Flood
| Warning | Advisory | Watch | |
| Flash Flood | Flash flooding is in progress or highly likely. Flash floods differ from other floods in that rapid flows of water into a normally dry area or rapid rises in water levels begin within a short time after the event that causes the flooding. | Weather and hydrologic conditions are favorable for flash flooding in and close to the watch area. Flash floods differ from other floods in that rapid flows of water into a normally dry area or rapid rises in water levels begin within a short time after the event that causes the flooding. | |
| Coastal Flood | Coastal flooding posing a serious threat to life and property is occurring or highly likely. | Coastal flooding with significant impacts is possible. | |
| Lakeshore Flood | Lakeshore and connecting waterway flooding posing a serious threat to life and property is occurring or highly likely. | Lakeshore and connecting waterway flooding with significant impacts is possible. | |
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Flood (River flood) |
Flooding along rivers and larger streams with a serious threat to life or property is either occurring or imminent. | Weather and river conditions indicate flooding along rivers and larger streams is possible but not occurring or imminent. | |
| Areal Flood | Flooding over arroyos, small streams or areas with a serious threat to life or property is either occurring or imminent. | Flooding over arroyos, small streams or areas is occurring or imminent. It is not expected to cause a serious threat to life or property. | Weather and hydrologic conditions indicate flooding with serious impacts is possible in and close to the watch area. |
For more severe weather information, visit http://www.weather.gov.