The Weather Channel on MSN21h
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 ...
That’s leading to the creation of mountain waves, which arise when strong winds blow perpendicular to a mountain range. The ...
On Sunday at 2:40 p.m. the NWS Los Angeles/Oxnard CA issued a red flag warning valid from Tuesday 10 a.m. until Thursday 6 ...