ARC Met Products
Click on desired valid date

Ames Trajectory Products are reported at multiple levels for the ATTREX region.
All products are based on back trajectories using the NCEP Global Forecast System.
Complete product suites will generally be available 2 days ahead of the valid time.
Data for a particular day is generally available on that date at 20:45 GMT.

The Products are:

RDF EPV Air Mass Origin
Convective History at 43 kft (10-d back trajectory)
Convective History at 48 kft (10-d back trajectory)
Convective History at 53 kft (10-d back trajectory)
Convective History at 58 kft (10-d back trajectory)
Convective History at 58 kft (5-d back trajectory, convective scheme without cloud forecasts)
Convective History at 58 kft (5-d back trajectory, convective scheme without cloud forecasts)

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