Decision engine · v1.0
A long eclipse is not enough. How robust is the whole plan?
The Eclipse Readiness Score is our transparent editorial planning metric for Spain’s 2027 eclipse bases. It combines astronomy, climatology and operational travel factors. It is not an official score, a weather forecast or a guarantee.
Current ranking
11 bases, scored with the same published method.
A 90/100 does not mean a 90% chance of seeing totality. It means this base scores strongly across the published planning dimensions. Weather in 2027 can still overturn today’s climatological advantage.
Algeciras
Outstanding all-round plan
A strong transport hub with three practical weather branches around the Strait; less destination appeal is offset by operational flexibility.
Estepona
Very strong plan
One of the most balanced bases: favourable climatology, meaningful totality and strong east/west escape options.
Marbella
Very strong plan
Deep tourism infrastructure, favourable climatology and useful west/east options; the A-7 corridor and August demand remain key risks.
La Línea de la Concepción
Very strong plan
Practical eastern-Strait mobility with access toward both Algeciras/Tarifa and Estepona, though road congestion can dominate eclipse morning.
Tarifa
Very strong plan
Outstanding open-sky geometry and mainland duration; road dependence, wind exposure and likely congestion reduce operational resilience.
Conil de la Frontera
Very strong plan
Excellent Atlantic sky and useful north/south options, but road dependence and peak-season demand reduce robustness.
Barbate
Very strong plan
Open Atlantic setting and lower urban pressure, with the trade-off of thinner accommodation inventory and road-only access.
Cádiz
Strong with trade-offs
Excellent rail/walkability and broad seafront options, offset by strong crowd pressure and constrained road exits from the peninsula.
Málaga
Strong with trade-offs
The easiest major-airport and rail base with huge urban capacity, but it sacrifices a large amount of totality compared with western bases.
Melilla
Viable, but profile-dependent
Long totality and compact city logistics, but very poor regional escape flexibility once committed to the destination.
Ceuta
Higher operational trade-offs
Exceptional totality in a compact city, but the Strait makes same-day weather escape substantially harder.
Methodology
What goes into the score
Objective inputs are kept separate from editorial planning inputs. The score exists to expose trade-offs, not hide them.
Historical climate
30%. Normalised from the historical cloud signal already used in our city guides: lower cloud signal produces a higher planning score.
Totality duration
25%. Duration at the representative city point, normalised against Spain’s ≈4m48s reference maximum.
Weather-escape flexibility
15%. High / medium / low ability to preserve realistic alternative totality branches before eclipse morning.
Access
10%. Gateway quality, rail/bus/ferry options and dependence on vulnerable road corridors.
Accommodation depth
10%. Broadness of the practical accommodation base, not live availability or price.
Viewing environment
5%. Quality and breadth of candidate open-sky settings described in our guides.
Crowd resilience
5%. How well the base is likely to absorb event pressure operationally; this is not a live crowd forecast.
Score = 30% climate + 25% duration + 15% weather escape + 10% access + 10% accommodation + 5% viewing environment + 5% crowd resilience
Climate and duration are calculated from the guide dataset. Accommodation and escape use the same structured stay-strategy categories across every base. Access, viewing environment and crowd resilience are documented editorial planning inputs scored on one shared 0–100 rubric.
Later versions can add user-adjustable weights, real forecast confidence, authorised accommodation pressure data and a dynamic Escape Score. Every version will remain documented so the ranking does not silently change.