Alert archive / Alabama / Tornado Warnings in 2008

Tornado Warning 103, NWS Birmingham, AL

May 8, 2008Blount County, Etowah County, Alabama

NWS Birmingham, AL issued this tornado warning at May 8, 2008, 3:11 PM CDT for Blount County, Etowah County, Alabama. It was in force for 45 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
May 8, 2008, 3:11 PM CDT (20:11 UTC)
Expired
May 8, 2008, 3:56 PM CDT
In force
45 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon

Counties Blount County, AL, Etowah County, AL

The radar

The Northeast Alabama radar (KHTX), 95 km from the middle of the area, began a volume at 20:13 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
May 8, 3:22 PM CDTTSTM WND DMG2 N Altoona, ALMULTIPLE TREES DOWN ON HWY 39.

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.

IssuedProductOfficeLasted
May 8, 12:40 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 8.2 hours before the alert went out and 115 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 2008-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 212 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 2008-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 193 square meters per square second.19395878Sfc1 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
212 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
567 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
193 m²/s²
0-3 km storm-relative helicity
216 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KBMX 082011
TORBMX
ALC009-055-082115-
/O.NEW.KBMX.TO.W.0103.080508T2011Z-080508T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
311 PM CDT THU MAY 8 2008

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL BLOUNT COUNTY IN CENTRAL ALABAMA...
  ETOWAH COUNTY IN NORTHEAST ALABAMA...
  THIS INCLUDES THE CITY OF GADSDEN...

* UNTIL 415 PM CDT

* AT 308 PM CDT...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES WEST OF
  ALTOONA...OR NEAR ONEONTA...MOVING EAST AT 40 MPH.

* THE TORNADO WILL BE NEAR...
  ALTOONA AND WALNUT GROVE BY 320 PM CDT...
  ATTALLA BY 335 PM CDT...
  NOCCALULA FALLS...6 MILES NORTH OF GADSDEN...7 MILES SOUTH OF
  SARDIS CITY AND 7 MILES NORTH OF GADSDEN MALL BY 340 PM CDT...
  REECE CITY BY 345 PM CDT...
  ANDERSON BY 350 PM CDT...
  TABOR ROAD BY 400 PM CDT...

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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

LAT...LON 3422 8585 3413 8584 3413 8579 3405 8575
      3397 8618 3396 8626 3398 8629 3396 8630
      3393 8646 3401 8648 3408 8646 3414 8632
      3413 8628 3421 8616
TIME...MOT...LOC 2011Z 253DEG 37KT 3400 8641

$$

61
2 follow-up statements
000 
WWUS54 KBMX 082034
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
334 PM CDT THU MAY 8 2008

ALC009-082044-
/O.CAN.KBMX.TO.W.0103.000000T0000Z-080508T2115Z/
BLOUNT AL-
334 PM CDT THU MAY 8 2008

...THE TORNADO WARNING FOR EAST CENTRAL BLOUNT COUNTY IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CDT THURSDAY EVENING
FOR ALABAMA.

LAT...LON 3422 8585 3413 8584 3413 8579 3406 8619
      3411 8623 3421 8616 3420 8611 3421 8610
TIME...MOT...LOC 2034Z 247DEG 35KT 3409 8617

$$

ALC055-082115-
/O.CON.KBMX.TO.W.0103.000000T0000Z-080508T2115Z/
ETOWAH AL-
334 PM CDT THU MAY 8 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR NORTHERN
ETOWAH COUNTY...

AT 332 PM CDT...THE NATIONAL WEATHER SERVICE CONTINUED TO INDICATE A
TORNADO.  THIS TORNADO WAS LOCATED NEAR HOWELTON...OR ABOUT 8 MILES
SOUTH OF BOAZ...MOVING NORTHEAST AT 40 MPH.

THE TORNADO WILL BE NEAR...
  ROCKLEDGE...MOUNTAINBORO AND SARDIS CITY BY 340 PM CDT...
  CRUDUP BY 345 PM CDT...
  TABOR ROAD BY 400 PM CDT...

DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A
TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO SAFE
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT AND COVER
YOUR HEAD.

LAT...LON 3422 8585 3413 8584 3413 8579 3406 8619
      3411 8623 3421 8616 3420 8611 3421 8610
TIME...MOT...LOC 2034Z 247DEG 35KT 3409 8617

$$

61
000 
WWUS54 KBMX 082056
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
356 PM CDT THU MAY 8 2008

ALC055-082106-
/O.CAN.KBMX.TO.W.0103.000000T0000Z-080508T2115Z/
ETOWAH AL-
356 PM CDT THU MAY 8 2008

...THE TORNADO WARNING FOR NORTHERN ETOWAH COUNTY IS CANCELLED...

THE THREAT OF SEVERE WEATHER HAS ENDED. THE STORMS THAT PROMPTED THE
WARNING HAVE WEAKENED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CDT THURSDAY EVENING
FOR ALABAMA.

LAT...LON 3422 8585 3413 8584 3413 8579 3406 8619
      3411 8623 3421 8616 3420 8611 3421 8610
TIME...MOT...LOC 2056Z 247DEG 35KT 3416 8593

$$

61

The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 12:52 PM CDTSevere Thunderstorm WarningBMXFayette, Lamar, Marion, Walker, Winston38 min
May 8, 1:05 PM CDTTornado WarningBMXFayette, Marion, Walker, Winston55 min
May 8, 1:13 PM CDTSevere Thunderstorm WarningBMXFayette, Lamar, Pickens, Tuscaloosa47 min
May 8, 1:37 PM CDTSevere Thunderstorm WarningBMXFayette, Walker53 min
May 8, 1:44 PM CDTTornado WarningBMXFayette, Jefferson, Pickens, Tuscaloosa, Walker31 min
May 8, 1:59 PM CDTTornado WarningBMXWalker, Winston16 min
May 8, 2:13 PM CDTTornado WarningBMXFayette, Jefferson, Tuscaloosa, Walker47 min
May 8, 2:17 PM CDTTornado WarningBMXBlount, Jefferson, Walker49 min
May 8, 2:58 PM CDTTornado WarningBMXJefferson, Shelby47 min
May 8, 3:00 PM CDTSevere Thunderstorm WarningBMXJefferson, Shelby, Tuscaloosa60 min
May 8, 3:34 PM CDTAreal Flood AdvisoryBMXJefferson, Shelby3 hr
May 8, 3:37 PM CDTTornado WarningBMXJefferson, St. Clair, Shelby23 min
May 8, 3:59 PM CDTSevere Thunderstorm WarningBMXBibb, Jefferson, Shelby, Tuscaloosa46 min
May 8, 4:11 PM CDTSevere Thunderstorm WarningBMXBibb49 min
May 8, 4:30 PM CDTAreal Flood AdvisoryBMXCoosa, Shelby3 hr
May 8, 4:40 PM CDTAreal Flood AdvisoryBMXTalladega3 hr
May 8, 4:46 PM CDTSevere Thunderstorm WarningBMXClay, Cleburne, Talladega32 min
May 8, 4:51 PM CDTAreal Flood AdvisoryBMXChilton3 hr

Nearby

Tornado Warnings in Alabama, 2008Every tornado warning in 2008Tornadoes 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.