Large-scale characteristics of landfalling tropical cyclones with abrupt intensity change

Abstract

Data from the China Meteorological Administration and ERA-Interim are used to examine the environmental characteristics of landfalling tropical cyclones (TCs) with abrupt intensity change. The results show that, of all 657 landfalling TCs during 1979–2017, 71%, 70% and 65% of all landfalling TDs, TSs and TYs, respectively, intensify. Of all the 16595 samples, 4.0% and 0.2% of typhoons and tropical storms, respectively, experience over-water rapid intensification (RI) process during their life cycle. Meanwhile, 4.5% and 0.6% of typhoons and tropial storms, respectively, undergo over-water rapid decay (RD). These two kinds of cases, i.e., RI and RD, are used to analyze their associated large-scale conditions. Comparisons show that the RI cases are generally on the south side of the strong western Pacific subtropical high (WPSH); warm sea surface temperatures (SSTs) and sufficient water vapor fluxes existing in RI samples is a dominant feature that is conducive to the development of TCs. Also, the moderate low-level relative vorticity is favorable for TC intensification. On the contrary, the RD TCs are located on the west side of the WPSH; significant decreasing SSTs and low-level water vapor transport may synergistically contribute to RD. Simultaneously, low-level relative vorticity seems to be unfavorable for the development of TCs.

Keywords

landfalling tropical cyclone / abrupt intensity change / environmental factors / dynamic composite analysis

References

[1] Bosart L F, Velden C S, Bracken W E, Molinari J, Black P G (2000). Environmental influences on the rapid intensification of Hurricane Opal (1995) over the Gulf of Mexico. Mon Weather Rev, 128(2): 322–352

[2] Chan J C L, Duan Y, Shay L K (2001). Tropical cyclone intensity change from a simple ocean-atmosphere coupled model. J Atmos Sci, 58(2): 154–172

[3] DeMaria M (1996). The effect of vertical wind shear on tropical cyclone intensification change. J Atmos Sci, 53: 2076–2088

[4] Elsberry R L, Lambert T D B, Boothe M A (2007). Accuracy of Atlantic and eastern North Pacific tropical cyclone intensity forecast guidance. Weather Forecast, 22(4): 747–762

[5] Elsberry R L (2014). Advances in research and forecasting of tropical cyclones from 1963–2013. Asia-Pacc J Atmos Sci, 50(1): 3–16

[6] Emanuel K A (1999). Thermodynamic control of hurricane intensity. Nature, 401(6754): 665–669

[7] Emanuel K, DesAutels C, Holloway C, Korty R (2004). Environmental control of tropical cyclone intensity. J Atmos Sci, 61(7): 843–858

[8] Gray W M, Brody L R (1967). Global view of the origin of tropical disturbances and storms. Atmospheric Sci Pape, 114

[9] Huang W, Liang X (2010). Convective asymmetries associated with tropical cyclone landfall; β-plane simulations. Adv Atmos Sci, 27(4): 795–806

[10] Jiang H (2012). The relationship between tropical cyclone intensity change and the strength of inner-core convection. Mon Weather Rev, 140(4): 1164–1176

[11] Kaplan J, DeMaria M (2003). Large-scale characteristics of rapidly intensifying tropical cyclones in the North Atlantic basin. Weather Forecast, 18(6): 1093–1108

[12] Kaplan J, DeMaria M, Knaff J A (2010). A revised tropical cyclone rapid intensification index for the Atlantic and eastern North Pacific basins. Weather Forecast, 25(1): 220–241

[13] Liang J, Wu L, Gu G (2018). Rapid weakening of tropical cyclones in monsoon gyres over the tropical western North Pacific. J Clim, 31(3): 1015–1028

[14] Lin I I, Wu C C, Emanuel K, Lee I H, Wu C R, Pun I F (2005). The interaction of Super Typhoon Maemi (2003) with a warm ocean eddy. Mon Weather Rev, 133(9): 2635–2649

[15] Lowag A, Black M L, Eastin M D (2008). Structural and intensity change of Hurricane Bret (1999). Part I: environmental influences. Mon Weather Rev, 136(11): 4320–4333

[16] Merrill R T (1988). Environmental influences on hurricane intensification. J Atmos Sci, 45(11): 1678–1687

[17] Paterson L A, Hanstrum B N, Davidson N E, Weber H C (2005). Influence of environmental vertical wind shear on the intensity of hurricane-strength tropical cyclones in the Australian region. Mon Weather Rev, 133(12): 3644–3660

[18] Pfeffer R L, Challa M (1981). A numerical study of the role of eddy fluxes of momentum in the development of Atlantic hurricanes. J Atmos Sci, 38(11): 2393–2398

[19] Pun I F, Chang Y T, Lin I I, Tang T Y, Lien R C (2011). Typhoon-ocean interaction in the Western North Pacific, Part 2. Oceanography (Wash DC), 24(4): 32–41

[20] Reynolds R W, Smith T M, Liu C, Chelton D B, Casey K S, Schlax M G (2007). Daily high-resolution-blended analyses for sea surface temperature. J Clim, 20(22): 5473–5496

[21] Shu S, Ming J, Chi P (2012). Large-scale characteristics and probability of rapidly intensifying tropical cyclones in the western North Pacific basin. Weather Forecast, 27(2): 411–423

[22] Simmons A (2006). ERA-Interim: new ECMWF reanalysis products from 1989 onwards. ECMWF Newsletter, 110: 25–36

[23] Willoughby H E, Clos J A, Shoreibah M G (1982). Concentric eye walls, secondary wind maxima, and the evolution of the hurricane vortex. J Atmos Sci, 39(2): 395–411

[24] Wood K M, Ritchie E A (2015). A definition for rapid weakening of North Atlantic and eastern North Pacific tropical cyclones. Geophys Res Lett, 42(22): 10–091

[25] Yuan T, Jiang H (2010). Forecasting rapid intensification of tropical cyclones in the western North Pacific using TRMM/TMI 37 GHz microwave signal. In: 65th Interdepartmental Hurricane Conference (IHC). Miami, USA

[26] Zhang Q, Wu L, Liu Q (2009). Tropical cyclone damages in China 1983–2006. Bull Am Meteorol Soc, 90(4): 489–496

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