GR translation: her scrawled face streaming with lube-green shadow, yellow light

[Mike Jing]

V532.16-19, P541.16-19   The Frau heads south, along the other coast of
Rügen, into the straits by way of the Bug. The storm keeps pace, as night
comes down. “We’ll put in at Stralsund,” her scrawled face streaming with
lube-green shadow, yellow light, as the oil-lantern sways in the pilot
house.

What does "scrawled" mean here?
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