dataengines/weather: Reset wind info when parsing new data
BUG: 481492
FIXED-IN: Depends on cherry-pick choices
We're at a weird point in time. It backports cleanly into 5.27(.11 eventually) and 6.0, but it doesn't justify a respin for 6.0.0.
I'd say let's just fill in the bugzilla field manually after all cherrys have been picked.