From 9d9779d8354080feb5731e26893c9024baf03dde Mon Sep 17 00:00:00 2001
From: Alessandro Amici <a.amici@bopen.eu>
Date: Fri, 14 Dec 2018 16:15:53 +0100
Subject: [PATCH] Add write support for unstructured_grid gridType #39

---
 cfgrib/xarray_to_grib.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cfgrib/xarray_to_grib.py b/cfgrib/xarray_to_grib.py
index abea4f2e..20587cef 100644
--- a/cfgrib/xarray_to_grib.py
+++ b/cfgrib/xarray_to_grib.py
@@ -45,7 +45,7 @@
 ALL_TYPE_OF_LEVELS = TYPE_OF_LEVELS_SFC + TYPE_OF_LEVELS_PL + TYPE_OF_LEVELS_ML
 GRID_TYPES = [
     'polar_stereographic', 'reduced_gg', 'reduced_ll', 'regular_gg', 'regular_ll', 'rotated_gg',
-    'rotated_ll', 'sh',
+    'rotated_ll', 'sh', 'unstructured_grid',
 ]
 MESSAGE_DEFINITION_KEYS = [
     # for the GRIB 2 sample we must set this before setting 'totalNumber'