Alert archive / Alabama / Tornado Warnings in 2012
Tornado Warning 64, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Aug 30, 2012, 10:56 AM CDT for Choctaw County, Alabama. It was in force for 49 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
- Aug 30, 2012, 10:56 AM CDT (15:56 UTC)
- Expired
- Aug 30, 2012, 11:45 AM CDT
- In force
- 49 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Choctaw County, AL
The radar
The Mobile radar (KMOB), 148 km from the middle of the area, began a volume at 15:58 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 |
|---|---|---|---|
| Aug 30, 10:58 AM CDT | TORNADO | 1 E Toxey, AL | DOWNED AND SNAPPED TREES REPORTED NEAR THE TOWN OF TOXEY. |
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 |
|---|---|---|---|
| Aug 30, 7:13 AM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 3.9 hours before the alert went out and 176 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
- 107 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 501 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 473 m²/s²
- 0-3 km storm-relative helicity
- 650 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
504 WFUS54 KMOB 301556 TORMOB ALC023-301645- /O.NEW.KMOB.TO.W.0064.120830T1556Z-120830T1645Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MOBILE AL 1056 AM CDT THU AUG 30 2012 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * TORNADO WARNING FOR... CENTRAL AND NORTHERN CHOCTAW COUNTY IN SOUTHWEST ALABAMA... * UNTIL 1145 AM CDT * AT 1054 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED 17 MILES SOUTH OF BUTLER...OR 2 MILES SOUTHEAST OF GILBERTOWN...MOVING NORTH AT 35 MPH. * LOCATIONS IMPACTED INCLUDE... TOXEY... NEEDHAM... LISMAN... GILBERTOWN... BUTLER... PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CDT THURSDAY AFTERNOON FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI. && LAT...LON 3181 8819 3182 8838 3231 8838 3231 8810 TIME...MOT...LOC 1556Z 185DEG 31KT 3187 8829 $$
2 follow-up statements
706 WWUS54 KMOB 301613 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1113 AM CDT THU AUG 30 2012 ALC023-301645- /O.CON.KMOB.TO.W.0064.000000T0000Z-120830T1645Z/ CHOCTAW AL- 1113 AM CDT THU AUG 30 2012 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT FOR NORTHERN CHOCTAW COUNTY... AT 1111 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED 5 MILES SOUTHWEST OF BUTLER...OR 5 MILES NORTHEAST OF NEEDHAM...MOVING NORTH AT 45 MPH. LOCATIONS IMPACTED INCLUDE... NEEDHAM... LISMAN... BUTLER... PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CDT THURSDAY AFTERNOON FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI. && LAT...LON 3196 8819 3196 8836 3231 8838 3231 8810 TIME...MOT...LOC 1613Z 179DEG 40KT 3206 8828 $$
074 WWUS54 KMOB 301644 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1144 AM CDT THU AUG 30 2012 ALC023-301654- /O.EXP.KMOB.TO.W.0064.000000T0000Z-120830T1645Z/ CHOCTAW AL- 1144 AM CDT THU AUG 30 2012 ...THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE FOR NORTHERN CHOCTAW COUNTY... AT 1144 AM CDT...THE STORM THAT PROMPTED THE WARNING FOR NORTHERN CHOCTAW COUNTY HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE TORNADO WARNING WILL BE ALLOWED TO EXPIRE AT 1145 AM CDT. ALTHOUGH THIS WARNING HAS EXPIRED...ADDITIONAL STORMS MAY DEVELOP REQUIRING NEW WARNINGS FOR PORTIONS OF CHOCTAW COUNTY. A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CDT THURSDAY AFTERNOON FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI. LAT...LON 3196 8819 3196 8836 3231 8838 3231 8810 TIME...MOT...LOC 1644Z 179DEG 40KT 3240 8829 $$
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, 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, 11:56 AM CDT | Tornado Warning | MOB | Choctaw | 33 min |
| 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.