Research Article

Numerical Simulations of Airborne Glaciogenic Cloud Seeding Using the WRF Model with the Modified Morrison Scheme over the Pyeongchang Region in the Winter of 2016

Table 1

Summary of the seeding information, weather conditions, and model configurations.

EXP1EXP2EXP3
Date29 Jan 20166 Feb 201620 Feb 2016

Seeding information
 Period (LST)
1252–1336
1521–1555
1355–1432
 AgI (g hr−1)184121181946
 Seeding height
(km, above the mean sea level)
2.22.12.5
 Seeding path
(start/end point)
37°43′N, 128°55′E/
37°49′N, 128°49′E
37°55′N, 128°36′E/
37°51′N, 128°27′E
37°46′N, 128°45′E/37°46′N, 128°35′E
37°48′N, 128°44′E/37°44′N, 128°34′E
37°48′N, 128°43′E/37°42′N, 128°33′E
Weather information (CPOS site from AWS and radiometer)
 Time040006300500
 Wind speed (m s−1)0.401.96
 Temperature (°C)
 Humidity (%)97.695.061.6
 LWP (g m−2)577120.315.6

Model configurations
 Domain area
(upper left/lower right)
38°11′N, 127°58′E/
37°11′N, 129°23′E
38°22′N, 127°50′E/
37°24′N, 129°13′E
38°12′N, 127°52′E/
37°14′N, 129°15′E
 Period (UTC)0000–1800
 Model top50 hPa
 Longwave radiationRapid radiative transfer model
 Shortwave radiationGoddard shortwave scheme
 PBLYSU scheme
 Land surface“Noah” land surface scheme
 Surface layerMM5 similarity
 MicrophysicsMorrison scheme with AgI cloud-seeding parameterization
 Horizontal grid interval1 km
 Dimension (, , )121 × 106 × 40
 Initial and boundary conditionUM LDAPS analysis data (3 hr, 1.5 km resolution)