Meteorology · Marine Warnings — Storm Warning
A 'storm warning' (non-tropical) from the NWS indicates sustained winds of:
- A34 to 47 knots
- B48 to 63 knots✓ Correct
- C22 to 33 knots
- D64 knots and above
Explanation
A storm warning covers 48–63 kt (Beaufort force 10–11). At 64 kt and above the product becomes a hurricane force warning (non-tropical) or hurricane warning (tropical cyclone).
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: