diff --git a/apache/meta/prometheus.yml b/apache/meta/prometheus.yml
index 0abe6ab..897713c 100644
--- a/apache/meta/prometheus.yml
+++ b/apache/meta/prometheus.yml
@@ -1,26 +1,41 @@
 {%- from "apache/map.jinja" import server with context %}
 
 {%- if server.get('enabled', False) %}
-{%- raw %}
+
 server:
   alert:
-    ApacheDown:
+    ApacheServiceDown:
       if: >-
         apache_up != 1
+      {%- raw %}
       labels:
-        severity: warning
+        severity: minor
         service: apache
       annotations:
-        summary: 'Apache service down'
-        description: 'Apache service is down on node {{ $labels.host }}'
-    ApacheIdleWorkersShortage:
+        summary: "Apache service is down"
+        description: "The Apache service on the {{ $labels.host }} node is down."
+      {%- endraw %}
+    ApacheServiceOutage:
+      if: >-
+        count(label_replace(apache_up, "cluster", "$1", "host", "([^0-9]+).+")) by (cluster) == count(label_replace(apache_up == 0, "cluster", "$1", "host", "([^0-9]+).+")) by (cluster)
+      {% raw %}
+      labels:
+        severity: critical
+        service: apache
+      annotations:
+        summary: "Apache service outage"
+        description: "All Apache services within the {{ $labels.cluster }} cluster are down."
+      {% endraw %}
+    ApacheWorkersAbsent:
       if: >-
         apache_IdleWorkers == 0
+      {%- raw %}
+      for: 2m
       labels:
-        severity: warning
+        severity: minor
         service: apache
       annotations:
-        summary: 'Apache idle workers shortage'
-        description: 'Apache idle workers shortage on node {{ $labels.host }}'
-{%- endraw %}
+        summary: "Apache has no available idle workers"
+        description: "The Apache service on the {{ $labels.host }} node has no available workers for at least 2 minutes."
+      {%- endraw %}
 {%- endif %}