diff --git a/src/datapump/jobs/version_update.py b/src/datapump/jobs/version_update.py
index e6e965b..2a5a098 100644
--- a/src/datapump/jobs/version_update.py
+++ b/src/datapump/jobs/version_update.py
@@ -21,11 +21,10 @@ class RasterVersionUpdateJobStep(str, Enum):
     starting = "starting"
     creating_tile_set = "creating_tile_set"
     creating_tile_cache = "creating_tile_cache"
-    creating_aggregated_tile_set = "creating_aggregated_tile_set"
+    creating_aggregated_tile_set = "creating_aggregated_tile_set" # DIST-Alerts aggregation must run before mark_latest
+    mark_latest = "mark_latest"
     creating_aux_assets = "creating_aux_assets"
     creating_cog_assets = "creating_cog_assets"
-    mark_latest = "mark_latest"
-
 
 class RasterVersionUpdateJob(Job):
     dataset: str
@@ -33,7 +32,7 @@ class RasterVersionUpdateJob(Job):
     content_date_range: ContentDateRange
     tile_set_parameters: RasterTileSetParameters
     tile_cache_parameters: Optional[RasterTileCacheParameters] = None
-    aggregated_tile_set_parameters: AuxTileSetParameters = None
+    aggregated_tile_set_parameters: Optional[AuxTileSetParameters] = None
     aux_tile_set_parameters: List[AuxTileSetParameters] = []
     cog_asset_parameters: List[CogAssetParameters] = []
     timeout_sec = 24 * 60 * 60
@@ -66,7 +65,7 @@ def next_step(self):
                     self._create_tile_cache()
                 elif self.aggregated_tile_set_parameters:
                     self.step = RasterVersionUpdateJobStep.creating_aggregated_tile_set
-                    self._create_aggregated_tile_set()
+                    self._create_aux_tile_set(self.aggregated_tile_set_parameters)
                 else:
                     self.step = RasterVersionUpdateJobStep.mark_latest
                     self._mark_latest()
@@ -201,14 +200,14 @@ def _create_aux_tile_set(self, tile_set_parameters: AuxTileSetParameters) -> str
             },
         }
 
-        # Looks up asset ID of the raster tile set with auxiliary_asset_pixel_meaning
+        # Looks up asset ID of the latest version raster tile set with auxiliary_asset_pixel_meaning
         if co.auxiliary_asset_pixel_meaning:
             latest_version = client.get_latest_version(self.dataset)
             assets = client.get_assets(self.dataset, latest_version)
             for asset in assets:
                 if asset["asset_type"] == "Raster tile set":
                     creation_options = client.get_asset_creation_options(asset['asset_id'])
-                    if creation_options["pixel_meaning"] == co.auxiliary_assets_pixel_meaning:
+                    if creation_options["pixel_meaning"] == co.auxiliary_asset_pixel_meaning:
                         payload["creation_options"]["auxiliary_assets"] = [asset["asset_id"]]
 
         data = client.create_aux_asset(self.dataset, self.version, payload)
@@ -253,30 +252,6 @@ def _create_cog_asset(self, cog_asset_parameters: CogAssetParameters) -> str:
         data = client.create_aux_asset(self.dataset, self.version, payload)
 
         return data["asset_id"]
-    
-    def _create_aggregated_tile_set(self, aggregated_tile_set_parameters: AuxTileSetParameters):
-        """
-        Create aggregated tile set
-        """
-        client = DataApiClient()
-
-        co = aggregated_tile_set_parameters
-
-        assets = client.get_assets(self.dataset, self.version)
-
-        payload = {
-            "asset_type": "Aggregated tile set",
-            "creation_options": {
-                "calc": co.calc,
-                "grid": co.grid,
-                "data_type": co.data_type,
-                "no_data": co.no_data,
-                "pixel_meaning": co.pixel_meaning,
-                "auxiliary_assets": co.auxiliary_assets
-            },
-        }
-
-        _ = client.create_aux_asset(self.dataset, self.version)
 
     def _check_tile_set_status(self) -> JobStatus:
         client = DataApiClient()
diff --git a/src/datapump/sync/sync.py b/src/datapump/sync/sync.py
index d45cbcb..818caef 100644
--- a/src/datapump/sync/sync.py
+++ b/src/datapump/sync/sync.py
@@ -728,13 +728,13 @@ class DISTAlertsSync(Sync):
     Defines jobs to create new DIST alerts assets once a new release is available.
     """
 
-    dataset = "umd_dist_alerts"
+    dataset_name = "umd_dist_alerts"
     source_bucket = "earthenginepartners-hansen"
     source_prefix = "DIST-ALERT"
     input_calc = """
         np.where((A>=30) & (A<255) & (B>0) & (C>=2) & (C<255),
             np.where(C<4, 20000 + B, 30000 + B),
-            0        
+            -1
         )
     """
 
@@ -743,7 +743,7 @@ def __init__(self, sync_version: str):
 
     def get_latest_release(self) -> Tuple[str, List[str]]:
         """
-        Get the version of the latest *complete* release in GCS
+        Get the version of the latest release in GCS
         """
 
         # Raw tiles are just updated in-place
@@ -771,9 +771,14 @@ def build_jobs (self, config: DatapumpConfig) -> List[Job]:
         latest_api_version = self.get_latest_api_version(self.dataset_name)
         latest_release, source_uris = self.get_latest_release()
 
+        # If the latest API version matches latest release from UMD, no need to update
+        if latest_api_version == latest_release:
+            return []
+        
         jobs: List[Job] = []
 
         job = RasterVersionUpdateJob(
+            # Current week alerts tile set
             id=str(uuid1()),
             status=JobStatus.starting,
             dataset=self.dataset,
@@ -795,7 +800,7 @@ def build_jobs (self, config: DatapumpConfig) -> List[Job]:
             )
         )
         job.aggregated_tile_set_parameters = [
-            # Aggregated tile set
+            # Aggregated tile set (to include all alerts)
             AuxTileSetParameters(
                 pixel_meaning="default",
                 grid="10/40000",
@@ -807,18 +812,18 @@ def build_jobs (self, config: DatapumpConfig) -> List[Job]:
         ]
         job.aux_tile_set_parameters = [
             # Intensity tile set
-            RasterTileSetParameters(
+            AuxTileSetParameters(
                 source_uri=None,
                 pixel_meaning="intensity",
                 data_type="uint8",
                 calc="(B > 0) * 55",
                 grid="10/40000",
                 no_data=None,
-                auxiliary_assets_pixel_meaning = "default"
+                auxiliary_asset_pixel_meaning = "default"
             )
         ]
         job.cog_asset_parameters = [
-            # Created from the "date_conf" asset
+            # Created from the "default" asset
             CogAssetParameters(
                 source_pixel_meaning="date_conf",
                 resampling="mode",