CFW
| A Coastal Flood Watch is issued when Coastal flooding is possible within 12 to 36 hours. |
| A Coastal Flood Warning is issued when coastal flooding is occurring or imminent. |
| A Coastal Flood Statement is issued to update coastal residents on the status of coastal flooding in the areas covered by a watch or warning. |
| A Heavy Surf Advisory is a forecast of heavy or high surf that may pose a threat to life or property. |
| ESF | A Flood Potential Outlook may be issued if forecast meteorological conditions indicate that a significantly heavy precipitation event and/or snowmelt may occur that would cause flooding or aggravate existing flooding. Usually issued in the range of 36-72hours in advance of the event. |
| ESS | A Water Supply Outlook is issued to provide estimates of cumulative flow volumes over periods of months in support of reservoir operations;also used to convey drought information. |
| FFA | A Flood/Flash Flood Watch is issued to inform the public that current and/or developing weather conditions could produce flooding/flash flooding within the next 12 to 24 hours. |
| FFW | A Flood/Flash Flood Warning is issued if flash flooding is already occurring or is imminent it can include flooding from ice jams and failures of water control structures (dams, levees, etc.). |
| FFS | A Flood/Flash Flood Statement is a general statement about flooding, often providing supplemental/follow up information to a previously issued Flood/Flash Flood Watch or Warning; may indicate the termination of a Watch or Warning. May also be issued as an Urban and Small Stream Flood Advisory when flooding is imminent but considered a nuisance as opposed to life threatening. An Urban and Small Stream Flood Advisory is issued when flooding of streets, low-lying areas, urban storm drains, creeks and small streams is occurring or is imminent. |
| FLN | National Flood Summary is issued to provide a national summary of recent flooding. |
| FLS | A Flood Statement is issued as a follow up to a flood warning. It contains the latest details on the event; it updates and/or expands information contained in a previous Flood Warning. A Flood statement may also be used in lieu of a warning if flooding is forecast, imminent or ongoing and presents no threat to life and property. |
| FLW | A Flood Warning is issued for longer term flooding events that focus on larger rivers. The Flood Warning is issued for specific locations, provides specific stage levels/forecasts, including crest level and time of occurrence, whenever flooding is forecast, imminent or occurring. |
| LSH | A Lakeshore Warning is issued when high waves, beach erosion and flooding is expedite along the shores of the Great Lakes. |
| RVA | River Summary is usually issued daily to provide a summary of recent rainfall and river stage information. |
| RVI | River Ice Statement can contain both narrative and numeric information on river ice conditions. |
| RVR | A River Recreation Statement provides current and forecast river and lake conditions as they pertain to recreational activities; can include flow velocity to describe conditions for boating, including white water rafting and to indicate dangerous conditions for swimmers and boaters. |
| RVS | A River Statement is issued to describe notable daily river forecasts, ice jams and ice movements that do not warrant a flood warning or a flood statement. It is also used to communicate low flows, chemical spills, etc. |
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