Hurricane Tico (1983)
Encyclopedia
Hurricane Tico was among the deadliest and costliest Pacific hurricane
Pacific hurricane
A Pacific hurricane or tropical storm is a tropical cyclone that develops in the northeastern part of the Pacific Ocean. For organizational purposes, the northern Pacific Ocean is divided into three regions: the eastern, , central , and western...

s on record. Forming on October 11, the cyclone steadily intensified off the Pacific coast of Mexico
Mexico
The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

. Three days after forming, Tico reached hurricane intensity. Early on October 19, Tico peaked as a Category 4 hurricane on the Saffir-Simpson Hurricane Scale. Later that day, Tico made landfall in Sinaloa
Sinaloa
Sinaloa officially Estado Libre y Soberano de Sinaloa is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is divided in 18 municipalities and its capital city is Culiacán Rosales....

. The remains were tracked into the Mid-Atlantic States
Mid-Atlantic States
The Mid-Atlantic states, also called middle Atlantic states or simply the mid Atlantic, form a region of the United States generally located between New England and the South...

 for five more days.

Tico was the most destructive and deadliest tropical cyclone
Tropical cyclone
A tropical cyclone is a storm system characterized by a large low-pressure center and numerous thunderstorms that produce strong winds and heavy rain. Tropical cyclones strengthen when water evaporated from the ocean is released as the saturated air rises, resulting in condensation of water vapor...

 of the season. A total of 141 people were killed and the damage amounted to $284 million (1983 USD). Though, most of its impact occurred in Mexico
Mexico
The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

, Tico's remnants moved into the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, where they caused heavy rains and flooding.

Meteorological history

The origins of Hurricane Tico were from a weak tropical disturbance that crossed Costa Rica into the Pacific Ocean
Pacific Ocean
The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

 on October 7. It tracked westward through an area of progressively warmer water temperatures, and by October 11 the system was sufficiently organized to be declared Tropical Depression Twenty-One, about 575 mi (930 km) south of the Mexican port of Acapulco
Acapulco
Acapulco is a city, municipality and major sea port in the state of Guerrero on the Pacific coast of Mexico, southwest from Mexico City. Acapulco is located on a deep, semi-circular bay and has been a port since the early colonial period of Mexico’s history...

. The depression initially maintained a west-northwest motion, although on October 12 it turned sharply northward, due to the influence of a strong trough
Trough (meteorology)
A trough is an elongated region of relatively low atmospheric pressure, often associated with fronts.Unlike fronts, there is not a universal symbol for a trough on a weather chart. The weather charts in some countries or regions mark troughs by a line. In the United States, a trough may be marked...

 moving eastward through Mexico. Gradually organizing, the depression was upgraded to Tropical Storm Tico on October 13 by the Eastern Pacific Hurricane Center
Eastern Pacific Hurricane Center
The Eastern Pacific Hurricane Center was formerly the Regional Specialized Meteorological Center responsible for forecasting Pacific hurricanes in the eastern north Pacific east of 140°W...

.

Tropical Storm Tico continued to intensify as it progressed toward the southwest Mexican coastline. A Hurricane Hunters
Hurricane Hunters
The Hurricane Hunters are aircraft that fly into tropical cyclones in the North Atlantic Ocean and Northeastern Pacific Ocean for the specific purpose of directly measuring weather data in and around those storms. In the United States, the Air Force, Navy, and NOAA units have all participated in...

 flight late on October 13 indicated the beginnings of an eyewall
Eye (cyclone)
The eye is a region of mostly calm weather found at the center of strong tropical cyclones. The eye of a storm is a roughly circular area and typically 30–65 km in diameter. It is surrounded by the eyewall, a ring of towering thunderstorms where the second most severe weather of a cyclone...

, 14 miles (22 km) in diameter, although the eye was open and incomplete. The next day, Tico strengthened further to attain hurricane status, about 190 mi (310 km) off the Guerrero
Guerrero
Guerrero officially Estado Libre y Soberano de Guerrero is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is divided in 81 municipalities and its capital city is Chilpancingo....

 coast. Around that time, a building ridge
Ridge (meteorology)
A ridge is an elongated region of relatively high atmospheric pressure, the opposite of a trough....

 to the north of Tico turned the hurricane northwestward away from land. The intensity fluctuated by about 20 mph (35 km/h) for two days, during which it curved more to the west. By October 16, its strengthening rate quickened, and Tico reached major hurricane status (Category 3 or higher on the Saffir-Simpson Hurricane Scale
Saffir-Simpson Hurricane Scale
The Saffir–Simpson Hurricane Scale , or the Saffir–Simpson Hurricane Wind Scale , classifies hurricanes — Western Hemisphere tropical cyclones that exceed the intensities of tropical depressions and tropical storms — into five categories distinguished by the intensities of their sustained winds...

