Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 23, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Feb 24, 2012, 9:30 AM CST for Clarke County, Wilcox County, Alabama. It was in force for 30 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
- Feb 24, 2012, 9:30 AM CST (15:30 UTC)
- Expired
- Feb 24, 2012, 10:00 AM CST
- In force
- 30 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Clarke County, AL, Wilcox County, AL
The radar
The Birmingham radar (KBMX), 131 km from the middle of the area, began a volume at 15:34 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 |
|---|---|---|---|
| Feb 24, 9:42 AM CST | HAIL 0.88 | Millers Ferry, AL | NICKEL HAIL WAS REPORTED NEAR SAND ISLAND DRIVE JUST SOUTH OF THE ALABAMA RIVER. |
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 |
|---|---|---|---|
| Feb 24, 7:48 AM CST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 3.5 hours before the alert went out and 131 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
- 1167 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 575 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 195 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
704
WUUS54 KMOB 241530
SVRMOB
ALC025-131-241600-
/O.NEW.KMOB.SV.W.0023.120224T1530Z-120224T1600Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
930 AM CST FRI FEB 24 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN WILCOX COUNTY IN SOUTH CENTRAL ALABAMA...
NORTH CENTRAL CLARKE COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 1000 AM CST
* AT 930 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 3 MILES
NORTHEAST OF THOMASVILLE...OR 3 MILES SOUTH OF SHAWNEE...AND MOVING
NORTHEAST AT 65 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
YELLOW BLUFF AROUND 940 AM CST...
BOYKIN AROUND 950 AM CST...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CST FRIDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
&&
LAT...LON 3225 8742 3224 8739 3221 8737 3220 8733
3205 8717 3205 8694 3184 8772 3199 8781
3201 8763 3213 8763 3214 8753 3226 8753
3228 8750 3228 8745
TIME...MOT...LOC 1530Z 243DEG 58KT 3198 8765
$$
JP/JC2 follow-up statements
243
WWUS54 KMOB 241551
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
951 AM CST FRI FEB 24 2012
ALC025-241601-
/O.CAN.KMOB.SV.W.0023.000000T0000Z-120224T1600Z/
CLARKE AL-
951 AM CST FRI FEB 24 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL CLARKE COUNTY IS
CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CST FRIDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
LAT...LON 3225 8742 3224 8739 3221 8737 3220 8733
3207 8719 3201 8738 3205 8745 3208 8750
3214 8753 3226 8753 3228 8750 3228 8745
TIME...MOT...LOC 1551Z 237DEG 69KT 3221 8729
$$
ALC131-241600-
/O.CON.KMOB.SV.W.0023.000000T0000Z-120224T1600Z/
WILCOX AL-
951 AM CST FRI FEB 24 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 AM CST
FOR NORTH CENTRAL WILCOX COUNTY...
AT 951 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR REHOBOTH...OR 11 MILES NORTH OF CAMDEN...MOVING
NORTHEAST AT 80 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CST FRIDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
&&
LAT...LON 3225 8742 3224 8739 3221 8737 3220 8733
3207 8719 3201 8738 3205 8745 3208 8750
3214 8753 3226 8753 3228 8750 3228 8745
TIME...MOT...LOC 1551Z 237DEG 69KT 3221 8729
$$
JP/JC762
WWUS54 KMOB 241559
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
959 AM CST FRI FEB 24 2012
ALC131-241607-
/O.EXP.KMOB.SV.W.0023.000000T0000Z-120224T1600Z/
WILCOX AL-
959 AM CST FRI FEB 24 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL WILCOX COUNTY
WILL EXPIRE AT 1000 AM CST...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CST FRIDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
THE SEVERE THUNDERSTORM PRODUCING A POSSIBLE TORNADO WILL MOVE OUT
OF THE WARNED AREA BY 1000 AM. THEREFORE...THE SEVERE THUNDERSTORM
WARNING WILL BE ALLOWED TO EXPIRE.
REPORT ANY DAMAGE TO YOUR LOCAL LAW ENFORCEMENT OR EMERGENCY
MANAGEMENT AGENCY.
LAT...LON 3225 8742 3224 8739 3221 8737 3220 8733
3207 8719 3201 8738 3205 8745 3208 8750
3214 8753 3226 8753 3228 8750 3228 8745
TIME...MOT...LOC 1557Z 232DEG 56KT 3224 8723
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 8:06 AM CST | Severe Thunderstorm Warning | MOB | Washington | 39 min |
| Feb 24, 8:51 AM CST | Severe Thunderstorm Warning | MOB | Clarke, Monroe, Washington | 39 min |
| Feb 24, 9:20 AM CST | Tornado Warning | MOB | Clarke, Conecuh, Monroe | 40 min |
| Feb 24, 9:35 AM CST | Tornado Warning | MOB | Wilcox | 25 min |
| Feb 24, 9:52 AM CST | Severe Thunderstorm Warning | MOB | Butler, Conecuh, Crenshaw, Monroe, Wilcox | 38 min |
| Feb 24, 10:13 AM CST | Tornado Warning | MOB | Butler, Crenshaw | 32 min |
| Feb 24, 10:35 AM CST | Special Marine Warning | MOB | 40 min | |
| Feb 24, 11:15 AM CST | Special Marine Warning | MOB | 60 min | |
| Feb 24, 11:26 AM CST | Special Marine Warning | MOB | 19 min | |
| Feb 24, 12:17 PM CST | Special Marine Warning | MOB | 58 min | |
| Feb 24, 2:08 PM CST | Red Flag Warning | MOB | Butler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more | 26 hr |
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.