Monday's red-flag warning is a PDS, which stands for "particularly dangerous situation." But what does that mean? An NWS ...
The Weather Channel on MSN11d
Weather Words: Red Flag Warning
Red flag criteria is generally when relative humidity is at 15% or less, combined with sustained winds and/or gusts of 25 mph ...
A red flag warning has been issued for the Inland Empire and some cities in the Coachella Valley as strong gusty winds and ...
T he National Weather Service’s highest level “Particularly Dangerous Situation” Red Flag warning went into effect in parts ...