Contribution of Tropical Cyclones to the North Atlantic Climatological Rainfall as Observed from Satellites

Rodgers, E. B.; Adler, Robert F.; Pierce, Harold F.

doi:10.1175/1520-0450(2001)040<1785:cotctt>2.0.co;2

Cited by 72 publications

(73 citation statements)

References 19 publications

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“…It has been shown that the Hadley Centre global model, HadCM3 underestimated cloud cover over most of the globe, especially over lowlatitude oceans (Martin et al 2004), which resulted in underestimation of precipitation. The RCM shows dry bias mainly in the late wet season when some fraction of total precipitation comes from tropical cyclones (Rodgers et al 2001;Jian and Zipser 2010). The model's inability to simulate cyclones realistically may explain a part of the dry bias seen in the late wet season.…”

Section: Conclusion and Discussionmentioning

confidence: 99%

Climate change in Central America and Mexico: regional climate model validation and climate change projections

2011

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Central America has high biodiversity, it harbors high-value ecosystems and it's important to provide regional climate change information to assist in adaptation and mitigation work in the region. Here we study climate change projections for Central America and Mexico using a regional climate model. The model evaluation shows its success in simulating spatial and temporal variability of temperature and precipitation and also in capturing regional climate features such as the bimodal annual cycle of precipitation and the Caribbean low-level jet. A variety of climate regimes within the model domain are also better identified in the regional model simulation due to improved resolution of topographic features. Although, the model suffers from large precipitation biases, it shows improvements over the coarse-resolution driving model in simulating precipitation amounts. The model shows a dry bias in the wet season and a wet bias in the dry season suggesting that it's unable to capture the full range of precipitation variability. Projected warming under the A2 scenario is higher in the wet season than that in the dry season with the Yucatan Peninsula experiencing highest warming. A large reduction in precipitation in the wet season is projected for the region, whereas parts of Central America that receive a considerable amount of moisture in the form of orographic precipitation show significant decreases in precipitation in the dry season. Projected climatic changes can have detrimental impacts on biodiversity as they are spatially similar, but far greater in magnitude, than those observed during the El Niño events in recent decades that adversely affected species in the region.

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Section: Conclusion and Discussionmentioning

confidence: 99%

Climate change in Central America and Mexico: regional climate model validation and climate change projections

2011

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“…(5) Probability distributions are much different among the basins, and the TCs in WP are the most intense. Rodgers et al (2000) and Rodgers et al (2001) estimated TC rainfall amounts from the SSM/I observations within a 444 km radius of the TC center. On the other hand, Jiang and Zipser (2010) defined TC rainfall as that observed within 500 km from the TC center.…”

Section: Discussionmentioning

confidence: 99%

“…Observational studies utilize satellite-borne instruments as well as ground-based weather radar and aircraft reconnaissance. Rodgers et al (2000) and Rodgers et al (2001) estimated TC rainfall amounts from the Special Sensor Microwave Imager instruments (SSM/I) on board the Defense Meteorological Satellite Program (DMSP) satellite within a 444 km radius of the center of TCs, in the North Pacific and the North Atlantic Oceans, respectively. They found that TCs contribute 7% of the rainfall to the entire domain of the North Pacific and 4% of the rainfall to the entire domain of the North Atlantic during TC season.…”

Section: Introductionmentioning

confidence: 99%

Mean Features of Tropical Cyclone Precipitation from TRMM/3B42

Kamahori¹

2012

SOLA

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The mean features of precipitation distribution associated with tropical cyclones are evaluated as anomalies from environmental precipitation fields, in six tropical cyclone active basins, using satellite-derived daily precipitation observation. A common feature in all basins is that concentric positive precipitation anomalies extend within a 5-degree radius from the tropical cyclone center with maximum values of 70 to 100 mm day −1 . These distributions are well approximated by a Gaussian curve with an e-folding radius of 2.2 to 2.8 degrees. Positive precipitation anomalies are surrounded by negative anomalies in all basins, indicating suppression of precipitation due to the tropical cyclones themselves at a large distance from the center. The negative anomalies have minimum values of −2 to −3 mm day −1 and are distributed mainly on the equatorial side of the center. Precipitation excess frequency around the tropical cyclones is also evaluated. The western North Pacific has maximum values of excess frequencies in all basins, in which the frequency for 100 mm day −1 is 26 days yr −1 and that for 200 mm day −1 is 1.8 days yr −1 within a 1-degree radius from the center. We assume that tropical cyclones in the western North Pacific have the greatest precipitation intensity.

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“…Rodgers et al 2001;Larson et al 2005;Ren et al 2006;Brun and Barros 2014;Konrad et al 2002;Konrad and Perry 2009;Davis 2007, 2009;Prat and Nelson 2013;Dare et al 2012) or global (e.g. Jiang and Zipser 2010) scale.…”

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confidence: 99%

“…A typical choice among precipitation attribution studies is 500 km (e.g. Rodgers et al 2001;Larson et al 2005;Lau et al 2008;Jiang and Zipser 2010). This provides helpful guidance to the spatial extent of TCs' influence on moisture fluxes, but should not be adopted directly without validation.…”

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confidence: 99%

Moisture transport by Atlantic tropical cyclones onto the North American continent

Osborn

Matthews

2016

Clim Dyn

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Contribution of Tropical Cyclones to the North Atlantic Climatological Rainfall as Observed from Satellites

Cited by 72 publications

References 19 publications

Climate change in Central America and Mexico: regional climate model validation and climate change projections

Climate change in Central America and Mexico: regional climate model validation and climate change projections

Mean Features of Tropical Cyclone Precipitation from TRMM/3B42

Moisture transport by Atlantic tropical cyclones onto the North American continent

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