Optional standard mileage rates for use of a vehicle will change a little for 2015, the IRS announced on Wednesday, with the business use rate going up and the medical and moving rate going down (Notice 2014-79).
Thunderstorms are caused by a collision of warm air and cold air. A thunderstorm is a cloud formation where large amounts of water undergoes a cycle of condensation, freezing then revaporizating as the currents of vapor within the cloud rises and falls. This produces static electricity which discharges as lightning. Thunderstorms are caused by a collision of warm air and cold air. A thunderstorm is a cloud formation where large amounts of water undergoes a cycle of condensation, freezing then revaporizating as the currents of vapor within the cloud rises and falls.
A thunderstorm is defined as: In general, a local storm, invariably produced by a cumulonimbus cloud and always accompanied by lightning and thunder, usually with strong gusts of wind, heavy rain, and sometimes with hail. (AMS Glossary of Meteorology). The aviation weather code for a thunderstorm is TRW. T=thunder.