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08-01 08_01.JPG |
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| Title: | TORNADOES CAN TRAVEL LONG DISTANCES |
| Caption: | In a span of 3 1/2 hours the Tri-State tornado of March 18, 1925, traveled 350 km (217 mi.) from Reynolds Co., Missouri, across Illinois to near Princeton, Indiana. Traveling at an average speed of 100 km (62 mi.) per hour, this tornado varied from 1 to 1.5 km (0.5 to 1 mi.) in width. The numbers from 1301 to 1630 along the tornado track refer to the time of day. (After Wilson, J. W., and Changnon, S. A. Jr. 1971. Illinois tornadoes. Illinois State Water Survey Circular 103. Urbana, IL) |
| Keywords: | atmosphere, air pressures, atmospheric pressures, lows, tornadoes, cumulonimbus clouds, winds |