Severe Alert Card

name: "Severe Alert Card"
short_description: A weather warning card with severity, detail, and expiry.
long_visual_description: >
  A left-accented alert with a warning triangle, the alert title, detail, and an "until" time,
  colour-coded by severity (advisory/watch/warning).

use_cases:
  - Severe weather warning.
  - Storm alert.
  - Weather advisory.
  - Emergency notice.
  - Hazard warning.

recommended_for:
  - A severe weather warning with severity.
avoid_for:
  - A generic alert (use alert).

markets:
  - Global

example_usage: >
  Set severity to drive the colour; state the hazard, safety advice, and expiry.

props:
  severity: The severity (drives colour).
  title: The alert title.
  detail: The hazard/safety detail.
  until: The expiry time.

example_prompts:
  - "Add a severe thunderstorm warning card."
  - "Add a weather advisory alert."

lifecycle: experimental
content_model: A weather warning with severity and expiry.

theming:
  tokens_used:
    - --color-on-surface
    - --color-on-surface-muted
    - --color-info
    - --color-warning
    - --color-danger
    - --color-border
    - --radius-card
    - --shadow-card
    - --font-heading
    - --space-card

editorial_guidance: >
  State the hazard and safety action; the severity word carries the level (colour reinforces).

categorization:
  category: Weather
  subcategory: Alerts
  atomic_type: molecule
  usage_type: [banner]
  maturity: ai-generated
  wcag:
    level: AA
    notes: role="alert"; the title conveys the warning type (severity is not colour-only); the triangle icon is decorative.
  keyboard_support: "none"
  seo_score: 30
  text_direction: both