High winds disrupted street jam (3,6)

I believe the answer is:

jet stream

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'high winds disrupted street jam' is the definition.
I can't tell whether this defines the answer.

'disrupted street jam' is the wordplay.
'disrupted' indicates anagramming the letters.
'street'+'jam'='streetjam'
'streetjam' with letters rearranged gives 'JET-STREAM'.

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(Other definitions for jet stream that I've seen before include "Strong westerlies" , "High-altitude, high-speed wind" , "flow behind aircraft" , "Upper atmosphere current" , "High atmospheric westerly current" .)

I've seen this clue in The Times.

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