USING TRMM DATA TO ANALYSE THE PRECIPITATION DISTRIBUTIONS OF LANDFALL TROPIC CYCLONES IN GUANGDONG IN 2002

Ding Weiyu; Chen Zitong

Vol.15, NO.4, 2004

Article Contents

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Ding Weiyu, Chen Zitong. Using TRMM data to analyse the precipitation distributions of landfall tropic cyclones in Guangdong in 2002. J Appl Meteor Sci, 2004, 15(4): 436-444.

Citation:

Ding Weiyu, Chen Zitong. Using TRMM data to analyse the precipitation distributions of landfall tropic cyclones in Guangdong in 2002. J Appl Meteor Sci, 2004, 15(4): 436-444.

Ding Weiyu, Chen Zitong. Using TRMM data to analyse the precipitation distributions of landfall tropic cyclones in Guangdong in 2002. J Appl Meteor Sci, 2004, 15(4): 436-444.

Citation:

Ding Weiyu, Chen Zitong. Using TRMM data to analyse the precipitation distributions of landfall tropic cyclones in Guangdong in 2002. J Appl Meteor Sci, 2004, 15(4): 436-444.

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USING TRMM DATA TO ANALYSE THE PRECIPITATION DISTRIBUTIONS OF LANDFALL TROPIC CYCLONES IN GUANGDONG IN 2002

Guangzhou Institute of Tropical and Marine Meteorology of CMA , Guangzhou 510080

Received Date: 2003-01-22
Rev Recd Date: 2003-12-09
Publish Date: 2004-08-31

Abstract

Abstract

The quality of quasi-global, near-real-time, TRMM-based precipitation estimates have been tested by automatic weather stations rainfall record in Guangdong Province, during the 3 tropical cyclones landfall periods in 2002. Results show that they have good relationship and the TRMM product can reveal the TCs 3-h temporal rain distributions. The temporal and spatial distributions of the TCs rain rate have been analysed, and the large scale circulation environment of these TCs have also been discussed. Results show that the radial distributions of the rain bands are changeable during the TCs landfall periods. Besides the low level moisture flux transmission and terrain, the inner region rain bands of TC Kammuri and Vongfong are weakened by the intensification of their outer region rain bands, that is similar to the former observation and research.
- TRMM rain rate;
- Landfall TCs;
- Precipitation distributions

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References(10)

Figures and Tables

图 1 (a)“北冕”(TC0212) 不同半径范围内降水强度随时间的变化 (b) TRMM估测降水 (08-04-21 :00 UTC)(单位:mm·h^-1)

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图 2 (a)“黄蜂”(TC0214) 不同半径范围内降水强度随时间的变化 (b) TRMM估测降水 (08-19-12 :00 UTC)(单位:mm·h^-1)

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图 3 (a)“黑格比”(TC0218) 不同半径范围内降水强度随时间的变化 (b) TRMM估测降水 (09-11-21 :00 UTC)(单位:mm·h^-1)

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图 4 (a)“北冕”(TC0212) 降水方向-时间变化 (b) T213模式5日00 :00 UTC 1000 hPa, 925 hPa和850 hPa总的水汽通量散度场 (单位:10-5g°kg^-1·s^-1)

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图 5 “黄蜂”(TC0214) 降水方向-时间变化

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图 6 “黑格比”(TC0218) 降水方向-时间变化

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图 7 “北冕”(a)、“黄蜂”(b) 和“黑格比”(c) 中心55km半径范围平均降水强度随时间变化

(图中粗黑点表示登陆时刻)

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表 1 2002年登陆广东的热带气旋概况

表 2 TRMM 3 h降水资料与广东自动站降水资料的比较

References

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