TornadoHistoryProject.com

As noted in an earlier post, the SPC recently made changes to the pre-2011 historical files. Here’s a list so far, covering the period from 1950-2004. All the changes noted are already live on this site. There will be a future article for the 2005-2010 changes.

• 19560403.26.4- length changed to 60.6, liftoff coordinates changed to 42.94, -85.32
• 19560403.26.3 – injuries changes to 25, fatalities changed to 1, touchdown coordinates changed to 44.38, -86.26, liftoff coordinates changed 44.96,-85.6, and length changed to 50.3
• 19560403.26.2 – time changed to 16:40, injuries changed to 292, fatalities changed to 17, touchdown coordinates changed to 42.65, -86.22, liftoff coordinates changed to 43.37, -85.31, and length changed to 58.8
• 19840421.28.3 – length changed to 71
• 19940411.5.1 – county changed to Miller
• 19990812.47.1 – length changed to 0.1
• 19970301.47.20 – fatalities changed to 1
• 19961130.22.17 – fatalities changed to 2
• 20010411.29.5 – fujita changed to 3
• 20020601.19.17 – state tornado number changed to 17
• 20020929.19.34 – state tornado number changed to 34
• 20020417.19.2 – state tornado number changed to 2
• 20020417.19.3 – state tornado number changed to 3
• 20020417.19.4 – state tornado number changed to 4
• 20020418.19.5 – state tornado number changed to 5
• 20020418.19.6 – state tornado number changed to 6
• 20020418.19.7 – state tornado number changed to 7
• 20020418.19.8 – state tornado number changed to 8
• 20020418.19.9 – state tornado number changed to 9
• 20020427.19.10 – state tornado number changed to 10
• 20020427.19.11 – state tornado number changed to 11
• 20020427.19.12 – state tornado number changed to 12
• 20020508.19.15 – state tornado number changed to 15
• 20020508.19.16 – state tornado number changed to 16
• 20020508.19.13 – state tornado number changed to 13
• 20020508.19.14 – state tornado number changed to 14
• 20020607.19.18 – state tornado number changed to 18
• 20020612.19.19 – state tornado number changed to 19
• 20020612.19.20 – state tornado number changed to 20
• 20020612.19.21 – state tornado number changed to 21
• 20020620.19.22 – state tornado number changed to 22
• 20020621.19.24 – state tornado number changed to 24
• 20020621.19.23 – state tornado number changed to 23
• 20020626.19.26 – state tornado number changed to 26
• 20020626.19.27 – state tornado number changed to 27
• 20020726.19.29 – state tornado number changed to 29
• 20020726.19.28 – state tornado number changed to 28
• 20020821.19.30 – state tornado number changed to 30
• 20020821.19.31 – state tornado number changed to 31
• 20020823.19.32 – state tornado number changed to 32
• 20020826.19.33 – state tornado number changed to 33
• 20030509.18.4 – length changed to 0.1
• 20030609.46.4 – length changed to 10.2
• 20040714.30.2 – length changed to 0.1
• 20040714.30.3 – length changed to 6.08
• 20040714.30.4 – length changed to 0.1
• 20040823.30.5 – length changed to 0.1