Possible Clues:

• Fury shown as lid is missing from crate
• How the end of 18 down might make one 25 down
• Forest worker heading off blaze of this?
• Get really hot
• Risk losing head or spleen
• Hot displeasure; enrage
• Get hot
• The rage around the North makes it cross
• Cross enough to rage about nitrogen
• Emotion of man fishing without line