call sign KTDQ

Speed over ground: ~12 knots. Heading: East. Destination: active weather of the summer monsoon, to shed some light on the murky interactions at the boundary between warm sea and tropical atmosphere.

A suite of instruments probing the atmosphere above the ship: far left on the railing is a microwave sounder, inside the open container a W-band radar, and hosted on the center mast are direct-covariance flux instruments.