Forensic Satellite Analysis · 2026-05-04

palm_oil_plantation_andhara

andhara · Palm Oil · 249 Sentinel-2 scenes · 5 years of historical data
none — current period cloud-blocked, no anomaly detectable — Low confidence
16.8250°N · 81.1143°E · Generated 2026-05-04 16:48 UTC
Sentinel-2 L2A · ESA Copernicus
VIGIL AI Analysis
Severity
NORMAL
Anomaly: No
Latest NDVI
Baseline: 0.432 ( drop)
Flagged Weeks
0
Consecutive anomaly periods
Confidence
Low
None — Current Period Cloud-Blocked, No Anomaly Detectable
Satellite Analysis Summary

What the data shows

The current monitoring period for palm_oil_plantation_andhara is entirely cloud-blocked, with 0% of the current season's weeks yielding usable satellite data. No NDVI, EVI, or NDRE readings are available for the past 12 weeks, making it impossible to confirm or rule out active stress conditions. The anomaly status is reported as normal by default, not by observation.

Historical analysis of 249 scenes over 5 years establishes a stable baseline NDVI of 0.4318 for this plantation. The seasonal pattern shows a consistent peak in mid-October (0.5052) and a trough in late December (0.4066), with no evidence of long-term canopy decline across the 5-year record. The plantation, established January 2021, is approximately 6 years old and should be at or near peak productive maturity, though the baseline average of 0.43 is modestly below expectations for mature oil palm and warrants scrutiny once data resumes.

When satellite coverage resumes — expected late January 2027 following northeast monsoon withdrawal — the priority flags to watch are: NDVI more than 0.10 below the seasonal baseline (potential Ganoderma basal stem rot), failure of NDVI to rise to the expected 0.50 peak during September-October (waterlogging or nutrient stress), and spatially patchy NDRE decline without corresponding NDVI collapse (early chlorophyll loss from nitrogen deficiency or fungal leaf disease).

Owner Message (WhatsApp ready)

Hi Harshit, your farm's satellite monitoring is currently blocked by cloud cover and we have no new readings for the past 12 weeks — this is normal for this time of year in Andhra. The good news is your 5-year data shows a healthy and stable pattern with no long-term decline. We expect clear satellite images by late January 2027 and will send you a full update as soon as they are processed. In the meantime, it is worth doing a quick walk of your plantation to check for any signs of disease or stress at the base of your palms.

Satellite Indices

Vegetation index trajectories

Orange = target season · Dashed = 5-year baseline · Grey = cloud blackout

NDVI — Primary Vegetation Health
NDVI — Primary Vegetation Health
Key indicator. Drops below baseline signal stress.
EVI — Active Photosynthesis
EVI — Active Photosynthesis
Sensitive to canopy structure. Drops before NDVI in crown damage.
NDRE — Chlorophyll & Nitrogen
NDRE — Chlorophyll & Nitrogen
Drops before NDVI in nutrient deficiency and root stress.
Composite Stress Signal
Composite Stress Signal
Weighted combination of all three indices normalised against baseline.
Spatial Analysis

Where in the field is the stress?

NDVI Anomaly Map
NDVI Anomaly Map
Red = below baseline · Green = above baseline · Each pixel = 20m × 20m
Recommended Actions

Response plan

Resume active monitoring as soon as the next clear Sentinel-2 acquisition is processed — expected within 1-2 weeks given cloud blackout flag is currently inactive
Flag any NDVI reading below 0.33 during the upcoming January-February period as a critical alert requiring immediate field inspection
Conduct a ground-truth survey of the plantation now — check for Ganoderma conks at base of palms, yellowing fronds, or stunted rachis, particularly in any blocks showing historical underperformance
Record current field observations (frond colour, fruit bunch status, any visible disease signs) in the farm context notes to correlate against the next satellite read
Ensure irrigation and fertiliser schedules account for the late-December to January trough period, which historically corresponds to the plantation's lowest greenness phase
Sentinel-2 L2A · ESA Copernicus · VIGIL Earth · 5 years historical analysis · Generated 2026-05-04 16:48 UTC