fixes bug in issue 1758

examples/plots/Station_Plot.py

@@ -99,7 +99,7 @@
 
 # Same this time, but plot current weather to the left of center, using the
 # `current_weather` mapper to convert symbols to the right glyphs.
-stationplot.plot_symbol('W', data['present_weather'].values, current_weather)
+stationplot.plot_symbol('W', data['current_wx1_symbol'].values, current_weather)
 
 # Add wind barbs
 stationplot.plot_barb(data['eastward_wind'].values, data['northward_wind'].values)

examples/plots/Station_Plot_with_Layout.py

@@ -102,7 +102,7 @@
 # Map weather strings to WMO codes, which we can use to convert to symbols
 # Only use the first symbol if there are multiple
 wx_text = data_arr['weather'].fillna('')
-data['present_weather'] = [wx_code_map[s.split()[0] if ' ' in s else s] for s in wx_text]
+data['current_wx1_symbol'] = [wx_code_map[s.split()[0] if ' ' in s else s] for s in wx_text]
 
 ###########################################
 # All the data wrangling is finished, just need to set up plotting and go:

src/metpy/io/metar.py

@@ -609,9 +609,9 @@ def merge(x, key='     '):
                        'air_temperature': temp,
                        'dew_point_temperature': dewp,
                        'altimeter': altim,
-                       'present_weather': current_wx1_symbol,
-                       'past_weather': current_wx2_symbol,
-                       'past_weather2': current_wx3_symbol},
+                       'current_wx1_symbol': current_wx1_symbol,
+                       'current_wx2_symbol': current_wx2_symbol,
+                       'current_wx3_symbol': current_wx3_symbol},
                       index=station_id)
 
     # Calculate sea-level pressure from function in metpy.calc

src/metpy/plots/station_plot.py

@@ -631,7 +631,7 @@ def __repr__(self):
     simple_layout.add_value('NE', 'air_pressure_at_sea_level', units='mbar',
                             fmt=lambda v: format(10 * v, '03.0f')[-3:])
     simple_layout.add_symbol('C', 'cloud_coverage', sky_cover)
-    simple_layout.add_symbol('W', 'present_weather', current_weather)
+    simple_layout.add_symbol('W', 'current_wx1_symbol', current_weather)
 
     #: Full NWS station plot `layout`__
     #:
@@ -644,7 +644,7 @@ def __repr__(self):
     nws_layout.add_value((1, 1), 'air_pressure_at_sea_level', units='mbar',
                          fmt=lambda v: format(10 * v, '03.0f')[-3:])
     nws_layout.add_value((-2, 0), 'visibility_in_air', fmt='.0f', units='miles')
-    nws_layout.add_symbol((-1, 0), 'present_weather', current_weather)
+    nws_layout.add_symbol((-1, 0), 'current_wx1_symbol', current_weather)
     nws_layout.add_symbol((0, 0), 'cloud_coverage', sky_cover)
     nws_layout.add_value((1, 0), 'tendency_of_air_pressure', units='mbar',
                          fmt=lambda v: ('-' if v < 0 else '') + format(10 * abs(v), '02.0f'))
@@ -653,4 +653,4 @@ def __repr__(self):
     nws_layout.add_value((-1, -1), 'dew_point_temperature', units='degF')
 
     # TODO: Fix once we have the past weather symbols converted
-    nws_layout.add_symbol((1, -1), 'past_weather', current_weather)
+    nws_layout.add_symbol((1, -1), 'current_wx2_symbol', current_weather)

tests/plots/test_station_plot.py

@@ -187,7 +187,7 @@ def test_simple_layout():
             'air_pressure_at_sea_level': np.array([29.92, 28.00]) * units.inHg,
             'eastward_wind': np.array([2, 0]) * units.knots,
             'northward_wind': np.array([0, 5]) * units.knots, 'cloud_coverage': [3, 8],
-            'present_weather': [65, 75], 'unused': [1, 2]}
+            'current_wx1_symbol': [65, 75], 'unused': [1, 2]}
 
     # Make the plot
     sp = StationPlot(fig.add_subplot(1, 1, 1), x, y, fontsize=12)
@@ -212,7 +212,7 @@ def test_nws_layout():
             'air_pressure_at_sea_level': np.array([999.8]) * units('mbar'),
             'eastward_wind': np.array([15.]) * units.knots,
             'northward_wind': np.array([15.]) * units.knots, 'cloud_coverage': [7],
-            'present_weather': [80], 'high_cloud_type': [1], 'medium_cloud_type': [3],
+            'current_wx1_symbol': [80], 'high_cloud_type': [1], 'medium_cloud_type': [3],
             'low_cloud_type': [2], 'visibility_in_air': np.array([5.]) * units.mile,
             'tendency_of_air_pressure': np.array([-0.3]) * units('mbar'),
             'tendency_of_air_pressure_symbol': [8]}

tutorials/declarative_tutorial.py

@@ -285,7 +285,7 @@
 obs.time_window = timedelta(minutes=15)
 obs.level = None
 obs.fields = ['cloud_coverage', 'air_temperature', 'dew_point_temperature',
-              'air_pressure_at_sea_level', 'present_weather']
+              'air_pressure_at_sea_level', 'current_wx1_symbol']
 obs.plot_units = [None, 'degF', 'degF', None, None]
 obs.locations = ['C', 'NW', 'SW', 'NE', 'W']
 obs.formats = ['sky_cover', None, None, lambda v: format(v * 10, '.0f')[-3:],