diff --git a/resources/prometheus/prometheus-rules.yaml b/resources/prometheus/prometheus-rules.yaml
index 5331e378..eda931cb 100644
--- a/resources/prometheus/prometheus-rules.yaml
+++ b/resources/prometheus/prometheus-rules.yaml
@@ -38,7 +38,7 @@ spec:
             summary: "Central container `{{ $labels.pod }}/{{ $labels.container }}` in namespace `{{ $labels.namespace }}` restarted more than 3 times."
             description: "Central container `{{ $labels.pod }}/{{ $labels.container }}` in namespace `{{ $labels.namespace }}` has restarted more than 3 times during the last 10 minutes."
             sop_url: "" # TODO: Add SOP
-        - alert: RHACSCentralDatabasePersistentVolumeFillingUp
+        - alert: RHACSCentralDatabasePersistentVolumeFillingUp (< 10% left)
           expr: kubelet_volume_stats_available_bytes{persistentvolumeclaim="stackrox-db"} / kubelet_volume_stats_capacity_bytes{persistentvolumeclaim="stackrox-db"} < 0.1
           for: 5m
           labels:
@@ -47,7 +47,7 @@ spec:
             summary: "Central database storage in namespace `{{ $labels.namespace }}` is filing up."
             description: "Central database storage in namespace `{{ $labels.namespace }}` is filling up for PVC `{{ $labels.persistentvolumeclaim }}`. Available storage quota is `{{ $value | humanizePercentage }}`."
             sop_url: "" # TODO: Add SOP
-        - alert: RHACSCentralDatabasePersistentVolumeFillingUp
+        - alert: RHACSCentralDatabasePersistentVolumeFillingUp (~4 days left)
           expr: kubelet_volume_stats_available_bytes{persistentvolumeclaim="stackrox-db"} / kubelet_volume_stats_capacity_bytes{persistentvolumeclaim="stackrox-db"} < 0.25 and predict_linear(kubelet_volume_stats_available_bytes{persistentvolumeclaim="stackrox-db"}[6h], 4 * 24 * 3600) < 0
           for: 5m
           labels:
@@ -190,7 +190,7 @@ spec:
 
     - name: observability-operator
       rules:
-        - alert: ObservabilityOperatorPrometheusPersistentVolumeFillingUp
+        - alert: ObservabilityOperatorPrometheusPersistentVolumeFillingUp (< 10% left)
           expr: kubelet_volume_stats_available_bytes{persistentvolumeclaim=~"managed-services-prometheus-kafka-prometheus-[0-9]"} / kubelet_volume_stats_capacity_bytes{persistentvolumeclaim=~"managed-services-prometheus-kafka-prometheus-[0-9]"} < 0.1
           for: 5m
           labels:
@@ -200,7 +200,7 @@ spec:
             description: "The Observability Operator's Prometheus storage in namespace `{{ $labels.namespace }}` is filling up for PVC `{{ $labels.persistentvolumeclaim }}`. Available storage quota is `{{ $value | humanizePercentage }}`."
             sop_url: "" # TODO: Add SOP
 
-        - alert: ObservabilityOperatorPrometheusPersistentVolumeFillingUp
+        - alert: ObservabilityOperatorPrometheusPersistentVolumeFillingUp (~4 days left)
           expr: kubelet_volume_stats_available_bytes{persistentvolumeclaim=~"managed-services-prometheus-kafka-prometheus-[0-9]"} / kubelet_volume_stats_capacity_bytes{persistentvolumeclaim=~"managed-services-prometheus-kafka-prometheus-[0-9]"} < 0.25 and predict_linear(kubelet_volume_stats_available_bytes{persistentvolumeclaim=~"managed-services-prometheus-kafka-prometheus-[0-9]"}[6h], 4 * 24 * 3600) < 0
           for: 5m
           labels:
diff --git a/resources/prometheus/unit_tests/ObservabilityOperatorPrometheusPersistentVolumeFillingUp.yaml b/resources/prometheus/unit_tests/ObservabilityOperatorPrometheusPersistentVolumeFillingUp.yaml
index 396fb719..4de6b42c 100644
--- a/resources/prometheus/unit_tests/ObservabilityOperatorPrometheusPersistentVolumeFillingUp.yaml
+++ b/resources/prometheus/unit_tests/ObservabilityOperatorPrometheusPersistentVolumeFillingUp.yaml
@@ -16,10 +16,10 @@ tests:
         alertname: ObservabilityOperatorPrometheusPersistentVolumeFillingUp
         exp_alerts: []
       - eval_time: 100m
-        alertname: ObservabilityOperatorPrometheusPersistentVolumeFillingUp
+        alertname: ObservabilityOperatorPrometheusPersistentVolumeFillingUp (~4 days left)
         exp_alerts:
           - exp_labels:
-              alertname: ObservabilityOperatorPrometheusPersistentVolumeFillingUp
+              alertname: ObservabilityOperatorPrometheusPersistentVolumeFillingUp (~4 days left)
               severity: warning
               persistentvolumeclaim: managed-services-prometheus-kafka-prometheus-0
               namespace: rhacs-observability
@@ -28,10 +28,10 @@ tests:
               description: "The Observability Operator's Prometheus storage in namespace `rhacs-observability` is filling up for PVC `managed-services-prometheus-kafka-prometheus-0`. Available storage quota is `13.09%`. The volume is expected to fill up within 4 days based on linear extrapolation over the last 6 hours."
