icon_download

1 files changed, 41 insertions, 0 deletions

diff --git a/icon_download.sh b/icon_download.sh
new file mode 100755
index 0000000..d461b48
--- /dev/null
+++ b/icon_download.sh
@@ -0,0 +1,41 @@
+#!/bin/bash
+
+# http://opendata.dwd.de/weather/nwp/icon-d2/grib/00/t/icon-d2_germany_regular-lat-lon_pressure-level_2023080200_000_1000_t.grib2.bz2
+
+# <BASE>/<RUN>/<PARAMETER>/icon-d2_regular-lat-lon_pressure-level_<INIT>_<OFFSET>_<LEVEL>_<PARAMETER>
+
+OUTDIR=dwd_icon-d2
+MODEL=icon-d2
+MODEL_LONG=icon-d2_germany
+BASE="http://opendata.dwd.de/weather/nwp"
+
+RUN="00"
+PARAMETERS=( "t" )
+PRESSURE_LEVELS=( "1000" "975" "950" "850" "700" "600" "500" "400" "300" "250" "200" )
+OFFSETS=( "000" )
+DATE=$(date +%Y%m%d)
+
+mkdir -p $OUTDIR
+
+echo -n > "$OUTDIR/index.txt"
+
+for PARAMETER in ${PARAMETERS[@]}; do
+	for OFFSET in ${OFFSETS[@]}; do
+		for LEVEL in ${PRESSURE_LEVELS[@]}; do
+			URL="$BASE/$MODEL/grib/$RUN/$PARAMETER/${MODEL_LONG}_regular-lat-lon_pressure-level_${DATE}${RUN}_${OFFSET}_${LEVEL}_${PARAMETER}.grib2.bz2"
+			BNAME=$(basename "$URL")
+			echo Getting "$URL"
+			echo "$BNAME" >> $OUTDIR/index.txt
+			wget -q --directory-prefix=$OUTDIR  "$URL"
+
+		done
+	done
+done
+
+echo Done downloading. Decompressing...
+
+for F in $OUTDIR/*.grib2.bz2; do
+	bzip2 -df "$F"
+done
+
+echo Done.