From ce1347424077a99a5d6dec5be181659e11795e5a Mon Sep 17 00:00:00 2001
From: gransen312 <66414670+gransen312@users.noreply.github.com>
Date: Wed, 7 Aug 2024 17:23:37 +0800
Subject: [PATCH] Update _sigmetfile.pyx

add decoding for corrected velocity
---
 pyart/io/_sigmetfile.pyx | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pyart/io/_sigmetfile.pyx b/pyart/io/_sigmetfile.pyx
index 3f5d507c1e..c0f31f34e2 100644
--- a/pyart/io/_sigmetfile.pyx
+++ b/pyart/io/_sigmetfile.pyx
@@ -715,6 +715,13 @@ def convert_sigmet_data(data_type, data, nbins):
             out[:] = (ndata - 128.) / 127.
             mask[ndata == 0] = True
 
+        elif data_type_name == 'VELC':
+            # VELC, 3, Velocity (1 byte)
+            # 1-byte Corrected Velocity Format, section 4.4.42
+            out[:] = (ndata - 128.) / 127. *75.
+            mask[ndata == 0] = True
+            mask[ndata == 255] = True
+
         elif data_type_name == 'WIDTH':
             # WIDTH, 4, Width (1 byte)
             # 1-byte Width format, section 4.3.25