Alert archive / Alabama / Tornado Warnings in 2012
Tornado Warning 31, NWS Huntsville, AL
NWS Huntsville, AL issued this tornado warning at Sep 2, 2012, 5:24 PM CDT for Limestone County, Madison County, Alabama. It was in force for 36 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
- Sep 2, 2012, 5:24 PM CDT (22:24 UTC)
- Expired
- Sep 2, 2012, 6:00 PM CDT
- In force
- 36 min
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
Counties Limestone County, AL, Madison County, AL
The radar
The Northeast Alabama radar (KHTX), 54 km from the middle of the area, began a volume at 22:27 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 |
|---|---|---|---|
| Sep 2, 5:36 PM CDT | TSTM WND DMG | 4 Sse Huntsville, AL | LIGHTNING STRUCK A HOUSE CATCHING IT ON FIRE. |
| Sep 2, 5:37 PM CDT | TSTM WND DMG | 1 Ssw Huntsville, AL | POWER LINES REPORTED DOWN. |
| Sep 2, 5:38 PM CDT | TSTM WND DMG | 3 Wsw Huntsville, AL | POWER POLES REPORTED DOWN |
| Sep 2, 5:43 PM CDT | TSTM WND DMG | 4 Nw Owens Crossroads, AL | A TREE WAS WAS BLOWN. |
| Sep 2, 5:55 PM CDT | TSTM WND DMG | 1 Ssw Huntsville, AL | POWER LINES REPORTED DOWN. |
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 |
|---|---|---|---|
| Sep 2, 2:49 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 10.4 hours before the alert went out and 159 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.
- Mixed-layer CAPE
- 257 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 627 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
923 WFUS54 KHUN 022224 TORHUN ALC083-089-022300- /O.NEW.KHUN.TO.W.0031.120902T2224Z-120902T2300Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE HUNTSVILLE AL 524 PM CDT SUN SEP 2 2012 THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A * TORNADO WARNING FOR... SOUTHEASTERN LIMESTONE COUNTY IN NORTH CENTRAL ALABAMA... SOUTHWESTERN MADISON COUNTY IN NORTH CENTRAL ALABAMA... * UNTIL 600 PM CDT * AT 522 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR MADISON...AND MOVING EAST AT 35 MPH. * LOCATIONS IMPACTED INCLUDE... HUNTSVILLE...MADISON...MOORES MILL AND REDSTONE ARSENAL. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 3461 8643 3461 8686 3481 8688 3487 8645 TIME...MOT...LOC 2222Z 264DEG 29KT 3472 8681 $$ SL
2 follow-up statements
656
WWUS54 KHUN 022236
SVSHUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
536 PM CDT SUN SEP 2 2012
ALC083-022310-
/O.CAN.KHUN.TO.W.0031.000000T0000Z-120902T2300Z/
LIMESTONE AL-
536 PM CDT SUN SEP 2 2012
...THE TORNADO WARNING FOR SOUTHEASTERN LIMESTONE COUNTY IS
CANCELLED...
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT
OF LIMESTONE COUNTY. THEREFORE THE WARNING HAS BEEN CANCELLED FOR
SOUTHEASTERN LIMESTONE COUNTY.
LAT...LON 3461 8643 3461 8674 3482 8677 3484 8668
3487 8645
TIME...MOT...LOC 2234Z 264DEG 29KT 3473 8672
$$
ALC089-022300-
/O.CON.KHUN.TO.W.0031.000000T0000Z-120902T2300Z/
MADISON AL-
536 PM CDT SUN SEP 2 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR
CENTRAL MADISON COUNTY...
AT 532 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
NEAR MADISON...MOVING EAST AT 35 MPH.
LOCATIONS IMPACTED INCLUDE...
HUNTSVILLE...MADISON...MOORES MILL AND REDSTONE ARSENAL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE
HOME OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3461 8643 3461 8674 3482 8677 3484 8668
3487 8645
TIME...MOT...LOC 2232Z 264DEG 29KT 3473 8672
$$
SL153
WWUS54 KHUN 022301
SVSHUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
601 PM CDT SUN SEP 2 2012
ALC089-022309-
/O.EXP.KHUN.TO.W.0031.000000T0000Z-120902T2300Z/
MADISON AL-
601 PM CDT SUN SEP 2 2012
...THE TORNADO WARNING FOR CENTRAL MADISON COUNTY WILL EXPIRE AT
600 PM CDT...
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HASMOVED OUT OF
CENTRAL MADISON COUNTY. THEREFORE THE WARNING WILL BE ALLOWED TO
EXPIRE AT CENTRAL MADISON COUNTY.
