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(News-Press) The National Hurricane Center is monitoring five tropical weather patterns Thursday -- Hurricane Cristobal and four tropical disturbances.

One disturbance is in the Caribbean Sea, a second off the coast of Texas, one that just spun off the west coast of Africa and another that's hovering over Guinea and should make its way into the Atlantic soon.

Although the number of storms is high for any single day in the tropical season, the mainland United States is not expected to be impacted over the next five days.

NHC meteorologists are giving the Caribbean system a 20 percent chance of formation by early next week. Hurricane Cristobal is moving into the North Atlantic, and the disturbance off Texas has a 10 percent chance of developing.

Weather monitoring outlets like Weather Underground are not currently showing the system in the Caribbean or the two near west Africa. NHC monitoring models typically show small disturbances sooner than other forecasting tools.

Meteorologists with various weather forecasting agencies say the tropics are, for the most part, not conducive to major storm formation this year.

The National Hurricane Center and Colorado State University -- two of the world's leading hurricane sources -- lowered their predictions for named storms and hurricanes in recent weeks.

A typical year, based on weather records dating to 1950, has 12 tropical storms, of which seven become hurricanes. A tropical storm has sustained winds of 39 mph; it becomes a hurricane when its winds reach 74 mph.

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