{lessontitle}
Hydrometeorological Coordination Message (HCM) Examples
Hydrometeorological Coordination Messages (HCM) can be used for many purposes, both by WFOs and RFCs.
Here are a few examples.
Gage Problems
WFO Milwaukee-Sullivan coordinated a gage issue with the servicing RFC for this location, NCRFC.
![HCM](../images/hcm.png)
Staffing and Hours
SERFC sent a message with information on its event-driven hours of operation.
![Coordinate hours and staffing](../images/hcm2.png)
Ice Breakup
WFO Quad Cities reported a change in ice conditions.
![Ice breakup example](../images/hcm7.png)
Forecast Coordination
APRFC's message included a forecast discussion and suggested wording for text products.
![Forecast coordination](../images/hcm6.png)