).
After briefly weakening into a Category 2 hurricane, Hurricane Tico again attained major hurricane strength. Meanwhile, another trough moved eastward across northwestern Mexico; as a result, the hurricane turned northwestward and began accelerating while maintaining a well-defined eye. Early on October 19, it reached peak winds of 135 mph (215 km/h) about 200 mi (320 km) south-southeast of the southern tip of the Baja California Peninsula
Baja California Peninsula
The Baja California peninsula , is a peninsula in northwestern Mexico. Its land mass separates the Pacific Ocean from the Gulf of California. The Peninsula extends from Mexicali, Baja California in the north to Cabo San Lucas, Baja California Sur in the south.The total area of the Baja California...

. It weakened slightly as it approached the coast, and at about 1500 UTC
Coordinated Universal Time
Coordinated Universal Time is the primary time standard by which the world regulates clocks and time. It is one of several closely related successors to Greenwich Mean Time. Computer servers, online services and other entities that rely on having a universally accepted time use UTC for that purpose...

 that day Tico made landfall
Landfall (meteorology)
Landfall is the event of a tropical cyclone or a waterspout coming onto land after being over water. When a waterspout makes landfall it is reclassified as a tornado, which can then cause damage inland...

 very near Mazatlán
Mazatlán
Mazatlán is a city in the Mexican state of Sinaloa; the surrounding municipio for which the city serves as the municipal seat is Mazatlán Municipality. It is located at on the Pacific coast, across from the southernmost tip of the Baja California peninsula.Mazatlán is a Nahuatl word meaning...

 with winds of 125 mph (205 km/h). It rapidly weakened over land and merged with a cold front
Cold front
A cold front is defined as the leading edge of a cooler mass of air, replacing a warmer mass of air.-Development of cold front:The cooler and denser air wedges under the less-dense warmer air, lifting it...

, although significant moisture from the hurricane persisted into the South Central United States
South Central United States
The South Central United States or South Central states is a region of the United States located in the south central part of the country. It evolved out of the archaic southwest, which originally was literally the western U.S. South...

. After dropping heavy rainfall in Oklahoma, the former low associated with Tico continued northeastward to near Lake Michigan
Lake Michigan
Lake Michigan is one of the five Great Lakes of North America and the only one located entirely within the United States. It is the second largest of the Great Lakes by volume and the third largest by surface area, after Lake Superior and Lake Huron...

. Precipitation spread across the Ohio Valley and Mid-Atlantic States
Mid-Atlantic States
The Mid-Atlantic states, also called middle Atlantic states or simply the mid Atlantic, form a region of the United States generally located between New England and the South...

 as the low turned southeastward, and the remnants of Tico were last observed on October 24 over Ohio
Ohio
Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...

.

Mexico

Although hurricane warnings were issued for portions of the country, many shrimp boat crew members ignored these warnings. As the tropical cyclone
Tropical cyclone
A tropical cyclone is a storm system characterized by a large low-pressure center and numerous thunderstorms that produce strong winds and heavy rain. Tropical cyclones strengthen when water evaporated from the ocean is released as the saturated air rises, resulting in condensation of water vapor...

 passed south of the Baja California Peninsula
Baja California Peninsula
The Baja California peninsula , is a peninsula in northwestern Mexico. Its land mass separates the Pacific Ocean from the Gulf of California. The Peninsula extends from Mexicali, Baja California in the north to Cabo San Lucas, Baja California Sur in the south.The total area of the Baja California...

, it dropped light rainfall of around 1 inch (25 mm) in the area. Moderate rainfall was reported around the landfall location, peaking at 8.98 inches (228 mm) in Pueblo Nuevo, Durango
Pueblo Nuevo, Durango
Pueblo Nuevo is one of the 39 municipalities of Durango, in north-western Mexico. The municipal seat lies at El Salto. The municipality covers an area of 6178.3 km²....

; lighter precipitation of 1–3 inches (25–75 mm) occurred further inland toward the Mexico
Mexico
The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

/United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 border.

Two 328 ft (100 m) anchored ships were washed aground by strong waves and swells, with a total of seven ships reported missing. Overall, the hurricane sank nine small ships, and nine fishermen were killed.

In Mazatlán
Mazatlán
Mazatlán is a city in the Mexican state of Sinaloa; the surrounding municipio for which the city serves as the municipal seat is Mazatlán Municipality. It is located at on the Pacific coast, across from the southernmost tip of the Baja California peninsula.Mazatlán is a Nahuatl word meaning...

 and 22 other nearby towns, power service was cut off but was restored the next day. Hurricane Tico was responsible severe flooding and heavy damage due tp strong winds. Throughout the state of Sinaloa
Sinaloa
Sinaloa officially Estado Libre y Soberano de Sinaloa is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is divided in 18 municipalities and its capital city is Culiacán Rosales....

, the hurricane destroyed nearly 19,000 acres (77 km²) of bean and corn, although most of the agricultural damage occurred south of Mazatlán. Many roofs of homes received damage. In addition, the hurricane disrupted the flow of drinking water. A total of 13 hotels received extensive damage and 14 people were hurt. Throughout Durango
Durango
Durango officially Estado Libre y Soberano de Durango is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. The state is located in Northwest Mexico. With a population of 1,632,934, it has Mexico's second-lowest population density, after Baja...

