{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:40.728623", "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": "2015-Mar-28_to_2015-Apr-02_161.0_-6.5"}, "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": 2015030002462}, "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": "March 28 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 02 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 135184.3608621506}, "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": ["Solomon Islands"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Oceania"]}, "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": ["Solomon Sea", "South Pacific Ocean"]}, "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": -6.5}, "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": 161.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "161.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 157.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 164.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-03-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[159.25, -5.5], [159.47, -4.97], [159.82, -4.82], [159.97, -4.47], [160.5, -4.25], [160.75, -4.35], [161.0, -4.25], [161.25, -4.35], [161.5, -4.25], [161.75, -4.35], [161.82, -4.32], [161.97, -3.97], [162.5, -3.75], [162.75, -3.85], [162.82, -3.82], [162.97, -3.47], [163.5, -3.25], [163.75, -3.35], [164.0, -3.25], [164.53, -3.47], [164.75, -4.0], [164.54, -4.5], [164.75, -5.0], [164.53, -5.53], [164.0, -5.75], [163.75, -5.65], [163.5, -5.75], [163.25, -5.65], [163.0, -5.75], [162.75, -5.65], [162.5, -5.75], [162.25, -5.65], [162.18, -5.68], [162.15, -5.75], [162.25, -6.0], [162.15, -6.25], [162.25, -6.5], [162.03, -7.03], [161.5, -7.25], [161.25, -7.15], [161.0, -7.25], [160.7, -7.13], [160.53, -7.53], [160.0, -7.75], [159.47, -7.53], [159.25, -7.0], [159.47, -6.47], [159.88, -6.3], [159.82, -6.18], [159.47, -6.03], [159.25, -5.5]]]]}, "2015-03-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[158.25, -7.0], [158.35, -6.75], [158.25, -6.5], [158.47, -5.97], [159.0, -5.75], [159.43, -5.93], [159.25, -5.5], [159.47, -4.97], [159.82, -4.82], [159.97, -4.47], [160.5, -4.25], [160.75, -4.35], [161.0, -4.25], [161.25, -4.35], [161.5, -4.25], [161.75, -4.35], [161.82, -4.32], [161.97, -3.97], [162.5, -3.75], [162.75, -3.85], [162.82, -3.82], [162.97, -3.47], [163.5, -3.25], [163.75, -3.35], [164.0, -3.25], [164.53, -3.47], [164.75, -4.0], [164.54, -4.5], [164.75, -5.0], [164.53, -5.53], [164.0, -5.75], [163.75, -5.65], [163.5, -5.75], [163.25, -5.65], [163.0, -5.75], [162.75, -5.65], [162.5, -5.75], [162.25, -5.65], [162.18, -5.68], [162.15, -5.75], [162.25, -6.0], [162.15, -6.25], [162.25, -6.5], [162.03, -7.03], [161.5, -7.25], [161.25, -7.15], [161.0, -7.25], [160.7, -7.13], [160.53, -7.53], [160.0, -7.75], [159.75, -7.65], [159.68, -7.68], [159.65, -7.75], [159.75, -8.0], [159.53, -8.53], [159.0, -8.75], [158.75, -8.65], [158.5, -8.75], [157.97, -8.53], [157.75, -8.0], [157.97, -7.47], [158.32, -7.32], [158.35, -7.25], [158.25, -7.0]], [[159.82, -6.18], [159.57, -6.07], [159.68, -6.32], [159.75, -6.35], [159.88, -6.3], [159.82, -6.18]]]]}, "2015-03-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[157.47, -5.97], [158.0, -5.75], [158.25, -5.85], [158.5, -5.75], [158.75, -5.85], [159.0, -5.75], [159.25, -5.85], [159.32, -5.82], [159.35, -5.75], [159.25, -5.5], [159.47, -4.97], [159.82, -4.82], [159.97, -4.47], [160.5, -4.25], [160.75, -4.35], [161.0, -4.25], [161.25, -4.35], [161.5, -4.25], [161.75, -4.35], [161.82, -4.32], [161.97, -3.97], [162.5, -3.75], [162.75, -3.85], [162.82, -3.82], [162.97, -3.47], [163.5, -3.25], [163.75, -3.35], [164.0, -3.25], [164.53, -3.47], [164.75, -4.0], [164.54, -4.5], [164.75, -5.0], [164.53, -5.53], [164.0, -5.75], [163.75, -5.65], [163.5, -5.75], [163.25, -5.65], [163.0, -5.75], [162.75, -5.65], [162.5, -5.75], [162.25, -5.65], [162.18, -5.68], [162.15, -5.75], [162.25, -6.0], [162.15, -6.25], [162.25, -6.5], [162.03, -7.03], [161.5, -7.25], [161.25, -7.15], [161.18, -7.18], [161.03, -7.53], [160.68, -7.68], [160.65, -7.75], [160.75, -8.0], [160.53, -8.53], [160.18, -8.68], [160.03, -9.03], [159.5, -9.25], [158.97, -9.03], [158.82, -8.68], [158.75, -8.65], [158.5, -8.75], [157.97, -8.53], [157.82, -8.18], [157.47, -8.03], [157.25, -7.5], [157.46, -7.0], [157.25, -6.5], [157.47, -5.97]]]]}, "2015-03-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[157.47, -5.97], [158.0, -5.75], [158.25, -5.85], [158.5, -5.75], [158.75, -5.85], [159.0, -5.75], [159.25, -5.85], [159.32, -5.82], [159.47, -5.47], [160.0, -5.25], [160.25, -5.35], [160.5, -5.25], [160.75, -5.35], [161.0, -5.25], [161.25, -5.35], [161.5, -5.25], [162.03, -5.47], [162.25, -6.0], [162.03, -6.53], [161.68, -6.68], [161.53, -7.03], [161.18, -7.18], [161.03, -7.53], [160.68, -7.68], [160.65, -7.75], [160.75, -8.0], [160.53, -8.53], [160.18, -8.68], [160.03, -9.03], [159.5, -9.25], [158.97, -9.03], [158.82, -8.68], [158.75, -8.65], [158.5, -8.75], [157.97, -8.53], [157.82, -8.18], [157.47, -8.03], [157.25, -7.5], [157.46, -7.0], [157.25, -6.5], [157.47, -5.97]]]]}, "2015-04-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[157.47, -5.97], [158.0, -5.75], [158.25, -5.85], [158.5, -5.75], [158.75, -5.85], [159.0, -5.75], [159.25, -5.85], [159.32, -5.82], [159.47, -5.47], [160.0, -5.25], [160.25, -5.35], [160.5, -5.25], [160.75, -5.35], [161.0, -5.25], [161.25, -5.35], [161.5, -5.25], [162.03, -5.47], [162.25, -6.0], [162.03, -6.53], [161.68, -6.68], [161.53, -7.03], [161.18, -7.18], [161.03, -7.53], [160.68, -7.68], [160.65, -7.75], [160.75, -8.0], [160.53, -8.53], [160.18, -8.68], [160.03, -9.03], [159.5, -9.25], [158.97, -9.03], [158.82, -8.68], [158.75, -8.65], [158.5, -8.75], [157.97, -8.53], [157.82, -8.18], [157.47, -8.03], [157.25, -7.5], [157.46, -7.0], [157.25, -6.5], [157.47, -5.97]]]]}, "2015-04-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[159.97, -5.97], [160.5, -5.75], [160.75, -5.85], [160.82, -5.82], [160.97, -5.47], [161.5, -5.25], [162.03, -5.47], [162.25, -6.0], [162.03, -6.53], [161.68, -6.68], [161.53, -7.03], [161.18, -7.18], [161.03, -7.53], [160.5, -7.75], [159.97, -7.53], [159.75, -7.0], [159.85, -6.75], [159.75, -6.5], [159.97, -5.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.3959282281149399}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9737185601473545}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.30572934713058, 28.36991409873525, 28.311387474090452, 28.315442957548328, 28.300669560760753, 28.21337269456501]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.548058614369552, 28.828944981858456, 28.59266032646684, 28.705059624344074, 28.649424604479293, 28.2899604294426]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.891694976995315, 0.9871861286586793, 0.9600665632752429, 1.035197105489553, 1.0138632547937727, 0.8373351972316954]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.097403040400252, 1.3801433124274922, 1.2147850021115119, 1.3959282281149399, 1.301619319596341, 0.8885096188314492]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6183151355335763, 1.8013192547468597, 1.7453472707756177, 1.9433653147723076, 1.916212766671613, 1.5448205247530757]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9490326316766806, 2.4220527323970686, 2.193900437022045, 2.6319390959098974, 2.524624878847016, 1.612755110370046]}}