Thursday was the one-year anniversary of Hurricane Dolly, which when it struck South Texas became the Rio Grande Valley's most destructive storm in four decades.
A maturing El Nino in the Pacific Ocean, which tends to depress storm activity by 20 to 40 percent, makes the outlook for the rest of the season look promising.
But forecasters say it's no time to relax and El Nino years can still produce destructive storms.
The 2004 season didn't get its first storm until Hurricane Alex began developing on July 31. After Alex, the season finished with 15 storms and six major hurricanes, including Hurricane Ivan.
One of the three most-intense storms at a U.S. landfall, Hurricane Andrew, developed during an El Nino in 1992.
Some of the most famed storms to strike Texas and Louisiana have come during an El Nino, including the great storm of 1900, said Jill Hasling, president of Houston's Weather Research Center.
"There might be fewer storms during an El Nino," she told the Houston Chronicle for its Thursday editions. "But it only takes one."
Ten tropical storms or hurricanes develop during an average Atlantic season, but since 1995 the Atlantic has seen an upswing in activity. Most scientists attribute that to a long-term natural pattern.
Given this season's slow start and the onset of El Nino, most seasonal forecasters now say about 10 named storms will form, one of the lowest totals of the past 15 years.
The Atlantic hurricane season runs from June 1 to Nov. 30.
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