Unusual cloud formation seen above Seria town this morning (7.02AM according to image EXIF) as my wife and I started to leave the tamu (open market) to get breakfast. Shortly after getting a parking space at Metro, drizzles began to dot the windscreen. It didn’t take long before flash storm started pouring down hard on Seria town.
“A shelf cloud is a low, horizontal, wedge-shaped arcus cloud. A shelf cloud is attached to the base of the parent cloud, which is usually a thunderstorm, but could form on any type of convective clouds. Rising cloud motion often can be seen in the leading (outer) part of the shelf cloud, while the underside often appears turbulent and wind-torn. Cool, sinking air from a storm cloud’s downdraft spreads out across the land surface, with the leading edge called a gust front. This outflow cuts under warm air being drawn into the storm’s updraft. As the lower cooler air lifts the warm moist air, its water condenses, creating a cloud which often rolls with the different winds above and below (wind shear).”