Alert archive / Alabama / Tornado Warnings in 2013
Tornado Warning 18, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Apr 11, 2013, 2:16 PM CDT for Choctaw County, Alabama. It was in force for 44 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
- Apr 11, 2013, 2:16 PM CDT (19:16 UTC)
- Expired
- Apr 11, 2013, 3:00 PM CDT
- In force
- 44 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Choctaw County, AL
The radar
The Birmingham radar (KBMX), 165 km from the middle of the area, began a volume at 19:17 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 |
|---|---|---|---|
| Apr 11, 3:03 PM CDT | TSTM WND DMG | 1 W Pennington, AL | EM REPORTS TREES DOWN 1 W OF PENNINGTON ON HWY 156. |
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 |
|---|---|---|---|
| Apr 11, 1:30 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 7.3 hours before the alert went out and 165 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
- 35 J/kg
- Mixed-layer CIN
- -291 J/kg
- Mixed-layer LCL
- 635 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 143 m²/s²
- 0-3 km storm-relative helicity
- 169 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
348
WFUS54 KMOB 111916
TORMOB
ALC023-112000-
/O.NEW.KMOB.TO.W.0018.130411T1916Z-130411T2000Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
216 PM CDT THU APR 11 2013
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHERN CHOCTAW COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 300 PM CDT
* AT 211 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 3 MILES NORTHEAST OF QUITMAN...OR 7 MILES
SOUTHEAST OF STONEWALL...MOVING NORTHEAST AT 55 MPH.
* LOCATIONS IMPACTED INCLUDE...
PENNINGTON... NEEDHAM... LISMAN...
BUTLER...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CDT THURSDAY AFTERNOON
FOR SOUTHEAST MISSISSIPPI. A TORNADO WATCH ALSO REMAINS IN EFFECT
UNTIL 800 PM CDT THURSDAY EVENING FOR SOUTHWESTERN ALABAMA AND
NORTHWEST FLORIDA.
&&
LAT...LON 3231 8793 3228 8794 3230 8795 3230 8798
3228 8801 3218 8800 3214 8804 3208 8804
3206 8807 3205 8811 3201 8811 3200 8809
3196 8847 3231 8841
TIME...MOT...LOC 1916Z 231DEG 48KT 3212 8864
$$2 follow-up statements
944
WWUS54 KMOB 111927
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
227 PM CDT THU APR 11 2013
ALC023-112000-
/O.CON.KMOB.TO.W.0018.000000T0000Z-130411T2000Z/
CHOCTAW AL-
227 PM CDT THU APR 11 2013
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR NORTHERN
CHOCTAW COUNTY...
AT 225 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 15 MILES NORTHWEST OF BUTLER...OR 10 MILES WEST OF
LISMAN...MOVING NORTHEAST AT 60 MPH.
LOCATIONS IMPACTED INCLUDE...
PENNINGTON... NEEDHAM... LISMAN...
BUTLER...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CDT THURSDAY AFTERNOON
FOR SOUTHEAST MISSISSIPPI. A TORNADO WATCH ALSO REMAINS IN EFFECT
UNTIL 800 PM CDT THURSDAY EVENING FOR SOUTHWESTERN ALABAMA AND
NORTHWEST FLORIDA.
&&
LAT...LON 3231 8793 3228 8794 3230 8795 3230 8798
3228 8801 3218 8800 3214 8804 3208 8804
3206 8807 3205 8811 3201 8811 3200 8809
3196 8847 3231 8841
TIME...MOT...LOC 1927Z 240DEG 50KT 3219 8843
$$159
WWUS54 KMOB 111943
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
243 PM CDT THU APR 11 2013
ALC023-111953-
/O.CAN.KMOB.TO.W.0018.000000T0000Z-130411T2000Z/
CHOCTAW AL-
243 PM CDT THU APR 11 2013
...THE TORNADO WARNING HAS BEEN CANCELLED FOR EXTREME NORTHWEST
CHOCTAW COUNTY...
AT 239 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR NORTHERN
CHOCTAW COUNTY HAS MOVED OUT OF THE COUNTY...THUS THE TORNADO
WARNING HAS BEEN CANCELLED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CDT THURSDAY AFTERNOON
FOR SOUTHEAST MISSISSIPPI. A TORNADO WATCH ALSO REMAINS IN EFFECT
UNTIL 800 PM CDT THURSDAY EVENING FOR SOUTHWESTERN ALABAMA AND
NORTHWEST FLORIDA.
LAT...LON 3231 8793 3228 8794 3230 8795 3230 8798
3228 8801 3218 8800 3214 8804 3208 8804
3206 8807 3205 8811 3201 8811 3200 8809
3196 8847 3231 8841
TIME...MOT...LOC 1943Z 240DEG 50KT 3230 8820
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 3:47 AM CDT | Rip Current Statement | MOB | 20 hr | |
| Apr 11, 3:49 AM CDT | Wind Advisory | MOB | Butler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more | 15 hr |
| Apr 11, 1:41 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 64 min |
| Apr 11, 2:18 PM CDT | Tornado Warning | MOB | Washington | 42 min |
| Apr 11, 2:36 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw, Clarke | 39 min |
| Apr 11, 2:44 PM CDT | Severe Thunderstorm Warning | MOB | Washington | 31 min |
| Apr 11, 4:06 PM CDT | Special Marine Warning | MOB | 84 min | |
| Apr 11, 5:21 PM CDT | Special Marine Warning | MOB | 84 min | |
| Apr 11, 5:27 PM CDT | Flash Flood Warning | MOB | Clarke | 6 hr |
| Apr 11, 5:27 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 33 min |
| Apr 11, 5:43 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Mobile | 32 min |
| Apr 11, 6:06 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Escambia | 24 min |
| Apr 11, 6:32 PM CDT | Special Marine Warning | MOB | 88 min |
Nearby
Tornado Warnings in Alabama, 2013Every tornado warning in 2013Tornadoes in 2013
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.