diff --git a/lib/xmet/spc.py b/lib/xmet/spc.py
index 47ec1a4..14ff4c6 100644
--- a/lib/xmet/spc.py
+++ b/lib/xmet/spc.py
@@ -185,7 +185,7 @@ class SPCOutlookProbabilityArea(SPCOutlookArea):
     )
 
     def sort_value(self):
-        if self.probability == 'SIGN':
+        if self.sig:
             return 1.0
 
         return float(self.probability)
@@ -496,12 +496,22 @@ class SPCOutlookMap(EquirectMap):
     LOGO_MARGIN = 16
 
     __category_colors__ = {
-        'TSTM': (212, 240, 213),
-        'MRGL': ( 80, 201, 134),
-        'SLGT': (255, 255,  81),
-        'ENH':  (255, 192, 108),
-        'MDT':  (255,  80,  80),
-        'HIGH': (255,  80, 255)
+        'TSTM': (212/255.0, 240/255.0, 213/255.0),
+        'MRGL': ( 80/255.0, 201/255.0, 134/255.0),
+        'SLGT': (255/255.0, 255/255.0,  81/255.0),
+        'ENH':  (255/255.0, 192/255.0, 108/255.0),
+        'MDT':  (255/255.0,  80/255.0,  80/255.0),
+        'HIGH': (255/255.0,  80/255.0, 255/255.0)
+    }
+
+    __probability_colors__ = {
+        0.02: (148/255.0, 192/255.0, 224/255.0),
+        0.05: (139/255.0,  71/255.0,  38/255.0),
+        0.15: (255/255.0, 200/255.0,   0/255.0),
+        0.30: (255/255.0,   0/255.0,   0/255.0),
+        0.45: (255/255.0,   0/255.0, 255/255.0),
+        0.60: (145/255.0,  44/255.0, 238/255.0),
+        None: ( 20/255.0,  20/255.0,  20/255.0),
     }
 
     def __init__(self):
@@ -528,17 +538,11 @@ class SPCOutlookMap(EquirectMap):
 
         cr.show_text(text)
 
-    def draw_categories(self,
-                        cr: cairo.Context,
-                        outlook: SPCOutlook):
+    def draw_categories(self, cr: cairo.Context, outlook: SPCOutlook):
         cr.save()
 
         for category in outlook.sorted_categories():
-            color = self.__category_colors__[category.category]
-
-            r = color[0] / 255.0
-            g = color[1] / 255.0
-            b = color[2] / 255.0
+            r, g, b = self.__category_colors__[category.category]
 
             cr.set_source_rgba(r, g, b, 0.35)
             self.draw_polygon(cr, category.poly)
@@ -549,3 +553,26 @@ class SPCOutlookMap(EquirectMap):
             cr.stroke()
 
         cr.restore()
+
+    def draw_probabilities(self,
+                           cr: cairo.Context,
+                           outlook: SPCOutlook,
+                           hazard: str):
+        cr.save()
+
+        for probability in outlook.sorted_probabilities():
+            if probability.hazard != hazard:
+                continue
+
+            r, g, b = self.__probability_colors__[probability.probability]
+
+            if not probability.sig:
+                cr.set_source_rgba(r, g, b, 0.35)
+                self.draw_polygon(cr, probability.poly)
+                cr.fill()
+
+            cr.set_source_rgba(r*0.75, g*0.75, b*0.75, 1.0)
+            self.draw_polygon(cr, probability.poly)
+            cr.stroke()
+
+        cr.restore()