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Dr. Jeff Masters' WunderBlog
July hurricane outlook
Thursday, July 2, 2009, 19:26 GMT
Atlantic tropical cyclone activity typically picks up a bit during the first half of July. Since the current active hurricane period began in 1995, seven of 14 years (50%) have had a named storm form during the first half of July. The busiest first half of July occurred in 2005, when three hurricanes formed. These included Hurricane Dennis and Hurricane Emily--the strongest hurricanes ever observed so early in the season. As seen in Figure 1, most of the early July ... Read More
This is the official hurricane forecast center of the United States. If you visit one site, this is the place to go to get the latest official information. When a tropical feature has reached depression status, the front page will feature what you need to look at. Take a look at the "Public Advisory" which will appear on the front page under the heading of the tropical feature for easy to understand language. The site also features the expected track of the storm.
Navy Research Laboratory (NRL) Monterey Marine Meteorology Division: Tropical Cyclone Page
This is an excellent resource. It provides wonderful visible satellite images of current cyclones and developing disturbances. It has an incredible amount of other data. This is usually the first site you will want to visit to see if a storm is developing. Under the "Atlantic" heading in the left column, you will see something like "90L.INVEST," which is an area of disturbed weather that is being monitored. This is not yet located on the front page of the NHC site. The NRL site, often referenced as the "Navy site," will usually have these areas of investigation listed before any other site. They do not always develop. When storm reaches depression status, then it will be located on the NHC's site. These areas of disturbed weather are numbered 90 through 99. When the number 99 is reached, we go back to 90.