Added an announcement.

Not sure on the exact tone of it,
but this will do for now.

code/modules/events/cat_surgeon.dm

@@ -2,8 +2,11 @@
     name = "Cat Surgeon"
     typepath = /datum/round_event/cat_surgeon
     max_occurrences = 1
-    weight = 10
+    weight = 8
 
+/datum/round_event/cat_surgeon/announce(fake)
+	priority_announce("One of our... ahem... 'special' cases has escaped. Our sensors now show their tracker implant on your station. On an unrelated note, has anyone seen our cats?",
+	sender_override = "Nanotrasen Psych Ward")
 
 /datum/round_event/cat_surgeon/start()
     var/list/spawn_locs = list()
@@ -16,7 +19,7 @@
 
     var/turf/T = get_turf(pick(spawn_locs))
     var/mob/living/simple_animal/hostile/cat_butcherer/S = new(T)
-    playsound(S, 'sound/misc/catscream.ogg', 50, 1, -1)
+    playsound(S, 'sound/misc/catscream.ogg', 75, 1, -1)
     message_admins("A cat surgeon has been spawned at [COORD(T)][ADMIN_JMP(T)]")
     log_game("A cat surgeon has been spawned at [COORD(T)]")
     return SUCCESSFUL_SPAWN