Weather Depiction Chart
Description:This product depicts surface observation reports of Low Instrument Flight Rules (LIFR), Instrument Flight Rules (IFR), Marginal Visual Flight Rules (MVFR), and Visual Flight Rules (VFR) conditions.
Issuance:Every 30 minutes
Data Sources:Surface observations
Depiction:Magenta dots indicate LIFR condtions.
Red dots indicate IFR conditions
Blue dots indicate MVFR conditions
Green dots indicate VFR conditions
|LIFR||Ceilings below 500 ft and/or visibility less than 1 mile|
|IFR||Ceilings less than 1000 ft and/or visibility less than 3 miles|
|MVFR||Ceilings between 1,000 and 3,000 ft and/or visibility between 3 and 5 miles|
|VFR||Ceilings greater than 3,000 ft and visibility greater than 5 miles|