Argentina wheat: yield nowcast
Sown May to July, harvested in December: the Pampas crop runs on its own calendar. Six provinces of weather, national yield from USDA PSD, benchmarked against USDA's WASDE.
Explore
Every forecast, season by season
Pick a harvest year, a forecast date and a region. Everything updates: the forecast with its 80% interval, how the view moved through the season, and how this forecast date has scored over all seasons.
From orbit NOAA satellites
The crop, seen from space
Weekly vegetation health over the wheat area, 4 km pixels masked to wheat fields. Shown for context: the nowcast for this origin does not rely on them (here they did not add accuracy). All origins on the satellite page →
This season against every season since 2000
VHI combines greenness (VCI) and heat stress (TCI); below 40 the crop is under stress.
Every season, week by week
Red: stress. Blue: healthy canopy.
Does the satellite see the yield?
Correlation r = 0.62 over 15 seasons.
Benchmark
Against USDA's WASDE
In September the nowcast was closer than the WASDE in 9 of 15 years (15.6% vs 18.9% RMSE). By December, with harvest results in, USDA is ahead (10.8% vs 16.0%).
Error by WASDE month
% of the final USDA PSD figure.
August forecasts, year by year
Below zero: the forecast was under the final crop.