Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 293, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Dec 10, 2012, 10:05 AM CST for Dallas County, Alabama. It was in force for 25 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
- Dec 10, 2012, 10:05 AM CST (16:05 UTC)
- Expired
- Dec 10, 2012, 10:30 AM CST
- In force
- 25 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
County Dallas County, AL
The radar
The Birmingham radar (KBMX), 114 km from the middle of the area, began a volume at 16:06 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 |
|---|---|---|---|
| Dec 10, 10:30 AM CST | TSTM WND DMG | 5 Wsw Tyler, AL | SEVERAL TREES DOWN AT THE INTERSECTION OF COUNTY ROAD 62 AND COUNTY ROAD 30. |
| Dec 10, 10:36 AM CST | TSTM WND DMG | 5 Wsw Tyler, AL | TREES WERE REPORTED DOWN ON COUNTY ROAD 62. |
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 |
|---|---|---|---|
| Dec 10, 8:51 AM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 4.1 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.
- Mixed-layer CAPE
- 385 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 531 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 218 m²/s²
- 0-3 km storm-relative helicity
- 254 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
652
WUUS54 KBMX 101605
SVRBMX
ALC047-101630-
/O.NEW.KBMX.SV.W.0293.121210T1605Z-121210T1630Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1005 AM CST MON DEC 10 2012
THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL DALLAS COUNTY IN SOUTH CENTRAL ALABAMA...
* UNTIL 1030 AM CST
* AT 1001 AM CST...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
MPH. THIS STORM WAS LOCATED NEAR REHOBOTH...OR 13 MILES NORTH OF
CAMDEN...AND MOVING NORTHEAST AT 35 MPH.
* LOCATIONS IMPACTED INCLUDE...
FIVE POINTS...DALLAS LAKE...OLD CAHABA PARK...DALLAS COUNTY HORSE
ARENA...POTTER STATION...WHITES BLUFF...HAZEN AND SKYHARBOR
AIRPORT.
WINDS OF 60 TO 70 MPH WILL BREAK LARGE TREE LIMBS AND CAUSE SOME
DAMAGE...ESPECIALLY TO SMALLER STRUCTURES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.
&&
TO REPORT SEVERE WEATHER...
CALL 1-800-856-0758.
LAT...LON 3214 8726 3214 8727 3221 8735 3244 8709
3226 8690 3213 8725
TIME...MOT...LOC 1605Z 235DEG 30KT 3219 8728
$$1 follow-up statement
096 WWUS54 KBMX 101619 SVSBMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 1019 AM CST MON DEC 10 2012 ALC047-101630- /O.CON.KBMX.SV.W.0293.000000T0000Z-121210T1630Z/ DALLAS AL- 1019 AM CST MON DEC 10 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL DALLAS COUNTY UNTIL 1030 AM CST... AT 1018 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THIS STORM WAS LOCATED NEAR FIVE POINTS...OR 13 MILES SOUTHWEST OF SELMONT-WEST SELMONT...MOVING NORTHEAST AT 35 MPH. LOCATIONS IMPACTED INCLUDE... OLD CAHABA PARK...DALLAS COUNTY HORSE ARENA AND SKYHARBOR AIRPORT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM. && TO REPORT SEVERE WEATHER...CALL 1-800-856-0758. LAT...LON 3220 8716 3226 8723 3241 8707 3226 8690 TIME...MOT...LOC 1619Z 235DEG 30KT 3226 8717 $$
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 1:55 AM CST | Special Weather Statement | BMX | Fayette, Lamar, Marion, Pickens | 65 min |
| Dec 10, 4:38 AM CST | Special Weather Statement | BMX | Greene, Sumter | 52 min |
| Dec 10, 5:01 AM CST | Special Weather Statement | BMX | Etowah | 44 min |
| Dec 10, 5:42 AM CST | Special Weather Statement | BMX | Calhoun, Cherokee, Etowah | 48 min |
| Dec 10, 7:02 AM CST | Special Weather Statement | BMX | Talladega | 28 min |
| Dec 10, 8:02 AM CST | Special Weather Statement | BMX | Sumter | 28 min |
| Dec 10, 8:18 AM CST | Severe Thunderstorm Warning | BMX | Greene, Hale, Sumter | 27 min |
| Dec 10, 8:22 AM CST | Areal Flood Advisory | BMX | Greene, Hale, Sumter | 3 hr |
| Dec 10, 8:49 AM CST | Special Weather Statement | BMX | Sumter | 26 min |
| Dec 10, 9:15 AM CST | Special Weather Statement | BMX | Coosa | 45 min |
| Dec 10, 9:54 AM CST | Severe Thunderstorm Warning | BMX | Clay, Cleburne, Randolph | 66 min |
| Dec 10, 9:59 AM CST | Special Weather Statement | BMX | Dallas | 31 min |
| Dec 10, 10:10 AM CST | Severe Thunderstorm Warning | BMX | Autauga, Lowndes | 35 min |
| Dec 10, 10:29 AM CST | Severe Thunderstorm Warning | BMX | Dallas | 31 min |
| Dec 10, 10:47 AM CST | Special Weather Statement | BMX | Elmore | 43 min |
| Dec 10, 11:06 AM CST | Special Weather Statement | BMX | Marengo | 24 min |
| Dec 10, 12:16 PM CST | Special Weather Statement | BMX | Dallas | 44 min |
| Dec 10, 12:28 PM CST | Special Weather Statement | BMX | Lowndes | 47 min |
| Dec 10, 1:07 PM CST | Special Weather Statement | BMX | Elmore, Montgomery | 53 min |
| Dec 10, 1:13 PM CST | Severe Thunderstorm Warning | BMX | Elmore, Lowndes, Montgomery | 47 min |
| Dec 10, 1:41 PM CST | Severe Thunderstorm Warning | BMX | Bullock, Lee, Macon, Tallapoosa | 64 min |
| Dec 10, 1:55 PM CST | Tornado Warning | BMX | Macon | 22 min |
| Dec 10, 2:37 PM CST | Special Weather Statement | BMX | Barbour | 23 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2012Every severe thunderstorm warning 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.