East Asia and Western Pacific METEOROLOGY AND CLIMATE

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^ - ^^KiKS^;--^Sxy^^ . ^ &^>sx^>^.-- Fig. {15} Precipitation anomaly distribution for the second 3-day period. y i«.'-*•>•«•- «.. » > 4 * * f V I *-y;.». * : | Fig, (18; Anomaly meridional oirculation. on the iao°-lE8°E mean cross-section for the second 3-day period. SOU 30U OH geopotential height anomaly distribution for
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UNIVERSITY OF HONG KOHG LlBEAEY
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International Conference on East As
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FOREWORD The International Conferen
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VHI LIST OF PARTICIPANTS IN THE PHO
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45 LIM, Hock National University of
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XIII INTERNATIONAL ORGANIZING COMMI
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XV! The mean heat sources over Asia
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XVIII , Jhe impact of urbanization
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XX The East Asia heavy rainfall num
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THE THERMAL STRUCTURE AND CONVECTIV
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THE COUPLING OF UPPER-LEVEL AND LOW
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Q \ ed atmospheric processes * 2. M
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2) DH Experiment The horizontal flo
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of the orography, establishing a na
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11 a o 12 21 36 4$ 60 fZ Pig.3. Nea
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14 OVERVIB/V CF MEI-YU RESEARCH IN
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16 Fig.l Climatological daily rainf
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18 showed a marked contrast between
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20 3. SWDPTiC ^mLYSIS WD DIA^DSTIC
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22 and Chang (27). It was also foun
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24 triggering mechanisms. In additi
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26 important mechanism for creating
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28 mature convections. Satellite pi
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30 States included 70 scientists an
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1-4 M-H C CO *+-« C CD 4-9 C o •
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34 19.Chen, G.T. J., "A study on sy
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36 complexes: 27-28 May 1981 case",
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38 On Temporal Variations of Low Le
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40 low-level flows of the Asian sum
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42 the northern part of the Pacific
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44 cycle is observed for the amplit
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46 SUMMER (6-85 : 12 2 M979 P:850 M
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Observed Structure and Propagation
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50 southeasterly current in the wes
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40°N 30°N 15°N Equator 90°E 105
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54 The pattern of arrows in Fig. 3
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56 Figure 5. Vertical cross-section
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58 TOE MEAN HEAT SOURCES OVER ASIAN
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60 over tost parts of India, Southe
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62 inctly different types. One is t
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64 60 70 too no 120 00
Page 89 and 90: Fig.2.The 7-month mean values of (a
Page 91 and 92: 68 A NUMERICAL SIMULATION OF THE ME
Page 93 and 94: 70 Synoptic circulation patterns fo
Page 95 and 96: 72 (iii) The mid-latitude westerlie
Page 97 and 98: 74 and the temperate latitude weste
Page 99 and 100: 76 O 1 - (b) Total I Rainf a" 4 0
Page 101 and 102: 78 LONGITUDE TIME WINOCROS5 SECTION
Page 103 and 104: A simulation of Lee-Cyclogenesis ov
Page 105 and 106: 82 implemented to the global model
Page 107 and 108: 84 In all three experiments, a deep
Page 109: 86 References: Ballish, A.B., 1980:
Page 116 and 117: 93 1.2-a I2.S 120. 127,5 US. 11.5 7
Page 118 and 119: 95 2. Climatology of East Asian mon
Page 120 and 121: 97 850 MB WIND (U*. V) S. 0 30N i~^
Page 122 and 123: 99 120 ISO ISO 210 2VJ 770 ISO 180
Page 124 and 125: Figure 6 (a) Time-longitude section
Page 126 and 127: 103 Monsoon cyclones /-~N I Subtrop
Page 128 and 129: 105 INFLUENCE OF VARIATIONS OF THE
Page 130 and 131: surface during the rainy period of
Page 132 and 133: located at the position of the firs
Page 134 and 135: egion of western Australia. These t
Page 138: 115 Fig.^57 Characteristics of vari
Page 143 and 144: 120 The model results also demonstr
Page 145 and 146: 122 The diabatic heating rate Q inc
Page 147 and 148: 124 MODE SELECTION (WL=200QQ KM) MO
Page 149 and 150: 126 (a) OEOPOTEHTIflL FRED (A] VEKT
Page 151 and 152: 128 CQMPRRISON OF GROWTH RflTE KELV
Page 153 and 154: 130 from the dynamic effect of the
Page 155 and 156: 132 Altitude: Inclination: Period:
Page 157 and 158: 134 Local enhanced cloud image Clou
Page 162 and 163: 139 APPLYING TROPOPAUSE DATA OBSERV
Page 164 and 165: The main objectives of the Program
Page 166 and 167: 143 system, method of assimilation
Page 168 and 169: 145 Some radiosonde data were used
Page 170 and 171: 147 [13 [2] [3] [43 [5] [6] [73 [8]
Page 172 and 173: 149 0 1 2 3 4 o T(°K) FLq. 7 The R
Page 174 and 175: 151 1. INTRODUCTION In this study,
Page 176 and 177: 153 3. METHODOLOGY The data analysi
Page 178 and 179: 155 0*73 KM TAMEX IOP2 00*31 a P »
Page 180 and 181: 157 • cooling to a minimum from t
Page 182 and 183: 159 6. ACKNOWLEDGMENTS The authors
Page 184 and 185: 161 seasons sometimes brought great
Page 186 and 187: 163 carefully analyzed. In Fig.3 th
Page 188 and 189: 165 Fig. 6. (a) The 850 mb map of 0
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167 i: Fig.10. The CAA radar reflec
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169 convergence. Consequently a str
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171 Atmospheric optical remote sens
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Lambert reflector, there is no need
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175 occurs and the average is 0.^1.
