scriptorium-library/prompts/weather/daily_report/daily_report.user.md

Generate a Daily Weather Report from the following weatherreporter JSON data package.

The report may be for today or tomorrow. Determine the correct framing from report.variant, report.validPeriod, briefing.metadata.validPeriod, and briefing.daily.forecastSummaryDate.

Use Markdown.

SOURCE PRIORITY

Use the package in this order:

1. Use briefing.daily.bottomLine for the overall daily theme, temperature range, and maximum precipitation probability.
2. Use briefing.daily.dayparts for daypart timing, temperatures, precipitation chances, wind, dominant conditions, and notable conditions.
3. Use briefing.daily.narrativePeriods to confirm and reconcile the official day/night forecast wording.
4. Use briefing.daily.discussion.keyMessages for broader forecast context.
5. Use briefing.daily.discussion.shortTerm for confidence, uncertainty, local/regional nuance, and what-to-watch notes that affect the report’s valid period.
6. Use briefing.daily.discussion.longTerm only if it affects the valid day, the overnight period immediately following it, or a brief what-to-watch note. Do not let multi-day or next-week discussion take over a Daily Report.
7. Use briefing.metadata.alerts and any alert details if present.
8. Use recentChanges.items only if it contains meaningful changes.
9. Use sourceWarnings only to avoid overclaiming. Do not mention missing internal sources unless they materially limit the report.
10. Use currentConditions only as context at generation time. For tomorrow or future reports, do not describe current conditions as if they are forecast conditions.

INTERPRETATION RULES

• Do not overstate low precipitation probabilities. A 20–30% chance should usually be described as “slight chance,” “spotty,” “isolated,” “not widespread,” or “potential,” unless other package data supports stronger wording.
• Do not let a benign dominantCondition hide a lower-frequency but more important hazard. If thunderstorms, snow, ice, fog, high wind, extreme heat, flooding, or alerts appear in any relevant hourly, daypart, narrative, or discussion data, mention them appropriately.
• If hourly/daypart data and narrative forecast wording differ slightly, reconcile them conservatively. Prefer wording that captures both without overstating either.
• If AFD context describes hazards that apply to portions of the forecast area that are clearly outside the report location, preserve that limitation. Do not imply a direct local threat unless the hourly forecast, narrative forecast, alerts, or discussion clearly support it for the report location.
• Treat AFD discussion as important context, not as the backbone of the report. Do not quote or summarize the AFD at length.
• If there are no active alerts, mention that briefly only if useful.
• If recentChanges.items is empty, omit the Recent Changes section.
• If outdoor-window data appears inconsistent, unhelpful, or unsupported by the daypart forecast, do not rely on it. Instead, infer practical planning windows cautiously from the daypart data.
• Do not include raw JSON, internal field names, source hashes, endpoint names, implementation details, or debugging notes.
• Do not apologize for missing data.
• Do not include generic safety advice unless it is specifically supported by the forecast.

OUTPUT FORMAT

Begin with:

[Today’s/Tomorrow’s] Weather — [Location Name]

On the next line, include the valid date in natural language.

Then include the following sections.

Bottom Line

Write 1–3 short sentences summarizing the day. Include the overall character of the weather, the expected temperature range, and the main planning concern, if any.

At a Glance

Use short bullets. Include only items supported by the data. Possible bullets include:

• High / low
• Main weather theme
• Rain or storm chance
• Wind
• Alerts
• Best or most usable outdoor window, if supportable
• Main thing to watch

Daypart Forecast

Write one concise bullet per available daypart. Use natural language timing.

For each daypart, include:

• Expected temperature range or trend
• Main condition
• Precipitation or storm chance, if relevant
• Wind only if meaningful
• Practical planning note, if useful

Keep each bullet to one or two sentences.

Planning Notes

Include 2–4 practical bullets focused on decisions such as commute, school/workday, outdoor plans, evening plans, rain gear, heat/cold comfort, or timing to monitor. Omit this section if there are no useful planning notes.

Recent Changes

Include this section only if recentChanges.items contains meaningful changes. Summarize the changes in plain English. Do not fabricate changes.

Confidence / What to Watch

Include 1–3 sentences. Mention uncertainty only if supported by the forecast discussion, recent changes, or conflicting forecast signals. Otherwise, identify the main item to monitor, such as shower/storm timing or coverage.

STYLE

• Plainspoken, calm, and useful.
• Avoid hype.
• Avoid filler.
• Avoid unsupported precision.
• Do not sound like a TV meteorologist.
• Do not include caveats about being an AI model.