diff --git a/definitions/grib1/localConcepts/ecmf/paramIdForConversion.def b/definitions/grib1/localConcepts/ecmf/paramIdForConversion.def
new file mode 100644
index 000000000..67de48733
--- /dev/null
+++ b/definitions/grib1/localConcepts/ecmf/paramIdForConversion.def
@@ -0,0 +1,31 @@
+# Concept paramIdForConversion for ECMWF
+# ECC-1806
+
+# 55 -> 228004
+228004 = {gribTablesVersionNo=128; indicatorOfParameter=55; centre=98;}
+# 56 -> 235168
+235168 = {gribTablesVersionNo=128; indicatorOfParameter=56; centre=98;}
+# 130232 -> 235135
+235135 = {gribTablesVersionNo=130; indicatorOfParameter=232; centre=98;}
+# 151163 -> 262104
+262104 = {gribTablesVersionNo=151; indicatorOfParameter=163; centre=98;}
+# 151145 -> 262124
+262124 = {gribTablesVersionNo=151; indicatorOfParameter=145; centre=98;}
+# 172146 -> 235033
+235033 = {gribTablesVersionNo=172; indicatorOfParameter=146; centre=98;}
+# 172147 -> 235034
+235034 = {gribTablesVersionNo=172; indicatorOfParameter=147; centre=98;}
+# 172169 -> 235035
+235035 = {gribTablesVersionNo=172; indicatorOfParameter=169; centre=98;}
+# 172175 -> 235036
+235036 = {gribTablesVersionNo=172; indicatorOfParameter=175; centre=98;}
+# 172176 -> 235037
+235037 = {gribTablesVersionNo=172; indicatorOfParameter=176; centre=98;}
+# 172177 -> 235038
+235038 = {gribTablesVersionNo=172; indicatorOfParameter=177; centre=98;}
+# 172178 -> 235039
+235039 = {gribTablesVersionNo=172; indicatorOfParameter=178; centre=98;}
+# 172179 -> 235040
+235040 = {gribTablesVersionNo=172; indicatorOfParameter=179; centre=98;}
+# 174098 -> 262000
+262000 = {gribTablesVersionNo=174; indicatorOfParameter=98; centre=98;}
diff --git a/definitions/grib1/localConcepts/ecmf/stepTypeForConversion.def b/definitions/grib1/localConcepts/ecmf/stepTypeForConversion.def
index e74860061..25aae31d8 100644
--- a/definitions/grib1/localConcepts/ecmf/stepTypeForConversion.def
+++ b/definitions/grib1/localConcepts/ecmf/stepTypeForConversion.def
@@ -1,11 +1,9 @@
# Concept stepTypeForConversion for ECMWF
-# set uses the FIRST one
-# get returns the LAST match
-# ECC-457: ECMWF Total Precipitation
-"accum" = {timeRangeIndicator=0;indicatorOfParameter=228;gribTablesVersionNo=128;centre=98;}
-"accum" = {timeRangeIndicator=1;indicatorOfParameter=228;gribTablesVersionNo=128;centre=98;}
-"accum" = {timeRangeIndicator=10;indicatorOfParameter=228;gribTablesVersionNo=128;centre=98;}
+# ECC-457: total precipitation
+"accum"={timeRangeIndicator=0;indicatorOfParameter=228;gribTablesVersionNo=128;centre=98;}
+"accum"={timeRangeIndicator=1;indicatorOfParameter=228;gribTablesVersionNo=128;centre=98;}
+"accum"={timeRangeIndicator=10;indicatorOfParameter=228;gribTablesVersionNo=128;centre=98;}
# sro
"accum"={gribTablesVersionNo=128;indicatorOfParameter=8;centre=98;}
@@ -198,3 +196,25 @@
"accum"={gribTablesVersionNo=162;indicatorOfParameter=112;centre=98;}
# vtpha
"accum"={gribTablesVersionNo=162;indicatorOfParameter=113;centre=98;}
+# mvv
+"avg"={gribTablesVersionNo=130;indicatorOfParameter=232;centre=98;}
+# msshfl
+"avg"={gribTablesVersionNo=172;indicatorOfParameter=146;centre=98;}
+# mslhfl
+"avg"={gribTablesVersionNo=172;indicatorOfParameter=147;centre=98;}
+# mean2t24
+"avg"={gribTablesVersionNo=128;indicatorOfParameter=55;centre=98;}
+# mn2d24
+"avg"={gribTablesVersionNo=128;indicatorOfParameter=56;centre=98;}
+# msdsrf
+"avg"={gribTablesVersionNo=172;indicatorOfParameter=169;centre=98;}
+# msdtrf
+"avg"={gribTablesVersionNo=172;indicatorOfParameter=175;centre=98;}
+# msnsrf
+"avg"={gribTablesVersionNo=172;indicatorOfParameter=176;centre=98;}
+# msntrf
+"avg"={gribTablesVersionNo=172;indicatorOfParameter=177;centre=98;}
+# mtnsrf
+"avg"={gribTablesVersionNo=172;indicatorOfParameter=178;centre=98;}
+# mtntrf
+"avg"={gribTablesVersionNo=172;indicatorOfParameter=179;centre=98;}
diff --git a/definitions/grib1/paramIdForConversion.def b/definitions/grib1/paramIdForConversion.def
new file mode 100644
index 000000000..8cd3ea212
--- /dev/null
+++ b/definitions/grib1/paramIdForConversion.def
@@ -0,0 +1,3 @@
+# Concept paramIdForConversion
+# See ECC-1806
+0 = {dummy=0;}
