From 6e930df4858c00e11f1c7dc0fe9808839ef9bb4c Mon Sep 17 00:00:00 2001
From: John Haiducek <jhaiduce@gmail.com>
Date: Sat, 5 Dec 2020 19:03:11 -0500
Subject: [PATCH 1/2] Added a 'COR AUTO' case for modifier

---
 metar/Metar.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/metar/Metar.py b/metar/Metar.py
index 9ac23dbe..bbe3e6ef 100644
--- a/metar/Metar.py
+++ b/metar/Metar.py
@@ -43,7 +43,7 @@ class ParserError(Exception):
         (?P<min>\d\d)Z?\s+""",
     re.VERBOSE,
 )
-MODIFIER_RE = re.compile(r"^(?P<mod>AUTO|FINO|NIL|TEST|CORR?|RTD|CC[A-G])\s+")
+MODIFIER_RE = re.compile(r"^(?P<mod>AUTO|COR AUTO|FINO|NIL|TEST|CORR?|RTD|CC[A-G])\s+")
 WIND_RE = re.compile(
     r"""^(?P<dir>[\dO]{3}|[0O]|///|MMM|VRB)
         (?P<speed>P?[\dO]{2,3}|[/M]{2,3})

From 843efc5b4848ab33189aa79ef8e3aed9bfa32a0e Mon Sep 17 00:00:00 2001
From: John Haiducek <jhaiduce@gmail.com>
Date: Sat, 5 Dec 2020 19:24:23 -0500
Subject: [PATCH 2/2] Added a test of parsing a METAR with a 'COR AUTO'
 modifier

---
 test/test_metar.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/test/test_metar.py b/test/test_metar.py
index 3770bafc..0184cc18 100644
--- a/test/test_metar.py
+++ b/test/test_metar.py
@@ -602,3 +602,11 @@ def test_not_strict_mode():
     assert report.station_id == "K9L2"
     assert report.vis.value() == 10
     assert report.sky_conditions() == "clear"
+
+def test_cor_auto_mod():
+    code = """METAR KADW 252356Z COR AUTO 10008KT 10SM CLR 19/11 A2986
+    RMK AO2 SLP117 T01880111 10230 20188 50004 $ COR
+    0007="""
+    m=Metar.Metar(code,year=2019)
+
+    assert m.mod=='COR AUTO'