Days Left In The 2018 Hurricane Season
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Current Tropics Activity

Active Storms: None.
Active Invests: None.
Area Of Interest: None.

TrackTheTropics Resource Links

Saffir-Simpson Hurricane Scale
Category Wind Speed Storm Surge
  mph ft
5 ≥157 >18
4 130–156 13–18
3 111–129 9–12
2 96–110 6–8
1 74–95 4–5
Additional Classifications
Tropical Storm 39–73 0–3
Tropical Depression 0–38 0
The Saffir-Simpson Hurricane Scale is a classification used for most Western Hemisphere tropical cyclones that exceed the intensities of "tropical depressions" and "tropical storms", and thereby become hurricanes. Source: Intellicast

Beaufort Wind Scale

Number Of Storms Per 100 Yrs

Atlantic Basin Storm Count Since 1850


Atlantic Basin Storm Count Since 1850

Typical Tropical Cyclone Origins and Track By Month



June Hurricane Climatology

July Hurricane Climatology

August Hurricane Climatology

September Hurricane Climatology

October Hurricane Climatology

November Hurricane Climatology

Hurricane Strike Percentages


[Map of return period in years for hurricanes passing within 50 nautical miles] Estimated return period in years for hurricanes passing within 50 nautical miles of various locations on the U.S. Coast


[Map of return period in years for major hurricanes passing within 50 nautical miles] Estimated return period in years for major hurricanes passing within 50 nautical miles of various locations on the U.S. Coast


CONUS Hurricane Strikes

 
[Map of 1950-2011 CONUS Hurricane Strikes] 1950-2011 CONUS Hurricane Strikes (Courtesy of NCDC)

Lookup Historic Hurricane Tracks



Hurricane Katrina Track 2005

2017 Hurricane Season Storms

Tropical Storm ARLENE
Duration April 19 – April 21 2017
Peak intensity 50 mph (85 km/h) (1-min)
990 mbar (hPa)
Tropical Storm BRET
Duration June 19 – June 20 2017
Peak intensity 50 mph (85 km/h) (1-min)
1007 mbar (hPa)
Tropical Storm CINDY
Duration June 20 – June 23 2017
Peak intensity 60 mph (95 km/h) (1-min)
991 mbar (hPa)
Tropical Storm DON
Duration July 17 – July 18 2017
Peak intensity 50 mph (85 km/h) (1-min)
1005 mbar (hPa)
Tropical Storm EMILY
Duration July 30 – August 2 2017
Peak intensity 60 mph (95 km/h) (1-min)
1001 mbar (hPa)
Hurricane FRANKLIN
Duration August 7 – August 10 2017
Peak intensity 85 mph (140 km/h) (1-min)
981 mbar (hPa)
Hurricane GERT
Duration August 12 – August 17 2017
Peak intensity 110 mph (175 km/h) (1-min)
962 mbar (hPa)
Major Hurricane HARVEY
Duration August 17 – September 1 2017
Peak intensity 130 mph (215 km/h) (1-min)
937 mbar (hPa)
Major Hurricane IRMA
Duration August 30 – September 12 2017
Peak intensity 180 mph (285 km/h) (1-min)
914 mbar (hPa)
Major Hurricane JOSE
Duration September 5 – September 22 2017
Peak intensity 155 mph (250 km/h) (1-min)
938 mbar (hPa)
Hurricane KATIA
Duration September 5 – September 9 2017
Peak intensity 105 mph (165 km/h) (1-min)
972 mbar (hPa)
Tropical Storm LEE
Duration September 14 – September 30 2017
Peak intensity 115 mph (185 km/h) (1-min)
962 mbar (hPa)
Major Hurricane MARIA
Duration September 16 – September 30 2017
Peak intensity 175 mph (280 km/h) (1-min)
908 mbar (hPa)
Hurricane NATE
Duration October 4 – October 9 2017
Peak intensity 90 mph (150 km/h) (1-min)
981 mbar (hPa)
Major Hurricane OPHELIA
Duration October 9 – October 16 2017
Peak intensity 115 mph (185 km/h) (1-min)
959 mbar (hPa)
Tropical Storm PHILIPPE
Duration October 28 – October 29 2017
Peak intensity 40 mph (65 km/h) (1-min)
1000 mbar (hPa)
Tropical Storm RINA
Duration November 5 – November 9 2017
Peak intensity 60 mph (95 km/h) (1-min)
991 mbar (hPa)

Learn About Hurricanes

A Hurricane also known as a tropical cyclone is a rapidly-rotating storm system characterized by a low-pressure center, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain. Depending on its location and strength, a tropical cyclone is referred to by names such as hurricanetyphoontropical stormcyclonic stormtropical depression, and simply cyclone.[1]

Tropical cyclones typically form over large bodies of relatively warm water. They derive their energy from the evaporation of water from the ocean surface, which ultimately recondenses into clouds and rain when moist air rises and cools to saturation. This energy source differs from that of mid-latitude cyclonic storms, such as nor’easters and European windstorms, which are fueled primarily by horizontal temperature contrasts. The strong rotating winds of a tropical cyclone are a result of the (partial)conservation of angular momentum imparted by the Earth’s rotation as air flows inwards toward the axis of rotation. As a result, they rarely form within 5° of the equator.[2] Tropical cyclones are typically between 100 and 4,000 km (62 and 2,485 mi) in diameter. A cyclone is turned into a hurricane when the wind speed reaches 120 kilometers per hour (75 mph).

The term “tropical” refers to the geographical origin of these systems, which form almost exclusively over tropical seas. The term “cyclone” refers to their cyclonic nature, with wind blowing counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere. The opposite direction of circulation is due to the Coriolis force.

In addition to strong winds and rain, tropical cyclones are capable of generating high waves, damaging storm surge, and tornadoes. They typically weaken rapidly over land where they are cut off from their primary energy source. For this reason, coastal regions are particularly vulnerable to damage from a tropical cyclone as compared to inland regions. Heavy rains, however, can cause significant flooding inland, and storm surges can produce extensive coastal flooding up to 40 kilometers (25 mi) from the coastline. Though their effects on human populations are often devastating, tropical cyclones can relieve drought conditions. They also carry heat energy away from the tropics and transport it toward temperate latitudes, which may play an important role in modulating regional and global climate. Source: Wikipedia

Saffir-Simpson Hurricane Scale
Category Wind Speed Storm Surge
mph ft
5 ≥156 >18
4 131–155 13–18
3 111–130 9–12
2 96–110 6–8
1 74–95 4–5
Additional Classifications
Tropical Storm 39–73 0–3
Tropical Depression 0–38 0

The Saffir-Simpson Hurricane Scale is a classification used for most Western Hemisphere tropical cyclones that exceed the intensities of “tropical depressions” and “tropical storms”, and thereby become hurricanes. Source: Intellicast

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