The impact of the storm-induced SST cooling on hurricane intensity

Zhu, Tong; Zhang, Dalin

doi:10.1007/s00376-006-0002-9

Cited by 74 publications

(45 citation statements)

References 31 publications

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“…3c), while the post-storm SST is cooler than the average SST. The difference between the SST prior to and after the storm is related to the storm intensity (Zhu and Zhang 2006). The stronger the tropical cyclone/hurricane, the larger the difference is found.…”

Section: Resultsmentioning

confidence: 97%

Satellite microwave detected SST anomalies and hurricane intensification

et al. 2007

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Sea surface temperature (SST) from the remotely sensed infrared measurements, like the GOES, AVHRR, and MODIS, etc., show missing values of SST over the cloudy regions associated with hurricanes. While satellite microwave measurements, like the Tropical Rainfall Measuring Mission (TRMM) microwave imager (TMI), can provide SST even under cloudy conditions. Both satellite microwave measurements and buoy observations show SST increase in advance of significant hurricane intensification. Moreover, hurricane intensification may also be related to the location of high SST. Our results indicate pre-existing high SST anomaly (SSTA) located at the right side of the storm track for Hurricane Katrina. Numerical simulations also confirm the important impacts of SSTA location on hurricane intensification. Similar situations are also found for Hurricanes Rita and Wilma. In contrast, if there is no high SSTA at the right location, hurricane may not undergo further intensification. This may explain why not all tropical cyclones associated with warm waters can attain peak intensity (categories 4 and 5) during their life cycle, and partially explains why hurricanes do not reach the maximum potential intensity as calculated only according to the magnitude of SST.Keywords GOES AE TMI AE IR AE Microwave AE SST AE SST anomaly (SSTA) AE Hurricanes Katrina Rita and Wilma AE Impacts of time and location of SSTA on hurricane intensification IntroductionThe year 2005 is a record-breaking year for Atlantic Hurricanes. There were 28 named storms and 15 hurricanes, including three Category 5 hurricanes, Katrina, Rita, and the strongest hurricane on record in the Atlantic basin: Wilma. Katrina

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Section: Resultsmentioning

confidence: 97%

Satellite microwave detected SST anomalies and hurricane intensification

et al. 2007

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“…First, TC's maximum surface wind speed V max values and sea-air temperature contrast (SAT) show a distinct correlation in their variabilities (cf., [32]). Second, SST and air temperature values are linearly related to a first order approximation [33,34] and thus SST and SAT (SST minus air temperature) too are correlated.…”

Section: Methodsmentioning

confidence: 99%

“…On the first assumption, the time-evolution of V max and SAT has been shown to be identical in their directions (not amplitude) during phases of intense storms (cf., [32]) due to enhanced vertical transport. (An offline analysis also showed significant spatial linear correlation with sea-air temperature contrast.).…”

Section: Development Of a Linear V Max Model And Its Validation Againmentioning

confidence: 99%

Towards Dependence of Tropical Cyclone Intensity on Sea Surface Temperature and Its Response in a Warming World

Arora

Dash

2016

Climate

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Tropical Cyclone (TC) systems affect global ocean heat transport due to mixing of the upper ocean and impact climate dynamics. A higher Sea Surface Temperature (SST), other influencing factors remaining supportive, fuels TC genesis and intensification. The atmospheric thermodynamic profile, especially the sea-air temperature contrast (SAT), also contributes due to heat transfer and affects TC's maximum surface wind speed (V max ) explained by enthalpy exchange processes. Studies have shown that SST can approximately be used as a proxy for SAT. As a part of an ongoing effort in this work, we simplistically explored the connection between SST and V max from a climatological perspective. Subsequently, estimated V max is applied to compute Power Dissipation Index (an upper limit on TC's destructive potential). The model is developed using long-term observational SST reconstructions employed on three independent SST datasets and validated against an established model. This simple approach excluded physical parameters, such as mixing ratio and atmospheric profile, however, renders it generally suitable to compute potential intensity associated with TCs spatially and weakly temporally and performs well for stronger storms. A futuristic prediction by the HadCM3 climate model under doubled CO 2 indicates stronger storm surface wind speeds and rising SST, especially in the Northern Hemisphere.

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“…Previous studies have shown that TC intensity is significantly affected by the vertical structure of warm ocean eddies [12,22] and SST [69][70][71][72][73]. However, it is not clear to what extent the vertical structure of warm ocean eddies affects TC intensity, mainly due to the lack of in situ measurement data of the vertical structure of warm ocean eddies.…”

Section: Influences Of Sst On Tc Intensity Changementioning

confidence: 99%

A GIS Study of the Influences of Warm Ocean Eddies on the Intensity Variations of Tropical Cyclones in the South China Sea

Feng

Peng

et al. 2016

IJGI

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This study presented the spatial distribution patterns of tropical cyclones (TCs) in the South China Sea (SCS) and discussed the possible influences of average sea surface temperature (SST) and the size of warm ocean eddies on changes in the intensity of TCs passing over them. Between 1993 and 2013, the SCS has experienced 233 TCs, of which 134 have interacted with warm ocean eddies. The results of fuzzy c-means (FCM) clustering showed that these TCs are mainly located in the northern portion of the SCS. After interacting with warm ocean eddies, TCs may intensify, remain at the same intensity, or weaken. For intensifying TCs, the enhancements range from 0 to 3 m/s only; however, this level of TC intensity enhancement is statistically significant at p<0.05. Further statistical analyses show that warm ocean eddies with a higher-than-average SST and a larger ratio between the size of the warm ocean eddies and the radius of the TC maximum wind may help intensify passing TCs.

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The impact of the storm-induced SST cooling on hurricane intensity

Cited by 74 publications

References 31 publications

Satellite microwave detected SST anomalies and hurricane intensification

Satellite microwave detected SST anomalies and hurricane intensification

Towards Dependence of Tropical Cyclone Intensity on Sea Surface Temperature and Its Response in a Warming World

A GIS Study of the Influences of Warm Ocean Eddies on the Intensity Variations of Tropical Cyclones in the South China Sea

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