{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:50:34.322658", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2012-May-28_to_2012-Jun-01_257.5_23.0"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2012050002990}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "May 28 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 01 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 174699.26940420672}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Mexico"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Central-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North America"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": []}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 23.0}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 257.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "257.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 254.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 260.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 20.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 28.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-05-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-104.75, 24.5], [-104.53, 25.03], [-104.18, 25.18], [-104.03, 25.53], [-103.5, 25.75], [-102.97, 25.53], [-102.82, 25.18], [-102.47, 25.03], [-102.32, 24.68], [-101.97, 24.53], [-101.75, 24.0], [-101.96, 23.5], [-101.75, 23.0], [-101.85, 22.75], [-101.75, 22.5], [-101.85, 22.25], [-101.75, 22.0], [-101.97, 21.47], [-102.5, 21.25], [-103.03, 21.47], [-103.25, 22.0], [-103.15, 22.25], [-103.18, 22.32], [-103.53, 22.47], [-103.68, 22.82], [-104.03, 22.97], [-104.25, 23.5], [-104.15, 23.75], [-104.18, 23.82], [-104.53, 23.97], [-104.75, 24.5]]]]}, "2012-05-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-106.25, 27.0], [-106.03, 27.53], [-105.5, 27.75], [-105.2, 27.63], [-105.03, 28.03], [-104.68, 28.18], [-104.53, 28.53], [-104.0, 28.75], [-103.47, 28.53], [-103.25, 28.0], [-103.35, 27.75], [-103.25, 27.5], [-103.37, 27.2], [-102.97, 27.03], [-102.75, 26.5], [-102.85, 26.25], [-102.75, 26.0], [-102.85, 25.75], [-102.82, 25.68], [-102.75, 25.65], [-102.5, 25.75], [-102.25, 25.65], [-102.0, 25.75], [-101.75, 25.65], [-101.5, 25.75], [-101.25, 25.65], [-101.0, 25.75], [-100.75, 25.65], [-100.5, 25.75], [-100.25, 25.65], [-100.0, 25.75], [-99.47, 25.53], [-99.25, 25.0], [-99.35, 24.75], [-99.25, 24.5], [-99.37, 24.2], [-98.97, 24.03], [-98.75, 23.5], [-98.97, 22.97], [-99.5, 22.75], [-99.75, 22.85], [-100.0, 22.75], [-100.25, 22.85], [-100.32, 22.82], [-100.47, 22.47], [-100.87, 22.3], [-100.75, 22.0], [-100.97, 21.47], [-101.32, 21.32], [-101.35, 21.25], [-101.25, 21.0], [-101.47, 20.47], [-102.0, 20.25], [-102.53, 20.47], [-102.68, 20.82], [-103.03, 20.97], [-103.25, 21.5], [-103.15, 21.75], [-103.18, 21.82], [-103.53, 21.97], [-103.75, 22.5], [-103.65, 22.75], [-103.68, 22.82], [-104.03, 22.97], [-104.18, 23.32], [-104.53, 23.47], [-104.75, 24.0], [-104.65, 24.25], [-104.75, 24.5], [-104.53, 25.03], [-104.18, 25.18], [-104.15, 25.25], [-104.18, 25.32], [-104.5, 25.46], [-105.0, 25.25], [-105.53, 25.47], [-105.75, 26.0], [-105.65, 26.25], [-105.68, 26.32], [-106.03, 26.47], [-106.25, 27.0]]]]}, "2012-05-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-106.25, 27.0], [-106.03, 27.53], [-105.5, 27.75], [-105.2, 27.63], [-105.03, 28.03], [-104.68, 28.18], [-104.53, 28.53], [-104.0, 28.75], [-103.47, 28.53], [-103.25, 28.0], [-103.35, 27.75], [-103.25, 27.5], [-103.37, 27.2], [-102.97, 27.03], [-102.75, 26.5], [-102.85, 26.25], [-102.75, 26.0], [-102.85, 25.75], [-102.82, 25.68], [-102.75, 25.65], [-102.5, 25.75], [-102.25, 25.65], [-102.0, 25.75], [-101.75, 25.65], [-101.5, 25.75], [-101.25, 25.65], [-101.0, 25.75], [-100.75, 25.65], [-100.5, 25.75], [-100.25, 25.65], [-100.0, 25.75], [-99.47, 25.53], [-99.25, 25.0], [-99.35, 24.75], [-99.25, 24.5], [-99.37, 24.2], [-98.97, 24.03], [-98.75, 23.5], [-98.97, 22.97], [-99.5, 22.75], [-99.75, 22.85], [-100.0, 22.75], [-100.25, 22.85], [-100.32, 22.82], [-100.46, 22.5], [-100.25, 22.0], [-100.47, 