Note
Click here to download the full example code
Wind Barbs Plot¶
What it's for: A Wind Barbs plot uses standardized meteorological symbols to represent wind speed and direction at various points on a map.
When to use: Use this when you need a clear, precise representation of wind speed categories and directions across a geographic region. It is the traditional way to display wind data on weather maps.
How to read: * The Staff: Points in the direction the wind is blowing from. * The Barbs/Flags: Attached to the end of the staff. Each full barb represents 10 units of speed (e.g., knots or m/s), a half-barb is 5 units, and a pennant (flag) is 50 units. * Interpretation: Allows you to quickly assess wind speed and direction patterns, identifying features like wind shifts and areas of high wind speeds.
import matplotlib.pyplot as plt
import numpy as np
from monet_plots.plots.wind_barbs import WindBarbsPlot
# 1. Prepare sample data
class GridObj:
def __init__(self, lat, lon):
self.variables = {
"LAT": lat[np.newaxis, np.newaxis, :, :],
"LON": lon[np.newaxis, np.newaxis, :, :],
}
lats = np.linspace(30, 50, 10)
lons = np.linspace(-125, -70, 10)
lon_grid, lat_grid = np.meshgrid(lons, lats)
gridobj = GridObj(lat_grid, lon_grid)
ws = np.random.uniform(5, 50, (10, 10))
wdir = np.random.uniform(0, 360, (10, 10))
# 2. Initialize and plot
plot = WindBarbsPlot(ws, wdir, gridobj, figsize=(10, 8))
plot.plot()
plt.title("Wind Barbs Example")
plt.show()
Total running time of the script: ( 0 minutes 0.128 seconds)
Download Python source code: plot_wind_barbs.py