Heatwave signals in this summer's coastal data

Running a quick check on NOAA OISST and NDBC buoys, I’m seeing weekly SST anomalies over 2°C off Cape Hatteras for three straight weeks in July 2025; has anyone validated this with nearshore loggers or observed knock-on effects like low DO or HABs? I pulled it via ERDDAP and can share the query, but I’m more interested in which indicators you’re using to triage local adaptation actions right now.

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Seeing similar: our Jennette’s Pier sonde logged pre‑dawn DO about [redacted]/L with a small chl‑a bump during your “weekly SST anomalies over 2°C” window; we triage on ΔT(surface–bottom)>2°C for 48–72 h plus DO% sat <70% to trigger HAB/low‑DO checks. If you’ve got a nearshore mooring inside 10 m, did bottom temps stay stratified overnight?

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Interesting findings with the SST anomalies! Did you notice if those low DO levels coincided with any significant weather changes around that time? :ocean:.

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I noticed similar patterns near Virginia Beach too; low DO seemed linked to those heat spikes. Have you been able to tie any specific local events to the drop in oxygen?

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