Alert archive / Alabama / Tornado Warnings in 2012

Tornado Warning 18, NWS Huntsville, AL

March 2, 2012Lawrence County, Alabama

NWS Huntsville, AL issued this tornado warning at Mar 2, 2012, 3:27 PM CST for Lawrence County, Alabama. It was in force for 33 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
Mar 2, 2012, 3:27 PM CST (21:27 UTC)
Expired
Mar 2, 2012, 4:00 PM CST
In force
33 min
Issued by
NWS Huntsville, AL
Area
Storm-based polygon

County Lawrence County, AL

The radar

The Northeast Alabama radar (KHTX), 120 km from the middle of the area, began a volume at 21:30 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
Mar 2, 3:31 PM CSTFUNNEL CLOUD2 Se North Courtland, ALWALL CLOUD REPORTED.

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
Mar 2, 1:20 PM CSTTornado WatchSPC9 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 9.5 hours before the alert went out and 171 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 2012-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 544 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 2012-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 180 square meters per square second.1939587897117Sfc1 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
544 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
530 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
180 m²/s²
0-3 km storm-relative helicity
204 m²/s²
Significant tornado parameter
0.6
Supercell composite
2.5

Open this sounding in Storm Lab

The text

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

896 
WFUS54 KHUN 022127
TORHUN
ALC079-022200-
/O.NEW.KHUN.TO.W.0018.120302T2127Z-120302T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
327 PM CST FRI MAR 2 2012

THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN LAWRENCE COUNTY IN NORTHWEST ALABAMA...

* UNTIL 400 PM CST

* AT 321 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR NE SMITH...
  OR ABOUT 11 MILES NORTHWEST OF MOULTON...MOVING EAST AT 35 MPH.    
  THIS IS A DANGEROUS SITUATION!

* LOCATIONS NEAR THE PATH OF THIS TORNADO INCLUDE...
  COURTLAND.
  WHEELER.
  HILLSBORO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3461 8751 3463 8748 3465 8748 3465 8744
      3469 8745 3475 8719 3472 8713 3469 8711
      3458 8711 3449 8746
TIME...MOT...LOC 2126Z 249DEG 28KT 3461 8739

$$
2 follow-up statements
584 
WWUS54 KHUN 022134
SVSHUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
334 PM CST FRI MAR 2 2012

ALC079-022200-
/O.CON.KHUN.TO.W.0018.000000T0000Z-120302T2200Z/
LAWRENCE AL-
334 PM CST FRI MAR 2 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CST FOR NORTHERN
LAWRENCE COUNTY...

AT 330 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR COURTLAND...OR 
ABOUT 11 MILES NORTH OF MOULTON...MOVING EAST AT 50 MPH. A TRAINED 
SPOTTER REPORTER A FUNNEL CLOUD NEAR COURTLAND AT 330 PM.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WHEELER
AND HILLSBORO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.


&&

LAT...LON 3472 8713 3469 8711 3462 8712 3456 8734
      3464 8738 3465 8744 3466 8744 3466 8738
      3470 8740 3475 8719
TIME...MOT...LOC 2134Z 251DEG 42KT 3465 8727

$$
015 
WWUS54 KHUN 022151
SVSHUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
351 PM CST FRI MAR 2 2012

ALC079-022201-
/O.EXP.KHUN.TO.W.0018.000000T0000Z-120302T2200Z/
LAWRENCE AL-
351 PM CST FRI MAR 2 2012

...THE TORNADO WARNING FOR NORTHERN LAWRENCE COUNTY EXPIRES AT 400 PM
CST...

