Local weather forecast by
"City, St" or zip code |
Search by city or zip code. Press enter or select the go button to submit request
|
|
|
To NWS Birmingham Home Page
|
Mt. Carmel-Altoona F4
| Time (Z) | Rotational Velocity | Shear | Range | Mesocyclone | TVS | Mesocyclone Nomogram Value | Rotational Shear Nomogram Value |
| 1859 | >45 | >39 | 36 | 2.6-15.0 | None | Strong Mesocyclone | Tornado Likely |
| 1904 | >45 | >24 | 39 | 2.9-17.0 | <2.8->9.0 | Strong Mesocyclone | Tornado Probable/Likely |
| 1910 | 40 | 31 | 42 | 3.2-12.5 | <3.1->9.0 | Moderate Mesocyclone | Tornado Likely |
| 1915 | >50 | >32 | 45 | 3.5-13.4 | <3.5->10.0 | Strong Mesocyclone | Tornado Likely |
| 1920 | >45 | >37 | 49 | 3.9-9.4 | None | Strong Mesocyclone | Tornado Likely |
| 1925* | >55 | >37 | 51 | 4.2-15.5 | None | Strong Mesocyclone | Tornado Likely |
| 1930* | >41 | >58 | 55 | 4.7-16.9 | None | Strong Mesocyclone | Tornado Likely |
| 1935* | 26 | 28 | 58 | 5.1-17.4 | None | Minimal Mesocyclone | Tornado Likely |
| 1940* | 40 | 52 | 62 | None | None | Strong Mesocyclone | Tornado Likely |
| 1946 | 35 | 34 | 64 | 5.9-20.3 | None | Moderate Mesocyclone | Tornado Likely |
*Indicates tornado on the Ground.
|
|
www.weather.gov 
National Weather Service Forecast Office
Back to home page
