Does more work, particularly on zlevel stuff.

code/datums/looping_sounds/_looping_sound.dm

@@ -94,7 +94,7 @@
 		. = pickweight(.)
 
 /datum/looping_sound/proc/on_start()
-	var/start_wait = 0
+	var/start_wait = 1 // On TG this is 0, however it needs to be 1 to work around an issue.
 	if(start_sound)
 		play(start_sound)
 		start_wait = start_length

code/datums/looping_sounds/item_sounds.dm

@@ -1,13 +1,9 @@
-#define RAD_GEIGER_LOW 0.1							// Geiger counter sound thresholds
-#define RAD_GEIGER_MEDIUM 10
-#define RAD_GEIGER_HIGH 25
-
 /datum/looping_sound/geiger
 	mid_sounds = list(
-		list('sound/items/geiger/new/low1.ogg'=1, 'sound/items/geiger/new/low2.ogg'=1, 'sound/items/geiger/new/low3.ogg'=1, 'sound/items/geiger/new/low4.ogg'=1),
-		list('sound/items/geiger/new/med1.ogg'=1, 'sound/items/geiger/new/med2.ogg'=1, 'sound/items/geiger/new/med3.ogg'=1, 'sound/items/geiger/new/med4.ogg'=1),
-		list('sound/items/geiger/new/high1.ogg'=1, 'sound/items/geiger/new/high2.ogg'=1, 'sound/items/geiger/new/high3.ogg'=1, 'sound/items/geiger/new/high4.ogg'=1),
-		list('sound/items/geiger/new/ext1.ogg'=1, 'sound/items/geiger/new/ext2.ogg'=1, 'sound/items/geiger/new/ext3.ogg'=1, 'sound/items/geiger/new/ext4.ogg'=1)
+		list('sound/items/geiger/low1.ogg'=1, 'sound/items/geiger/low2.ogg'=1, 'sound/items/geiger/low3.ogg'=1, 'sound/items/geiger/low4.ogg'=1),
+		list('sound/items/geiger/med1.ogg'=1, 'sound/items/geiger/med2.ogg'=1, 'sound/items/geiger/med3.ogg'=1, 'sound/items/geiger/med4.ogg'=1),
+		list('sound/items/geiger/high1.ogg'=1, 'sound/items/geiger/high2.ogg'=1, 'sound/items/geiger/high3.ogg'=1, 'sound/items/geiger/high4.ogg'=1),
+		list('sound/items/geiger/ext1.ogg'=1, 'sound/items/geiger/ext2.ogg'=1, 'sound/items/geiger/ext3.ogg'=1, 'sound/items/geiger/ext4.ogg'=1)
 		)
 	mid_length = 1 SECOND
 	volume = 25
@@ -16,13 +12,13 @@
 /datum/looping_sound/geiger/get_sound(starttime)
 	var/danger
 	switch(last_radiation)
-		if(0 to RAD_GEIGER_LOW)
+		if(0 to RAD_LEVEL_MODERATE)
 			danger = 1
-		if(RAD_GEIGER_LOW to RAD_GEIGER_MEDIUM)
+		if(RAD_LEVEL_MODERATE to RAD_LEVEL_HIGH)
 			danger = 2
-		if(RAD_GEIGER_MEDIUM to RAD_GEIGER_HIGH)
+		if(RAD_LEVEL_HIGH to RAD_LEVEL_VERY_HIGH)
 			danger = 3
-		if(RAD_GEIGER_HIGH to INFINITY)
+		if(RAD_LEVEL_VERY_HIGH to INFINITY)
 			danger = 4
 		else
 			return null
@@ -31,7 +27,3 @@
 /datum/looping_sound/geiger/stop()
 	. = ..()
 	last_radiation = 0
-
-#undef RAD_GEIGER_LOW
-#undef RAD_GEIGER_MEDIUM
-#undef RAD_GEIGER_HIGH

code/datums/looping_sounds/weather_sounds.dm

@@ -0,0 +1,47 @@
+/datum/looping_sound/outside_blizzard
+	mid_sounds = list(
+		'sound/effects/weather/snowstorm/outside/active_mid1.ogg'=1,
+		'sound/effects/weather/snowstorm/outside/active_mid1.ogg'=1,
+		'sound/effects/weather/snowstorm/outside/active_mid1.ogg'=1
+		)
+	mid_length = 80
+	start_sound = 'sound/effects/weather/snowstorm/outside/active_start.ogg'
+	start_length = 130
+	end_sound = 'sound/effects/weather/snowstorm/outside/active_end.ogg'
+	volume = 80
+
+/datum/looping_sound/inside_blizzard
+	mid_sounds = list(
+		'sound/effects/weather/snowstorm/inside/active_mid1.ogg'=1,
+		'sound/effects/weather/snowstorm/inside/active_mid2.ogg'=1,
+		'sound/effects/weather/snowstorm/inside/active_mid3.ogg'=1
+		)
+	mid_length = 80
+	start_sound = 'sound/effects/weather/snowstorm/inside/active_start.ogg'
+	start_length = 130
+	end_sound = 'sound/effects/weather/snowstorm/inside/active_end.ogg'
+	volume = 60
+
+/datum/looping_sound/outside_snow
+	mid_sounds = list(
+		'sound/effects/weather/snowstorm/outside/weak_mid1.ogg'=1,
+		'sound/effects/weather/snowstorm/outside/weak_mid2.ogg'=1,
+		'sound/effects/weather/snowstorm/outside/weak_mid3.ogg'=1
+		)
+	mid_length = 80
+	start_sound = 'sound/effects/weather/snowstorm/outside/weak_start.ogg'
+	start_length = 130
+	end_sound = 'sound/effects/weather/snowstorm/outside/weak_end.ogg'
+	volume = 50
+
+/datum/looping_sound/inside_snow
+	mid_sounds = list(
+		'sound/effects/weather/snowstorm/inside/weak_mid1.ogg'=1,
+		'sound/effects/weather/snowstorm/inside/weak_mid2.ogg'=1,
+		'sound/effects/weather/snowstorm/inside/weak_mid3.ogg'=1
+		)
+	mid_length = 80
+	start_sound = 'sound/effects/weather/snowstorm/inside/weak_start.ogg'
+	start_length = 130
+	end_sound = 'sound/effects/weather/snowstorm/inside/weak_end.ogg'
+	volume = 30

code/datums/observation/z_moved.dm

@@ -0,0 +1,16 @@
+//	Observer Pattern Implementation: Z_Moved
+//		Registration type: /atom/movable
+//
+//		Raised when: An /atom/movable instance has changed z-levels by any means.
+//
+//		Arguments that the called proc should expect:
+//			/atom/movable/moving_instance: The instance that moved
+//			old_z: The z number before the move.
+//			new_z: The z number after the move.
+
+
+GLOBAL_DATUM_INIT(z_moved_event, /decl/observ/z_moved, new)
+
+/decl/observ/z_moved
+	name = "Z_Moved"
+	expected_type = /atom/movable