By Doug Struck
Washington Post Staff Writer
Monday, August 20, 2007; Page A08
FRESNO, Calif. -- Steve Johnson scans the hot, translucent sky. He wants to make rain -- needs to make rain for the parched farms and desperate hydro companies in this California valley. But first, he must have clouds. The listless sky offers no hint of clouds.
Inside a darkened room near the Fresno airport, Johnson's colleagues study an array of radar screens. If a promising thunderstorm appears, Johnson will send his pilots into it in sturdy but ice-battered single-engine planes, burning flares of silver iodide to try to coax rain from the clouds.
Read More