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In order to futher broaden applicat
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[21]* Lu Daren, "Lidar Equation Tak
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time to derive the radar estimated
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time interval of 60 minutes, the av
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The digital radar at RO has been ve
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187 FIGURE 1. LOCATION OF RADAR AND
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iU 9 FIGURE 5. REGRESSION RELATION
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were mainly focused on predicting f
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193 following two kinds: (a) Macrob
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195 Case 1: Squall line Fig. 1 is t
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197 radar's data makes the weather
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799 Revival of the Tipping-bucket R
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201 rainfall, (2) Donnelly ' introd
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203 at Holt, Missori is just barely
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205 Table 2 Rainfall Intensity and
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207 valve micro adjustment valve wa
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9 10 11 12 - 25 - _ n A . _ _ _ _
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211 In the final section, the paper
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213 2.2 Observation From Satellite
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215 To ascertain the activity of th
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217 the west-northwest and swept ac
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was found that instead of slowing d
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221 1. OBSERVATIONAL ASPECTS Observ
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223 and i) They receive a substanti
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225 factor for the rapid collapse o
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227 clouds. These clouds trap the I
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229 W/m 2 . It can be seen that the
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231 Fig. 3. The vertical distributi
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233 equatorial region, the meridion
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235 Using a stable leap-frog scheme
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237 the form d& BS. —£ „ _ n
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239 Knutson, T. R. , K. M. Weickman
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241 A Study On The Radiative Balanc
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243 The net downward solar radiatio
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245 space. This effect is the green
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247 are downward. REFERENCES Arakaw
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249 data from ERBE 31 / 18.4 Fig. 3
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251 INTRODUCTION TO HEIHE BASIN FEI
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crop growth, and desert) and climat
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Rainfall station Well for measuring
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over desert area and its possible e
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discontinously in addition to the m
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261 THE IMPACT OF URBANIZATION ON C
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263 TABLE 2. Longterm Temperatures
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265 TABLE 3. Trends in 10 Year Runn
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267 The change in estimated buildin
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269 TABLE 4. Commonly Hypothesized
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271 an effort to minimize the impac
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273 detailed study of changes in th
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0: O O o S E S 1 - I • £ o ° £
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277 2100 GMT 9 MAY 5 104 J03 IO2 10
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279 It is interesting to note that
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281 climatology of the MM4 precipit
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283 Kuo, Y.-H., D.O. Gill and L. Ch
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285 has been investigated by Eady 6
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287 with the classical Eady waves,
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289 Figs. 7-8 (for case 2e) show th
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291 generate more positive kinetic
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293 6] Eady, E. T., 1949: Long wave
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295 But, for wind and geopotential
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297 dary layer in z-coordinate to a
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299 As R -*0> 0=1, U T = u , V T ~
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301 Cb) CO Fig. la shows the orogra
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2 y -f -5 * b* The numerical result
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305 expense of smaller droplets and
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307 low value of 0.4g-irT . The ver
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309 Parrish, J. ^ L. , and A. J. He
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31 1987 6/16 165310 T= -1.7 C Z = 5
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ON DYNAMICAL STUDIES OF ORO GRAPHIC
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315 lateral boundaries. The model i
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317 air sounding, over Panchiao (al
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319 Fig.l Satellite imagery for May
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321 -ISO -50 X-AXIS C KM Fig,7 The
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323 Numerical Simulations of topogr
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325 The physical processes of the o
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327 Fig. 3 The east-west cross sect
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329 0500 LST the next morning, the
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331 (Walker and Rowntree, 1977). Mo
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Study on the Frontal Cyclone System
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Fig.9 indicates the ageostrophic co
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337 £ * ,- (6) dp dy where u g is
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339 100 110 120 130 Fig.3 The synop
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•= 1979/2/04/002 VORTICITY KE-S/S
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343 The Microphysics of a Mei-Yu Ca
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345 1. Introduction Observational r
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347 where V(x) = terminal fallspeed
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349 3.2 Results with Figs. 1 height
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351 Srivastava, E.G., 1978: Paramet
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353 TRRCK - 1 (1115 Q - 1131 QJ PR0
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355 filtered from model because it
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357 The dispersion relationship is
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359 REFERENCE Chao Jiping and Ji Zh
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361 Pig. 1. Anomalous fields of the
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363 Fig. a. Ac the coupling coeffic
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365 A THREE-DIMENSIONAL MODEL OF TH
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367 HYDRODYNAMIC MODELING The hydro
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369 grid, and time level respective
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Model verification with only astron
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Rank DESIGN TYPHOON SURGE HEIGHT NE
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INTERAiWAL VARIABILITIES OF THE WES
