It is remotely possible that a tropical storm forming far out in the Atlantic will turn into a hurricane named Isaac and track over Tampa as Republicans gather their for their presidential nominating convention. The odds of this happening are long, but stormwatchers are paying attention. So are ironists.

"MEMPHIS, Tenn. -- Nearly 100 boats and barges were waiting for passage Monday along an 11-mile stretch of the Mississippi River that has been closed due to low water levels, the U.S. Coast Guard said."

"RICHMOND -- The chairman of the U.S. Chemical Safety Board toured the scene of the Chevron refinery fire Monday and released photos of the gigantic vapor cloud that loomed over Richmond before it caught fire."

"MANTON, Calif. — Aided by a shift in wind direction, firefighters made a stand against a huge lightning-sparked wildfire burning on the edge of three small Northern California towns."

"Royal Dutch Shell is spending billions of dollars to drill the first oil wells in U.S. Arctic waters in 20 years, backed by an Obama administration eager to show it wasn't opposed to offshore exploration. But the closely watched project isn't going the way the company or the government hoped—illustrating the continuing challenge of plumbing for natural riches in one of the world's most unforgiving locations."

"OKLAHOMA CITY (AP) — High temperatures and an ongoing drought are having an impact on more than just crops and livestock. State health officials say they are also creating ideal conditions for the growth of a tiny, single-cell organism that lives in Oklahoma's rivers, lakes and ponds and can cause a disease that is almost always fatal."

"AZTEC, N.M. — The land is parched, the fields are withering and thousands of the nation’s horses are being left to fend for themselves on the dried range, abandoned by people who can no longer afford to feed them."

"ABOARD THE DREDGE POTTER, on the Mississippi River — This ship is making sure that the Big River, shrinking under one of the worst droughts in modern history, stays deep enough."

"Landslides killed more than 32,000 people across the world from 2004 to 2010 - up to 10 times more than previously thought, the first detailed study of the disasters showed on Thursday."

"ANCHORAGE -- Shell Oil's delay in drilling Arctic Ocean exploratory wells off Alaska's northern shores is not due to heavy ice or federal regulators, according to Interior Secretary Ken Salazar."