Satellite Analysis Branch
Encyclopedia
The Satellite Analysis Branch, part of NESDIS' Satellite Services Division, is the operational focal point for real-time imagery products within NESDIS. It is also responsible for doing Dvorak technique
Dvorak technique
The Dvorak technique is a widely used system to subjectively estimate tropical cyclone intensity based solely on visible and infrared satellite images. Several agencies issue Dvorak intensity numbers for cyclones of sufficient intensity...

 intensity fixes on tropical cyclones.

Its primary mission is to "operate new proof of concept satellite analysis techniques needed to support disaster mitigation and warning services" for the U.S. government and its agencies. It also distributes real-time satellite imagery from geostationary satellites. The SAB also produces graphics for Tropical Rainfall Potential forecasts for all tropical systems in the Western Hemisphere
Western Hemisphere
The Western Hemisphere or western hemisphere is mainly used as a geographical term for the half of the Earth that lies west of the Prime Meridian and east of the Antimeridian , the other half being called the Eastern Hemisphere.In this sense, the western hemisphere consists of the western portions...

 and many in the Eastern Hemisphere
Eastern Hemisphere
The Eastern Hemisphere, also Eastern hemisphere or eastern hemisphere, is a geographical term for the half of the Earth that is east of the Prime Meridian and west of 180° longitude. It is also used to refer to Europe, Asia, Africa, and Australasia, vis-à-vis the Western Hemisphere, which includes...

.

Away from tropical cyclones, the SAB functions as the Washington
Washington, D.C.
Washington, D.C., formally the District of Columbia and commonly referred to as Washington, "the District", or simply D.C., is the capital of the United States. On July 16, 1790, the United States Congress approved the creation of a permanent national capital as permitted by the U.S. Constitution....

 Volcanic Ash Advisory Center
Volcanic Ash Advisory Center
A Volcanic Ash Advisory Center is a group of experts responsible for coordinating and disseminating information on atmospheric volcanic ash clouds that may endanger aviation. As of 2010, there are nine Volcanic Ash Advisory Centers located around the world, each one focusing on a particular...

, having been designated as such by the International Civil Aviation Organization
International Civil Aviation Organization
The International Civil Aviation Organization , pronounced , , is a specialized agency of the United Nations. It codifies the principles and techniques of international air navigation and fosters the planning and development of international air transport to ensure safe and orderly growth...

in 1997. It also does snow and ice analysis, and has done so, along with its parent organizations NESDIS and SSD, since 1966.

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