diff --git a/definitions/grib1/section.1.def b/definitions/grib1/section.1.def
index 2bda52ec7..d62300f27 100644
--- a/definitions/grib1/section.1.def
+++ b/definitions/grib1/section.1.def
@@ -325,3 +325,6 @@ if (stepTypeForConversion is "accum" || stepTypeForConversion is "max" || stepTy
meta md5Section1 md5(offsetSection1,section1Length);
# md5(start,length,blacklisted1,blacklisted2,...);
meta md5Product md5(offsetSection1,section1Length,gridDefinition,section1Flags,decimalScaleFactor);
+
+# ECC-1806
+concept_nofail paramIdForConversion(zero, "paramIdForConversion.def", conceptsDir2, conceptsDir1) : long_type,read_only;
diff --git a/definitions/grib2/boot.def b/definitions/grib2/boot.def
index d2c44fb74..7cba8747b 100644
--- a/definitions/grib2/boot.def
+++ b/definitions/grib2/boot.def
@@ -53,3 +53,6 @@ concept isTemplateDeprecated(false) {
concept isTemplateExperimental(false) {
1 = { template_is_experimental = 1; }
}
+
+# ECC-1806
+transient paramIdForConversion = 0;
diff --git a/src/grib_accessor_class_concept.cc b/src/grib_accessor_class_concept.cc
index efda63e55..56ec86e30 100644
--- a/src/grib_accessor_class_concept.cc
+++ b/src/grib_accessor_class_concept.cc
@@ -455,6 +455,23 @@ static int pack_long(grib_accessor* a, const long* val, size_t* len)
//if(*len > 1)
// return GRIB_NOT_IMPLEMENTED;
+ // ECC-1806: GRIB: Change of paramId in conversion from GRIB1 to GRIB2
+ if (STR_EQUAL(a->name, "paramId")) {
+ grib_handle* h = grib_handle_of_accessor(a);
+ long edition = 0;
+ if (grib_get_long(h, "edition", &edition) == GRIB_SUCCESS && edition == 2) {
+ long newParamId = 0;
+ if (grib_get_long(h, "paramIdForConversion", &newParamId) == GRIB_SUCCESS && newParamId > 0) {
+ if (a->context->debug) {
+ const char* cclass_name = a->cclass->name;
+ fprintf(stderr, "ECCODES DEBUG %s::%s: Changing %s from %ld to %ld\n",
+ cclass_name, __func__, a->name, *val, newParamId);
+ }
+ snprintf(buf, sizeof(buf), "%ld", newParamId);
+ }
+ }
+ }
+
s = strlen(buf) + 1;
return pack_string(a, buf, &s);
}
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index d3fbc795a..dac9083c1 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -146,6 +146,7 @@ if( HAVE_BUILD_TOOLS )
grib_ecc-1708
grib_ecc-1691
grib_ecc-1766
+ grib_ecc-1806
bufr_ecc-1028
bufr_ecc-1195
bufr_ecc-1259
diff --git a/tests/grib_ecc-1806.sh b/tests/grib_ecc-1806.sh
new file mode 100755
index 000000000..596158b8d
--- /dev/null
+++ b/tests/grib_ecc-1806.sh
@@ -0,0 +1,59 @@
+#!/bin/sh
+# (C) Copyright 2005- ECMWF.
+#
+# This software is licensed under the terms of the Apache Licence Version 2.0
+# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
+#
+# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
+# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+#
+
+. ./include.ctest.sh
+
+REDIRECT=/dev/null
+
+label="grib_ecc-1806_test"
+tempGrib1=temp.$label.1.grib
+tempGrib2=temp.$label.2.grib
+tempLog=temp.$label.log
+
+sampleGrib1=$ECCODES_SAMPLES_PATH/GRIB1.tmpl
+sampleGrib2=$ECCODES_SAMPLES_PATH/GRIB2.tmpl
+
+test_conversion()
+{
+ param1=$1 # old paramId in GRIB1
+ param2=$2 # new paramId in GRIB2
+ short=$3 # new shortName
+
+ ${tools_dir}/grib_set -s paramId=$param1 $sampleGrib1 $tempGrib1
+ ${tools_dir}/grib_set -s edition=2 $tempGrib1 $tempGrib2
+ grib_check_key_equals $tempGrib2 paramId,shortName "$param2 $short"
+
+ # Check the old paramId has been removed from GRIB2
+ set +e
+ ${tools_dir}/grib_set -s paramId=$param1 $sampleGrib2 $tempGrib2 >$tempLog 2>&1
+ status=$?
+ set -e
+ [ $status -ne 0 ]
+ grep -q "no match for paramId" $tempLog
+}
+
+test_conversion 174098 262000 sithick
+test_conversion 151163 262104 t20d
+test_conversion 151145 262124 zos
+test_conversion 130232 235135 mw
+test_conversion 172146 235033 msshf
+test_conversion 172147 235034 mslhf
+test_conversion 55 228004 mean2t
+test_conversion 56 235168 m2d
+test_conversion 172169 235035 msdwswrf
+test_conversion 172175 235036 msdwlwrf
+test_conversion 172176 235037 msnswrf
+test_conversion 172177 235038 msnlwrf
+test_conversion 172178 235039 mtnswrf
+test_conversion 172179 235040 mtnlwrf
+
+
+# Clean up
+rm -f $tempGrib1 $tempGrib2 $tempLog