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Timeline of the 2006 Atlantic hurricane season

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Season track map

The 2006 Atlantic hurricane season was the first since 2001 in which no hurricanes made landfall in the United States, and the first since 1994 that no tropical cyclones formed during October.[1] This timeline documents all the storm formations, strengthening, weakening, landfalls, extratropical transitions, as well as dissipation. The season officially began on June 1, 2006, and lasted until November 30. The timeline includes information which was not operationally released, meaning that information from post-storm reviews by the National Hurricane Center, such as information about a storm that was not operationally warned on,[A 1] have been included.

The 2006 Atlantic hurricane season was significantly less active than the previous year's Atlantic hurricane season.[1] Following the intense activity of 2005, forecasts predicted that the 2006 season would be only slightly less active. However, activity was slowed by a rapidly forming El Niño event in 2006, the presence of the Saharan Air Layer over the tropical Atlantic, and the steady presence of a robust secondary high pressure area to the Azores high centered around Bermuda. There were no tropical cyclones after October 2.[2] The calendar year 2006 also saw Tropical Storm Zeta, which arose in December 2005 and persisted until early January, only the second event on record that a storm spanned two calendar years in the Atlantic. The storm can be considered a part of the 2005 and 2006 seasons, although it occurred outside the June 1 – November 30 windows during which most Atlantic basin tropical cyclones form.

Timeline of storms

2006 Atlantic hurricane season#Hurricane Isaac2006 Atlantic hurricane season#Hurricane HeleneHurricane Gordon (2006)Hurricane Florence (2006)Hurricane Ernesto (2006)Tropical Storm Debby (2006)Tropical Storm Chris (2006)Tropical Storm Beryl (2006)Unnamed Tropical Storm (2006)Tropical Storm Alberto (2006)Saffir-Simpson Hurricane Scale
Saffir–Simpson scale
TD TS C1 C2 C3 C4 C5

January

Further information: [[:Timeline of the 2005 Atlantic hurricane season for preceding events regarding Tropical Storm Zeta]]

January 1

January 6

  • 2 a.m. AST (0600 UTC) – Tropical Storm Zeta weakens into a tropical depression.[3]
  • 5 p.m. AST (2100 UTC) – The National Hurricane Center issues its last advisory on dissipating Tropical Depression Zeta, finally ending the 2005 season.[3]

June

Tropical Storm Alberto

June 1

  • The 2006 Atlantic hurricane season officially begins.[4]

June 10

June 13

  • 12:30 p.m. EDT (1630 UTC) – Tropical Storm Alberto makes landfall near Adams Beach, Florida, with 45 mph (70 km/h) winds.[5][B 1]June 14
  • 2 a.m. EDT (0600 UTC) – Tropical Storm Alberto weakens into a tropical depression.[5]
  • 8 a.m. EDT (1200 UTC) – The remnants of Alberto become extratropical.[5]

July

July 17

  • 0600 UTC – A previously extratropical low pressure area becomes a tropical depression about 210 nautical miles (245 miles, 390 km) southeast of Nantucket, Massachusetts. However, this depression is not assigned a number operationally, or warned on, by the National Hurricane Center.[6]
  • 1200 UTC – The tropical depression near Nantucket strengthens into a tropical storm, but is not operationally named.[6]

July 18

  • 8 a.m. EDT (1200 UTC) – Tropical Depression Two forms 250 nautical miles (290 miles, 645 km) east-southeast of Wilmington, North Carolina.[7]
  • 1200 UTC – The unnamed tropical storm degenerates into a remnant low.[6]
  • 2 p.m. EDT (1800 UTC) – Tropical Depression Two strengthens into Tropical Storm Beryl.[7]

July 21

  • 2:45 a.m. EDT (0645 UTC) – Tropical Storm Beryl makes landfall on the island of Nantucket, Massachusetts, with 50 mph (80 km/h) winds.[7]
  • 2 p.m. EDT (1800 UTC) – Tropical Storm Beryl becomes extratropical.[7]

July 31

  • 8 p.m. EDT (0000 UTC August 1) – Tropical Depression Three forms 205 nautical miles (235 miles, 380 km) east-southeast of Barbuda.[8]

August

Tropical Storm Chris

August 1

August 3

  • 2 p.m. AST (1800 UTC) – Tropical Storm Chris weakens to a tropical depression.[8]

August 4

  • 2 a.m. AST (0600 UTC) – Tropical Depression Chris weakens into a remnant low.[8]

August 21

  • 2 p.m. AST (1800 UTC) – Tropical Depression Four forms 225 nautical miles (260 miles, 415 km) south-southeast of Praia, Cape Verde.[9]

