Members of the family Rhinotermitidae (e.g., Coptotermes) require access to moisture and cannot survive prolonged dry periods.
Over much of the southern Malay Peninsula and insular Southeast Asia there is little or no prolonged dry season.
A scientist investigating the incidents said he believed that the most likely explanation in the drought-stricken state was lightning balls, common during prolonged dry spells.
Many of these day-long jumps in soot and smoke have come from a worsening wildfire situation across the US, especially in areas experiencing prolonged dry conditions.
There is little reliable seasonal variation, but the months of March through May offer the best chance of prolonged dry spells.
But water levels at hydroelectric plants have fallen to less than one-third of capacity as a result of the prolonged dry spell, which has affected even some tributaries of the Amazon.
Those forests, dominated by trees of moderate height, notably of leguminous species, are found widely throughout northern South America, where the climate is characterized by a prolonged dry season, notably in Venezuela, Colombia, and the Brazilian Highlands.
After prolonged dry spells, such as we have had in recent years, the top layer of soil must become saturated before moisture can start dripping down into the lower strata.
The second type of tropical climate the tropical wet-dry, or savanna (grassy parkland), type is characterized by high temperatures (all monthly means above 64 °F, or 18 °C) but receives less precipitation and experiences a prolonged dry season.
Under prolonged dry season and drought conditions, the productivity and performance of most animals are significantly affected by the lack of water and feed resources.
The rainfall is episodic in occurrence, alternating with a prolonged dry season and considerable variation from year to year in total annual rainfall.
