{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:11:44.376565", "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": "2020-Feb-28_to_2020-Mar-05_262.0_17.0"}, "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": 2020020002752}, "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": "February 28 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 05 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 170804.51646369978}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": 17.0}, "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": 262.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "262.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 258.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 264.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 17.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 25.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-97.47, 16.47], [-98.0, 16.25], [-98.53, 16.47], [-98.677, 16.823], [-99.03, 16.97], [-99.25, 17.5], [-99.125, 17.802], [-99.53, 17.97], [-99.75, 18.5], [-99.625, 18.802], [-100.03, 18.97], [-100.177, 19.323], [-100.53, 19.47], [-100.677, 19.823], [-100.75, 19.854], [-101.0, 19.75], [-101.53, 19.97], [-101.677, 20.323], [-102.03, 20.47], [-102.25, 21.0], [-102.03, 21.53], [-101.677, 21.677], [-101.646, 21.75], [-101.646, 21.751], [-101.75, 22.0], [-101.646, 22.25], [-101.75, 22.5], [-101.53, 23.03], [-101.0, 23.25], [-100.75, 23.146], [-100.625, 23.198], [-100.75, 23.5], [-100.625, 23.802], [-101.03, 23.97], [-101.25, 24.5], [-101.03, 25.03], [-100.677, 25.177], [-100.53, 25.53], [-100.0, 25.75], [-99.47, 25.53], [-99.25, 25.0], [-99.354, 24.75], [-99.323, 24.677], [-98.97, 24.53], [-98.75, 24.0], [-98.854, 23.75], [-98.75, 23.5], [-98.854, 23.25], [-98.75, 23.0], [-98.854, 22.75], [-98.75, 22.5], [-98.854, 22.25], [-98.75, 22.0], [-98.854, 21.75], [-98.823, 21.677], [-98.75, 21.646], [-98.5, 21.75], [-97.97, 21.53], [-97.75, 21.0], [-97.854, 20.75], [-97.823, 20.677], [-97.75, 20.646], [-97.5, 20.75], [-96.97, 20.53], [-96.823, 20.177], [-96.75, 20.146], [-96.749, 20.146], [-96.5, 20.25], [-95.97, 20.03], [-95.823, 19.677], [-95.47, 19.53], [-95.25, 19.0], [-95.47, 18.47], [-95.823, 18.323], [-95.957, 18.0], [-95.75, 17.5], [-95.97, 16.97], [-96.5, 16.75], [-96.75, 16.854], [-97.0, 16.75], [-97.302, 16.875], [-97.47, 16.47]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Central-America", "S.Central-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-02-28T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-98.75, 17.0], [-98.53033008588989, 17.53033008588991], [-98.0, 17.75], [-97.46966991411011, 17.53033008588991], [-97.25, 17.0], [-97.46966991411011, 16.46966991411009], [-98.0, 16.25], [-98.53033008588989, 16.46966991411009], [-98.75, 17.0]]]}, "2020-02-29T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-98.75, 17.0], [-98.53033008588989, 17.53033008588991], [-98.0, 17.75], [-97.46966991411011, 17.53033008588991], [-97.25, 17.0], [-97.46966991411011, 16.46966991411009], [-98.0, 16.25], [-98.53033008588989, 16.46966991411009], [-98.75, 17.0]]]}, "2020-03-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-99.03033008588989, 16.96966991411009], [-99.25, 17.5], [-99.03033008588989, 18.03033008588991], [-98.5, 18.25], [-98.25, 18.146446609406723], [-98.0, 18.25], [-97.46966991411011, 18.03033008588991], [-97.25, 17.5], [-97.35355339059328, 17.25], [-97.25, 17.0], [-97.46966991411011, 16.46966991411009], [-98.0, 16.25], [-98.53033008588989, 16.46966991411009], [-98.67677669529661, 16.82322330470336], [-99.03033008588989, 16.96966991411009]]], [[[-102.03033008588989, 