Page:CAB Accident Report, Northwest Airlines Flight 1.pdf/18

Rh By 2:30 p.m EWT (12:30 p.m MWT) the trough associated with the upper cold front had broadened somewhat and become orientated in a northwest-southeast direction extending from southeastern Montana through Western Nebraska.

Precipitation had spread eastward to Bismarck, N. D. and continued west of Bismarck with ceilings seven to twelve hundred feet Dickinson to Billings and visibilities two to four miles in light rain and light fog. Miles City reported overcast with ceilings estimated seven hundred feet and visibility one and one-half miles with light rain. Lower scattered clouds were reported at four to five hundred foot in the rain areas west of Golva, N. D.

Reports made at 11:30 a.m. MWT at stations in North Dakota and Montana were as follows: