Related Clues:

• Hung over
• Arose
• Was foreboding
• Was imminent
• Came menacingly into view
• Suddenly arose
• Came into view
• Was in the offing
• Appeared on the horizon
• Appeared, in a threatening way
• Rose up suddenly
• Was threatening
• Rose menacingly ahead
• Appeared indistinctly, as in a mist
• Soared threateningly ahead