Thunderstorms
wind shift line, or gust front, associated with thunderstorms can precede the actual storm by 15 nautical miles or more fbn
4135
Don't turn back once you are in the thunderstorm. A straight course through the storm most likely is the quickest way out of the hazards. In addition, turning maneuvers increase stresses on the aircraft.
Set power for recommended turbulence penetration airspeed
4146