Alert archive / Alabama / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 310, NWS Birmingham, AL

June 12, 2008Jefferson County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jun 12, 2008, 4:58 PM CDT for Jefferson County, Alabama. It was in force for 47 min. 2 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
Jun 12, 2008, 4:58 PM CDT (21:58 UTC)
Expired
Jun 12, 2008, 5:45 PM CDT
In force
47 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon

County Jefferson County, AL

The radar

The Birmingham radar (KBMX), 43 km from the middle of the area, began a volume at 22:01 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

TimeReportWhereRemark
Jun 12, 5:05 PM CDTHAIL 1Mountain Brook, ALQUARTER SIZE HAIL WAS REPORTED NEAR THE BIRMINGHAM WATER WORKS.
Jun 12, 5:11 PM CDTHAIL 1Mountain Brook, ALQUARTER SIZE HAIL WAS REPORTED NEAR THE BIRMINGHAM WATER WORKS.

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, 10.0 hours before the alert went out and 42 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 2008-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1105 joules per kilogram.LCLLFCEL10008507005003002001001 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 2008-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -35 square meters per square second.1939Sfc1 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
1105 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
764 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-35 m²/s²
0-3 km storm-relative helicity
-35 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.

000 
WUUS54 KBMX 122158
SVRBMX
ALC073-122245-
/O.NEW.KBMX.SV.W.0310.080612T2158Z-080612T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
458 PM CDT THU JUN 12 2008

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL JEFFERSON COUNTY IN CENTRAL ALABAMA...
  THIS INCLUDES THE CITIES OF...VESTAVIA HILLS...MOUNTAIN BROOK...
  HUEYTOWN...HOOVER...HOMEWOOD...FAIRFIELD...BIRMINGHAM...

* UNTIL 545 PM CDT

* AT 456 PM CDT...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND DAMAGING
  WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR VESTAVIA
  HILLS...AND MOVING NORTHWEST AT 17 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  HOMEWOOD BY 505 PM CDT...
  U.A.B. CAMPUS BY 510 PM CDT...
  LEGION FIELD AND LIPSCOMB BY 515 PM CDT...
  FAIRFIELD...BIRMINGHAM FAIRGOUNDS...MIDFIELD AND BON AIR BY 520 PM
  CDT...
  ENSLEY AND VILLAGE CREEK AVENUE W BY 525 PM CDT...

WINDS OF 60 TO 70 MPH WILL BREAK LARGE TREE LIMBS AND CAUSE SOME
DAMAGE...ESPECIALLY TO SMALLER STRUCTURES.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...HAIL...AND DEADLY CLOUD TO GROUND
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

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

LAT...LON 3354 8717 3374 8693 3347 8670 3334 8686
TIME...MOT...LOC 2158Z 131DEG 15KT 3342 8681

$$

KSL
3 follow-up statements
000 
WWUS54 KBMX 122209
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
509 PM CDT THU JUN 12 2008

ALC073-122245-
/O.CON.KBMX.SV.W.0310.000000T0000Z-080612T2245Z/
JEFFERSON AL-
509 PM CDT THU JUN 12 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR CENTRAL JEFFERSON COUNTY...

AT 505 PM CDT...THE NATIONAL WEATHER SERVICE CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
HOMEWOOD...MOVING NORTHWEST AT 17 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  U.A.B. CAMPUS...BIRMINGHAM AND KINGSTON BY 515 PM CDT...
  LEGION FIELD BY 520 PM CDT...
  ENSLEY...BIRMINGHAM FAIRGOUNDS...FAIRFIELD AND MIDFIELD BY 525 PM
  CDT...
  VILLAGE CREEK AVENUE W BY 530 PM CDT...
  DOCENA BY 540 PM CDT...

LAT...LON 3374 8693 3347 8671 3338 8684 3354 8716
      3355 8716
TIME...MOT...LOC 2209Z 131DEG 15KT 3346 8682

$$

KSL
000 
WWUS54 KBMX 122223
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
523 PM CDT THU JUN 12 2008

ALC073-122245-
/O.CON.KBMX.SV.W.0310.000000T0000Z-080612T2245Z/
JEFFERSON AL-
523 PM CDT THU JUN 12 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR CENTRAL JEFFERSON COUNTY...

AT 522 PM CDT...THE NATIONAL WEATHER SERVICE CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
LEGION FIELD...OR ABOUT NEAR BIRMINGHAM...MOVING NORTHWEST AT 17 MPH.

ANOTHER POSSIBLE SEVERE THUNDERSTORM WAS NEAR THE TOWN OF WEST 
JEFFERSON.  

THE SEVERE THUNDERSTORM WILL BE NEAR...
  VILLAGE CREEK AVENUE W BY 530 PM CDT...
  MINOR BY 535 PM CDT...
  DOCENA BY 540 PM CDT...
  FORESTDALE...BROOKSIDE...ADAMSVILLE AND WATSON BY 545 PM CDT...

LAT...LON 3374 8693 3349 8677 3346 8685 3357 8712
      3357 8713
TIME...MOT...LOC 2223Z 151DEG 14KT 3351 8685

$$

KSL
000 
WWUS54 KBMX 122231
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
531 PM CDT THU JUN 12 2008

ALC073-122245-
/O.CON.KBMX.SV.W.0310.000000T0000Z-080612T2245Z/
JEFFERSON AL-
531 PM CDT THU JUN 12 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR CENTRAL JEFFERSON COUNTY...

AT 526 PM CDT...THE NATIONAL WEATHER SERVICE CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
GRAYSVILLE...OR ABOUT 9 MILES WEST OF FULTONDALE...MOVING NORTHWEST
AT 25 MPH.

LAT...LON 3374 8693 3361 8689 3357 8696 3357 8712
      3357 8713
TIME...MOT...LOC 2231Z 151DEG 22KT 3364 8698

$$

KSL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 7:43 PM CDTSevere Thunderstorm WarningBMXCherokee32 min
Jun 12, 2:15 PM CDTSevere Thunderstorm WarningBMXBibb, Perry20 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2008Every severe thunderstorm warning in 2008

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.