Three Hurricanes in the Atlantic Basin on Sept. 7, 2017, Including Powerful Irma

As of 10 a.m. EDT on September 7, 2017, three hurricanes were in the South Altantic Basin and were heading for predicted landfalls in the Caribbean Sea area, in Mexico, or on the U.S. southeastern coast.  Hurricanes Irma (Category 5 at this time), Jose (Category 1 at this time), and Katia (Category 1 at this time) are shown in the photo below, accessed from the National Hurricane Center (NHC), online at http://www.nhc.noaa.gov/gtwo.php?basin=atlc&fdays=2, at 10:15 a.m. EDT on 9/7/17.

Hurricanes Sep7

Hurricane Irma is a powerful storm threatening “catastrophic” damage, according to the NHC.  Following are the “key messages” on Irma from the NHC’s “Hurricane Irma Forecast Discussion” as of 9/7/17 at 5 a.m. EDT (online at http://www.nhc.noaa.gov/text/refresh/MIATCDAT1+shtml/071054.shtml?).

“1. Irma is a potentially catastrophic category 5 hurricane and will bring life-threatening wind, storm surge, and rainfall hazards to the northern coast of Hispaniola today, the Turks and Caicos tonight, and the Bahamas tonight through Saturday.

“2. A hurricane watch is in effect much of Cuba.  Irma is likely to bring dangerous wind, storm surge, and rainfall to portions of these areas on Friday and Saturday.

“3. The threat of direct hurricane impacts in Florida over the weekend and early next week continues to increase.  Hurricane watches will likely be issued for portions of the Florida Keys and the Florida peninsula later this morning.”

Information about the current status, predicted tracks, and actual and potential impacts for the current storms (and other tropical cyclones) is available from the NHC online at http://www.nhc.noaa.gov/.

Another photo of Irma, plus a graph of the storm’s predicted track as of 8 a.m. EDT, are shown below.

Hurricane Irma

Hurricane Irma centered over the island of Hispanola (Haiti and the Dominican Republic), 9/7/17, 9:45 a.m. EDT (1345Z of UTC).  Photo taken from the National Oceanic and Atmospheric Administration (NOAA) Web site at http://www.goes.noaa.gov/browsh.html, on 9/7/17, 10:30 a.m. EDT.
Irma cone Sept 7

Predicted range of the track of the center of Hurricane Irma, as of 8 a.m. EDT (same as AST), September 7, 2017.  Image accessed from National Hurricane Center, online at http://www.nhc.noaa.gov/graphics_at1.shtml?cone#contents, 9/7/17, 10:45 a.m. EDT.

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