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Sources and Methods

Where every fact on Central Florida Dry Call comes from, how the calculated numbers are worked out, and the statements our data providers ask us to show.

Updated

Orlando facts

Florida law

Rules the estimator uses

National references

Data services

How the calculated numbers are worked out

  • Live weather: the latest observation at Orlando Executive Airport (KORL), the National Weather Service forecast for Orlando City Hall, and active alerts for Orange County (FLC095). Refreshed about every 15 minutes (forecast hourly).
  • Rain against normal: daily totals at Orlando Executive Airport from ACIS, summed for yesterday, the last 7 and 30 days and the month so far, beside the station's 1991-2020 NCEI daily normals. Trace amounts count as zero.
  • Storm history: every day in the Orlando Executive Airport record (January 1, 1892 to November 11, 2026) with rain at or above the 99th percentile of all daily readings (2 in.). Rank 1 is the wettest day. 9,856 days have no rain reading and are left out.
  • Flooding by ZIP: all NFIP claims whose reported ZIP is one of Orlando's 31 residential ZIP codes. Total paid is building plus contents payments. Counts under 5 are shown as "fewer than 5" without a dollar total.
  • Before publishing, one number from each dataset was checked by hand against the source (ZIP 32811 claim count; the station's rain on September 28 and 29, 2022).

Data queries (pulled November 12, 2026)

  • ACIS StnData, full daily record: https://data.rcc-acis.org/StnData
  • ACIS StnData, 1991-2020 monthly precipitation normals: https://data.rcc-acis.org/StnData
  • OpenFEMA NFIP Redacted Claims v3, one query per ZIP: https://www.fema.gov/api/open/v3/NfipClaims?$filter=reportedZipCode eq '<ZIP>'&$select=reportedZipCode,yearOfLoss,dateOfLoss,amountPaidOnBuildingClaim,amountPaidOnContentsClaim,occupancyType&$top=10000

Statements from our data providers

  • Weather observations, forecasts and alerts come from the National Weather Service (weather.gov).
  • Station history comes from the Applied Climate Information System (ACIS) of the NOAA Regional Climate Centers.
  • This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
  • The NFIP claims dataset is not intended to be an official federal report, and should not be considered an official federal report.

No agency logos are used, and no agency endorses Central Florida Dry Call.

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