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Down for Rain
Today is the fourth day of delayed departures in Cumberland
County, Kentucky. A weather system moving across this location from the
southwest is dumping rain this morning, so they're staying put. Temperatures
are expected to drop tonight across the Midwest and into Tennessee, which
will bring winds from the north. With luck, this could help the ultralight-led
cranes get going again. We also hope it will convince Crane #214, the
only "ultra-crane" that has not yet begun the journey south--to
get moving! Check back tomorrow!
This! Journaling Question
migration faces the tough challenge of rising above and crossing
Walden Ridge on the next leg of their journey. In
the wild, the birds could climb with the air of thermals, but now
they have to flap their wings. The
ultralights are equipped with vertical
speed indicators. "With full power the airplanes can climb
at 750 to 1000 feet per minute," says OM pilot Joe Duff, "but
the birds can only climb about 100 feet per minute." Getting
them up to 4000 feet takes a long time and uses a lot of their
How long might it take the birds to climb up to 4000 feet so they
can clear the mountain ridges safely?
you caught up with the important journaling challenges that appeared
in our Saturday
and Sunday reports?
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