Answer :
+-----------------+
| Database |
+-------+ +-------+
| | | |
| Sensor Data Local Radio
| | | |
+-------+ +-------+
| Weather Data Emergency Services
+-----------------+
| Command and Control
+-----------------+
| |
| Video Monitors
+-------+------+
| Database |
+-------+ +-------+
| | | |
| Sensor Data Local Radio
| | | |
+-------+ +-------+
| Weather Data Emergency Services
+-----------------+
| Command and Control
+-----------------+
| |
| Video Monitors
+-------+------+