Tuesday, March 15, 2011

March 13 [Day 9] (Bill Wilson) The temperature was 0C at 0730 and rose to 8C at 1700 before falling again to 4C at 1950. Ground winds were mainly 10-15 gusting 25 km/h while ridge winds were SW all day gusting close to 100 km/h in the morning but moderating in the afternoon with gusts between 60 and 80 km/h. Initial cloud cover was 90% cumulus and altostratus reducing to 30% cumulus around noon before thickening again throughout the afternoon reaching almost 100% altostratus and cumulus by the end of the day, yielding mainly sunny or hazy sun conditions and an excellent observing backdrop. The western ridges were 40% obscured until 1400 but the eastern route was clear all day. The first of the day’s season-high 103 Golden Eagles was seen at 0850 and the birds moved steadily until the last one went north at 1913, the latest to be seen so far this year. The hourly Golden Eagle counts between 1000 and 1900 were 16, 7, 14, 5, 16, 8 10, 16 and 19. The flight comprised 97 adults, 1 subadult, 3 juveniles and 2 birds of undetermined age. The Bald Eagle count of 13 birds (12a, 1j) was also a season high. Birds recorded for the first time this season were 4 Common Redpolls and a male Red-winged Blackbird. 12.33 hours (100.6) BAEA 13 (20), GOEA 102, (187), UE 1 (1) TOTAL 117 (211)

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