Peer Rejected

rejections > clim.FR > REJ:2026.09.04.0001

REJ:2026.09.04.0001clim.FR (Fringe Climatology)PRJ-2026-0066Vol. 12, No. 9DOI 10.5555/prj.2026.0066Status: Rejected

It Rains Because the Washing Is Out: Household Line-Drying as the Controlling Moisture Source for Warm-Season Rainfall, with a Cluster-Randomised Trial in 3,214 Homes

Halvard Bekk1, Perpetua Nwankwo2, D. R. Culpepper3, The Line-Drying Attribution Consortium4

1. Institute for Boundary-Layer Accounting · 2. Bureau of Domestic Meteorology · 3. Institute for Boundary-Layer Accounting · 4. 84 clusters, six national grids

Submitted and rejected September 4, 2026 · 7 pages · 3 figures · review duration: 33 minutes

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Abstract

It rains as soon as the washing goes out. The washing is the reason. A load hung outside releases about 2.1 kg of water into the air just above the ground, in the hours when that air decides whether a cloud will form, and nothing else people do puts water there. The total is trivial — four hundredths of one per cent of the seasonal moisture budget — and total water is not what governs convective initiation. Household drying can be read off the electricity meter: a wash cycle with no dryer cycle behind it is a load on a line. We reconstructed ten years of it for 1.42 million homes and tested it four ways. Clusters supplied with tumble dryers in a two-season cluster-randomised trial rained less than clusters left on the line. The same step appears wherever a right-to-dry statute commences, and again when a dryer breaks. Pooling the three, we attribute of warm-season rain-hours over inhabited land to domestic drying (95% CI –). Rain re-wets the line and the line is re-hung, so the mechanism is a loop; in the temperate maritime zone its gain is . A loop with gain above one and a delay does not settle. Weather is not something that happens to the washing.

keywords: boundary-layer moisture · line drying · convective initiation · weekly precipitation cycle · forecast skill attribution

Cite this rejection

@article{PRJ20260066,
  title   = {It Rains Because the Washing Is Out: Household Line-Drying as the Controlling Moisture Source for Warm-Season Rainfall, with a Cluster-Randomised Trial in 3,214 Homes},
  author  = {Halvard Bekk and Perpetua Nwankwo and D. R. Culpepper and The Line-Drying Attribution Consortium},
  journal = {Peer Rejected},
  year    = {2026},
  note    = {Rejected manuscript, PRJ-2026-0066},
  url     = {https://peerrejected.com/papers/it-rains-because-the-washing-is-out}
}

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