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EGYPT 30 JANUARY 2011
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- Yellow = lights on.
- Blue = clouds.
- Magenta = lights obscured by clouds.
- Red = power outage.
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Lights Over Egypt Reveal Local Power Outages - Nighttime lights
imagery collected on 30 Jan 2011 by the USAF Defense
Meteorological Satellite Program (DMSP) have been used to
monitor the occurrence of power outages within Egypt during
this period of political strife. False color images prepared
by the Earth Observation Group of the National Geophysical Data
Center (NGDC) are used to identify regions of localized power
outages as indicated by absence of lighting in areas referenced
to the year 2010 stable lights mask (January-June). The
findings are that the power is on within most of Egypt except
for for some regional outages to the south and east of
Alexandria. Additional images and related information will be
posted as the situation within Egypt evolves. (Chris Elvidge, 303 497-6215).
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