20.46966991411009], [-102.25, 21.0], [-102.03033008588989, 21.53033008588991], [-101.67677669529661, 21.67677669529664], [-101.53033008588989, 22.03033008588991], [-101.0, 22.25], [-100.46966991411011, 22.03033008588991], [-100.25, 21.5], [-100.375, 21.198223304703365], [-99.96966991411011, 21.03033008588991], [-99.82322330470339, 20.67677669529664], [-99.46966991411011, 20.53033008588991], [-99.32322330470339, 20.17677669529664], [-99.25, 20.146446609406723], [-99.0, 20.25], [-98.5, 20.042893218813443], [-98.0, 20.25], [-97.46966991411011, 20.03033008588991], [-97.25, 19.5], [-97.46966991411011, 18.96966991411009], [-98.0, 18.75], [-98.5, 18.957106781186557], [-99.0, 18.75], [-99.25, 18.853553390593277], [-99.5, 18.75], [-100.03033008588989, 18.96966991411009], [-100.17677669529661, 19.32322330470336], [-100.53033008588989, 19.46966991411009], [-100.67677669529661, 19.82322330470336], [-100.75, 19.853553390593277], [-101.0, 19.75], [-101.53033008588989, 19.96966991411009], [-101.67677669529661, 20.32322330470336], [-102.03033008588989, 20.46966991411009]]]]}, "2020-03-02T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-101.67677669529661, 20.32322330470336], [-102.03033008588989, 20.46966991411009], [-102.25, 21.0], [-102.03033008588989, 21.53033008588991], [-101.67677669529661, 21.67677669529664], [-101.64644660940672, 21.75], [-101.75, 22.0], [-101.64644660940672, 22.25], [-101.75, 22.5], [-101.53033008588989, 23.03033008588991], [-101.0, 23.25], [-100.75, 23.146446609406723], [-100.625, 23.198223304703365], [-100.75, 23.5], [-100.625, 23.801776695296635], [-101.03033008588989, 23.96966991411009], [-101.25, 24.5], [-101.03033008588989, 25.03033008588991], [-100.67677669529661, 25.17677669529664], [-100.53033008588989, 25.53033008588991], [-100.0, 25.75], [-99.46966991411011, 25.53033008588991], [-99.25, 25.0], [-99.35355339059328, 24.75], [-99.32322330470339, 24.67677669529664], [-98.96966991411011, 24.53033008588991], [-98.75, 24.0], [-98.85355339059328, 23.75], [-98.75, 23.5], [-98.85355339059328, 23.25], [-98.75, 23.0], [-98.85355339059328, 22.75], [-98.75, 22.5], [-98.85355339059328, 22.25], [-98.75, 22.0], [-98.85355339059328, 21.75], [-98.82322330470339, 21.67677669529664], [-98.75, 21.646446609406723], [-98.5, 21.75], [-97.96966991411011, 21.53033008588991], [-97.75, 21.0], [-97.85355339059328, 20.75], [-97.82322330470339, 20.67677669529664], [-97.75, 20.646446609406723], [-97.5, 20.75], [-96.96966991411011, 20.53033008588991], [-96.82322330470339, 20.17677669529664], [-96.46966991411011, 20.03033008588991], [-96.25, 19.5], [-96.35355339059328, 19.25], [-96.25, 19.0], [-96.35355339059328, 18.75], [-96.25, 18.5], [-96.35355339059328, 18.25], [-96.32322330470339, 18.17677669529664], [-95.96966991411011, 18.03033008588991], [-95.75, 17.5], [-95.96966991411011, 16.96966991411009], [-96.5, 16.75], [-96.75, 16.853553390593277], [-97.0, 16.75], [-97.30177669529667, 16.875000000000007], [-97.46966991411011, 16.46966991411009], [-98.0, 16.25], [-98.53033008588989, 16.46966991411009], [-98.67677669529661, 16.82322330470336], [-99.03033008588989, 16.96966991411009], [-99.25, 17.5], [-99.125, 17.801776695296635], [-99.53033008588989, 17.96966991411009], [-99.75, 18.5], [-99.625, 18.801776695296635], [-100.03033008588989, 18.96966991411009], [-100.17677669529661, 19.32322330470336], [-100.53033008588989, 19.46966991411009], [-100.67677669529661, 19.82322330470336], [-100.75, 19.853553390593277], [-101.0, 19.75], [-101.53033008588989, 19.96966991411009], [-101.67677669529661, 20.32322330470336]]]}, "2020-03-03T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-101.67677669529661, 