bavandar

okalaahoma mein ek bavandar. chimneekaar saranchana patali naleeka ki tarah hai jo pruthvi se baadalon tak jaati hai. is bavandar ka neechala bhaag paaradarshi dhool ke baadalon se ghira hua hai jo satah par chalne waali bavandar ki tej havaaon ne upar utha diya hai. bavandar ki hava iski chimni ki trijya se bahut adhik vistaarit hoti hain.
bavandar

hava ke prachandataapoorvak chakran karne vaale stambh ko bavandar (bavandar ) kaha jaata hai jo pruthvi ki satah aur kapaasi varshi baadal donon ko jodta hai. kuchh durlabh avasthaaon mein aisa bhi paaya jaata hai ki yeh kapaasi megh ka aadhaar hota hai. inhein aksar tvistars athva chakravaat kaha jaata hai.[1] haalaanki mausam vigyaan mein 'chakravaat' shabd ka prayog vyaapak arth mein alpadaab vaale parisancharan ke liye kiya jaata hai.

bavandar vibhinn aakaar aur aakrutiyon vaale hote hain lekin ve aamtaur par sankshepan keep ke roop mein khikhte hain jinka sankeern bhaag pruthvi ki satah ko sparsh karta hai aur iska doosra sira dhool ke baadalon dvaara gher liya jaata hai. adhiktar bavandaron mein hava ki gati 110 meal prati ghanta (180 kimi/ghanta) se kam aur lagbhag 250 fut (80 mi) se adhik hoti hai tatha chhitraane se poorv kuchh meelon (kuchh kilometer) tak chalta hai. mukhya charam maan tak pahuainchane vaale bavandar 300 meal prati ghanta (480 kimi/ghanta) se bhi adhik gati praapt kar sakte hain tatha 3 kimi se bhi adhik vistaarit ho sakte hain evam darjnon meal (saikadon kilometer) pruthvi ki satah par chal sakte hain.[2][3][4]

sandarbh

  1. "merriam-webster.com" (angreji mein). meriym vebastar. http://www.merriam-webster.com/dictionary/cyclone. abhigman tithi: 19 April 2015.
  2. vuramain, joshuva (29 August 2008). "Doppler On Wheels [pahiyon par dauplar]" (angreji mein). center for seeviyr weather research. http://cswr.org/dow/DOW.htm. abhigman tithi: 19 April 2015.
  3. "Hallam Nebraska Tornado [hailam Nebraska bavandar]" (angreji mein). raashtreeya mausam seva (yooes). national oshanik end etamosfeyarik edaministreshan. 2 October 2005. http://www.crh.noaa.gov/oax/archive/hallam/hallam.php. abhigman tithi: 19 April 2015.
  4. Roger Edwards (4 April 2006). "The Online Tornado FAQ [bavandar par aksar poochhe jaane vaale prashn online]" (angreji mein). toofaan poorvaanumaan kendra. national oshanik end etamosfeyarik edaministreshan. http://www.spc.ncep.noaa.gov/faq/tornado/. abhigman tithi: 19 April 2015.