August 22

August 24

  • 2 p.m. AST (1800 UTC) – Tropical Depression Five forms in the Caribbean Sea about 40 nautical miles (45 miles, 75 km) north-northwest of Grenada.[10]

August 25

  • 8 a.m. AST (1200 UTC) – Tropical Depression Five strengthens into Tropical Storm Ernesto.[10]

August 26

  • 2 a.m. AST (0600 UTC) – Tropical Storm Debby weakens to a tropical depression.[9]
  • 8 a.m. AST (1200 UTC) – Tropical Depression Debby weakens into a low.[9]

August 27

Hurricane Ernesto
  • 8 a.m. EDT (1200 UTC) – Hurricane Ernesto weakens to a tropical storm.[10]

August 28

  • 7:15 a.m. EDT (1115 UTC) – Tropical Storm Ernesto makes a first landfall in Cuba at Playa Cazonal with 40 mph (65 km/h) winds.[10]

August 29

  • 11 p.m. EDT (0300 UTC) – Tropical Storm Ernesto makes a second landfall at Plantation Key, Florida, with 45 mph (70 km/h) winds.[10]

August 30

August 31

  • 11:40 p.m. EDT (0340 UTC September 1) – Tropical Storm Ernesto makes a fourth landfall at Oak Island, North Carolina, with 70 mph (110 km/h).[10]

September

September 1

  • 8 a.m. EDT (1200 UTC) – Tropical Storm Ernesto weakens to a tropical depression.[10]
  • 2 p.m. EDT (1800 UTC) – Tropical Depression Ernesto becomes extratropical.[10]

September 3

  • 2 p.m. AST (1800 UTC) – Tropical Depression Six forms 855 nautical miles (990 miles, 1585 km) west of the Cape Verde Islands.[11]

September 5

  • 2 a.m. AST (0600 UTC) – Tropical Depression Six strengthens into Tropical Storm Florence.[11]

September 10

  • 2 a.m. AST (0600 UTC) – Tropical Storm Florence strengthens into Hurricane Florence.[11]
  • 2 p.m. EDT (1800 UTC) – Tropical Depression Seven forms 470 nautical miles (545 miles, 870 km) east-northeast of the Leeward Islands.[12]

September 11

  • 8 a.m. EDT (1200 UTC) – Tropical Depression Seven strengthens into Tropical Storm Gordon.[12]

September 12

  • 8 a.m. EDT (1200 UTC) – Tropical Depression Eight forms 200 nautical miles (230 miles, 370 km) south-southeast of the Cape Verde Islands.[13]
  • 8 p.m. AST (0000 UTC September 13) – Hurricane Florence becomes extratropical.[11]
  • 8 p.m. EDT (0000 UTC September 13) – Tropical Storm Gordon strengthens into Hurricane Gordon.[12]

September 13

  • 2 p.m. EDT (1800 UTC) – Hurricane Gordon reaches Category 2 intensity.[12]
  • 8 p.m. AST (0000 UTC September 14) – Hurricane Gordon reaches Category 3 intensity, becoming the first major hurricane of the season.[12]
  • 8 p.m. AST (0000 UTC September 14) – Tropical Depression Eight strengthens into Tropical Storm Helene.[13]

September 16

  • 8 a.m. AST (1200 UTC) – Tropical Storm Helene strengthens into Hurricane Helene.[13]

September 17

  • 2 p.m. AST (1800 UTC) – Hurricane Helene reaches Category 2 intensity.[13]
Hurricane Helene
  • 8 p.m. AST (0000 UTC September 18) – Hurricane Helene reaches to Category 3 intensity, becoming the second major hurricane of the season.[13]

September 20

  • 8 p.m. AST (0000 UTC September 21) – Hurricane Gordon becomes extratropical.[12]

September 24

  • 2 p.m. AST (1800 UTC) – Hurricane Helene becomes extratropical.[13]

September 27

  • 2 p.m. EDT (1800 UTC) – Tropical Depression Nine forms 810 nautical miles (940 miles, 1500 km) east-southeast of Bermuda.[14]

September 28

  • 2 a.m. EDT (0600 UTC) – Tropical Depression Nine strengthens into Tropical Storm Isaac.[14]

September 30

  • 8 a.m. AST (1200 UTC) – Tropical Storm Isaac strengthens into Hurricane Isaac.[14]

October

October 2

  • 8 a.m. AST (1200 UTC) – Hurricane Isaac weakens to a tropical storm.[14]
  • 8 p.m. AST (0000 UTC October 3) – Tropical Storm Isaac becomes extratropical.[14]

Notes

  1. ^ To be warned on operationally means that storms were tracked at the time of their existance
  1. ^ The figures for maximum sustained winds and position estimates are rounded to the nearest 5 units (knots, miles, or kilometers), following the convention used in the National Hurricane Center's operational products for each storm. All other units are rounded to the nearest digit.

