Meteorology · Marine Warnings — Thresholds
Under the U.S. National Weather Service marine warning system, a 'gale warning' covers sustained winds in what range?
- A34 to 47 knots✓ Correct
- B22 to 33 knots
- C48 to 63 knots
- D64 knots and above
Explanation
NWS thresholds: small craft advisory ~22–33 kt, gale warning 34–47 kt, storm warning 48–63 kt, and hurricane force warning 64 kt and above (for non-tropical systems). A gale warning corresponds to Beaufort force 8–9.
Authority: NOAA/NWS marine warnings; WMO
Practice the full Meteorology bank
Free spaced-repetition quizzing across 2190 USCG exam questions — it schedules your reviews so the ones you miss come back until they stick.
Related Meteorology questions
- Atmosphere & Pressure
Standard atmospheric pressure at sea level is approximately:
- Atmosphere & Pressure
One millibar (mb) is equal to:
- Atmosphere & Pressure
A barometer that is falling rapidly most likely indicates:
- Atmosphere & Pressure
On a surface weather chart, isobars spaced very close together indicate:
- Wind
By convention, a wind is named for:
- Wind
In the Northern Hemisphere, the Coriolis effect deflects moving air: