Sand goanna the scent is stronger. Upon identifying this difference in scent strength the sand monitor can alter its direction accordingly. 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
Hail spike storm and far enough apart that each core can be sampled by the radar individually. Because of their observed accuracy in indicating large hail aloft, TBSS's are used operationally by the National Weather Service to identify thunderstorms that could likely produce large, severe hail. This would warrant the issuance of a severe thunderstorm warning or mention of large hail in a tornado warning. Hail spike A hail spike or three body scatter spike (TBSS) is an artifact on a weather radar display indicative of large hail. They are identified by a spike of weak reflectivity echoes that extend out from