Z 258DEG 40KT 3396 8750 

HAIL...1.00IN
WIND...60MPH
 
$$

16

917 
WWUS54 KBMX 312105
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
405 PM CDT TUE MAR 31 2015

ALC127-133-312130-
/O.CON.KBMX.SV.W.0013.000000T0000Z-150331T2130Z/
WALKER AL-WINSTON AL-
405 PM CDT TUE MAR 31 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR NORTHERN WALKER AND SOUTHERN WINSTON COUNTIES...

AT 404 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER CURRY...OR
NEAR ARLEY...MOVING EAST AT 50 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
JASPER...CARBON HILL...ARLEY...SIPSEY...NAUVOO...FALLS CITY...CAMP
MCDOWELL...CURRY...CORINTH REC AREA...HELICON...SMITH LAKE...
ASHBANK...POPLAR SPRINGS...LYNNS PARK...RACCOON BRANCH...BLACK
POND...GAMBLE...HULLETT BRANCH...BEAR BRANCH AND CLEAR CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
BIRMINGHAM.

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 3417 8711 3399 8711 3399 8715 3391 8708
      3390 8710 3389 8709 3389 8702 3387 8701
      3382 8700 3379 8705 3382 8727 3386 8742
      3390 8753 3408 8752
TIME...MOT...LOC 2104Z 261DEG 42KT 3399 8724 

HAIL...1.00IN
WIND...60MPH
 
$$

16

705 
WWUS54 KBMX 312118
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
418 PM CDT TUE MAR 31 2015

ALC127-133-312130-
/O.CON.KBMX.SV.W.0013.000000T0000Z-150331T2130Z/
WALKER AL-WINSTON AL-
418 PM CDT TUE MAR 31 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR NORTHEASTERN WALKER AND SOUTHEASTERN WINSTON COUNTIES...

AT 417 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR SMITH DAM...OR
10 MILES SOUTHEAST OF ARLEY...MOVING EAST AT 50 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
JASPER...ARLEY...FALLS CITY...CURRY...CORINTH REC AREA...HELICON...
SMITH LAKE...RACCOON BRANCH...HULLETT BRANCH...BEAR BRANCH...BATTLE
BRANCH...MAPLE BRANCH...LITTLE DISMAL CREEK...DEVILS BRANCH...HIDDEN
COVE CAMPGROUND...MILL BRANCH...ROCKHOUSE CREEK...YELLOW CREEK...BIG
BEAR BRANCH AND DUNCAN BRIDGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
BIRMINGHAM.

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 3417 8711 3399 8711 3399 8715 3391 8708
      3390 8710 3389 8709 3389 8702 3385 8701
      3383 8700 3385 8716 3386 8726 3389 8737
      3412 8734
TIME...MOT...LOC 2117Z 261DEG 42KT 3401 8705 

HAIL...1.00IN
WIND...60MPH
 
$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 31, 6:25 AM CDT	Dense Fog Advisory	BMX	Barbour, Bullock, Macon, Pike, Russell	3 hr
Mar 31, 1:30 PM CDT	Special Weather Statement	BMX	Walker	30 min
Mar 31, 1:51 PM CDT	Special Weather Statement	BMX	Blount	39 min
Mar 31, 2:30 PM CDT	Severe Thunderstorm Warning	BMX	Blount	45 min
Mar 31, 2:56 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Lamar, Marion	34 min
Mar 31, 3:06 PM CDT	Severe Thunderstorm Warning	BMX	Etowah	39 min
Mar 31, 3:57 PM CDT	Severe Thunderstorm Warning	BMX	Blount	33 min
Mar 31, 4:08 PM CDT	Severe Thunderstorm Warning	BMX	Talladega	37 min
Mar 31, 4:13 PM CDT	Severe Thunderstorm Warning	BMX	Etowah, St. Clair	32 min
Mar 31, 4:25 PM CDT	Severe Thunderstorm Warning	BMX	Clay, Talladega	50 min
Mar 31, 4:26 PM CDT	Severe Thunderstorm Warning	BMX	Lamar, Pickens	49 min
Mar 31, 4:29 PM CDT	Severe Thunderstorm Warning	BMX	Winston	16 min
Mar 31, 4:29 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun	31 min
Mar 31, 4:36 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Cleburne, Talladega	24 min
Mar 31, 4:41 PM CDT	Severe Thunderstorm Warning	BMX	Cleburne	34 min
Mar 31, 4:51 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Lamar, Pickens, Tuscaloosa	54 min
Mar 31, 4:53 PM CDT	Severe Thunderstorm Warning	BMX	Etowah	22 min
Mar 31, 5:00 PM CDT	Severe Thunderstorm Warning	BMX	Cleburne	45 min
Mar 31, 5:10 PM CDT	Severe Thunderstorm Warning	BMX	Randolph	50 min
Mar 31, 5:17 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun	28 min
Mar 31, 5:19 PM CDT	Severe Thunderstorm Warning	BMX	Blount	26 min
Mar 31, 5:26 PM CDT	Severe Thunderstorm Warning	BMX	Randolph	34 min
Mar 31, 5:26 PM CDT	Severe Thunderstorm Warning	BMX	Pickens, Tuscaloosa	49 min
Mar 31, 5:34 PM CDT	Severe Thunderstorm Warning	BMX	Etowah	56 min
Mar 31, 5:42 PM CDT	Severe Thunderstorm Warning	BMX	Fayette	33 min
Mar 31, 5:55 PM CDT	Severe Thunderstorm Warning	BMX	Blount	35 min
Mar 31, 6:07 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Walker	38 min
Mar 31, 6:08 PM CDT	Severe Thunderstorm Warning	BMX	Greene, Hale, Tuscaloosa	52 min
Mar 31, 6:30 PM CDT	Special Weather Statement	BMX	Clay	30 min
Mar 31, 6:32 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Chilton, Shelby	58 min
Mar 31, 6:42 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Shelby	48 min
Mar 31, 6:44 PM CDT	Severe Thunderstorm Warning	BMX	Walker	36 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2015 Every severe thunderstorm warning in 2015

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.