The system was first noted Know on December 3 , 1991 as a shallow tropical depression that was embedded Connect within the monsoon trough , to the north of the Cook Island : Rarotonga .

It formed Coming_to_be within the monsoon trough just off the coast of Costa Rica on May 29 .

It weakened Cause_change_of_strength further and was absorbed Ingestion by a stationary trough near the South Island on March 12 .

After affecting Influence Taiwan and China , Rammasun began Process_start weakening Cause_change_of_strength due to an approaching trough , which turned the typhoon northeastward .

Cyclone John developed Coming_to_be from a monsoon trough positioned northwest of Australia on 9 December 1999 .

Cyclone John later began Process_start interacting with a mid–latitude trough , which slightly weakened Cause_change_of_strength the cyclone prior to making landfall Arriving near Whim Creek early on 15 December .

An approaching Arriving trough Motion turned Becoming the cyclone Catastrophe to the southeast , and Gretelle dissipated Change on January 31 to the south-southwest of Madagascar .

The twelfth tropical cyclone and the eighth hurricane Catastrophe of the 1954 Atlantic hurricane season , Alice developed Coming_to_be on December 30 , 1954 from a trough of low pressure in the central Atlantic Ocean in an area of unusually favorable conditions .

The final named Name_conferral storm Catastrophe of the busy 2001–02 South-West Indian Ocean cyclone season , Kesiny formed Coming_to_be on May 2 from a trough near the equator .

Forming Coming_to_be on June 28 from a trough of low pressure , Amy gradually attained Achieve tropical storm status off the coast of North Carolina .

A rapidly approaching trough caused Causation Amy to turn Motion sharply eastward before the storm took Creating a general northeastward track .

Originating Coming_to_be from a disturbance within a monsoon trough in early September , Sarah was first classified Check as a tropical depression near the Mariana Islands on September 5 .

A developing Coming_to_be trough to its west caused Causation the initial influx of moisture and Norman 's turn Motion to the north as a weakening Cause_change_of_strength tropical storm Catastrophe .

The fifth cyclone of the 2002–03 South Pacific cyclone season , Cyclone Cilla developed Coming_to_be from a monsoon trough on January 26 northwest of Fiji .

Forming as a tropical depression out of a trough south of Louisiana on August 5 , the system moved Motion generally westward .

However , due Causation to its acceleration to the west-northwest , Colin was unable to maintain Preserving a closed circulation and subsequently degenerated Change into a trough later that day .

It developed Coming_to_be on October 18 as an unusually large disturbance from a trough south of Hawaii .

Increased Cause_change_of_position_on_a_scale wind shear from a nearby trough encroached on further development later that day , and subsequently led to Causation slight weakening Cause_change_of_strength .

Erika passed Motion_directional a short distance to the north of the Lesser Antilles , and later turned Becoming to the north in response Response to an approaching Arriving trough .

Maemi formed Coming_to_be on September 4 , 2003 from a disturbance in a monsoon trough in the western Pacific Ocean .

It formed Coming_to_be on November 18 , 2003 , from the monsoon trough to the west of the Marshall Islands .

Waka originated Coming_to_be within the near-equatorial trough in mid-December 2001 , although the system remained Presence disorganized for more than a week .

The third named Name_conferral storm Catastrophe of the 1963 Atlantic hurricane Catastrophe season , Cindy developed Coming_to_be within a trough as a tropical storm in the Gulf of Mexico on 16 September .

by september 11 , tropical storm rick merged Cause_to_amalgamate with a trough .

Forming as the third named storm and hurricane of the annual hurricane season , Carlos developed Coming_to_be from a trough first noted by the National Hurricane Center on June 7 .

After slight oscillations in strength , an upper-level trough forced Control the intense hurricane Catastrophe northwest on July 21 , and Emilia began Process_start to weaken Cause_change_of_strength thereafter .

