updated threshold names for Antarctica

thresholds/thresholds.mvcm.snpp.v0.0.1.yaml

@@ -638,14 +638,15 @@ Night_Snow:
 
 Antarctic_Day:
   Water_Vapor_High_Clouds_Test: [215.0, 220.0, 225.0, 1.0, 1.0]
-  ant4_11l: [26.0   23.0, 20.0, 1.0]
-  ant4_11h: [18.0, 15.0, 12.0, 1.0]
-  ant4_11m1: [23.0, 15.0, 3.0   1.0]
-  ant4_11m2: [0.0, 0.0, 0.0, 0.0]
-  ant4_11m3: [0.0, 0.0, 0.0, 0.0]
-  bt_11_bnds4: [240.0, 0.0, 0.0, 255.0]
-  antbt1: 230.0
-  ant4_11_pfm: 1.0
+  11-4um_Oceanic_Stratus_Test:
+    low: [26.0, 23.0, 20.0, 1.0]
+    mid1: [23.0, 15.0, 3.0, 1.0]
+    mid2: [0.0, 0.0, 0.0, 0.0]
+    mid3: [0.0, 0.0, 0.0, 0.0]
+    high: [18.0, 15.0, 12.0, 1.0]
+    bt11_bounds: [240.0, 0.0, 0.0, 255.0]
+    bt_cutoff: 0.0
+    perform: True
 
 Daytime_Ocean_Spatial_Variability:
   var_11um: 0.40