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"**Brian Blaylock** \n",
"*January 4, 2021*\n",
"\n",
"# GLM Field of View Edges\n",
"GLM FOV edges from a file obtained from Katrina Virts and Scott Rudlosky in an email January 4, 2021. These are the FOV edges used in the paper _[Initial Geostationary Lightning Mapper Observations (Rudlosky et al. 2018)](https://doi.org/10.1029/2018GL081052)_\n",
"\n",
"> Hi Brian,\n",
">\n",
"> The attached file contains nominal FOV boundaries for GLM-16 when in test position (the first ~6 months after launch) and in GOES-East position at -75.2W, and for GLM-17 in GOES-West position at -137.2W in normal and inverted orientations. As Scott mentioned, GOES-17 undergoes biannual yaw flips. In the figure he attached, the solid (dashed) line depicts coverage during boreal summer (winter) when GLM-17 is in normal (inverted) orientation.\n",
">\n",
">Please let me know if you have any questions. Thanks!\n",
">\n",
">Katrina\n",
"\n",
"Contact them if you need the exact edges of the GLM FOV. Otherwise, the estimated boundary I derive here (patterned after glmtools) is pretty close. "
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"WARNING! No module named 'dask'\n",
"Without dask, you cannot use dask for multiprocessing.\n"
]
},
{
"name": "stderr",
"output_type": "stream",
"text": [
"/p/home/blaylock/BB_python/Carpenter_Workshop/toolbox/cartopy_tools.py:33: UserWarning: No module named 'geopandas' Without geopandas, you cannot subset some NaturalEarthFeatures, like \"Major Highways\" from roads.\n",
" warnings.warn(\n"
]
}
],
"source": [
"import xarray as xr\n",
"import matplotlib.pyplot as plt\n",
"import cartopy.crs as ccrs\n",
"from BB_maps.add_to_cartopy import common_features, pc\n",
"\n",
"# this just needed to display facecolor as transparent in this notebook...\n",
"import matplotlib as mpl\n",
"\n",
"mpl.rcParams[\"figure.facecolor\"] = \"w\"\n",
"%config InlineBackend.print_figure_kwargs={'facecolor' : 'none'}"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {},
"outputs": [],
"source": [
"g = xr.open_dataset(\"GLM_FOV_edges.nc\")"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {},
"outputs": [
{
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