Turning north , and later northeast , Bertha soon weakened Cause_change_of_position_on_a_scale as it began Process_start to merge with an approaching trough to the west .

Cyclone Erica developed Coming_to_be from a monsoonal trough on 4 March just off of Queensland .

An approaching Arriving trough turned Change the rapidly weakening Cause_change_of_strength system to the east toward Mexico .

The fifth tropical cyclone and fifth named storm of the hurricane season , Edouard developed Coming_to_be from a trough in the northern Gulf of Mexico on August 3 .

The storm Catastrophe degenerated Change into a remnant low later that day , before merging Becoming_a_member with another trough on the next day .

The fourth tropical cyclone and named Name_conferral storm of the 2012 Atlantic hurricane season , Debby developed Coming_to_be from a trough of low pressure in the central Gulf of Mexico on June 23 .

On December 1 , Epsilon began Process_start a northeast motion due Causation to an approaching Arriving trough , and the next day it attained Getting hurricane Catastrophe status .

Due to rainfall from a trough for several days , combined Cause_to_amalgamate in some areas from Candy itself , flooding occurred Coming_to_be in eastern Texas ; there was minor damage Damaging to crops , roads , and bridges .

though a subtropical ridge was forcing Causation the cyclone Catastrophe westward at the time , an approaching shortwave trough caused Causation sam to track Motion southward the following day , towards the australian coast .

although forecasters had predicted rewa to make landfall Arriving near mackay , queensland , the cyclone Catastrophe began Process_start interacting with an upper-level trough on 18 january , causing it to divert Motion to the southeast and move Motion along the queensland coast .

With low wind shear and a surge in the monsoon trough , the storm Catastrophe intensified Cause_change_of_position_on_a_scale while meandering over open waters .

The first named Name_conferral storm Catastrophe , the first hurricane , and the first major hurricane Catastrophe of the 2004 Atlantic hurricane Catastrophe season , Alex developed Coming_to_be from the interaction between an upper-level low and a weak surface trough on July 1 to the east of Jacksonville , Florida .

An approaching Arriving trough over the central United States induced Causation high wind shear over Sandy as it traversed Motion_directional the Bahamas , causing Causation the hurricane to weaken Cause_change_of_strength to a tropical storm while turning Becoming more northeastward .

The southern part of the trough detached , causing Causation the shear to decrease Cause_change_of_position_on_a_scale late on October 28 and allowing Preventing_or_letting Sandy to regain Earnings_and_losses strength .

Moving generally to the east due to a trough , the depression intensified Cause_change_of_strength into a tropical storm on October 6 , and the next day reached Arriving peak winds of while approaching the west coast of Florida .

However , over the next day , after the mid-level trough of low pressure shearing Motion the system moved Motion faster than expected , Alan became Becoming better organized Arranging .

The sixteenth named Name_conferral storm Catastrophe and fourth hurricane Catastrophe of the 2011 Atlantic hurricane season , Nate originated Coming_to_be from a frontal trough in the Bay of Campeche on September 7 .

The eleventh named storm Catastrophe , seventh hurricane Catastrophe , and third major hurricane Catastrophe of the annual hurricane season , Kate originated Coming_to_be from the interaction of an upper-level trough and tropical wave northeast of Puerto Rico on November 15 .

The system subsequently rapidly weakened Cause_change_of_strength and became Becoming an extratropical cyclone during December 1 , before they were absorbed by an advancing Motion trough of low pressure near 50°S on December 4 .

Hudah first developed Coming_to_be as a disturbance embedded Connect within the monsoon trough on March 22 , within the Australian region cyclone basin .

The second named Name_conferral storm Catastrophe of the season , Bella originated Coming_to_be in the middle of January 1991 from a surge in the monsoon trough to the southwest of Sumatra .

The twenty-fifth named storm and fourteenth typhoon of the 1981 Pacific typhoon season , Irma originated Coming_to_be from an active monsoon trough to the east of the Philippines .