The Bhote Koshi–Trishuli flash flood of 26 August 2026, Rasuwa, Nepal: warning latency exceeded flood travel time

Event-specific preprint reconstructing the realized warning chain at six river stations and comparing public-alert timing with flood-wave arrival along the Bhote Koshi–Trishuli–Narayani corridor.

Status
Included
Provider
EarthArXiv
Resource type
Scholarly Preprint
Evidence class
Multi Source Event Analysis

Completed catalogue assessment

Eligibility decision
Include · Include
Assessment date
28 September 2026
Decision reason
Original source identity and relevant content established; exact unsupported metadata replaced and evidential limits recorded.
Metadata corrections
{"resource_version":"Version 5","last_updated":"2026-09-09","access_url":"https://eartharxiv.org/repository/object/14687/download/25908/","production_method":"Reconstructs gauge-specific arrival brackets from ten-minute stage series and telemetry loss, compares these with reported alert dispatch, and evaluates conditional warning and frictional-melting scenarios.","provenance_summary":"Version 5 full text names Sunim Acharya and Animesh Paudel; the landing page still lists Acharya alone. First published 29 August and updated 9 September 2026. The exact data release cited by v5 is DOI 10.5281/zenodo.22679444, version 3.0.0.","uncertainty_summary":"Telemetry-loss arrival brackets assume that flood arrival caused the loss rather than an earlier power or backhaul failure. Dispatch does not establish delivery, receipt, or action. Counterfactual two- and five-minute alerts are assumptions, not operational validation.","limitations":"Preprint, not peer reviewed. Full text and repository metadata differ in authorship. Table 3 gives an inconsistent Devghat lead time relative to its 14:30–14:40 arrival bracket; flag this source error rather than repeat it.","reviewed_on":"2026-09-28","current_status":"eligibility_assessed"}

View the complete assessment and exclusion ledger.

Identity and coverage

Catalogue identifier
res-73f9541b-65fc-4055-b4a4-a177b978c017
Persistent identifier
10.31223/x5hn5h
Resource version
Version 5
Publication date
29 August 2026
Last updated
9 September 2026
Metadata reviewed
28 September 2026
Language
English
Geographic coverage
Langtang and Lhende Khola source area and the Bhote Koshi–Trishuli–Narayani river corridor in central Nepal.
Bounding box (WGS 84)
Not stated
Temporal coverage
26 August 2026; Event Analysis
Themes
Early Warning, Hydrology, Flood Propagation, Cryosphere, Disaster Impacts, Infrastructure

Method and provenance

Production method
Reconstructs gauge-specific arrival brackets from ten-minute stage series and telemetry loss, compares these with reported alert dispatch, and evaluates conditional warning and frictional-melting scenarios.
Provenance
Version 5 full text names Sunim Acharya and Animesh Paudel; the landing page still lists Acharya alone. First published 29 August and updated 9 September 2026. The exact data release cited by v5 is DOI 10.5281/zenodo.22679444, version 3.0.0.
Validation
Not Peer Reviewed
Uncertainty
Telemetry-loss arrival brackets assume that flood arrival caused the loss rather than an earlier power or backhaul failure. Dispatch does not establish delivery, receipt, or action. Counterfactual two- and five-minute alerts are assumptions, not operational validation.
Limitations
Preprint, not peer reviewed. Full text and repository metadata differ in authorship. Table 3 gives an inconsistent Devghat lead time relative to its 14:30–14:40 arrival bracket; flag this source error rather than repeat it.

Access and reuse

Access
Direct Open; open access route
Licence
CC-BY-4.0; licence evidence
Redistribution
Permitted Under Stated Licence
Catalogue status
Included

Assets

2 assets

Authoritative metadata sources

Spatial extent

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Recorded bounding box