in-flight weather

ADS-B weather aviation safety cockpit weather convective weather avoidance FIS-B NEXRAD weather decision making weather radar

Cleared Direct Sep 12, 2026

Cockpit NEXRAD, the Fifteen-Minute Lag You Cannot See, and Why the Data Is Always Older Than It Looks

FIS-B radar data on your ForeFlight or Garmin display is typically 15–20 minutes old - here's why, and how to fly with that reality in mind.

Vector

Cleared Direct Jul 4, 2026

The NEXRAD Delay: What Your Cockpit Weather Picture Is Actually Showing You and When the Gap Can Kill You

Cockpit weather displays show radar data that is 5–15 minutes old - a gap that can be fatal when navigating convective weather.

Vector