IWAQM RECOMMENDATIONS FOR RUNNING THE MESOPUFF-II MODELING

SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . A-1

Spatial Scale . . . . . . . . . . . . . . . . . . . . A-1

Spatial Resolution . . . . . . . . . . . . . . . . . . A-2

Temporal Scale . . . . . . . . . . . . . . . . . . . . A-2

Precipitation and Upper Air Meteorological Processors A-2

User Instructions - Preprocessor Programs . . . . A-2

READ56/READ62 Upper Air Preprocessors . . . A-2

PXTRACT Precipitation Data Extract Program . A-6

PMERGE Precipitation Data Preprocessor . . A-10

MESOPAC Input Fields . . . . . . . . . . . . . . . . A-14

MESOPUFF-II Input Fields . . . . . . . . . . . . . . A-19

METHOD FOR CALCULATING REGIONAL VISIBILITY IMPAIRMENT . . . B-1

LIST OF FIGURES

Figure 1 - Modeling domain used in comparison analysis.

Surface meteorological stations are indicated by

place name. Rawinsonde stations are indicated by

station number. Elevations contours are in meters. . 3-5

Figure 2a - Wind Vector Plot for July 21, 1984, 1200 LST.

Level 1 winds are the layer average between the

surface and the mixing depth. . . . . . . . . . . . 3-10

Figure 2b - Wind Vector Plot for July 21, 1984, 1200 LST.

Level 2 winds are between the mixing depth and 700

mb. . . . . . . . . . . . . . . . . . . . . . . . . 3-11

Figure 3a - ARM3 wind field for level 1, 10 meters, for

July 21, 1984. . . . . . . . . . . . . . . . . . . . 3-15

Figure 3b - ARM3 wind field for level 3, 300 meters, for

July 21, 1984. . . . . . . . . . . . . . . . . . . . 3-16

Figure 3c - ARM3 wind field for level 6, 2400 meters, for

July 21, 1984. . . . . . . . . . . . . . . . . . . . 3-17

Figure 4a - MESOPUFF-II Mixing Heights for July 21, 1984,

1200 LST . . . . . . . . . . . . . . . . . . . . . . 3-21

Figure 4b - MESOPUFF-II Mixing Heights for July 21, 1984,

0000 LST . . . . . . . . . . . . . . . . . . . . . . 3-21

Figure 5a - ARM3 Mixing Heights for July 21, 1984 1200

LST. . . . . . . . . . . . . . . . . . . . . . . . . 3-22

Figure 5b - ARM3 Mixing Heights for July 21, 1984 0000

LST. . . . . . . . . . . . . . . . . . . . . . . . . 3-22

Figure 6 - Plot of hourly average mixing depths (m),

plotted every third hour. . . . . . . . . . . . . . 3-23

Figure B-1 - Correction factor to adjust for the effects

of relative humidity on light extinction calculations

(Tang et al., 1981). . . . . . . . . . . . . . . . . . B-4

LIST OF INSETS

Inset 1 - Method for calculating concentrations of SO and =

4

NO from SO and NO . . . . . . . . . . . . . . . . . . 5-5 

3 2 X

Inset 2 - Description of method to estimate deposition

from SO and NO concentrations. . . . . . . . . . . . 5-6

 

 

n1201 - n1202 - n1203 - n1204 - n1205 - n1206 - n1207 - n1208 - n1209 - n1210 - n1211 - n1212 - n1213 - n1214 - n1215 - n1216 - n1217 - n1218 - n1219 - n1220 - n1221 - n1222 - n1223 - n1224 - n1225 - n1226 - n1227 - n1228 - n1229 - n1230 - n1231 - n1232 - n1233 - n1234 - n1235 - n1236 - n1237 - n1238 - n1239 - n1240 - n1241 - n1242 - n1243 - n1244 - n1245 - n1246 - n12247 - n1248 - n1249 - n1250

 

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