UMBRA


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AcronymDefinition
UMBRAUpper Mississippi River Basin Association
UMBRA[not an acronym] US Codeword for high grade SIGINT
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References in periodicals archive ?
Total eclipse begins : Also called totality, this occurs when the umbra completely covers the Moon, turning it a reddish brown colour
These continuous data showed that the strong field was always located at the boundary between the bright region and the umbra, and that the horizontal gas flows along the direction of the magnetic fields over the bright region turned down into the Sun when they reached the strong-field area.
The third stage of the eclipse, totality, starts when the trailing edge of the Moon enters the umbra. Timing this can be iffy, as the Moon's edge isn't as clearly defined as that of a smooth sphere, but once the last peak is in the umbra, totality begins.
The relatively-narrow path of umbra is about 112 km wide and as the above image shows, stretches from the state of Oregon to the state of South Carolina.
In short, umbrasearch.org brings together more than 400,000 digitized materials from over 1,000 libraries and archives across the country; and it celebrates the vital efforts of the individuals and institutions that have helped to preserve and make accessible online hundreds of thousands of pieces of African American history and culture, via the Umbra Society of the early 1960s, a group of Black writers and poets who helped create the Black Arts Movement.
Lunar eclipse occurs when the Moon passes directly behind the Earth into its umbra. This can occur only when the sun, Earth and moon are aligned exactly, or very closely so, with the Earth in the middle.
* Flooring: Hard Surface, Gold Award: Kinetex Umbra and Umbra Stripe, from J+J Flooring Group/Kinetex
Seventeen-year-old Jillian Cade runs a fake paranormal enterprise, Umbra Investigations, with help from her cousin Norbert, a freshman in high school.
This is especially true with the invocation of free jazz in Umbra and Black Arts poetry as a music of black resistance and liberation, an implicitly black nationalist music because white listeners could not fully comprehend its vernacular resonances.
Umbra Woodrow Waste Bin, PS20, Black By Design Ltd, tel: 01889 502716, www.black-by-design.co.uk Make the most of your iPod with this acoustic amplifier made of mouthblown glass.
The Bangsamoro Islamic Freedom Fighters (BIFF) has a new leader after the death of its founder Ameril Umbra Kato.
Umbra debuted its new design-oriented brand, Umbra Shift, at the show, which included a round bottle opener.