Monday, March 28, 2011

March 26 [Day 22] (Joel Duncan) The temperature was -5C at 0900 and rose to a high of 0.5C at 1400, falling again to -2.5C at 1900. Ground winds were N-NE 8-12 occasionally gusting 20 km/h and ridge winds were moderate SW-SSW gusting to 30 km/h. Cloud cover was initially 90% cumulus, stratus with some valley fog which lifted and thinned to 30% cumulus, stratus and cirrus by 1100 which gradually again thickened to 1005 stratocumulus and cumulus by the end of the day. All ridges were obscured until 1000 when they became 50% clear with variable draping. The east was completely clear after 1100, but the west was 25-75% obscured for the rest of the day. Once again, despite the unpromising initial weather conditions, there was strong raptor movement with 315 birds migrating between 1132 and 1903 with a peak movement of 103 (4 Bald and 99 Golden Eagles) between 1700 and 1800. The flight comprised a season-high 17 Bald Eagles (6a, 6sa, 5j), 1 adult Northern Goshawk, 1 light morph Rough-legged Hawk, 293 Golden Eagles (111a, 5sa, 8j, 69u) and 3 unidentified eagles. Non raptors recorded included 2 Dark-eyed Juncos (Slate-coloured forms), 50 California Gulls that flew high to the north above the Fisher Range, and a Pileated Woodpecker that flew low overhead. 10.25 hours (240.75) BAEA 17 (92), NOGO 1 (6), RLHA 1 (8), GOEA 293 (1857), UE 3 (9) TOTAL 315 (1980)

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