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Union Grove F2
| Time (Z) | Rotational Velocity | Shear | Range | Mesocyclone | TVS | Mesocyclone Nomogram Value | Rotational Shear Nomogram Value |
| 1929 | 45 | 27 | 44 | 3.3-11.7 | <3.3->8.0 | Strong Mesocyclone | Tornado Probable |
| 1934 | >50 | >37 | 41 | 3.0-10.9 | <2.9->8.0 | Strong Mesocyclone | Tornado Likely |
| 1939 | 40 | 18 | 38 | 2.6-10.0 | <2.6->7.0 | Moderate Mesocyclone | Tornado Possible |
| 1944* | >45 | >29 | 35 | 2.3-9.0 | <2.2->7.0 | Strong Mesocyclone | Tornado Likely |
| 1949 | 35 | 20 | 32 | 2.0-11.5 | None | Moderate Mesocyclone | Tornado Probable |
*Indicates tornado on the Ground.
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