11. With the arctic front now lying south of New England, there will be more occasions for snow. 12. The same arctic front that blanketed most of the Midwest dumped nearly a foot of snow on Victoria. 13. Next week, the arctic front will reach the United States, yielding the most widespread cold of the winter. 14. A powerful arctic front , accompanied by a brief burst of blinding snow, cut across the Northeast early Sunday. 15. Mesoscale cyclones known as polar lows can form along the arctic front in the wake of extratropical cyclones. 16. The Arctic front will impart a glancing blow to the Northeast as it pivots east-northeast toward the Canadian Maritimes. 17. The bitter air has been locked north of the arctic front , a semipermanent feature which occasionally reaches the midlatitudes. 18. Very cold air will surge into the western high plains of Montana and North Dakota behind an arctic front . 19. Consequently, the plumes were determined to be excellent indicators of the location of arctic fronts and jet stream activity. 20. Gusty winds behind an arctic front in western Ontario brought forecasts by Environment Canada for wind chill values around 1600.
