21. Sunlight is reflected from Uranus's cloud tops , which lie beneath a layer of methane gas. 22. However, land interaction soon impacted the typhoon, as its convective cloud tops  had become warmer. 23. By the early evening, it acquired supercellular characteristics, and cloud tops  reached 60, 000 feet high. 24. An ash cloud was reportedly drifting to the south west with the cloud top  around altitude. 25. Despite this cloud tops  associated with Connie began to warm, even though the eye remained well-defined. 26. Precipitation from IR images is based on statistical relationship between cloud top  temperature and precipitation rates. 27. Dimmer ship tracks are hypothesized to occur when the air above the cloud tops  is sufficiently dry. 28. Although the storm had intensified, its overall structure had deteriorated, with cloud tops  warming and convection shrinking. 29. Soon Roke started weakening as cloud tops  started getting warmed up and eye diameter started to decrease. 30. Central Argentina, which includes the Pampas to the east, and the convective cloud tops , in the world.