               sop_url: ""
       - eval_time: 110m
-        alertname: ObservabilityOperatorPrometheusPersistentVolumeFillingUp
+        alertname: ObservabilityOperatorPrometheusPersistentVolumeFillingUp (< 10% left)
         exp_alerts:
           - exp_labels:
-              alertname: ObservabilityOperatorPrometheusPersistentVolumeFillingUp
+              alertname: ObservabilityOperatorPrometheusPersistentVolumeFillingUp (< 10% left)
               severity: critical
               persistentvolumeclaim: managed-services-prometheus-kafka-prometheus-0
               namespace: rhacs-observability
@@ -40,7 +40,7 @@ tests:
               description: "The Observability Operator's Prometheus storage in namespace `rhacs-observability` is filling up for PVC `managed-services-prometheus-kafka-prometheus-0`. Available storage quota is `3.32%`."
               sop_url: ""
           - exp_labels:
-              alertname: ObservabilityOperatorPrometheusPersistentVolumeFillingUp
+              alertname: ObservabilityOperatorPrometheusPersistentVolumeFillingUp (~4 days left)
               severity: warning
               persistentvolumeclaim: managed-services-prometheus-kafka-prometheus-0
               namespace: rhacs-observability
diff --git a/resources/prometheus/unit_tests/RHACSCentralDatabasePersistentVolumeFillingUp.yaml b/resources/prometheus/unit_tests/RHACSCentralDatabasePersistentVolumeFillingUp.yaml
index d17e1097..c87227c3 100644
--- a/resources/prometheus/unit_tests/RHACSCentralDatabasePersistentVolumeFillingUp.yaml
+++ b/resources/prometheus/unit_tests/RHACSCentralDatabasePersistentVolumeFillingUp.yaml
@@ -19,7 +19,7 @@ tests:
         alertname: RHACSCentralDatabasePersistentVolumeFillingUp
         exp_alerts:
           - exp_labels:
-              alertname: RHACSCentralDatabasePersistentVolumeFillingUp
+              alertname: RHACSCentralDatabasePersistentVolumeFillingUp (~4 days left)
               severity: warning
               persistentvolumeclaim: stackrox-db
               namespace: rhacs-1234
@@ -31,7 +31,7 @@ tests:
         alertname: RHACSCentralDatabasePersistentVolumeFillingUp
         exp_alerts:
           - exp_labels:
-              alertname: RHACSCentralDatabasePersistentVolumeFillingUp
+              alertname: RHACSCentralDatabasePersistentVolumeFillingUp (< 10% left)
               severity: critical
               persistentvolumeclaim: stackrox-db
               namespace: rhacs-1234
@@ -40,7 +40,7 @@ tests:
               description: "Central database storage in namespace `rhacs-1234` is filling up for PVC `stackrox-db`. Available storage quota is `3.32%`."
               sop_url: ""
           - exp_labels:
-              alertname: RHACSCentralDatabasePersistentVolumeFillingUp
+              alertname: RHACSCentralDatabasePersistentVolumeFillingUp (~4 days left)
               severity: warning
               persistentvolumeclaim: stackrox-db
               namespace: rhacs-1234