Uqhwithela lwasebusika oluqhekezayo lubeka iindawo zalo emantla mpuma kule mpelaveki, apho kunokwenzeka ukuba ukuya kwi-intshi ezingama-40 zekhephu ezinokuwa. I-Winter Storm Harper yenza indlela kwilizwe lonke, sele ilahla inkunkuma iisentimitha ezintlanu zekhephu kwiintaba zaseCalifornia kwiiyure nje ezimbini . Uqhwithela kulindeleke ukuba luzise iimeko ezinjenge-blizzard kuwo amathafa amathafa ngoLwesihlanu ukuya kwangoko ngoMgqibelo, ngekhephu kulindeleke ukuba likumazantsi asentla e-Arkansas. Uqhwithela kulindeleke ukuba lubethe empuma-mpuma ngeCawa kwaye mhlawumbi luhlale ubusuku bonke. Phambi kokudlula kukaHarper, iChicago, iMilwaukee, iCleveland, iDes Moines, iPittsburgh, iBuffalo, iAlbany, iBoston, kunye neProvidence ziphantsi komlindo wesaqhwithi sasebusika okanye isilumkiso. Ngaphezulu kwezigidi ezingama-200 zaseMelika kulindeleke ukuba zijongane namaqondo obushushu angaphantsi kwengqele njengoko isaqhwithi sihamba kwilizwe liphela. Iinqwelo-moya sele zivumela abakhweli ukuba bazityhalele emva iindiza zabo ezicwangcisiweyo. Iindiza zaseMelika abakhweli ngeenqwelomoya nge-18 kaJanuwari ukuya kwi-19 kwizikhululo zeenqwelomoya ezininzi eMbindi naseMidwest US (kubandakanya iOhio, Illinois, Iowa, Missouri, Michigan, Indiana, Wisconsin naseNebraska) baya kuba nakho ukutshintsha iinqwelomoya zabo simahla kude kube nguJan. 23. Abo bahambela eMntla-mpuma (kubandakanya izikhululo zeenqwelo moya eNew York, eMassachusetts, ePennsylvania, eMaine, eVermont naseNew Hampshire) nge-19 ne-20 kaJanuwari nabo banelungelo lokufunda kwakhona simahla. IJetBlue abakhweli abachaphazeleke yiWinter Storm Harper eMidwest, Northeast, naseNew England kwimimandla banokuphinda babuyekeze ixesha lokuhamba ababhukishe ngoJanuwari 19 no-20. Ukubhalwa kwencwadi yokubhala iincwadi kusebenza ngokusemthethweni ngoJanuwari 23. Umanyene Abaphengululi abanezicwangciso zokubhabha kwizikhululo zeenqwelo moya ezikumantla mpuma ngoJan 19 no-20 bangaphinda babhale ngoJanuwari 23. Abagibeli beDelta kwi Amathafa akuMbindi kunye neOhio Valley banokwenza olunye usuku lokuhamba ababhukishe ngalo uJanuwari 18 no-19 Emantla mpuma nge-19 kaJanuwari ne-20 banokubhala kwakhona simahla. Ukuya nokubuya eBoston ebhodini Iinqwelo-moya zeAlaska ngoJanuwari 20 ungabhukishwa simahla ukusuka nge-21 ukuya kwi-25 kaJanuwari.