From: Alexander Vasarab <alexander@wylark.com>
Date: Thu, 7 Jan 2021 00:54:08 +0000 (-0800)
Subject: Convert MesoWest wind speed data to correct unit
X-Git-Tag: v3.0.1^2~1^2~3
X-Git-Url: https://wylark.com/src/infoex-autowx.git/commitdiff_plain/9cf140090cffed0f3e63c4695df48d20b0483467

Convert MesoWest wind speed data to correct unit
---

diff --git a/infoex-autowx.py b/infoex-autowx.py
index 3fe07fc..be66aa4 100755
--- a/infoex-autowx.py
+++ b/infoex-autowx.py
@@ -474,9 +474,14 @@ def get_mesowest_data(begin, end, station):
 
         # we may not have the data at all
         key_name = element_cd + '_set_1'
+
         if key_name in observations:
             if observations[key_name][pos]:
                 remote_data[element_cd] = observations[key_name][pos]
+
+                # mesowest provides wind_speed in m/s, we want mph
+                if 'wind_speed' == element_cd:
+                    remote_data[element_cd] = ms_to_mph(remote_data[element_cd])
             else:
                 remote_data[element_cd] = None
         else:
@@ -535,5 +540,9 @@ def setup_time_values():
     begin_date = end_date - datetime.timedelta(hours=3)
     return (begin_date, end_date)
 
+def ms_to_mph(ms):
+    """convert meters per second to miles per hour"""
+    return ms * 2.236936
+
 if __name__ == "__main__":
     sys.exit(main())