Monthly Archives: June 2011
Lightning travels both ways.
Lightning is a huge electrical discharge that results from vigorous motions that occur in thunderstorms. Lightning can travel from cloud . . . Continue reading
The heat index, or apparent temperature index, indicates how hot it feels. It is expressed as a function of air temperature and the relative humidity. . . Continue reading
Heat bursts are sudden, usually dramatic increases in the surface temperature, often accompanied by strong winds, that sometimes occur in the vicinity of a thunderstorm. Though they are not an everyday occurrence, they are not exceptionally unusual either . . . Continue reading
Brilliant beams of light extending from clouds are often seen during the early morning or early evening when the sun is shining. This phenomenon . . . Continue reading