Alert archive / Alabama / Tornado Warnings in 2012
Tornado Warning 65, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Aug 30, 2012, 11:56 AM CDT for Choctaw County, Alabama. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 30, 2012, 11:56 AM CDT (16:56 UTC)
- Expired
- Aug 30, 2012, 12:29 PM CDT
- In force
- 33 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Choctaw County, AL
The radar
The Mobile radar (KMOB), 157 km from the middle of the area, began a volume at 16:59 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 30, 7:13 AM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 4.9 hours before the alert went out and 175 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
- 768 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 469 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 123 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.6
The text
As transmitted, in the capitals the NWS used until 2016.
444
WFUS54 KMOB 301656
TORMOB
ALC023-301745-
/O.NEW.KMOB.TO.W.0065.120830T1656Z-120830T1745Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1156 AM CDT THU AUG 30 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN CHOCTAW COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 1245 PM CDT
* AT 1153 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 5 MILES SOUTHEAST OF BUTLER...OR 8 MILES WEST
OF PUTNAM...MOVING NORTH AT 45 MPH.
* LOCATIONS IMPACTED INCLUDE...
PENNINGTON... BUTLER...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
HEAVY RAINFALL MAY OBSCURE THIS TORNADO. IF YOU WAIT TO SEE OR HEAR
IT COMING THEN IT MAY BE TOO LATE TO GET TO A SAFE PLACE.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CDT THURSDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.
&&
LAT...LON 3207 8808 3205 8811 3200 8810 3195 8812
3196 8826 3231 8823 3231 8801
TIME...MOT...LOC 1656Z 190DEG 39KT 3206 8817
$$2 follow-up statements
845 WWUS54 KMOB 301710 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1210 PM CDT THU AUG 30 2012 ALC023-301745- /O.CON.KMOB.TO.W.0065.000000T0000Z-120830T1745Z/ CHOCTAW AL- 1210 PM CDT THU AUG 30 2012 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 PM CDT FOR NORTHEASTERN CHOCTAW COUNTY... AT 1208 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED 5 MILES NORTHEAST OF BUTLER...OR 6 MILES EAST OF LISMAN...MOVING NORTH AT 40 MPH. LOCATIONS IMPACTED INCLUDE... BUTLER... PRECAUTIONARY/PREPAREDNESS ACTIONS... HEAVY RAINFALL MAY OBSCURE THIS TORNADO. IF YOU WAIT TO SEE OR HEAR IT COMING THEN IT MAY BE TOO LATE TO GET TO A SAFE PLACE. A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CDT THURSDAY AFTERNOON FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI. && LAT...LON 3208 8810 3209 8825 3231 8823 3231 8804 TIME...MOT...LOC 1710Z 181DEG 36KT 3217 8819 $$
351 WWUS54 KMOB 301729 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1229 PM CDT THU AUG 30 2012 ALC023-301739- /O.CAN.KMOB.TO.W.0065.000000T0000Z-120830T1745Z/ CHOCTAW AL- 1229 PM CDT THU AUG 30 2012 ...THE TORNADO WARNING HAS BEEN CANCELLED FOR NORTHEASTERN CHOCTAW COUNTY... AT 1227 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR NORTHEASTERN CHOCTAW COUNTY HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE TORNADO WARNING HAS BEEN CANCELLED. TO REPORT SEVERE WEATHER...CALL (800) 284-9059. A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CDT THURSDAY AFTERNOON FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI. LAT...LON 3208 8810 3209 8825 3231 8823 3231 8804 TIME...MOT...LOC 1729Z 181DEG 36KT 3236 8819 $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 7:27 PM CDT | Tornado Warning | MOB | Monroe, Wilcox | 30 min |
| Aug 29, 7:29 PM CDT | Small Craft Advisory | MOB | 33 hr | |
| Aug 29, 7:45 PM CDT | Coastal Flood Warning | MOB | 21 hr | |
| Aug 30, 12:22 AM CDT | Flash Flood Warning | MOB | Mobile, Washington | 6 hr |
| Aug 30, 12:52 AM CDT | Wind Advisory | MOB | Washington | 16 hr |
| Aug 30, 2:28 AM CDT | Areal Flood Warning | MOB | Mobile, Washington | 12 hr |
| Aug 30, 2:46 AM CDT | Tornado Warning | MOB | Covington | 33 min |
| Aug 30, 3:53 AM CDT | Tornado Warning | MOB | Covington, Escambia | 37 min |
| Aug 30, 4:09 AM CDT | Tornado Warning | MOB | Butler, Crenshaw | 16 min |
| Aug 30, 4:31 AM CDT | Tornado Warning | MOB | Washington | 29 min |
| Aug 30, 4:32 AM CDT | Tornado Warning | MOB | Covington | 28 min |
| Aug 30, 6:43 AM CDT | Tornado Warning | MOB | Choctaw, Washington | 37 min |
| Aug 30, 7:41 AM CDT | Tornado Warning | MOB | Mobile | 33 min |
| Aug 30, 8:10 AM CDT | Tornado Warning | MOB | Choctaw, Washington | 35 min |
| Aug 30, 8:13 AM CDT | Tornado Warning | MOB | Washington | 32 min |
| Aug 30, 8:45 AM CDT | Tornado Warning | MOB | Choctaw, Washington | 45 min |
| Aug 30, 9:01 AM CDT | Tornado Warning | MOB | Mobile, Washington | 44 min |
| Aug 30, 10:16 AM CDT | Tornado Warning | MOB | Choctaw, Washington | 44 min |
| Aug 30, 10:56 AM CDT | Tornado Warning | MOB | Choctaw | 49 min |
| Aug 30, 11:32 AM CDT | Severe Thunderstorm Warning | MOB | Mobile | 43 min |
| Aug 30, 11:44 AM CDT | Flash Flood Warning | MOB | Mobile, Washington | 6 hr |
| Aug 30, 4:29 PM CDT | High Surf Advisory | MOB | 20 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.