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A timeline of events of the 2005 Atlantic hurricane season including storm formation, landfall, and dissipation.
Timeline of events
June
- June 9
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- 7 am EDT (1100 UTC) - Tropical Depression One strengthens into Tropical Storm Arlene.
- June 11
-
- 4 pm CDT (2100 UTC) - Tropical Storm Arlene makes landfall west of Pensacola, Florida with 60 mph winds.
- 7 pm CDT (0000 UTC, June 12) - Tropical Storm Arlene is downgraded to a tropical depression.
- June 13
-
- 5 pm EDT (2100 UTC) - The HPC stops monitoring Tropical Depression Arlene over Michigan.
- June 28
-
- 5 pm CDT (2200 UTC) - Tropical Depression Two forms about 50 statute miles (80 km) north-northeast of Veracruz, Veracruz.
- 7 pm CDT (0000 UTC, June 29) - Tropical Depression Two strengthens into Tropical Storm Bret.
July
- July 3
-
- 4 pm CDT (2100 UTC) - Tropical Depression Three forms in the northwestern Caribbean Sea, about 80 statute miles (125 km) east of Chetumal, Quintana Roo, Mexico.
- 10 pm CDT (0300 UTC July 4) - Tropical Depression Three passes over the Yucatán peninsula with 35 mph winds.
- July 4
-
- 11 pm EDT (0300 UTC July 5) - Tropical Depression Four forms in the southeastern Caribbean Sea, about 100 statute miles (160 km) west-northwest of Grenada.
- July 5
-
- 4 am CDT (0900 UTC) - Tropical Depression Three strengthens into Tropical Storm Cindy.
- 11 am EDT (1500 UTC) - Tropical Depression Four strengthens into Tropical Storm Dennis.
- 10:30 pm CDT (0330 UTC July 6) - Tropical Storm Cindy makes landfall southwest of Grand Isle, Louisiana, United States with winds over 70 mph.
- July 6
-
- 10 am CDT (1500 UTC) - Tropical Storm Cindy is downgraded to a Tropical Depression.
- 5:27 pm EDT (2127 UTC) - Tropical Storm Dennis strengthens to Hurricane Dennis.
- July 7
-
- 8 am EDT (1200 UTC) - Hurricane Dennis reaches Category 2 intensity.
- 11 am EDT (1500 UTC) - Tropical Depression Cindy becomes extratropical over the Carolinas.
- 2 pm EDT (1800 UTC) - Hurricane Dennis reaches Category 3 intensity.
- 11 pm EDT (0300 UTC July 8) - Hurricane Dennis reaches Category 4 intensity, and begins to parallel the coast of Cuba, with the eye staying offshore.
- July 8
-
- 2 pm EDT (1800 UTC) - Hurricane Dennis makes its first landfall along the south-central coast of Cuba with winds of 145 mph.
- 5 pm EDT (2100 UTC) - The HPC ceases advisories on the remnants of Tropical Depression Cindy.
- July 10
-
- 2:25 pm CDT (1925 UTC) - Hurricane Dennis makes its second landfall just west of Navarre Beach, Florida, United States with 120 mph winds.
- 8:00 pm CDT (0100 UTC) - Hurricane Dennis is downgraded to a tropical storm.
- 11 pm AST (0300 UTC July 11) - Tropical Depression Five forms in the central Atlantic about 1,280 statute miles (2,055 km) east-southeast of the Lesser Antilles.
- July 11
-
- 4 am CDT (0900 UTC) - Tropical Storm Dennis is downgraded to a tropical depression.
- 11 pm AST (0300 UTC July 12) - Tropical Depression Five strengthens into Tropical Storm Emily.
- July 13
-
- 10 am CDT (1500 UTC) - The HPC ceases advisories on the remnants of Tropical Depression Dennis.
- 9:55 pm AST (0155 UTC July 13) - Tropical Storm Emily strengthens into Hurricane Emily.
- July 14
-
- 3 am AST (0700 UTC) - Hurricane Emily passes over Grenada with 90 mph winds.
- 11 am AST (1500 UTC) - Hurricane Emily reaches Category 2 intensity.
- 5 pm AST (2100 UTC) - Hurricane Emily reaches Category 3 intensity.
