Tropical Storm Humberto to become first hurricane of 2013 Atlantic season


Tropical Storm Humberto could become a first hurricane of the 2013 Atlantic hurricane season. It could also be the latest first hurricane in the season since the records began in early 60's. September usually brings 2-3 hurricanes. 

Satellite image of Tropical Storm Humberto taken at 14:45 UTC on September 10, 2013 by METEOSAT-10 (Credit: NOAA/NNVL)

Humberto is currently located in Eastern Atlantic, about 400 km west of Cape Verde Islands and it's reaching wind speed of 110 km/h (70 mph) at the moment.

According to latest public advisory issued by National Hurricane Center (NHC) at 21:00 UTC, the system was moving northwestward at speed of 13 km/h (8 mph). Tropical storm force winds extend outward up to 150 km (90 miles) from the center. The central minimum pressure is 993 mb (29.32 inches).

Tropical storm force wind speed probabilities and 5-day forecast map (Credit: NHC/NOAA)

The system is entering an area of the atmosphere with low disruptive winds Humberto should maintain hurricane strength for a couple of days before vertical shear increases and the storm reaches a more hostile thermodynamic environment. The system is forecasted to turn sharply westward by the end of the week when a mid-level anticyclone rebuilds northwest of the Azores.

METEOSAT-9 Atlantic view and MODIS close-up of TS Humberto on September 10, 2013 (Credit: NOAA/CIMSS/MODIS)

NASA's TRMM satellite saw heavy rain falling at a rate of 2 inches/50 mm per hour, south of Tropical Storm Humberto's center as it continues to strengthen in the Eastern Atlantic.

NASA's TRMM satellite showed a large area of heavy rain (red) south of Humberto's center of circulation on Septtember 9, 2013 at 01:47 UTC. A red tropical storm symbol shows Humberto's approximate center. (Credit: SSAI/NASA, Hal Pierce)

Satellite Animations

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