Feature of this puzzle's theme answers?

Question:

Length:

Similar Crossword Questions:

Weather Channel feature (it's the puzzle theme found in a quintet of answers)
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This puzzle's theme found in the answers to five asterisked clues
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What each completed pair of theme answers in this puzzle is
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Surplus integral to this puzzle's theme answers
Reservoir, and hint to puzzle theme found in seven long answers
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Plummet ... or what this puzzle's theme answers do?
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Classic breakup line, and a hint to the formation of this puzzle's theme answers
Feature of six other long answers in this puzzle
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Element of surprise in this puzzle's theme answers
Proper sort ... or a cry upon solving each of this puzzle's theme answers?