Definition
Continuous, recorded weather and aeronautical information broadcast over selected low-frequency (L/MF) and VOR navigation receivers in Alaska, providing route-oriented weather data including current conditions, forecasts, winds aloft, and notices to airmen.
Plain English
A pre-recorded weather report that pilots can listen to through their navigation radio, giving them weather and flight information for a specific route.
Context Anchor
Seen in preflight planning and aeronautical decision-making discussions as one of the outside resources a pilot may use to gather weather information before making a go/no-go decision.
Derivation
Transcribed' here means 'recorded for later playback,' from Latin transcribere, 'to write across or copy over.' The recording is made once and replayed continuously, rather than being read live by a briefer.
Why Pilots Care
They supplied reliable, hands-free weather updates in areas or aircraft without modern digital or satellite services.
Intuition Check
Do not assume a TWEB recording is a personal briefing. It is recorded information, so the pilot must pay attention to its time, coverage area, and limits.
Example Sentence 1
Before departing the remote strip, the pilot tuned the VOR to listen to the TWEB recording for current conditions along the route.
Example Sentence 2
Even with newer weather tools available, some training aircraft still reference TWEB recordings for basic en route updates.