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OSEI volcano products include multichannel color composite imagery showing ash clouds (VSH), hotspots from lava
flow (VIR) or both (VOL). We also create grayscale "split-window" images which use a channel differencing
technique that enhances the appearance of ash clouds in imagery (DIF). This technique is oftenuseful for
distinguishing ash clouds from water vapor clouds.
The Washington Volcanic Ash Advisory Center has real time satellite imagery and derived advisory products at: |
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Links
OSEI Home Educational Resources Significant Event Imagery
(Courtesy of NGDC) Related Links
DISCLAIMER
These web pages are designed and maintained by the Operational Significant Event
Imagery support team and the Environmental Applications Team (EAT) of the
Satellite Services Division (SSD) of NESDIS.
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