References

  1. ^ a b Mainelli; Bevan (2006-11-01). "Monthly Tropical Weather Summary for October 2006". National Hurricane Center. Retrieved 2006-11-01. {{cite web}}: Check date values in: |date= (help)CS1 maint: multiple names: authors list (link)
  2. ^ Klotzbach, Philip J.; Gray, William M. (2006-11-17). "Summary of 2006 Atlantic Tropical Cyclone Activity and Verification of Authors' Seasonal and Monthly Forecasts". Colorado State University. Retrieved 2006-11-17. {{cite web}}: Check date values in: |date= (help); Cite has empty unknown parameter: |1= (help)CS1 maint: multiple names: authors list (link)
  3. ^ a b c Richard D. Knabb (2006-03-17). "Tropical Cyclone Report: Tropical Storm Zeta" (PDF). NOAA. Retrieved 2006-05-21. {{cite web}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)
  4. ^ Atlantic Oceanographic and Meteorological Laboratory, Hurricane Research Division. "Frequently Asked Questions: When is hurricane season?". NOAA. Retrieved 2008-08-21.
  5. ^ a b c d e Avila, Lixion A. and Brown, Daniel P./National Hurricane Center (2006-08-11). "Tropical Cyclone Report: Tropical Storm Alberto" (PDF). National Oceanic and Atmospheric Administration. Retrieved 2006-10-05. {{cite web}}: Check date values in: |date= (help)CS1 maint: multiple names: authors list (link)
  6. ^ a b c Blake, Eric S. and Beven, John L./National Hurricane Center (2006-12-15). "Tropical Cyclone Report: Unnamed Tropical Storm" (PDF). NOAA. Retrieved 2006-12-18. {{cite web}}: Check date values in: |date= (help)CS1 maint: multiple names: authors list (link)
  7. ^ a b c d Pasch, Richard J./National Hurricane Center (2006-08-31). "Tropical Cyclone Report: Tropical Storm Beryl" (PDF). NOAA. Retrieved 2006-10-05. {{cite web}}: Check date values in: |date= (help)
  8. ^ a b c d Stewart, Stacy R./National Hurricane Center (2006-11-29). "Tropical Cyclone Report: Tropical Storm Chris" (PDF). NOAA. Retrieved 2006-12-13. {{cite web}}: Check date values in: |date= (help)
  9. ^ a b c d Franklin, James L./National Hurricane Center (2006-11-02). "Tropical Cyclone Report: Tropical Storm Debby" (PDF). National Oceanic and Atmospheric Administration. Retrieved 2006-11-22. {{cite web}}: Check date values in: |date= (help)
  10. ^ a b c d e f g h i j Knabb, Richard D. and Mainelli, Michelle/National Hurricane Center (2006-12-15). "Tropical Cyclone Report: Hurricane Ernesto" (PDF). National Oceanic and Atmospheric Administration. Retrieved 2006-12-26. {{cite web}}: Check date values in: |date= (help)CS1 maint: multiple names: authors list (link)
  11. ^ a b c d Beven, Jack/National Hurricane Center (2006-12-21). "Tropical Cyclone Report: Hurricane Florence" (PDF). National Oceanic and Atmospheric Administration. Retrieved 2007-01-05. {{cite web}}: Check date values in: |date= (help)
  12. ^ a b c d e f Blake, Eric S./National Hurricane Center (2006-11-14). "Tropical Cyclone Report: Hurricane Gordon" (PDF). National Oceanic and Atmospheric Administration. Retrieved 2006-11-22. {{cite web}}: Check date values in: |date= (help)
  13. ^ a b c d e f Brown, Daniel P./National Hurricane Center (2006-11-15). "Tropical Cyclone Report: Hurricane Helene" (PDF). National Oceanic and Atmospheric Administration. Retrieved 2006-11-22. {{cite web}}: Check date values in: |date= (help)
  14. ^ a b c d e Mainelli, Michelle/National Hurricane Center (2006-11-16). "Tropical Cyclone Report: Hurricane Isaac" (PDF). National Oceanic and Atmospheric Administration. Retrieved 2006-11-22. {{cite web}}: Check date values in: |date= (help)

See also

Template:Tcportal

Preceded by Atlantic hurricane seasons timelines
2006 		Succeeded by
Tropical cyclones of the 2006 Atlantic hurricane season
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