ISTANBUL · INDEPENDENT GROUND OBSERVATIONS

Atmosphere

Small changes. Measured over time.

CONNECTING
Live observatoryObservation archive
ARAS AUTOMATIC ATMOSPHERIC MONITORING

Pressure Warning

STATUS: LOADING

Waiting for measured pressure analysis…

Unverified anomalies only; no event-source attribution.

STATION PRESSURE— hPa
SENSOR TEMPERATURE— °C
CONTINUOUS DATA— min
ACQUISITIONAwaiting sensor
LIVE PRESSURE SPECTROGRAM

Atmospheric waterfall

Glacier · grayscale powerPeriod vs UTC · brighter = higher power

Hann windows · linear trend removed per window · no gap interpolation. Display limits are locked per period setting for this page session. Use the numerical dB scale; brightness alone is not an absolute comparison between sessions.

Pressure history

hPa · UTC

Pressure spectrum

Hz · dB re 1 Pa²/Hz
Waiting for the station.1 Hz acquisition · Pico H + BMP390
MEASURED ARAS PRESSURE DATA

Atmospheric Events & Reports

Published research summaries and automatic pressure alert entries. An alert is a statistical candidate, not a verified meteorological or geophysical event.

Observation Reports

7 NOVEMBER 2026 · 20 H 40 MIN FOLLOW-UP

BMP390 — Follow-up Observation

744,302 measured samples · pressure change +5.9928 hPa · 37 retrospective screening candidates (unverified). No external source attribution.

Read scientific report and measured graphs ↗

Automatic Pressure Alerts

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ACTUAL ARAS BMP390 MEASUREMENTS · 5–6 NOV 2026

First 23 Hours · Scientific Visual Report

839,869 real measurements · 23 h 19 min · net change −2.9508 hPa · 37 unverified retrospective candidates. No confirmed external event.

23-hour measured pressure trend
Measured pressure trend
Measured short-period pressure deviations
Short-period deviations · unverified
Measured pressure spectrogram
Pressure time–frequency analysis

Open complete illustrated scientific report (6 figures) ↗

MEASURED DATA / COMPLETED SESSIONS

Observation archive

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Completed sessions selected for publication. Each record includes measured plots, UTC metadata and the original CSV.

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