diff --git a/meta-witherspoon/recipes-phosphor/dbus/thermal-policy/mihawk/thermal-policy.yaml b/meta-witherspoon/recipes-phosphor/dbus/thermal-policy/mihawk/thermal-policy.yaml
index f8e89b2..bb3226a 100644
--- a/meta-witherspoon/recipes-phosphor/dbus/thermal-policy/mihawk/thermal-policy.yaml
+++ b/meta-witherspoon/recipes-phosphor/dbus/thermal-policy/mihawk/thermal-policy.yaml
@@ -1,8 +1,8 @@
 # Mihawk thermal policy for PDM.
 #
 # Shut down the system if more than three cores
-# have a temperature greater than 100 degrees Celcius.
-
+# have a temperature greater than 95 degrees Celcius.
+# or ambient temperature greater than 45 degrees Celcius.
 
 - name: core sensors
   description: >
@@ -107,6 +107,15 @@
     - meta: SENSOR
       path: /xyz/openbmc_project/sensors/temperature/p1_core23_temp
 
+- name: ambient sensor
+  description: >
+    'The machine has one ambient temperature sensors.'
+  class: group
+  group: path
+  members:
+    - meta: SENSOR
+      path: /xyz/openbmc_project/sensors/temperature/ambient_temp
+
 - name: core temp
   description: >
     'Monitor the temperature of each core.'
@@ -118,6 +127,17 @@
       meta: TEMP
       property: Value
 
+- name: ambient temp
+  description: >
+    'Monitor the ambient temperature.'
+  class: group
+  group: property
+  type: int64
+  members:
+    - interface: xyz.openbmc_project.Sensor.Value
+      meta: TEMP
+      property: Value
+
 - name: watch core temps
   description: >
     'Trigger logic on core temp changes.'
@@ -127,6 +147,15 @@
   properties: core temp
   callback: check temps
 
+- name: watch ambient temp
+  description: >
+    'Trigger logic on ambient temp changes.'
+  class: watch
+  watch: property
+  paths: ambient sensor
+  properties: ambient temp
+  callback: check ambient temp
+
 - name: check temps
   description: >
     'If this condition passes at least three cores are running
@@ -139,7 +168,21 @@
   countop: '>='
   countbound: 3
   op: '>='
-  bound: 115000
+  bound: 95000
+  oneshot: true
+
+- name: check ambient temp
+  description: >
+    'If the ambient sensor is too hot. Shut the system down.'
+  class: condition
+  condition: count
+  paths: ambient sensor
+  properties: ambient temp
+  callback: ambient log and shutdown
+  countop: '>='
+  countbound: 1
+  op: '>='
+  bound: 45000
   oneshot: true
 
 - name: log and shutdown
@@ -152,6 +195,16 @@
     - create criticalhigh error
     - create shutdown error
 
+- name: ambient log and shutdown
+  description: >
+    'Shut the system down and log an event.'
+  class: callback
+  callback: group
+  members:
+    - shutdown
+    - create ambient criticalhigh error
+    - create ambient shutdown error
+
 - name: shutdown
   description: >
     'Shut down the system.'
@@ -177,6 +230,16 @@
   error: xyz::openbmc_project::Sensor::Threshold::Error::CriticalHigh
   metadata: xyz::openbmc_project::Sensor::Threshold::CriticalHigh::SENSOR_DATA
 
+- name: create ambient criticalhigh error
+  description: >
+    'Create a Ambient CriticalHigh Error log.'
+  class: callback
+  callback: elog_with_metadata
+  paths: ambient sensor
+  properties: ambient temp
+  error: xyz::openbmc_project::Sensor::Threshold::Error::CriticalHigh
+  metadata: xyz::openbmc_project::Sensor::Threshold::CriticalHigh::SENSOR_DATA
+
 - name: create shutdown error
   description: >
     'Create a SystemShutdown Error log.'
@@ -185,3 +248,12 @@
   paths: core sensors
   properties: core temp
   error: xyz::openbmc_project::State::Shutdown::ThermalEvent::Error::Processor
+
+- name: create ambient shutdown error
+  description: >
+    'Create a SystemShutdown Error log.'
+  class: callback
+  callback: elog
+  paths: ambient sensor
+  properties: ambient temp
+  error: xyz::openbmc_project::State::Shutdown::ThermalEvent::Error::Ambient