- July 15
-
- 2 am AST (0600 UTC) - Hurricane Emily reaches Category 4 intensity.
- July 18
-
- 2:30 am EDT (0630 UTC) - Hurricane Emily makes its first landfall near Tulum, Quintana Roo, Mexico with 135 mph winds.
- July 20
-
- 6:35 am CDT (1135 UTC) - Hurricane Emily makes its final landfall near Boca Madre, Tamaulipas, Mexico with 125 mph winds.
- July 21
-
- 10 am CDT (1500 UTC) - Tropical Depression Emily dissipates over central Mexico.
- 5 pm EDT (2100 UTC) - Tropical Depression Six forms near the Bahamas.
- 6:55 pm EDT (2255 UTC) - Tropical Depression Six intensifies to Tropical Storm Franklin.
- July 23
-
- 2 pm CDT (1900 UTC) - Tropical Depression Seven forms in the Bay of Campeche.
- July 24
-
- 1 am CDT (0600 UTC) - Tropical Depression Seven becomes Tropical Storm Gert.
- 7 pm CDT (0000 UTC July 25) - Tropical Storm Gert makes landfall near Tampico, Tamaulipas, Mexico with winds near 50 mph.
- July 25
-
- 10 am CDT (1500 UTC) - Tropical Depression Gert dissipates over central Mexico.
- July 29
-
- 5 pm EDT (2100 UTC) - Tropical Storm Franklin becomes extratropical east of Nova Scotia.
August
- August 3
-
- 11 am AST (1500 UTC) - Tropical Depression Eight becomes Tropical Storm Harvey.
- August 4
-
- 5 pm AST (2100 UTC) - Tropical Depression Nine forms about 700 nautical miles (1,300 km) west of Cape Verde.
- August 7
-
- 11 am AST (1500 UTC) - Tropical Depression Nine becomes Tropical Storm Irene.
- August 8
-
- 11 am AST (1500 UTC) - Tropical Storm Irene is downgraded to a tropical depression.
- 5 pm AST (2100 UTC) - Tropical Storm Harvey becomes extratropical in northern Atlantic.
- August 13
-
- 3 pm AST (1900 UTC) - Tropical Depression Ten forms about 1100 statute miles (1,800 km) east of the Lesser Antilles.
- August 14
-
- 11 am AST (1500 UTC) - Tropical Depression Ten dissipates.
- 5:45 pm AST (2145 UTC) - Tropical Storm Irene strengthens to Hurricane Irene.
- August 16
-
- 5 pm AST (2100 UTC) - Hurricane Irene reaches Category 2 intensity.
- August 18
-
- 11 am AST (1500 UTC) - Tropical Storm Irene becomes extratropical in northern Atlantic.
- August 22
-
- 12 pm EDT (1600 UTC) - Tropical Depression Eleven forms in the Bay of Campeche.
- 5:25pm EDT (2125 UTC) - Tropical Depression Eleven strengthens to Tropical Storm Jose.
- August 23
-
- 1 am CDT (0600 UTC) - Tropical Storm Jose makes landfall in Veracruz, Mexico with 50 mph winds.
- 10 am CDT (1500 UTC) - Tropical Depression Jose dissipates.
- 2:35 pm EDT (1835 UTC) - Tropical Depression Twelve forms near Long Island, Bahamas.
- August 24
-
- 8:05 am EDT (1205 UTC) - Tropical Depression Twelve is upgraded to Tropical Storm Katrina.
- August 25
-
- 3:35 pm EDT (1935 UTC) - Tropical Storm Katrina is upgraded to Hurricane Katrina.
- 6:30 pm EDT (2230 UTC) - Hurricane Katrina makes first landfall between Hallandale Beach and North Miami Beach, Florida, United States with 80 mph winds.
- August 26
-
- 1 am EDT (0500 UTC) - Hurricane Katrina is downgraded to a tropical storm.
- 5 am EDT (0900 UTC) - Tropical Storm Katrina is again upgraded to Hurricane Katrina over the Gulf of Mexico.
- 11:30 am EDT (1530 UTC) - Hurricane Katrina reaches Category 2 intensity.
- August 27
-
- 5 am EDT (0900 UTC) - Hurricane Katrina reaches Category 3 intensity.
