Surface Thermodynamic Gradients Associated with Gulf of Mexico Sea-Breeze Fronts

White, Loren D.; Koziara, Michael

doi:10.1155/2018/2601346

Cited by 4 publications

(5 citation statements)

References 44 publications

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“…During the Summer the East of the region is often influenced by the trade winds from the Atlantic, whereas in the West the North Pacific High pressure system (which lies consistently to the North‐West of the country) moves Southwards in the summer influencing weather patterns to the North of the country's Pacific coast (Schroeder et al ., 2013). Mexico has more than 9,000 km of coast, which are influenced by sea breezes (White and Koziara, 2018). Furthermore, the Pacific and Atlantic coasts are frequently threatened by tropical storms and hurricanes during the summer and autumn Taylor and Alfaro (2005), most commonly in regions with significant wind power infrastructure (Jáuregui, 2003), and can have the ability to damage onshore and offshore wind turbines (Rose et al ., 2012).…”

Section: Introductionmentioning

confidence: 99%

Drivers of extreme wind events in Mexico for windpower applications

Thomas

Martínez‐Alvarado

Drew

et al. 2020

Intl Journal of Climatology

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In this study, we use a k-mean clustering approach to investigate the weather patterns responsible for extreme wind speed events throughout Mexico using 40 years of the ERA-5 atmospheric reanalysis. Generally, we find a large geographical split between the weather patterns that generate the strongest winds across the country. The highest wind power production periods therefore occur at different times in different regions across the country. In the South, these are associated with cold surge events, where an anticyclone is present in the Gulf of Mexico resulting in a strong Northerly flow across the Isthmus of Tehuantepec. In the NorthEast , Easterly trade winds are responsible for the strongest wind events, whereas in the NorthWest , it is the proximity of the North Pacific High. However, the weakest winds and lowest power production periods occur at the same times for all stations with the exception of Baja California Sur, meaning that low wind power production may be unavoidable at these times. The El Niño Southern Oscillation is found to influence wind speeds at some locations across Mexico at sub-seasonal timescales. We report that statistically stronger wind speeds are observed during the Summer during El Niño months than during La Niña months for both sites in Chiapas and Oaxaca.

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Section: Introductionmentioning

confidence: 99%

Drivers of extreme wind events in Mexico for windpower applications

Thomas

Martínez‐Alvarado

Drew

et al. 2020

Intl Journal of Climatology

View full text Add to dashboard Cite

show abstract

“…During the Summer the East of the region is often influenced by the trade winds from the Atlantic, whereas in the West the North Pacific High pressure system (which lies consistently to the North-West of the country) moves Southwards in the summer influencing weather patterns to the North of the country's Pacific coast (Schroeder et al, 2013). Mexico has more than 9,000 km of coast, which are influenced by sea breezes (White and Koziara, 2018). Furthermore, the Pacific and Atlantic coasts are frequently threatened by tropical storms and hurricanes during the summer and autumn Taylor and Alfaro (2005), most commonly in regions with significant wind power infrastructure (Jáuregui, 2003), and can have the ability to damage onshore and offshore wind turbines (Rose et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Drivers of Extreme Wind Events in Mexico for Wind Power Applications

Thomas¹,

Martínez‐Alvarado²,

Drew

et al. 2020

Preprint

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<p>In this talk, we investigate the causes of the strongest and weakest winds observed across Mexico and explore the consequences of these to current and future wind energy production in the country. Using 40 years of the ERA-5 atmospheric reanalysis data, we find that the strongest winds in this region are caused by cold surges, where an anticyclone moves South from the Central United States of America resulting in strong Northerly winds across the Gulf of Mexico which channel through the gap in the mountains to the South of Mexico. Other regions have different drivers for high and low wind speed events. The strongest winds across the East coast of Mexico originate from Easterly trade winds propagating across the Gulf of Mexico, whereas those in Baja California Sur are influenced by the proximity of the North Pacific High. These regions in Mexico have&#160;peak (and sustained low) wind speeds at different times of year&#160;which suggests that wind farms in different regions could compliment one another to&#160;optimise wind power generation. However, all stations but&#160;Baja California Sur see the same weather patterns associated with weak wind events, meaning that low wind power production may be unavoidable at these times. The conditions that proceed these sustained periods of strong and weak winds are explored to gain some predictability for wind power applications. The El Nino Southern Oscillation is found to influence wind speeds at some locations across Mexico at sub-seasonal time-scales.</p>

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“…The thermal gradient between the land and the sea has long been understood to be an important factor in the generation of sea breezes [3,5]. Through observational evidence, the horizontal inland-coastal thermal gradient plays a role in the inland advancement of sea breezes in the SEUS as well.…”

Section: Discussionmentioning

confidence: 99%

“…The mesoscale sea breeze is a coastal atmospheric phenomenon that is frequently observed in the Southeastern U.S. (SEUS; [1][2][3]). Sea breezes are primarily generated due to differing sensible heating rates between land and the water.…”

Section: Introductionmentioning

confidence: 99%

Impacts of the Thermal Gradient on Inland Advecting Sea Breezes in the Southeastern United States

2022

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Sea breezes are frequently observed in the South Carolina/Georgia region of the Southeastern United States (SEUS) and can reach upwards of 150km inland. This region is unique among the places frequently affected by sea breeze due to it being a continental location with relatively flat topography. The thermal gradient between land and water environments is a factor in introducing the sea breeze, but its role in the inland extent of sea breeze propagation isn’t as well known. We investigate the role of the thermal gradient in previously catalogued sea breeze events observed at the Savannah River Site (SRS) by taking differences of temperature measurements at inland and coastal weather stations for the days that the events occurred. We saw that the temperature differences for those days were much higher than in the non-sea breeze days during the mornings and afternoon. Numerical models were also used to conduct a sensitivity study on a sea breeze case, using simple modifications of the temperature gradient. We found that while the modifications did not stop the generation of a sea breeze circulation, the extent of the inland propagation was dependent on the magnitude of the thermal gradient.

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Surface Thermodynamic Gradients Associated with Gulf of Mexico Sea-Breeze Fronts

Cited by 4 publications

References 44 publications

Drivers of extreme wind events in Mexico for windpower applications

Drivers of extreme wind events in Mexico for windpower applications

Drivers of Extreme Wind Events in Mexico for Wind Power Applications

Impacts of the Thermal Gradient on Inland Advecting Sea Breezes in the Southeastern United States

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