mirror of https://github.com/ecmwf/eccodes.git
Examples: BUFR radiosonde in Python (Updated by Bruce)
This commit is contained in:
Shahram Najm
parent
f215d2bd12
commit
f1c57fff45
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@ -10,7 +10,7 @@
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. ./include.sh
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#Define a common label for all the tmp files
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# Define a common label for all the tmp files
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label="bufr_read_tempf_f"
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tempOut=temp.${label}.txt
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tempRef=temp.${label}.ref
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@ -59,6 +59,7 @@ if( HAVE_BUILD_TOOLS )
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bufr_read_tropical_cyclone
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bufr_read_synop
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bufr_read_temp
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bufr_read_tempf
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bufr_set_keys
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bufr_subset
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get_product_kind
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@ -93,6 +94,7 @@ else()
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bufr_read_tropical_cyclone
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bufr_read_synop
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bufr_read_temp
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bufr_read_tempf
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bufr_set_keys
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bufr_subset
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get_product_kind
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@ -1,5 +1,5 @@
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#
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# Copyright 2005- ECMWF.
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# (C) Copyright 2005- ECMWF.
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#
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# This software is licensed under the terms of the Apache Licence Version 2.0
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# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
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@ -28,6 +28,7 @@ import sys
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import traceback
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import numpy as np
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from eccodes import *
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INPUT = "../../data/bufr/PraticaTemp.bufr"
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@ -37,7 +38,7 @@ VERBOSE = 1 # verbose error reporting
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def example():
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# open BUFR file
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f = open(INPUT, "rb")
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llstdonly = 1
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llstdonly = 1 # If 1 then list standard levels only, 0 list all levels
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cnt = 0
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# loop over the messages in the file
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while 1:
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@ -57,9 +58,13 @@ def example():
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codes_set(bufr, "unpack", 1)
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# get header information from the message
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try:
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sid = codes_get(bufr, "aircraftRegistrationNumberOrOtherIdentification")
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dropid = codes_get(bufr, "aircraftRegistrationNumberOrOtherIdentification")
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except Exception:
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sid = "UNKNOWN"
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dropid = "UNKNOWN "
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try:
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shipid = codes_get(bufr, "shipOrMobileLandStationIdentifier")
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except Exception:
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shipid = "UNKNOWN "
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statid = "00000 "
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try:
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@ -70,20 +75,30 @@ def example():
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except Exception:
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statid = "00000 "
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if statid == "00000 ":
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statid = sid[0:8]
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statid = shipid[0:8]
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if statid == "UNKNOWN ":
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statid = dropid[0:8]
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# subtype = codes_get(bufr,'rdbSubtype')
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sondetype = codes_get(bufr, "radiosondeType")
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if sondetype == CODES_MISSING_LONG:
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sondetype = 0
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slat = codes_get_array(bufr, "latitude")
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slon = codes_get_array(bufr, "longitude")
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slat = np.where(slat != CODES_MISSING_DOUBLE, slat, np.nan)
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slon = np.where(slon != CODES_MISSING_DOUBLE, slon, np.nan)
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try:
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htg = codes_get(bufr, "heightOfStationGroundAboveMeanSeaLevel")
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if htg == CODES_MISSING_DOUBLE:
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htg = np.nan
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except Exception:
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htg = -999.0
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htg = np.nan
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try:
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htp = codes_get(bufr, "heightOfBarometerAboveMeanSeaLevel")
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if htp == CODES_MISSING_DOUBLE:
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htp = np.nan
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except Exception:
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htp = -999.0
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htp = np.nan
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year = codes_get(bufr, "year")
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month = codes_get(bufr, "month")
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day = codes_get(bufr, "day")
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@ -91,8 +106,10 @@ def example():
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minute = codes_get(bufr, "minute")
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try:
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second = codes_get(bufr, "second")
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if second == CODES_MISSING_LONG:
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second = 0
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except Exception:
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second = 0.0
