The hydrologic cycle describes the circulation of water from the ocean and other watery surfaces to the atmosphere and to the land. … Precipitation — rain, snow, sleet or freezing rain — falls from clouds and is a loss of atmospheric water as it removes water from the atmosphere.
What are the 3 types of communication issued when hazardous weather threatens?
The National Weather Service uses the words “advisory”, “watch” and “warning” to alert you to potentially dangerous weather. Understanding these terms and knowing how to react can be a life saver.
What does areal flood watch mean?
An Areal Flood Warning is normally issued for flooding that develops more gradually, usually from prolonged and persistent moderate to heavy rainfall. This results in a gradual ponding or buildup of water in low-lying, flood prone areas, as well as small creeks and streams.
What is worse a storm warning or watch?
A thunderstorm watch, which can be in effect for several hours, means weather conditions exist where severe thunderstorms can easily develop. A thunderstorm warning means current storm conditions can turn worse, including heavy rain and strong winds.
What are 5 warning signs that a tornado may occur?
Warning Signs that a Tornado May Develop
- A dark, often greenish, sky.
- Wall clouds or an approaching cloud of debris.
- Large hail often in the absence of rain.
- Before a tornado strikes, the wind may die down and the air may become very still.
- A loud roar similar to a freight train may be heard.
What is a hurricane alert?
A hurricane or tropical storm warning means that, within 36 hours, hurricane or tropical storm conditions could impact your area.
What does it mean when a watch is issued for a tornado?
“A watch is issued when conditions are favorable, for example, either for a severe thunderstorm or tornadoes,” AccuWeather.com Senior Meteorologist Dan Kottlowski said. “It doesn’t mean severe weather is imminent.” If there is a watch in your area, you should keep an eye on weather alerts and be prepared to act.
What order do weather warnings go in?
This can include heavy rain, snow, wind, fog and ice. The warnings have different colours depending on how bad – and potentially dangerous – the weather is. These are yellow, amber and red.
What are the 3 types of flood alerts?
Difference between the 3 different types of flood warnings
- Areal Flood Warning. Areal flood warnings are the least impacting flood warnings. …
- River Flood Warning. River flood warnings are issued when a river is expected to at least reach flood stage. …
- Flash Flood Warning.
What is the meaning of areal?
: of, relating to, or involving an area The figure of merit for a disk technology is its areal density: the number of data bits reliably stored per unit area of the magnetic surface.—