21. The nor'easter evolved from a complex series of low pressure areas . 22. This causes a low pressure area over the northern and central Indian subcontinent. 23. A persistent low-pressure area south of Kusaie was first noted on March 14. 24. Surface friction also causes winds to blow more inward into low pressure areas . 25. The high-pressure area fluctuates with upper-level weather patterns in constant motion. 26. The song's lyrics reference a low-pressure area of weather hitting Britain. 27. A weak, moisture-starved low pressure area will move rapidly east from the eastern Dakotas. 28. Olaf originated from a broad low pressure area that formed late on October 10. 29. Phet continued into western India, where it degenerated into a remnant low pressure area . 30. I removed original research from a caption in High-pressure area .
