Sand goanna Sand goanna The sand goanna ("Varanus gouldii" ) is a species of large Australian monitor lizard, also known as Gould's monitor, the sand monitor, or racehorse goanna. In some Aboriginal languages, the sand goanna is called "bungarra", a term also commonly used by non-Aboriginal people in Western Australia. In Pitjantjatjara and other central Australian languages it is called "Tingka". The name "sand monitor" can be used to describe various other species. The specific name, "gouldii", is a Latinised form of the name of the scientist who first described this species, English ornithologist John Gould. "Nota bene": A trinomial authority in
Hail translucent ice at least thick, which are deposited upon the hailstone as it travels through the cloud, suspended aloft by air with strong upward motion until its weight overcomes the updraft and falls to the ground. Although the diameter of hail is varied, in the United States, the average observation of damaging hail is between 2.5 cm (1 in) and golf ball-sized (1.75 in). Stones larger than 2 cm (0.80 in) are usually considered large enough to cause damage. The Meteorological Service of Canada issues severe thunderstorm warnings when hail that size or above is expected. The US National Weather