Data Dictionary · noaa_storm_events_2024_clean

Generated from NOAA Storm Events 2024 details file.

Identifiers and Time

Column Meaning
event_id NOAA event identifier.
episode_id NOAA episode identifier; one weather system may contain many events.
year Event year.
month_name Month name from NOAA.
month Numeric month, 1-12.
month_ord Ordered month factor for plotting in R.
begin_dt Parsed event start date-time.
end_dt Parsed event end date-time.
duration_hours Event duration in hours.

Geography

Column Meaning
state State name in title case.
state_upper Original uppercase state name.
state_fips Two-character state FIPS code.
cz_type NOAA county/zone type; C means county, Z means forecast zone.
cz_fips Three-character county/zone FIPS code.
county_fips Five-character county FIPS for county-coded records; missing for zone-coded records.
county_zone_name County or forecast-zone name in title case.
weather_forecast_office NOAA/NWS weather forecast office code.
timezone NOAA timezone field.
begin_lat, begin_lon Beginning latitude/longitude, when available.
end_lat, end_lon Ending latitude/longitude, when available.
has_begin_coords, has_end_coords Whether coordinate pairs are available.

Event Type and Source

Column Meaning
event_type NOAA storm event type.
source Event report source.
data_source NOAA data source field.

Human and Economic Impact

Column Meaning
injuries_direct, injuries_indirect Direct and indirect injuries.
injuries_total Total injuries.
deaths_direct, deaths_indirect Direct and indirect deaths.
deaths_total Total deaths.
damage_property_raw, damage_crops_raw Original NOAA damage strings, such as 5.00K or 2.50M.
prop_usd, crop_usd Parsed dollar values; missing if the original field was missing.
prop_usd_zero, crop_usd_zero Parsed dollar values with missing values treated as zero.
any_property_damage, any_crop_damage Whether parsed zero-filled damage is greater than zero.

Physical Magnitude and Specialized Fields

Column Meaning
magnitude NOAA magnitude field; meaning depends on event type.
magnitude_type Magnitude type, when supplied.
flood_cause Cause for flood events, when supplied.
category Hurricane/tropical cyclone category, when supplied.
tor_f_scale Tornado F/EF scale, when supplied.
tor_length, tor_width Tornado path length and width, when supplied.
tor_other_* NOAA fields for tornadoes crossing forecast/county boundaries.

Location Text and Narratives

Column Meaning
begin_range, begin_azimuth, begin_location NOAA text/location fields for event beginning.
end_range, end_azimuth, end_location NOAA text/location fields for event ending.
episode_narrative Cleaned episode narrative text.
event_narrative Cleaned event narrative text.