▶ Product Description

NWP products are based on the direct model output of the KMA(Korea Meteorological Administration)’s operational global model - GDAPS(Global Data Assimilation and Prediction System) based on UM(Unified Model from UK Met office) with about 25 km horizontal resolution and 70 vertical layers (model top- 80km).

I. Numerical Weather Charts (14 kinds)

a. Mean Sea Level Pressure (MSLP) and 6 hrs Accumulated Precipitation

  - Black line; MSLP in 2 hPa interval

  - Color shading; Accumulated Precipitation for 6 hrs (>0.5 mm)

b. 850 hPa GPH, Temperature, Mixing Ratio

  - Blue line; Geopotential Height in 30 m interval

  - Red line; Temperature in 3 degree interval

  - Color shading; Mixing Ratio in 2 g/kg interval

  - Wind barb; Wind Speed and Direction (> 27. 5 knots)

c. 700 hPa GPH, Temperature, Equivalent Pontential Temperature

  - Blue line; Geopotential Height in 60 m interval

  - Red line; Temperature in 3 degree interval

  - Color shading; Equivalent Potential Temperature in 3K

d. 500 hPa GPH, Temperature, Relative Vorticity [E-6/s]

  - Blue line; Geopotential Height in 60 m interval

  - Red line; Temperature in 3 degree interval

  - Color shading; Relative Humidity in 2E-6/s interval

e. 300 hPa (200 hPa) GPH, Temperature, Isotach

  - Blue line; Geopotential Height in 120 m interval

  - Red line; Temperature in 3 degree interval

  - Color shading; Isotach (> 50 knots)

  - 200 hPa from May to October; 300 hPa from November to April next year.

f. 850 hPa Streamline and Isotach

  - Blue line; Streamline

  - Shading; Isotach (> 25 knots)

g. 850 hPa Convergence [E-6/s] and Isotach

  - Red line; Isotach (> 25 knots)

  - Shading; Convergence in 5E-6/s interval

  - Wind barb; Wind Speed and Direction

h. K-index

  - Black line; K-index in the interval of 5

  - Shading; K-index > 25

i. Lifted Index (LI)

  - Black line; LI in the interval of 1

  - Shading; -6 < LI < 4

j. Showalter Stability Index for 850 - 500 hPa (925-700 hPa) (SSI)

  - Black line; SSI in the interval of 3

  - Shading; -7 < LI < 3 (interval of 1)

  - 850 - 500 hPa from May to October ; 925 -700 hPa from November to April next year

k. 850 hPa Moisture Flux [0.1m/s] and Convergence [E-9/s]

  - Red arrow; Moisture Flux

  - Shading; Convergence in 5E-9/s interval

l. 500 hPa Temperature, 700 hPa T-Td

  - Red line; 500 hPa Temperature in 3 degree interval

  - Shading; 700 hPa T-Td between 0 and 4

m. 850 hPa Temperature, 700 hPa P-Velocity [hPa/hr]

  - Red line; 850 hPa Temperature in 3 degree interval

  - Shading; 700 hPa P-velocity in 5 hPa/hr interval

  - Wind barb; Wind Speed and Direction

n. 300 hPa (200 hPa) Divergence [E-6/s] and Isotach

  - Red line; Isotach (> 50 knots)

  - Shading; Divergence in 5E-6/s interval

  - 200 hPa from May to October; 300 hPa from November to April next year

II. City-specific NWP products (time-series)

a. 1^st Frame ; Wind Barb, Temperature (red contour), Cloud/Rain water, Ice and Snow (shaded).

b. 2^nd Frame ; Surface Pressure

c. 3^rd Frame ; Relative Humidity

d. 4^th Frame ; Wind Barb, Wind Speed (blue line) and Wind Gust (green line) (knots)

e. 5^th Frame ; 3 hrs (short-range) or 12 hrs (medium-range) accumulated and total accumulated precipitation (mm)

f. 6^th Frame ; Temperature (C)