From Nextgov.com: PUFF, just like that Air Force predicts volcanic cloud path
Within minutes the computer model forecast where plumes of ash were headed, giving commanders valuable information about where to establish temporary operations and route aircraft.
Shortly after a volcano in Iceland erupted on April 14 grounding thousands of flights and their passengers in Europe, Air Force weather forecasters fired up a computer model to determine how the ash plume would affect the service's air operations, delivering its first forecast within 30 minutes, a top Air Force commander said.
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