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Public safety / First published

Dense Fog Advisory issued Nov. 12, 2026 by NWS Rapid City SD

Published automatically from public-record data. Whether a person reviewed any later version is recorded against that version below. This heading is the article's current headline.

Article identifier: alert-a7ee4eb4f82498dbe6b88b62760469d008a0c3a4-001-1

Read the live article →

Version history

Every published version of this article, newest first. Versions are append-only: a correction adds a row, it never rewrites history. Each version below states what changed against the version before it — which fields moved, and which body lines were added or removed.

The content hash is a SHA-256 fingerprint of that version's stored headline and body, computed when the version was written. Two versions with the same hash hold identical text; a changed hash proves the text moved. It is the tamper-evidence check — recompute it against an exported copy of a version and any silent edit shows up as a mismatch.

How we verify a hash — and how you can

Canonicalization: the hashed bytes are the version's stored headline, then the two characters ||, then the version's stored body markdown — UTF-8, SHA-256, lowercase hex. Nothing else is in the input: no normalization, re-wrapping or rendering is applied first, no trailing newline is added, and no other field (including the parent version's id) is mixed in.

Export a version's stored headline and body, join them with the two characters ||, and take the SHA-256 of the UTF-8 bytes. It must equal the hash printed beside that version. In a shell:

printf '%s' "HEADLINE||BODY" | shasum -a 256
  1. Version 2

    Source update — the underlying public record changed

    Update from the source feed — no human edit

    The body text changed; the headline did not. (compared against version 1)

    Dek at this version: Dense Fog Advisory issued November 12 at 8:20PM MST until November 13 at 11:00AM MST by NWS Rapid City SD. Areas named: Harding; Butte; Northern Foothills; Northeastern Crook.

    Removed (1 line )

    • The National Weather Service superseded this message at 9:42 p.m. MST (10:42 p.m. CST) with a later one. This article records the message as issued.

    Added (1 line)

    • The National Weather Service superseded this message at 10:58 a.m. MST (11:58 a.m. CST) Nov. 13 with a later one. This article records the message as issued.

    Content hash: 769ebe05ba7ecf911942b31ae16fdb051ca74a04b06b1a3e917662fe12d4fe75

  2. Version 1

    Initial publication

    Initial publication — no human byline

    No earlier version is in this record, so there is nothing to compare against.

    Content hash: 1bcb94b49ec7081b51440d4a21b0cebf74f7785ed628b81983e8ec8b1741a200

1 correction has been issued.

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