WEATHER SERVICE DOPPLER RADAR INDICATES THE TORNADIC THUNDERSTORM
THAT PROMPTED THE WARNING HAS MOVED OUT OF THE COUNTY. THEREFORE THE
TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 3472 8713 3469 8711 3462 8712 3456 8734
      3464 8738 3465 8744 3466 8744 3466 8738
      3470 8740 3475 8719
TIME...MOT...LOC 2151Z 251DEG 42KT 3471 8704

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 2, 4:44 AM CSTWind AdvisoryHUNColbert, Cullman, DeKalb, Franklin, Jackson, Lauderdale and 5 more11 hr
Mar 2, 7:21 AM CSTSpecial Weather StatementHUNLawrence39 min
Mar 2, 8:09 AM CSTSpecial Weather StatementHUNLawrence, Limestone51 min
Mar 2, 8:51 AM CSTSevere Thunderstorm WarningHUNLauderdale, Lawrence, Limestone, Madison24 min
Mar 2, 9:12 AM CSTSevere Thunderstorm WarningHUNLimestone, Madison33 min
Mar 2, 9:15 AM CSTSpecial Weather StatementHUNLawrence30 min
Mar 2, 9:18 AM CSTTornado WarningHUNLimestone, Madison27 min
Mar 2, 9:35 AM CSTTornado WarningHUNLimestone, Madison25 min
Mar 2, 9:41 AM CSTTornado WarningHUNJackson, Madison34 min
Mar 2, 9:59 AM CSTTornado Warning EmergencyHUNJackson, Madison31 min
Mar 2, 10:10 AM CSTTornado WarningHUNJackson35 min
Mar 2, 10:24 AM CSTTornado WarningHUNJackson, Madison36 min
Mar 2, 1:01 PM CSTSpecial Weather StatementHUNLawrence, Limestone44 min
Mar 2, 1:26 PM CSTSpecial Weather StatementHUNFranklin34 min
Mar 2, 1:30 PM CSTSevere Thunderstorm WarningHUNLauderdale, Lawrence, Limestone30 min
Mar 2, 1:31 PM CSTSevere Thunderstorm WarningHUNFranklin, Lawrence29 min
Mar 2, 1:55 PM CSTSevere Thunderstorm WarningHUNLimestone, Madison50 min
Mar 2, 2:00 PM CSTTornado WarningHUNLimestone30 min
Mar 2, 2:06 PM CSTSevere Thunderstorm WarningHUNColbert, Lauderdale24 min
Mar 2, 2:29 PM CSTSevere Thunderstorm WarningHUNColbert, Lauderdale31 min
Mar 2, 2:41 PM CSTTornado WarningHUNColbert, Lauderdale, Lawrence34 min
Mar 2, 3:07 PM CSTTornado WarningHUNLimestone23 min
Mar 2, 3:16 PM CSTSevere Thunderstorm WarningHUNColbert, Lawrence29 min
Mar 2, 3:26 PM CSTTornado WarningHUNLimestone, Madison34 min
Mar 2, 3:44 PM CSTSevere Thunderstorm WarningHUNLimestone31 min
Mar 2, 3:58 PM CSTTornado WarningHUNJackson, Madison14 min
Mar 2, 4:00 PM CSTSevere Thunderstorm WarningHUNLawrence, Morgan30 min
Mar 2, 4:10 PM CSTSevere Thunderstorm WarningHUNJackson, Madison50 min
Mar 2, 4:15 PM CSTSevere Thunderstorm WarningHUNCullman, Morgan30 min
Mar 2, 4:21 PM CSTSevere Thunderstorm WarningHUNMadison24 min
Mar 2, 4:33 PM CSTTornado WarningHUNCullman, Morgan27 min
Mar 2, 4:51 PM CSTSevere Thunderstorm WarningHUNJackson, Madison24 min
Mar 2, 4:55 PM CSTTornado WarningHUNMorgan15 min
Mar 2, 5:14 PM CSTSevere Thunderstorm WarningHUNJackson46 min
Mar 2, 5:49 PM CSTSevere Thunderstorm WarningHUNCullman26 min
Mar 2, 5:57 PM CSTSevere Thunderstorm WarningHUNJackson18 min

Nearby

Tornado Warnings in Alabama, 2012Every tornado warning in 2012Tornadoes in 2012

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.