- August 28
-
- 12:40 am CDT (0540 UTC) - Hurricane Katrina reaches Category 4 intensity.
- 7 am CDT (1200 UTC) - Hurricane Katrina reaches Category 5 intensity.
- 4 pm CDT (1900 UTC) - Hurricane Katrina's central pressure drops to 902 mb, making it the fourth most intense Atlantic hurricane on record. Katrina is now the sixth most intense Atlantic hurricane on record after Hurricane Rita attained a central pressure of 897 mb and Hurricane Wilma attained a central pressure of 882 mb.
- 3 pm AST (1900 UTC) - Tropical Depression Thirteen forms about 960 statute miles (1,550 km) east of the Lesser Antilles.
- August 29
-
- 6:10 am CDT (1110 UTC) - Hurricane Katrina makes a second landfall near Buras, Louisiana, United States with 145 mph winds.
- 10 am CDT (1500 UTC) - Hurricane Katrina makes a third landfall near Pearlington, Mississippi, United States with 125 mph winds after crossing Breton Sound.
- 11 am AST (1500 UTC) - Tropical Depression Thirteen degenerates into a broad area of low pressure.
- 7 pm CDT (0000 UTC, August 30) - Hurricane Katrina is downgraded to a tropical storm.
- August 30
-
- 10 am CDT (1500 UTC) - Tropical Storm Katrina is downgraded to a tropical depression.
- August 31
-
- 11 am AST (1500 UTC) - Tropical Depression Thirteen regenerates 890 statute miles (1430 km) east-southeast of Bermuda.
- 11 am EDT (1500 UTC) - Tropical Depression Katrina is downgraded to a remnant low over eastern Ontario.
- 5 pm AST (2100 UTC) - Tropical Depression Thirteen is upgraded to Tropical Storm Lee.
- 11 pm AST (0300 UTC, September 1) - Tropical Storm Lee is downgraded to Tropical Depression Lee.
- 11 pm EDT (0300 UTC, September 1) - The HPC stops monitoring the remnants of Tropical Depression Katrina over southeastern Canada.
September
- September 1
-
- 11 am AST (1500 UTC) - Tropical Depression Fourteen forms 1,100 statute miles (1,770 km) east of the Leeward Islands.
- 11 pm AST (0300 UTC, September 2) - Tropical Depression Lee dissipates over the central Atlantic.
- September 2
-
- 11 am AST (1500 UTC) - Tropical Depression Fourteen is upgraded to Tropical Storm Maria.
- September 4
-
- 5 am AST (0900 UTC) - Tropical Storm Maria strengthens into Hurricane Maria.
- September 5
-
- 11 am AST (1500 UTC) - Hurricane Maria reaches Category 2 intensity.
- 5 pm AST (2100 UTC) - Tropical Depression Fifteen forms 350 statute miles (560 km) south-southwest of Bermuda.
- 11 pm AST (0300 UTC, September 6) - Hurricane Maria reaches Category 3 intensity.
- 11 pm EDT (0300 UTC, September 6) - Tropical Depression Fifteen strengthens into Tropical Storm Nate.
- September 6
-
- 11 am EDT (1500 UTC) - Tropical Depression Sixteen forms over the northern Bahamas.
- September 7
-
- 2 am EDT (0600 UTC) - Tropical Depression Sixteen strengthens into Tropical Storm Ophelia.
- 11 am EDT (1500 UTC) - Tropical Storm Nate strengthens into Hurricane Nate.
- September 8
-
- 5 pm EDT (2100 UTC) - Tropical Storm Ophelia strengthens into Hurricane Ophelia.
- September 14
-
- 11 pm EDT (0300 UTC September 15) - Hurricane Ophelia passes southeast of Cape Lookout, North Carolina with the storm's center staying just offshore.
- September 15
-
- 8 pm EDT (0000 UTC September 16) - Hurricane Ophelia is downgraded to a tropical storm.
- September 17
-
- 8:20 am EDT (1220 UTC) - Tropical Depression Seventeen forms 305 miles (490 km) east of Barbados.
- 11 pm EDT (0300 UTC September 18) - Tropical Storm Ophelia becomes extratropical off the coast of central Nova Scotia.
- 11 pm EDT (0300 UTC September 18) - Tropical Depression Seventeen strengthens into Tropical Storm Philippe.
