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Tornado Outbreak of April 15th, 2011
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Event Summary for Central Alabama
As part of a system which wreaked havoc across the eastern half of the United States (April 14-16), the following is an account of the tornado outbreak of April 15th, 2011, in Central Alabama.
A surface low, which had developed across the Central Plains on Thursday, the 14th, deepened as it moved into the Mid-Mississippi Valley. In response to this deepening, surface dew points in the middle to upper 60s surged northward into Central Alabama and deep vertical wind shear increased. By the morning of Friday, the 15th, it was evident environmental conditions were going to be perfect for tornadic supercell development. The Storm Prediction Center issued the first Tornado Watch for Central Alabama prior to 8 am and supercell development began just after 11 am across central Mississippi. These storms crept across the Mississippi and dropped multiple damaging tornadoes. The first tornado warning in Central Alabama was issued at 1152 am in Marengo County and warnings were issued until 1215 am the next morning.
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Location/Clickable Detailed Summary Link
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Damage Rating/Estimated Maximum Wind Speeds
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Injuries/Fatalities
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Damage Path Length/Width
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Starting Point/Time
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Ending Point/Time
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EF-1
100 mph
(EF-1 in WFO MOB)
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None
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4.21 miles
60 yards
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32.1125/-88.0500
1210 pm
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32.1200/-87.9816 1221 pm
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None
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10.5 miles
1760 yards
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32.8442/-88.3569
145 pm
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32.8917/-88.1835
205 pm
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EF-2
115 mph
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None
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4.5 miles
200 yards
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32.789/-88.241 303 pm
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32.806/-88.165 310 pm
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EF-3
140 mph
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None
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18.37 miles
500 yards
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33.012/-87.734
314 pm
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33.190/-87.504 345 pm
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EF-2
115 mph
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None
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2.20 miles
700 yards
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32.7285/-87.6276
333 pm
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32.7566/-87.66097 337 pm
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EF-2
115 mph
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None
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8.9 miles
200 yards
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32.4359/-88.3288
353 pm
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32.4839/-88.1868 407 pm
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EF-1
105 mph
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None
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21.77 miles
1760 yards
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32.9040/-87.3625
400 pm
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33.1092/-87.0773 434 pm
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EF-2
130 mph
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None
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24.1 miles
880 yards
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32.6426/-87.8456
444 pm
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32.8445/-87.5088 522 pm
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EF-0
70 mph
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None
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1.37 miles
50 yards
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33.2380/-86.8363
459 pm
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33.2449/-86.8141 502 pm
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EF-3
150 mph
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4 Injuries/
1 Fatality
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15.58 miles
800 yards
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32.1901/-88.0056
504 pm
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32.3431/-87.8159 528 pm
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EF-2
130 mph
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None
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5.4 miles
575 yards
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32.3089/-87.9304
519 pm
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32.3710/-87.8742 530 pm
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EF-2
125 mph
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None
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10.9 miles
600 yards
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32.2884/-87.7380
535 pm
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32.3862/-87.5921 553 pm
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EF-1
85-90 mph
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None
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4.38 miles
100 yards
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33.2477/-86.5256
544 pm
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33.2680/-86.4537
549 pm
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EF-0
85 mph
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None
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4.65 miles
150 yards
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32.4055/-87.5098
600 pm
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32.4296/-87.4354
605 pm
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EF-2
115 mph
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None
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0.8 miles
500 yards
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32.5666/-87.2943
625 pm
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32.5761/-87.2863 627 pm
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EF-2
135 mph
(EF-2 in WFO MOB)
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None
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21.08 miles
800 yards
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32.0820/-88.0500
638 pm
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32.2413/-87.7304 709 pm
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EF-1
90 mph
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None
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0.1 miles
75 yards
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32.6004/-87.0091
705 pm
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32.6013/-87.0079
707 pm
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EF-0
75 mph
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None
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2.73 miles
75 yards
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32.2140/-86.4519
723 pm
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32.2394/-86.4162
727 pm
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EF-1
90 mph
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None
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0.18 miles
100 yards
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32.4700/-87.2346 748 pm
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32.4713/-87.2320
750 pm
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EF-1
105 mph
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None
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1.64 miles
250 yards
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32.3776/-87.1618
804 pm
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32.3880/-87.1366
807 pm
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EF-1
90 mph
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None
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7.88 miles
200 yards
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32.5095/-86.6680
848 pm
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32.6037/-86.5918
859 pm
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EF-1
90 mph
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None
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13.42 miles
200 yards
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32.5639/-86.6064
856 pm
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32.7040/-86.4479
916 pm
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EF-0
75 mph
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None
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4.4 miles
50 yards
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32.6144/-86.5121
907 pm
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32.6634/-86.4631
912 pm
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EF-2
130 mph
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None
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13.17 miles
800 yards
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32.3500/-86.8700 925 pm
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32.5100/-86.7500
940 pm
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EF-0
75 mph
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None
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0.35 miles
50 yards
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32.7216/-86.3133
927 pm
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32.7225/-86.3073 929 pm
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EF-1
90 mph
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None
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3.01 miles
800 yards
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32.3824/-86.8297
928 pm
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32.4040/-86.7848
933 pm
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EF-3
150 mph
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9.29 miles
400 yards
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32.5730/-86.5800
1047 pm
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32.6110/-86.4272
1101 pm
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EF-2
130 mph
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2 Injuries
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20.75 miles
1320 yards
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32.6886/-86.2087
1117 pm
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32.8742/-85.9100 1143 pm
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EF-1
100 mph
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None
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6.64 miles
200 yards
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32.8657/-85.8830
1143 pm
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32.9278/-85.8019 1152 pm
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Preliminary Local Storm Reports
During this event, tornadoes touched down in Oklahoma, Texas, Arkansas, Kansas, Mississippi, Alabama, Georgia, Kentucky, Missouri, Ilinois, South Carolina, North Carolina, Virginia, Maryland, and Pennsylvania.
Here are some other NWS Offices storm survey pages, April 14-16.
| Jackson, MS |
Mobile, AL |
Greenville-Spartanburg, SC |
| Raleigh, NC |
Blacksburg, VA |
Wilmington, NC |
| Columbia, SC |
Wakefield, VA |
State College, PA |
| Atlanta, GA |
Central Illinois |
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| Norman, OK |
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Central Alabama April 15th Statistics
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| -April 15th was one of the largest tornado outbreaks in Central Alabama history by the number of tornado occurrences. |
| -There were 29 confirmed tornadoes in Central Alabama on April 15th. |
| -The combined tornado damage path length in Central Alabama was 244.23 miles. |
| -Ten of the tornadoes had damage path lengths over 10 miles long. |
| -Three tornadoes started outside Central Alabama. |
| -There were at least 10 injuries reported and 4 people lost their lives |
| -Tornado Watch 140 was in effect from 733 am CDT until 3 pm CDT. |
| -Tornado Watch 141 was in effect from 1121 am CDT until 9 pm CDT. |
| -Tornado Watch 146 was in effect from 751 pm CDT until 3 am CDT. |
| -NWS BMX issued 45 Tornado Warnings. |
| -NWS BMX issued 19 Severe Thunderstorm Warnings. |
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Number of Tornadoes by EF-Scale
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| EF0 |
EF1 |
EF2 |
EF3 |
EF4 |
EF5 |
| 5 |
10 |
10 |
4 |
0 |
0 |
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Severe Weather Episode Data
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