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10° N), the strength index is the
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warm water of the upper WEPO west o
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the NWPO and the data obtained from
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383 UO V E ISO' 160 170' 18CT 0 15U
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385 Large Scale Air-Sea Interaction
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387 expands, more and more interact
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389 On ENSO time scales, the pertur
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I. The principal processes responsi
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determine their influence on SST va
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395 References Hsiung, J., 1985: Es
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397 Modeling Piiot Studies Enhanced
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399 THE RELATIONSHIP BETWEEN CURREN
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401 2. THE PROGRAM The objectives o
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403 INFLUENCE OF MICROSCALE AIR-SEA
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405 The results shown In Fig. 1 are
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407 laboratory, momentum flux to wa
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some of the problems, which are bac
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411 REFERENCES Haimbach, S. P. and
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413 The climatology of global SST f
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415 Reference Berlage H.P., "The So
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417 90 N IE' 120' ' 'iio' ' ' ' '12
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Fig.4. Map of the standard deviatio
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421 the rugged coastline terrain. A
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423 The experiment was repeated man
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425 CONCLUSIONS: The use of wind-tu
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427 80 60 U mm/s. 40 * 20 0:02 0.04
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429 THE IMPLEMENTATION AND OPERATIO
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437 42 Physical Processes The physi
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433 time cross-section at two grid-
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435 55 70 75 80 85 90 95 100 105 11
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437 Nanling Figure 4 Topography (TG
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439 BMC LIMITED AREA MODEL: OPERATI
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1 - 00 (P S V -j mV- — JQ.4-6 m w
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443 and caused severe flood. Local
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445 forecast. Based on a nested ver
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447 Fig.5. 24-hour forecasts of RT
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449 THE OPERATIONAL GLOBAL FORECAST
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451 Numerical Simulation of Mesosca
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453 closure model (1974). Radiation
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455 prone to boundary contamination
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457 RMS errors for RO is relatively
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459 Comparison of the surface tempe
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461 AN OVERVIEW OF PRESENT TYPHOON
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; 463 and intensity estimation. How
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465 a. 24-hour forecast errors The
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467 compared with previous years. S
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469 Table 1. Initial position error
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471 Table 5. 48-hour forecast error
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473 48-hour Forecast Errors Rel. to
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4/5 tegration scheme basically foll
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477 '' / » where 1 d . ..... wher
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ainy season of Yangtze valley (bai-
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Fig. 1 ECMWF -FGGE analysis of 500
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483 40} Fig.4 Daily position of the
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485 THE ROYAL OBSERVATORY LONG RANG
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487 (2) Based on possible relations
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489 CONCLUSIONS Seasonal rainfall f
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491 (verifying against the actual M
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YEAR 1975 1976 1977 1978 1979 1980
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495 computational trajectories are
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497 Substituting Eq. (5) into Eqs.
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499 These curves divide the plane (
Page 524 and 525:
501 REFERENCES (1] .Fua,D. ,Chimona
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503 1. INTRODUCTION The earth topog
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505 In this study, the following pa
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507 equations. The 18 ordinary diff
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509 To investigate the statistical
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511 0 ^^S08%#g!%J!J#^ a), T, Q 3 Ap
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FREQUENCY DISTRIBUTION OF 30 DAY RU
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515 EFFECTS OF VERTICAL WIND-SHEAR
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517 ANALOGOUS RHYTHM PHENOMENON OF
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519 layers of the earth's crust) sh
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521 where r 4j is the correlation c
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the equations and so on. Then perfo
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525 An Inquiry into the Nature of R
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527 (1) - 2F 0 ( + %,0) + JCF.9)) +
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529 4.a Dependence of the instabiii
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531 4.b Properties of the unstable
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the jet core. The maximum value is
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535 Frederiksen. J., and R. C. Bell
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537 DYNAMICS OF VORTEX MOTION ON TR
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In Fiorino and Elsberry (1989), the
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541 vortex. Solutions obtained by p
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543 the present linear model, the s
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545 Figure 3, Steady-state asymmetr
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547 EFFECT OF THERMAL AND DYNAMIC F
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549 where b=g(T-Tr)/Tr buoyance for
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from the center of cyclone. Tn addi
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553 typhoon, indi rating the primar
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555 the center at 200 hPa and the m
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557 vertical turbulent flux of mome
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559 RECENT RESULTS IN LIMITED-AREA
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561 PEL scheme consists of a simila
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563 divergence, vorticity and gener
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565 Fig. 1. Observations and 24 hou
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567 62. S 56.5 -70.0 -60.0 58.5 or
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LIN,Y.J. Structural features of a s
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572 WANG, Bin WANG, Jough-Tai WU, J
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East Asia and Western Pacific METEOROLOGY AND CLIMATE

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