Show tornado whims puzzle to science vagaries make research work very difficult washington the vagaries of tor for addes one variety ot of which racen recently t y ruffed out were more than lives 1 in the middle west have almost completely a plate I 1 y baal baffled c it the researches of set 1 an ence the suddenness with which they strike tr i he and the destructive force farm of th their r ot I 1 ack have made scientific baudy I 1 y extremely difficult prof rf william 3 humphreys of the ill went weather er bureau describes desi ribes a force tor do as R violent rotating star storm of small it ill dl mens mell lons lors the chances chance are all he be says my that not once in 1000 years would a tornado hit the same me spot twice namat no comes acon s from africa the name tornado originally we waa a applied ap pp 1 led to a violent thol thunderstorm derst rm on t the be w wt west t coast at of africa the variety of it storm in now boa called lied by that name however believe Is peculiar to the mississippi valley region of the united states rod and rarely occurs in any other blue part pan ot the world rid do dottor tile humphreys humphre a ree rec or do show how the that I 1 it d does not at occur west ot of denver 1 la found filled rely only occasionally in southern gout liero C canada do la IS rare ran 1 in the eastern micro part of the united states and Is 11 not at destructive in or east of f the allegheny mounted mountains except acid I 1 in al ala below bama and georgia the explanation 1 ts that it alio rocky mountains extending gaile generally if north and ad south oil said guide the it cold sir air draining draining to the south bouth from the C canadian dle rocky bocky region tile the drift of w winds I 1 ad comes come totsa the warm waters ot of the gulf gait of mexico and start north earth arrom across the united stales the th meeting eve eting of these theme cold and warm r currents ot it air starts an up a rc latSos between them doctor hwd ab ex plot plaint adding that no other pa part t of the world has box that geographic ran con bigum t him matu 1 as 1 ID in the a rocky G gulf u if area are left le than mill mile high the passage of these currents curre niB 11 ho 11 violent ilat rotations rota tlona at c loud cloud levels levela and ad uie tile whirl beats beat itself down to the bottom usually trova from a level foist of less the than a mile 11 above b the earth to the round ground uhe tornado only ocean tn in connection with a big rain min or snow allow bringing lorm am nod and is usually from 10 1000 00 to I 1 M feet wide the pei ullar abe phenomenon bauma of the tornado skipping striking a spot and jumping oter oer a stretch ot at country leaving it undisturbed Is IB not at so welt well understood the upper part pan ol of the tornado seems tor far some same reason 1 to move ah baud end reason breaking off it a lower war portion and ad then don as 98 it speeds speed on ne the whirling ning wind win it finds iti it way my to the ge ground ad gain again |