, many bridges collapsed due to flooding. Twenty-five thousand people were homeless and damage throughout the country was estimated at $200 million (1983 USD
United States dollar
The United States dollar , also referred to as the American dollar, is the official currency of the United States of America. It is divided into 100 smaller units called cents or pennies....

). However, the death toll was initially uncertain. Local reports from a few days after the storm indicated 105 people were missing. According to a report from the United States Agency for International Development indicated that Hurricane Tico caused a total of 135 deaths in Mexico.

Due to destruction from Hurricane Tico, President Miguel De La Madrid
Miguel de la Madrid
Miguel de la Madrid Hurtado is a Mexican politician affiliated to the Institutional Revolutionary Party who served as President of Mexico from 1982 to 1988.-Biography:...

 declared a state of emergency
State of emergency
A state of emergency is a governmental declaration that may suspend some normal functions of the executive, legislative and judicial powers, alert citizens to change their normal behaviours, or order government agencies to implement emergency preparedness plans. It can also be used as a rationale...

 and also ordered the department of health, defense, and Interior to rush to provide assistance to the devastated state.

United States

Flash flood watches and warnings were posted from Texas
Texas
Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

 to Missouri
Missouri
Missouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...

. Rain from Tico continued into the South-Central United States and increased after merging with the cold front. Rainfall totals of 5 in (127 mm) to 7 in (177.8 mm) extended from the Texas Panhandle
Texas Panhandle
The Texas Panhandle is a region of the U.S. state of Texas consisting of the northernmost 26 counties in the state. The panhandle is a rectangular area bordered by New Mexico to the west and Oklahoma to the north and east...

 through Missouri, and the greatest rainfall maxima was 16.95 inches (431 mm) in Chickasha, Oklahoma
Chickasha, Oklahoma
Chickasha is a city in and the county seat, business and employment center of Grady County, Oklahoma, United States. The population was 15,850 at the 2000 census. Chickasha is home to the University of Science and Arts of Oklahoma and hosts an annual Festival of Light celebration located at...

. Precipitation from Tico continued northeastward and eastward, with rainfall totals of 3–7 inches (75–175 mm) extending across the Ohio Valley and into the Mid-Atlantic States
Mid-Atlantic States
The Mid-Atlantic states, also called middle Atlantic states or simply the mid Atlantic, form a region of the United States generally located between New England and the South...

.

Flooding was reported in parts of southern Kansas, Texas, and especially Oklahoma, with serious flooding reported along the lower Washita River
Washita River
The Washita River is a river in Texas and Oklahoma, United States. The river is long and terminates into Lake Texoma in Johnston County , Oklahoma and the Red River.-Geography:...

.
The Oklahoma Highway Patrol
Oklahoma Highway Patrol
The Oklahoma Highway Patrol is a major state law enforcement agency of the government of Oklahoma. It is a division of the Oklahoma Department of Public Safety. The Oklahoma Highway Patrol was legislatively created in 1937 due to the growing problem of motor vehicle accidents, the expansion of a...

 asked for volunteers with motorboats 16 ft (4.9 m) or longer to help rescue 50-100 trapped people. The patrol also asked the Oklahoma City police to help find victims in the floodwaters, but plans for this were held off late on October 20 due to poor weather conditions. Across Guthire, 500 people, or 5% of the town's population, had sought three emergency shelter
Shelter
Shelter is a basic architectural structure or building that provides cover. The word may also refer to:-Places:*Port Shelter, Hong Kong*Shelter Bay , various locations*Shelter Cove , various locations...

s. According to officials, more evacuations to shelters were anticipated. Authorities planned to evacuate an additional 1,500 families. Throughout the town, water was 7 ft (2.1 m) deep and was moving at speeds between 20 mph (32.2 km/h) and 30 mph (13.4 m/s). The Cottonwood Creek, also near Guthire, reached flood stage. The nearby Cimarron river was rising 2 ft (0.6096 m) an hour. In Lexington, Oklahoma
Lexington, Oklahoma
Lexington is a city in Cleveland County, Oklahoma, United States. The city population was 2,152 at the 2010 census. Sperling Best Places reports that over 7400 residents live in the Lexington Zip code-Geography:Lexington is located at ....

 guardsmen were called out to help police. Across Lubbock, Texas
Lubbock, Texas
Lubbock is a city in and the county seat of Lubbock County, Texas, United States. The city is located in the northwestern part of the state, a region known historically as the Llano Estacado, and the home of Texas Tech University and Lubbock Christian University...

, sewer pipes were backed up due to 7 in (177.8 mm) inches of rain
Rain
Rain is liquid precipitation, as opposed to non-liquid kinds of precipitation such as snow, hail and sleet. Rain requires the presence of a thick layer of the atmosphere to have temperatures above the melting point of water near and above the Earth's surface...

. Throughout Oklahoma and Texas, 200 people were homeless and six people were killed and one person was missing. According to Kansas officials, one person was killed in the state. In the aftermath of the storm, residents cleaned up debris on streets. By October 23, people living in Guthire were given permission to return to their homes because floodwaters started to recede. A total of $77 million in crop damage occurred in Oklahoma. Total damage in the state was estimated at $84 million (1983 USD, $182 million 2009 USD).
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