Meteorological DataCriteria

Current MET from station within 20 km of FPs.

Current MET from nearest station outside of 20 km from FPs.

MET over 2 hours, but from station within 20 km of the FPs.

Note: 4 hour MET can be used except during transitions.

P 4-14

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Title: Meteorological Data Criteria

Dialogue: The order of preference of various sources of met data for use by MLRS units is:

Current met message from a station within 20 km of the launch point.

Current met message from the nearest station more than 20 km from the launch point.

Met messages more than two hours old but from a station within 20 km of the launch points. A 4-hour old met message may be used except when day/night transitions or frontal passages are occurring.