For the Boeing data, NO/NEG: -1, Any: 1

modules/icing/pireps.py

@@ -10,6 +10,7 @@ ICE_LVL = '\d+-\d+|FL\d+-FL\d+'
 
 # ICE Intensity: 0:No intensity report, 1:Trace, 2:Light, 3:Light Moderate, 4:Moderate, 5:Moderate Severe, 6:Severe
 # NO/NEG -1
+# For Binary Observations, NO/NEG: -1, Any Icing: 1
 ICE_TRACE = '\s*TRACE\s*|\s*TRC\s*|\s*TR\s*'
 ICE_LGT = '\s*LGT\s*|\s*LIGHT\s*|\s*LT\s*|\s*LGHT\s*|\s*LIT\s*|\s*LITE\s*|\s*LG\s*'
 ICE_MOD = '\s*MOD\s*|\s*MDT\s*|\s*MODERATE\s*|\s*HEAVY\s*'
@@ -213,7 +214,7 @@ def pirep_icing_from_boeing(dirname='/ships19/cloud/scratch/ICING/BOEING/icing/2
                         rpts.append(tup)
                     cnt_ice += 1
                 else:
-                    tup = (lats[k], lons[k], flt_levs[k], 0, 0, 'None')
+                    tup = (lats[k], lons[k], flt_levs[k], -1, 0, 'None')
                     rpts = no_ice_dict.get(ts)
                     if rpts is None:
                         rpts = []