In a METAR, “BR” indicates:
[PVT] What is the source region for most weather in the Unit…
What is the source region for most weather in the United States? (AWH Ch. 4)
[IFR] What is the TAF wind shear group format WS020/24045KT…
What is the TAF wind shear group format WS020/24045KT indicating? (AWH Ch. 27)
[IFR] How frequently are TAFs routinely issued? (AWH Ch. 27)
How frequently are TAFs routinely issued? (AWH Ch. 27)
[ATP] What is “space weather” and how can it impact aviation…
What is “space weather” and how can it impact aviation operations? (AWH Ch. 23)
[PVT] Upslope fog forms when what occurs? (AWH Ch. 18)
Upslope fog forms when what occurs? (AWH Ch. 18)
[COM] What is a “thermal” used by glider pilots and a hazard…
What is a “thermal” used by glider pilots and a hazard to powered aircraft on hot days? (AWH Ch. 19)
[PVT] What ceiling and visibility values define MVFR (margin…
What ceiling and visibility values define MVFR (marginal VFR)? (AWH Ch. 26)
[PVT] What is the definition of VFR weather minimums in term…
What is the definition of VFR weather minimums in terms of ceiling and visibility? (AWH Ch. 26)
[PVT] What primary cause drives all atmospheric circulation?…
What primary cause drives all atmospheric circulation? (AWH Ch. 7)