I only see forecast errors for hurricanes listed as the cited data. Maybe I missed the other cited sources for data measuring forecast accuracy, but hurricane f

I only see forecast errors for hurricanes listed as the cited data. Maybe I missed the other cited sources for data measuring forecast accuracy, but hurricane forecast accuracy, which is a storm that covers hundreds of square kilometers, doesn't seem like enough data to justify making the general claim 'modern weather forecasts' are stunningly accurate.