Heavy freezing spray warning
A Heavy Freezing Spray Warning is issued by the National Weather Service of the United States to warn vessels that accumulation of freezing water droplets due to a combination of cold water, wind, cold air, and vessel movement is likely. Accumulation rates of 2 cm per hour or greater must be possible for a warning to be issued.
- National Weather Service. "Heavy Freezing Spray Warning". Glossary - National Weather Service. Retrieved 1 June 2011.