WatchEnded

Transit disruption in France ({count} services affected)

🇫🇷 France

Onset: 2026-07-25 · First detected: 2026-07-25T06:00:53.413680+00:00 · Last observed: 2026-07-25T12:00:53.167946+00:00 · Ended: 2026-07-26T00:01:10.772282+00:00

Generated at: 2026-07-26T12:01:09.463181+00:00 · The radar runs every 6 hours; data may lag by up to 6 hours.

Plain-language brief

What happened, who is affected, what similar past episodes looked like and what to do — every number links to its source.

What happened

ObservedOn 2026-07-25, our automated monitoring flagged a public-transport disruption in France — rated watch — the lowest of our three alert levels.[RATP Open Data Paris]
ObservedThe reading behind this alert: active messages at 3 (the full technical detail is in the sections below).[RATP Open Data Paris]
Observed2 independent government advisories (Romania (MAE), Italy (Viaggiare Sicuri)) currently flag France — each advisory is quoted in this report with its issuing government named.[mae-ro-travel][viaggia-sicuri-it]

Who is affected

ObservedHotels, travel managers, OTAs and tour operators with guests in France during the event window are the most directly affected, together with travellers holding bookings there.[RATP Open Data Paris]

What similar past episodes looked like

Historical associationIn similar past high-disruption months, overnight stays in France averaged 21.2% below normal calm-month levels — a historical association from our published research panel, not a prediction.[estimates.historical_correlation]
Historical associationLooking at the 3 most similar months in our 2014-2026 research panel, overnight stays one month later differed from a year earlier by a median of +7.2% — again a historical association, not a prediction of this event.[estimates.analogues]

What to do now

RecommendationFor now, keep an eye on the situation in France; no change to bookings is needed yet.[detection.observed]

Impact

active_messages

Historical monthly context — not current conditionsAs of: 2026-07 · Disruption index: 77.50 · 0 months older than this event

How this was detected

Rule: transit_disruption_threshold

Method: deterministic-rule

Thresholds

abs_min_active	5
z_min	2

Observed

active_messages

Baseline

n_points	107
window_hours	949.63
mean	1.62
std	0.68

Sources

RATP Open Data Paris snapshotcollected: 2026-07-25T12:00:53.167946+00:00

Corroborating evidence

Independent live sources scanned for disruption-significant entries about this country. Only strict, disclosed rules count — routine entries are never counted.

bison-fute-france1 matching entriesSnapshot
Rule: count sampled DATEX II situations with severity high/highest (sampled subset of active event files, disclosed as such); low/medium situations are routine
- DIRIF — 260726-001135 — high
mae-ro-travel1 matching entriesSnapshot
Rule: count Romanian MAE travel-alert items naming the event country ONLY when the item's classified phenomenon (from its free-text Romanian title) can corroborate the event type — a national rail-strike notice ('Grevă ... feroviar') corroborates a rail event, never a seismic event (EU-27 rows only; the feed only lists destinations with an active alert)
- Republica Franceză: cod roșu și portocaliu de incendii de vegetație
viaggia-sicuri-it1 matching entriesSnapshot
Rule: count Viaggiare Sicuri 'ultimi avvisi' entries for the event country ONLY when the item's classified phenomenon (from its free-text title/excerpt) can corroborate the event type — a rail-strike or protest notice does not corroborate a seismic event; the feed only lists destinations with an active alert
- FRANCIA: incendi boschivi - aggiornamento. — Alcuni incendi boschivi stanno interessando diverse zone della Gironda (nel sud-ovest della Francia), comprese le aree intorno a Saumos, Le Porge e a Lège-

Sources scanned: auswaertiges-amt-api-de, bison-fute-france, emsc-seismic, france-diplomatie-travel, gdacs-live, mae-ro-travel, meteoalarm-eumetnet, minbuza-nl-travel, uk-fcdo-advisories, us-state-advisories, viaggia-sicuri-it

Estimates

Estimates are labeled model outputs derived from published historical artifacts — they are context, not forecasts.

Model output — historical correlation estimatehistorical-correlation

r_nights	0.39
r_arrivals	0.37
best_lag_months	6
best_lag_r	-0.43
baseline_deviation_pct	-21.18
n_months	136

Caveats:

correlation is association, not causation
baseline_deviation_pct is the observed average nights deviation during historical high-disruption months (index > 50) vs calm months
coefficients are dominated by the 2020-2021 pandemic period and may overstate the impact of smaller disruptions
computed on monthly national aggregates; sub-national and short-lived events are diluted

Observed history — analogue episodes, not a predictionanalogue-episodesindex_equiv = 25

Episode	score	index	h0	h1	h2	h3
🇫🇷 France · 2016-03	1.464	79	6.37	-5.80	-7.11	-4.05
🇫🇷 France · 2023-03	1.452	79	4.48	7.20	9.43	-0.13
🇫🇷 France · 2023-04	1.444	79	7.20	9.43	-0.13	-2.01

median_h1	7.20
median_h2	-0.13
median_h3	-2.01

Caveats:

analogues are historically similar months, not a forecast of this event
similarity is computed on a 10-feature panel embedding (tourism volumes, disruption/stringency indices, seasonality); it ignores event semantics
the index_equiv mapping from severity to disruption-index points is a disclosed modelling assumption, not an observation
observed_nights_yoy_pct mixes the event effect with everything else that happened in those months

Recommendations

Monitor the situation in France and re-check this report before confirming new bookings.
based on: detection.observed

For AI agents

Machine-readable JSON for this page:

/data/api/v1/events/ev-transit-disruption-fr-20260725-9e3993.json

Add as an MCP server (from the repo root):

claude mcp add travel-trends -- .venv/bin/python -m etl.mcp_server

API documentation→