20.32322330470336], [-102.03033008588989, 20.46966991411009], [-102.25, 21.0], [-102.03033008588989, 21.53033008588991], [-101.67677669529661, 21.67677669529664], [-101.64644660940672, 21.75], [-101.75, 22.0], [-101.64644660940672, 22.25], [-101.75, 22.5], [-101.53033008588989, 23.03033008588991], [-101.0, 23.25], [-100.75, 23.146446609406723], [-100.625, 23.198223304703365], [-100.75, 23.5], [-100.625, 23.801776695296635], [-101.03033008588989, 23.96966991411009], [-101.25, 24.5], [-101.03033008588989, 25.03033008588991], [-100.67677669529661, 25.17677669529664], [-100.53033008588989, 25.53033008588991], [-100.0, 25.75], [-99.46966991411011, 25.53033008588991], [-99.25, 25.0], [-99.35355339059328, 24.75], [-99.32322330470339, 24.67677669529664], [-98.96966991411011, 24.53033008588991], [-98.75, 24.0], [-98.85355339059328, 23.75], [-98.75, 23.5], [-98.85355339059328, 23.25], [-98.75, 23.0], [-98.85355339059328, 22.75], [-98.75, 22.5], [-98.85355339059328, 22.25], [-98.75, 22.0], [-98.85355339059328, 21.75], [-98.82322330470339, 21.67677669529664], [-98.75, 21.646446609406723], [-98.5, 21.75], [-97.96966991411011, 21.53033008588991], [-97.75, 21.0], [-97.85355339059328, 20.75], [-97.82322330470339, 20.67677669529664], [-97.75, 20.646446609406723], [-97.5, 20.75], [-96.96966991411011, 20.53033008588991], [-96.82322330470339, 20.17677669529664], [-96.75, 20.146446609406723], [-96.5, 20.25], [-95.96966991411011, 20.03033008588991], [-95.82322330470339, 19.67677669529664], [-95.46966991411011, 19.53033008588991], [-95.25, 19.0], [-95.46966991411011, 18.46966991411009], [-95.82322330470339, 18.32322330470336], [-95.95710678118655, 18.0], [-95.75, 17.5], [-95.96966991411011, 16.96966991411009], [-96.5, 16.75], [-96.75, 16.853553390593277], [-97.0, 16.75], [-97.30177669529667, 16.875000000000007], [-97.46966991411011, 16.46966991411009], [-98.0, 16.25], [-98.53033008588989, 16.46966991411009], [-98.67677669529661, 16.82322330470336], [-99.03033008588989, 16.96966991411009], [-99.25, 17.5], [-99.125, 17.801776695296635], [-99.53033008588989, 17.96966991411009], [-99.75, 18.5], [-99.625, 18.801776695296635], [-100.03033008588989, 18.96966991411009], [-100.17677669529661, 19.32322330470336], [-100.53033008588989, 19.46966991411009], [-100.67677669529661, 19.82322330470336], [-100.75, 19.853553390593277], [-101.0, 19.75], [-101.53033008588989, 19.96966991411009], [-101.67677669529661, 20.32322330470336]]]}, "2020-03-04T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-101.64644660940672, 21.25], [-101.75, 21.5], [-101.64644660940672, 21.75], [-101.75, 22.0], [-101.64644660940672, 22.25], [-101.75, 22.5], [-101.53033008588989, 23.03033008588991], [-101.0, 23.25], [-100.75, 23.146446609406723], [-100.625, 23.198223304703365], [-100.75, 23.5], [-100.625, 23.801776695296635], [-101.03033008588989, 23.96966991411009], [-101.25, 24.5], [-101.03033008588989, 25.03033008588991], [-100.67677669529661, 25.17677669529664], [-100.53033008588989, 25.53033008588991], [-100.0, 25.75], [-99.46966991411011, 25.53033008588991], [-99.25, 25.0], [-99.35355339059328, 24.75], [-99.32322330470339, 24.67677669529664], [-98.96966991411011, 24.53033008588991], [-98.75, 24.0], [-98.85355339059328, 23.75], [-98.75, 23.5], [-98.85355339059328, 23.25], [-98.75, 23.0], [-98.85355339059328, 22.75], [-98.75, 22.5], [-98.85355339059328, 22.25], [-98.75, 22.0], [-98.85355339059328, 21.75], [-98.82322330470339, 21.67677669529664], [-98.75, 21.646446609406723], [-98.5, 21.75], [-97.96966991411011, 21.53033008588991], [-97.75, 21.0], [-97.85355339059328, 20.75], [-97.82322330470339, 20.67677669529664], [-97.75, 