# Tornado Event - Spalding (near Albion), NE, 2023-05-12 * Time of Event: 19:40 - 19:42 UTC (see pressure drop in data to localize) * Sensors were inside Dominator 3 which was inside the tornado * Pressure drop from baseline: 53.23 hPa * Sharpest excursion: 23mb over 0.75 s * All the data for the recording session is included for spectral analysis startup purposes * All times are in UTC ## Subsonic * File: 2023-05-12-121243D-output-gps.csv * File: 2023-05-12-121243D-output-samples.csv * Format: csv * Sample Rate: ~8Hz Data taken with our Subsonic unit. Units and field descriptions can be found in the header. **Pressure is in Pascals**. ## UnderPressure * File: UnderPressure.csv * Format: csv * Sample Rate: ~1Hz Data taken by an iPhone 14 Pro sampling at 1Hz with our custom app (Under Pressure). Units and field descriptions can be found in the header. **Pressure is in hPa**. # Citing Please connect with us first incase we've updated the data, credit and cite with the DOI. # Authorship Reed Timmer and Mark Simpson are co-authors on this data. Version: 1.0 2023-05-13