21.47], [-100.82, 21.32], [-100.97, 20.97], [-101.32, 20.82], [-101.47, 20.47], [-102.0, 20.25], [-102.53, 20.47], [-102.68, 20.82], [-103.03, 20.97], [-103.25, 21.5], [-103.15, 21.75], [-103.18, 21.82], [-103.53, 21.97], [-103.75, 22.5], [-103.65, 22.75], [-103.68, 22.82], [-104.03, 22.97], [-104.18, 23.32], [-104.53, 23.47], [-104.75, 24.0], [-104.65, 24.25], [-104.75, 24.5], [-104.53, 25.03], [-104.18, 25.18], [-104.15, 25.25], [-104.18, 25.32], [-104.5, 25.46], [-105.0, 25.25], [-105.53, 25.47], [-105.75, 26.0], [-105.65, 26.25], [-105.68, 26.32], [-106.03, 26.47], [-106.25, 27.0]]]]}, "2012-05-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-106.25, 27.0], [-106.03, 27.53], [-105.5, 27.75], [-105.2, 27.63], [-105.03, 28.03], [-104.68, 28.18], [-104.53, 28.53], [-104.0, 28.75], [-103.47, 28.53], [-103.25, 28.0], [-103.35, 27.75], [-103.25, 27.5], [-103.37, 27.2], [-102.97, 27.03], [-102.75, 26.5], [-102.85, 26.25], [-102.75, 26.0], [-102.85, 25.75], [-102.82, 25.68], [-102.75, 25.65], [-102.5, 25.75], [-102.25, 25.65], [-102.0, 25.75], [-101.75, 25.65], [-101.5, 25.75], [-101.25, 25.65], [-101.0, 25.75], [-100.75, 25.65], [-100.5, 25.75], [-100.25, 25.65], [-100.0, 25.75], [-99.47, 25.53], [-99.25, 25.0], [-99.35, 24.75], [-99.25, 24.5], [-99.37, 24.2], [-98.97, 24.03], [-98.75, 23.5], [-98.97, 22.97], [-99.5, 22.75], [-99.75, 22.85], [-100.0, 22.75], [-100.25, 22.85], [-100.32, 22.82], [-100.46, 22.5], [-100.25, 22.0], [-100.47, 21.47], [-100.82, 21.32], [-100.97, 20.97], [-101.32, 20.82], [-101.47, 20.47], [-102.0, 20.25], [-102.53, 20.47], [-102.68, 20.82], [-103.03, 20.97], [-103.25, 21.5], [-103.15, 21.75], [-103.18, 21.82], [-103.53, 21.97], [-103.75, 22.5], [-103.65, 22.75], [-103.68, 22.82], [-104.03, 22.97], [-104.18, 23.32], [-104.53, 23.47], [-104.75, 24.0], [-104.65, 24.25], [-104.75, 24.5], [-104.53, 25.03], [-104.18, 25.18], [-104.15, 25.25], [-104.18, 25.32], [-104.5, 25.46], [-105.0, 25.25], [-105.53, 25.47], [-105.75, 26.0], [-105.65, 26.25], [-105.68, 26.32], [-106.03, 26.47], [-106.25, 27.0]]]]}, "2012-06-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-103.75, 24.0], [-103.53, 24.53], [-103.0, 24.75], [-102.75, 24.65], [-102.5, 24.75], [-101.97, 24.53], [-101.75, 24.0], [-101.53, 24.53], [-101.18, 24.68], [-101.03, 25.03], [-100.5, 25.25], [-99.97, 25.03], [-99.75, 24.5], [-99.85, 24.25], [-99.82, 24.18], [-99.47, 24.03], [-99.25, 23.5], [-99.47, 22.97], [-100.0, 22.75], [-100.25, 22.85], [-100.5, 22.75], [-100.93, 22.93], [-100.82, 22.68], [-100.47, 22.53], [-100.25, 22.0], [-100.47, 21.47], [-100.82, 21.32], [-100.97, 20.97], [-101.5, 20.75], [-102.03, 20.97], [-102.25, 21.5], [-102.15, 21.75], [-102.25, 22.0], [-102.15, 22.25], [-102.18, 22.32], [-102.25, 22.35], [-102.5, 22.25], [-103.03, 22.47], [-103.25, 23.0], [-103.15, 23.25], [-103.18, 23.32], [-103.53, 23.47], [-103.75, 24.0]], [[-101.85, 23.75], [-101.82, 23.68], [-101.57, 23.57], [-101.75, 24.0], [-101.85, 23.75]], [[-101.18, 23.32], [-101.43, 23.43], [-101.32, 23.18], [-101.07, 23.07], [-101.18, 23.32]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.940201212252589}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.3564780255081126}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.64225724887575, 26.656503754560106, 26.978791847999844, 27.11513200867512, 24.24793103537445]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.285956009416623, 32.81974647270164, 33.9974859503896, 33.755159004731524, 26.116413465466792]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.8764384226032442, 3.0202867123117514, 3.5710601761450005, 3.6904726935627736, 2.7415963777280825]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.199762901168981, 3.7836463694525833, 4.940201212252589, 4.5390018436187916, 3.452001125497361]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3944353463897736, 1.4425092955717471, 1.7245518369083503, 1.8057796747451005, 1.4461904828671663]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5832582732179203, 1.7962506219235046, 2.3085443314447938, 2.567202962025878, 1.8956849904595496]}}