El Nino Watch

NASA dataset freshness

Newest file time and lag of 11 NASA datasets behind our maps.

Forecasts and bulletins

Status key nasa_dataset_latency {checked_at, datasets: [{id, title, time_end, lag_h, late, why}]}.

Limits. Metadata only.

How to read it

lag_h = hours between the end of the newest data and the check. late = true when the lag exceeds the normal delay for that product.

Why it matters for Koh Samui

Explains a stale map: NASA itself may be behind.

Sources

ENSO status now

ONI (NOAA CPC)
+1.80 °C, JJA 2026 (previous +1.39 °C)
RONI (NOAA CPC)
+1.36 °C, JJA 2026
Nino 3.4 weekly (NOAA CPC / OISST)
+3.0 °C anomaly, week of 16 Sep 2026 (SST 29.6 °C)