Meteorology · Fronts
The clouds most characteristic of an active cold front are:
- ATowering cumulus and cumulonimbus, often with squalls and thunderstorms✓ Correct
- BThin, featureless stratus only
- CHigh cirrus with no precipitation
- DFog at the surface with clear skies above
Explanation
A cold front's steep leading edge forces warm air up rapidly, building cumulus and cumulonimbus with heavy showers, squalls, gusty wind shifts, and thunderstorms, usually along a narrow band followed by rapid clearing.
Authority: Bowditch (Pub. No. 9)
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