Kar hmasa khan kan awmna Frederick, MD leh Washington metro area chu khua a nuam ngang mai. Nipui thlen hma chapchar hunlai ang boruak vel a ni hial awm e. January ni 5, 2014 khan a vawt tawh viau nangin lo thleng mek hmahruai lek ala ni. January 6, 2014 zan aṭang erawh kha chuan a dan a dang ta zar thung! “Polar vortex” an tih mai, polar hurricane an tih bawk, thli vawt tak mai chuan North America a rawn tuam chhuk ta ṭuam ṭuam mai a ni.
Kan hriat angin North Pole-ah hian thlaruk khua a thim ṭhin a nih kha. Chutih lai chuan boruak tilum thei nizung a awm loh vangin a vawt zual em em ṭhin a, chumi tizual tur chuan khawvel vir rualin chulai boruak chuan North Pole chu a vir pui mup mup mai ṭhin a ni. A changin, a bik takin polar region/frigid zones a vur awmte chu a tuiral tam changin chulai a thli vawt vir vut vutte (Polar Vortex) chuan anawmna an chhuahsan ta ṭhin a, tunah hian North America a rawn tuam mek a ni.
Chicago velah chuan an thli vawh zawng chu -35.F a tling a, kan awmna khua Frederick, Maryland state-ah pawh ka ziah mek lai hian pawn thlivawh lam chu -12.F a tlingin, kum 20 chhung a a vawh ber ala ni nghe nghe awm e. Hmun ṭhenkhatah chuan vur surin feet 3 te a tling a, kum 100 chhung a a vawhber ṭumte, kum 40 chhung a avawh ber ṭumte, chutiang chuan a hun danglam mahse, an mahni record breakna hmun a tam kher mai. Tui chhuanso hlim pawn a an thehchhuah pawhin vurah a chang nghal thei hial a ni.
Midang lak:
Han sawi belh ta mai mai ila, khawvawtah hian inthuam lum a pawimawh mai a ni lova, inthuam lum dan dik a pawimawh tel em em bawk a ni. Mizoramte angah chuan hetiang khawvawt hi kan pi leh pute chanchin kan hriat theih chinah kan la tuarlo a ni maithei. Chumi vang chuan kan ngaihthah erawh a ṭhain ka hre chuang lo thung. Fire & Rescue lam a min zirtirna dan angin thuamhnaw lum hak dan kan ziak tel ang e:
Vawt lutukah hian thuamhnaw chhah tak tak ha nghal lovin, chhah lutuk lo thuah thum emaw a thuamhnaw hak a ṭha hle. Thuamhnaw chu thuah thum (Layer 3), base layer, insulation layer, leh protective outer layer ah ṭhenin, a hnuaiber-ah chuan polyester, nylon, spandex, leh lycra te hi a ṭha a, a dawt lehah chuan lum kaltlang theilo tur chi hak tur a ni. A chungberah chuan cotton hak pawh a pawi tawh lo. Cotton hi khaw vawt lutukah chuan taksa dep a hak chuan hnawm a khawl a chumi chuan taksa lumna a tih hniam chak theih em em avangin a ṭhalo thei hle a ni.
Hriat chian duh tan:
http://www.cnn.com/2014/01/06/us/polar-vortex-explained/