DEFINITIONS: WATCH, WARNING, ADVISORY - NWS
NATIONAL WEATHER SERVICE
#63685108
location_on E
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43858 Weather Service Rd.
Sterling, Loudoun
Weather watch/warning/advisory definitions:
https://www.weather.gov/lwx/WarningsDefined. This information can help with emergency preparedness. In addition to web links below, the National Weather Service Sacramento office can be reached 24/7 at 916-979-3051.
SOME KEY ONES IN NEVADA COUNTY (fire, heat, flooding):
FIREThe National Weather Service issues Red Flag Warnings & Fire Weather Watches to alert fire departments of the onset, or possible onset, of critical weather and dry conditions that could lead to rapid or dramatic increases in wildfire activity.
- A Red Flag Warning is issued for weather events which may result in extreme fire behavior that will occur within 24 hours.
- A Fire Weather Watch is issued when weather conditions could exist in the next 12-72 hours.
A Red Flag Warning is the highest alert. During these times extreme caution is urged by all residents, because a simple spark can cause a major wildfire. A Fire Weather Watch is one level below a Red Fla…
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