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second = 0
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date = str.format("%i%.2i%.2i" % (year, month, day))
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time = str.format("%.2i%.2i%.2i" % (hour, minute, second))
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try:
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@ -101,7 +118,7 @@ def example():
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codes_release(bufr)
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continue
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print(
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"Ob: %7i %s %s %s %7.3f %8.3f %6.1f %6.1f %3i %4i"
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"Ob: %7i %8s %s %s %7.3f %8.3f %6.1f %6.1f %3i %4i"
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% (
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cnt,
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statid,
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@ -127,9 +144,14 @@ def example():
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htec = codes_get(
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bufr, "heightOfStation"
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) # Height from WMO list (appended by ECMWF)
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print("WMO list lat, lon, ht: %7.3f %8.3f %6.1f" % (slat[1], slon[1], htec))
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if htec == CODES_MISSING_LONG:
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htec = np.nan
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print(
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"WMO list lat, lon, ht: %s %7.3f %8.3f %6.1f"
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% (statid, slat[1], slon[1], htec)
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)
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except Exception:
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htec = 0
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htec = np.nan
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# get all the timePeriods
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dtime = codes_get_array(bufr, "timePeriod")
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@ -156,14 +178,14 @@ def example():
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dewt = np.where(dewt != CODES_MISSING_DOUBLE, dewt, np.nan)
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windd = np.where(windd != CODES_MISSING_LONG, windd, np.nan)
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windsp = np.where(windsp != CODES_MISSING_DOUBLE, windsp, np.nan)
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geopoth = np.where(geopoth != CODES_MISSING_DOUBLE, geopoth, np.nan)
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geopoth = np.where(geopoth != CODES_MISSING_LONG, geopoth, np.nan)
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pressure = np.where(pressure != CODES_MISSING_DOUBLE, pressure, np.nan)
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# pressure = np.where(pressure > -1e10, pressure, np.nan)
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print(
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"level dtime dlat dlon pressure geopotH airTemp dewPtT windDir windSp signif"
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)
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for i in range(0, len(windsp)):
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if (not llstdonly) or vsSignif[i] != 65536:
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if llstdonly and vsSignif[i] != 65536:
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continue
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print(
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"%5i %6.1f %6.3f %6.3f %8.1f %7.1f %7.2f %7.2f %7.2f %7.2f %7i"
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@ -185,6 +207,7 @@ def example():
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codes_release(bufr)
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# close the file
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f.close()
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print("Finishing normally. Number of BUFR records read: ", cnt)
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def main():
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@ -0,0 +1,46 @@
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#!/bin/sh
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# (C) Copyright 2005- ECMWF.
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#
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# This software is licensed under the terms of the Apache Licence Version 2.0
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# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
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#
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# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
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# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
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#
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. ./include.sh
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# Define a common label for all the tmp files
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label="bufr_read_tempf_p"
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tempOut=temp.${label}.txt
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tempRef=temp.${label}.ref
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rm -f $tempRef $tempOut
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REDIRECT=/dev/null
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# The path to the BUFR file is hardcoded in the example
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$PYTHON $examples_src/bufr_read_tempf.py > $tempOut
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#TODO: check the results
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# Check the results
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cat > $tempRef<<EOF
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Ob: 1 16245 20151202 110419 41.670 12.450 35.0 36.0 114 64
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level dtime dlat dlon pressure geopotH airTemp dewPtT windDir windSp signif
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2 44.0 -0.000 0.001 100000.0 243.0 286.16 280.56 147.00 0.20 65536
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3 169.0 -0.001 0.000 92500.0 892.0 280.94 278.07 68.00 3.00 65536
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7 316.0 -0.000 -0.002 85000.0 1593.0 283.60 269.23 60.00 4.00 65536
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14 630.0 -0.003 0.003 70000.0 3187.0 274.99 244.50 296.00 5.40 65536
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24 1117.0 -0.005 0.018 50000.0 5828.0 258.61 246.93 310.00 3.30 65536
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29 1411.0 -0.011 0.030 40000.0 7482.0 247.70 219.91 273.00 2.20 65536
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32 1761.0 -0.004 0.033 30000.0 9493.0 230.33 216.70 157.00 3.30 65536
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37 1967.0 0.003 0.028 25000.0 10696.0 220.52 204.05 157.00 5.20 65536
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42 2234.0 0.016 0.017 20000.0 12098.0 208.45 199.44 119.00 8.40 65536
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53 2578.0 0.015 0.018 15000.0 13835.0 207.93 190.61 316.00 8.70 65536
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Finishing normally. Number of BUFR records read: 1
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EOF
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#diff -w $tempRef $tempOut
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# Clean up
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rm -f $tempRef $tempOut
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