AN ADDITIONAL TORNADO WARNING IS IN EFFECT FOR SOUTHEASTERN MADISON
COUNTY UNTIL 615 PM CDT.
LAT...LON 3461 8643 3461 8674 3482 8677 3484 8668
3487 8645
TIME...MOT...LOC 2259Z 264DEG 29KT 3473 8672
$$
SLThe office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 12:34 PM CDT | Special Weather Statement | HUN | Jackson | 26 min |
| Sep 2, 2:54 PM CDT | Special Weather Statement | HUN | Limestone | 36 min |
| Sep 2, 3:56 PM CDT | Special Weather Statement | HUN | Colbert | 34 min |
| Sep 2, 4:05 PM CDT | Tornado Warning | HUN | Colbert, Lawrence | 25 min |
| Sep 2, 4:09 PM CDT | Severe Thunderstorm Warning | HUN | Limestone, Madison | 36 min |
| Sep 2, 4:14 PM CDT | Tornado Warning | HUN | Limestone, Madison | 31 min |
| Sep 2, 4:27 PM CDT | Tornado Warning | HUN | Lawrence, Limestone, Morgan | 33 min |
| Sep 2, 4:40 PM CDT | Tornado Warning | HUN | Jackson, Madison | 35 min |
| Sep 2, 4:45 PM CDT | Severe Thunderstorm Warning | HUN | Franklin | 30 min |
| Sep 2, 5:04 PM CDT | Tornado Warning | HUN | Jackson | 26 min |
| Sep 2, 5:05 PM CDT | Severe Thunderstorm Warning | HUN | Limestone, Madison | 25 min |
| Sep 2, 5:14 PM CDT | Severe Thunderstorm Warning | HUN | Lawrence, Morgan | 31 min |
| Sep 2, 5:18 PM CDT | Severe Thunderstorm Warning | HUN | Franklin, Lawrence | 27 min |
| Sep 2, 5:32 PM CDT | Severe Thunderstorm Warning | HUN | Franklin | 28 min |
| Sep 2, 5:33 PM CDT | Flash Flood Warning | HUN | Madison | 3 hr |
| Sep 2, 5:40 PM CDT | Tornado Warning | HUN | Jackson, Madison | 35 min |
| Sep 2, 5:44 PM CDT | Flash Flood Warning | HUN | Madison | 3 hr |
| Sep 2, 5:45 PM CDT | Severe Thunderstorm Warning | HUN | Franklin, Lawrence | 30 min |
| Sep 2, 5:50 PM CDT | Tornado Warning | HUN | Franklin, Lawrence | 25 min |
| Sep 2, 5:55 PM CDT | Severe Thunderstorm Warning | HUN | Franklin | 20 min |
| Sep 2, 5:58 PM CDT | Special Weather Statement | HUN | Marshall | 47 min |
| Sep 2, 6:02 PM CDT | Tornado Warning | HUN | Jackson | 28 min |
| Sep 2, 6:07 PM CDT | Flash Flood Warning | HUN | Franklin, Lawrence | 3 hr |
| Sep 2, 6:09 PM CDT | Severe Thunderstorm Warning | HUN | Franklin | 36 min |
| Sep 2, 6:30 PM CDT | Special Weather Statement | HUN | Lauderdale | 45 min |
| Sep 2, 6:37 PM CDT | Special Weather Statement | HUN | DeKalb | 53 min |
| Sep 2, 6:45 PM CDT | Severe Thunderstorm Warning | HUN | Franklin | 15 min |
| Sep 2, 6:52 PM CDT | Special Weather Statement | HUN | Marshall | 53 min |
| Sep 2, 6:56 PM CDT | Severe Thunderstorm Warning | HUN | Cullman, Marshall, Morgan | 34 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.