Gov't Also Lowers 2007 Hurricane Forecast

Despite the slight reductions, NOAA said atmospheric and oceanic conditions mean that the season likely will be more active than normal. On average, there are 10 named Atlantic storms and six hurricanes, three of them major.

Federal forecasters' move Thursday follows that of Colorado State University hurricane researcher William Gray, who slightly lowered his forecast last week.

Gray's initial projection called for 17 named storms and nine hurricanes, five of them intense. He revised it to 15 named storms and eight hurricanes, four of them intense.

After the battering by hurricanes Katrina and Rita in 2005, there were widespread fears last summer of another powerful storm striking. But the unexpected development of El Nino -- the periodic warming of Pacific Ocean waters that affects wind patterns and tends to result in fewer Atlantic storms -- helped dampen conditions.

No destructive storms hit the U.S. last year, but forecasters warned this year that El Nino is over, which could prompt conditions that encourage the development of additional storms.

The season has been tame so far, but August typically marks the start of the most frenetic months of Atlantic weather.

Just as federal forecasters announced their initial seasonal projections in late May, Subtropical Storm Andrea developed about 150 miles (241 kilometers) northeast of Daytona Beach. The storm skirted the southern Atlantic coast but caused minimal damage.

Tropical Storm Barry formed on June 1, the first official day of hurricane season, and brought needed rain to drought-parched Florida.

Last year, there were 10 tropical storms in the Atlantic and just two made landfall in the United States.

• 2007 Hurricane Guide
• Natural Disasters: Top 10 U.S. Threats
• Forecasters Predict Fewer Hurricanes