20.646446609406723], [-97.5, 20.75], [-96.96966991411011, 20.53033008588991], [-96.82322330470339, 20.17677669529664], [-96.75, 20.146446609406723], [-96.5, 20.25], [-95.96966991411011, 20.03033008588991], [-95.82322330470339, 19.67677669529664], [-95.46966991411011, 19.53033008588991], [-95.25, 19.0], [-95.46966991411011, 18.46966991411009], [-95.82322330470339, 18.32322330470336], [-95.95710678118655, 18.0], [-95.75, 17.5], [-95.96966991411011, 16.96966991411009], [-96.5, 16.75], [-96.75, 16.853553390593277], [-97.0, 16.75], [-97.53033008588989, 16.96966991411009], [-97.67677669529661, 17.32322330470336], [-98.03033008588989, 17.46966991411009], [-98.17677669529661, 17.82322330470336], [-98.25, 17.853553390593277], [-98.5, 17.75], [-98.75, 17.853553390593277], [-99.0, 17.75], [-99.53033008588989, 17.96966991411009], [-99.75, 18.5], [-99.53033008588989, 19.03033008588991], [-99.0, 19.25], [-99.25, 19.353553390593277], [-99.5, 19.25], [-100.03033008588989, 19.46966991411009], [-100.17677669529661, 19.82322330470336], [-100.53033008588989, 19.96966991411009], [-100.69822330470333, 20.375000000000007], [-101.0, 20.25], [-101.53033008588989, 20.46966991411009], [-101.75, 21.0], [-101.64644660940672, 21.25]], [[-99.0, 19.25], [-98.75, 19.146446609406723], [-98.5, 19.25], [-98.75, 19.353553390593277], [-99.0, 19.25]], [[-98.5, 19.25], [-98.25, 19.146446609406723], [-98.17677669529661, 19.17677669529664], [-98.14644660940672, 19.25], [-98.17677669529661, 19.32322330470336], [-98.25, 19.353553390593277], [-98.5, 19.25]]]}, "2020-03-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-97.96966991411011, 17.96966991411009], [-98.5, 17.75], [-99.03033008588989, 17.96966991411009], [-99.25, 18.5], [-99.03033008588989, 19.03033008588991], [-98.5, 19.25], [-97.96966991411011, 19.03033008588991], [-97.75, 18.5], [-97.96966991411011, 17.96966991411009]]], [[[-97.25, 19.0], [-97.14644660940672, 19.25], [-97.25, 19.5], [-97.03033008588989, 20.03033008588991], [-96.5, 20.25], [-95.96966991411011, 20.03033008588991], [-95.82322330470339, 19.67677669529664], [-95.46966991411011, 19.53033008588991], [-95.25, 19.0], [-95.46966991411011, 18.46966991411009], [-95.82322330470339, 18.32322330470336], [-95.96966991411011, 17.96966991411009], [-96.5, 17.75], [-97.03033008588989, 17.96966991411009], [-97.25, 18.5], [-97.14644660940672, 18.75], [-97.25, 19.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.07515368372134}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.089701373228223}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.520939226668474, 21.738153533705088, 19.208301723647708, 20.351215023294912, 21.659166556304115, 21.925600301575287, 26.752843682791763]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.520939226668474, 21.738153533705088, 22.250045506108336, 26.495512123750814, 28.600231037306173, 30.601978777921886, 28.38598576027556]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.10312188723276, 1.2749637558812879, 2.216031230263101, 3.692037428344614, 4.4792031380624975, 4.718498688928799, 2.9880079832295565]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.10312188723276, 1.2749637558812879, 2.7202514722854403, 4.941691285006129, 7.326280790647957, 8.07515368372134, 3.551673290329859]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2690198198773752, 1.4511594838612818, 1.3750184338446412, 1.479697472244719, 1.7673808896028331, 1.7533493627502168, 1.3852289485861573]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2690198198773752, 1.4511594838612818, 1.813879340618035, 1.9676233474222082, 2.3006303060407576, 2.899098604448618, 1.440654400374877]}}