Earth Science & Energy
Coriolis Acceleration ($2v\Omega\sin\phi$) Geostrophic Wind Sizer
Calculate coriolis acceleration ($2v\omega\sin\phi$) geostrophic wind using the stated engineering or scientific relationship and adjustable field inputs.
Preparing your result…
What this calculator does
Calculates Coriolis Acceleration ($2v\Omega\sin\phi$) Geostrophic Wind Sizer using the formula verified against the cited source.
What your result means
An estimate from the inputs you enter, within the scope stated below — not advice.
Formula
Coriolis parameter f = 2Ω sin φ (Ω = 7.2921 × 10⁻⁵ s⁻¹); horizontal Coriolis acceleration magnitude = |f| × v
The step-by-step working for your own numbers appears with the result above and in the PDF report.
Frequently asked questions
Symbols and assumptions
- Inputs
- The values entered in the fields above
- • Coriolis parameter f=2Ωsinφ, Ω≈7.2921×10^−5s^−1. For horizontal speed v m/s, horizontal Coriolis-acceleration magnitude=|f|v m/s²; direction is perpendicular to motion.
Sources and review
Reviewed 2026-10-18 · Next review 2027-04-18
- • A signed fv is not a hemisphere-independent magnitude. Convert latitude degrees to radians in trig. These inputs yield a rotation parameter/acceleration only, not geostrophic wind, which additionally needs pressure-gradient and density/height information.
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
Quick reference
| Scenario | Latitude (negative = south) (°) | Horizontal speed (m/s) | Coriolis acceleration |
|---|---|---|---|
| Worked example | 45 | 10 | 1.0313 mm/s² |
| Half the amounts | 22.5 | 5 | 0.2791 mm/s² |
| Double the amounts | 90 | 20 | 2.9168 mm/s² |
Need the full picture? Get the detailed PDF report with charts, tables, formulas and working steps.
Reviewed 2026-10-18 · Next review 2027-04-18
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