- 11 pm EDT (0300 UTC September 18) - Tropical Depression Eighteen forms 95 statute miles (155 km) east-northeast of Grand Turk Island.
- September 18
-
- 5 pm EDT (2100 UTC) - Tropical Depression Eighteen strengthens into Tropical Storm Rita.
- 11 pm EDT (0300 UTC September 19) - Tropical Storm Philippe strengthens into Hurricane Philippe.
- September 20
-
- 9:15 am EDT (1315 UTC) - Tropical Storm Rita strengthens into Hurricane Rita.
- 1:15 pm EDT (1715 UTC) - Hurricane Rita reaches Category 2 intensity.
- 5 pm EDT (2100 UTC) - Hurricane Philippe is downgraded to a tropical storm.
- September 21
-
- 2 am EDT (0600 UTC) - Hurricane Rita reaches Category 3 intensity.
- 8 am EDT (1200 UTC) - Hurricane Rita reaches Category 4 intensity.
- 2:55 pm CDT (1955 UTC) - Hurricane Rita reaches Category 5 intensity.
- 6:55 pm CDT (2355 UTC) - Hurricane Rita's central pressure drops to 897 mb, making it the third most intense Atlantic hurricane on record. Rita is now the fourth most intense Atlantic hurricane on record after Hurricane Wilma attained a central pressure of 882 mb.
- September 23
-
- 5 pm EDT (2100 UTC) - Tropical Storm Philippe is downgraded to a tropical depression.
- 11 pm EDT (0300 UTC September 24) - Tropical Depression Philippe becomes a swirl of low clouds embedded within a broader non-tropical low.
- September 24
-
- 2:30 am CDT (0730 UTC) - Hurricane Rita makes landfall in Louisiana just east of Sabine Pass with 120 mph winds.
- 1 pm CDT (1800 UTC) - Hurricane Rita is downgraded to a tropical storm.
- 10 pm CDT (0300 UTC, September 25) - Tropical Storm Rita is downgraded to a tropical depression.
- September 26
-
- 4 am CDT (0900 UTC) - The HPC stops monitoring Tropical Depression Rita while over the U.S. Midwest, the moisture having been absorbed into a cold front. This leads to the first lull period in the Atlantic since Tropical Depression Twelve (later known as Hurricane Katrina) formed on August 23rd.
- September 30
-
- 5 pm EDT (2100 UTC) - Tropical Depression Nineteen forms 665 statute miles (1065 km) west-southwest of the Cape Verde Islands.
October
- October 2
-
- 1:35 am CDT (0635 UTC) - Tropical Depression Twenty strengthens into Tropical Storm Stan.
- 4 am CDT (0900 UTC) - Tropical Storm Stan makes first landfall on the Yucatán Peninsula about 40 miles south of Tulum with 45 mph winds.
- 11 am AST (1500 UTC) - Tropical Depression Nineteen dissipates.
- 10 pm CDT (0300 UTC) - Tropical Storm Stan is downgraded to a tropical depression.
- October 3
-
- 4 am CDT (0900 UTC) - Tropical Depression Stan restrengthens into Tropical Storm Stan.
- October 4
-
- 4 am CDT (0900 UTC) - Tropical Storm Stan strengthens into Hurricane Stan.
- 10 am CDT (1500 UTC) - Hurricane Stan makes second landfall near Punta Roca Partida, Mexico with 80 mph winds.
- 1 pm CDT (1800 UTC) - Hurricane Stan is downgraded to a tropical storm.
- 10 pm CDT (0300 UTC) - Tropical Storm Stan is downgraded to a tropical depression.
- October 5
-
- 4 am CDT (0900 UTC) - Tropical Depression Stan dissipates over southeastern Mexico.
- 7:30 am EDT (1130 UTC) - Tropical Storm Tammy forms 20 statute miles (30 km) east of Cape Canaveral, Florida.
- 8 pm EDT (0000 UTC October 6) - Tropical Storm Tammy makes landfall near Naval Station Mayport, Florida with 50 mph winds.
- October 6
-
- 11 am EDT (1500 UTC) - Tropical Storm Tammy is downgraded to a tropical depression.
- 5 pm EDT (2100 UTC) - The HPC stops monitoring Tropical Depression Tammy over western Florida.
- October 9
-
- 11 am AST (1500 UTC) - Tropical Storm Vince forms from a previously non-tropical low 515 statute miles (830 km) east-southeast of the Azores, notably near the Iberian Peninsula of Europe.
- 5 pm AST (2100 UTC) - Tropical Storm Vince strengthens into Hurricane Vince.
- October 10
-
- 5 am AST (0900 UTC) - Hurricane Vince is downgraded to a tropical storm.
- October 15
-
- 5 pm EDT (2100 UTC) - Tropical Depression Twenty-four forms 85 miles (140 km) southwest of Montego Bay, Jamaica.
- October 17
-
- 5 am EDT (0900 UTC) - Tropical Depression Twenty-four strengthens into Tropical Storm Wilma.
- October 18
-
- 11 am EDT (1500 UTC) - Tropical Storm Wilma strengthens into Hurricane Wilma.
- 8 pm EDT (0000 UTC October 19) - Hurricane Wilma reaches Category 2 intensity.
- 11:15 pm EDT (0315 UTC October 19) - Hurricane Wilma reaches Category 3 intensity (between advisories - time estimated).
- 11:32 pm EDT (0332 UTC October 19) - Hurricane Wilma's central pressure is measured at 901 mb, making it the fifth most intense hurricane ever recorded in the Atlantic basin.
- October 19
-
- 1 am EDT (0500 UTC) - Hurricane Wilma reaches Category 4 intensity.
- 2:30 am EDT (0630 UTC) - Hurricane Wilma reaches Category 5 intensity with a central pressure of 892 mb, tying it for the second most intense hurricane ever recorded in the Atlantic basin.
- 5 am EDT (0900 UTC) - Hurricane Wilma's central pressure is recorded at 884 mb, making it the most intense hurricane ever recorded in the Atlantic basin and the 10th most intense tropical cyclone ever in recorded history.
- 8 am EDT (1200 UTC) - Hurricane Wilma's central pressure drops again to 882 mb, confirming it as the most intense hurricane ever recorded in the Atlantic basin.
- October 21
-
- 3:30 pm CDT (2030 UTC) - Hurricane Wilma makes first landfall on the island of Cozumel, Mexico, with 140 mph winds.
- 10:30 pm CDT (0330 UTC October 22) - Hurricane Wilma makes second landfall near Cancun, Mexico, again with 140 mph winds.
- October 22
-
- 11:00 am EDT (1500 UTC) - Tropical Depression Twenty-five forms in the eastern Caribbean Sea.
- 5:00 pm EDT (2100 UTC) - Tropical Depression Twenty-five strengthens into Tropical Storm Alpha.
- October 23
-
- 8 am EDT (1200 UTC) - Tropical Storm Alpha makes landfall near Barahona, Dominican Republic with 50 mph winds.
- 11 am EDT (1500 UTC) - Tropical Storm Alpha is downgraded to a tropical depression.
- 11 pm EDT (0300 UTC October 24) - Hurricane Wilma restrengthens to Category 3 intensity.
- October 24
-
- 6:30 am EDT (1030 UTC) - Hurricane Wilma makes third landfall at Cape Romano, Florida, near Everglades City, with 125 mph winds.
- 5 pm EDT (2100 UTC) - Tropical Depression Alpha degenerates into a trough connected to Hurricane Wilma. Advisories are discontinued.
- October 25
-
- 5 pm EDT (2100 UTC) - Hurricane Wilma becomes extratropical over the Atlantic Ocean. Advisories are discontinued.
- October 26
-
- 11 pm EDT (0300 UTC October 27) - Tropical Depression Twenty-six forms in the southwestern Caribbean Sea, just off Central America.
- October 27
-
- 5 am EDT (0900 UTC) - Tropical Depression Twenty-six strengthens into Tropical Storm Beta.
- October 29
-
- 2 am EDT (0600 UTC) - Tropical Storm Beta strengthens into Hurricane Beta.
- 11 pm EDT (0300 UTC October 30) - Hurricane Beta reaches Category 2 intensity.
- October 30
-
- 4 am EST (0900 UTC) - Hurricane Beta reaches Category 3 intensity.
- Season still in progress - officially ends November 30.