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Jan Dutton Profile
Jan Dutton

@jfd118

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Climate services helping commodity traders who leverage probabilities to trade profitably. https://t.co/oIis6fUWXB https://t.co/he8pXtknaX

Virginia
Joined January 2009
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@WorldClimateSvc
World Climate Service
5 days
Daily Niño3.4 SST anomaly: 0.00 The transition is under way. However, the relative index (rNiño3.4) still has some distance to go before reaching neutral.
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@CropProphet
CropProphet
15 days
Recent market commentary framed excessive rain as a key issue for Brazil soybeans. Our production-weighted analysis suggests a different broader picture. Using the Point-in-Time Weather Forecast API, the attached animation shows Brazil soybean production-weighted cumulative
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@CropProphet
CropProphet
17 days
We will be at the @NGFA 130th annual convention on March 22-24 in Nashville, TN! Stop by Booth #105 and meet Joshua Nagelberg to see how your team can block out the “noise” of social media speculation about yield and focus on objective weather analytics. We’ll be demonstrating
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@HTSCommodities
HTS Commodities
21 days
@CropProphet This is a really great post.
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@CropProphet
CropProphet
25 days
This DJF ranks as the driest on record across US winter wheat growing areas. This analysis answers the question: How does DJF precipitation for US winter wheat impact final winter wheat yield? The attached visualization compares US winter wheat percent yield deviation from trend
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@CropProphet
CropProphet
30 days
There’s growing attention on what a transition from La Niña toward El Niño could mean for Argentina’s rainfall heading into late summer and early autumn. Using the @WorldClimateSvc seasonal index analog tool shown in the attached graphic, we looked at past years in January-March
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@WorldClimateSvc
World Climate Service
1 month
Google's WeatherNext2 model is well ahead of not only ECMWF IFS but also AIFS-ENS. Extremely impressive medium-range performance in 2025 realtime forecasts. Available for experimental inter-model comparison on our platform now.
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@jfd118
Jan Dutton
2 months
I’m in State College now. It’s definitely cold.
@WorldClimateSvc
World Climate Service
2 months
State College, Pennsylvania - home of @WorldClimateSvc and @psumeteo - is on its 7th straight day with a maximum temperature below 18°F (-8°C). This hasn't happened since 1918. The record is 8 days, which may be tied tomorrow.
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@WorldClimateSvc
World Climate Service
3 months
Watch the high latitudes adjust as the EC46 gets to grips with the magnitude of the tropical Pacific forcing this month.
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@jfd118
Jan Dutton
4 months
@BeyCohen @WorldClimateSvc We appreciate your advice. The subscription model kicked in when Prescient Weather was started in 2009. Since that time, we've steadily grown the World Climate Service (our product) user base amongst meteorologists on commodity trading desks around the world.
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@CropProphet
CropProphet
4 months
How have the Monitor de Secas classifications evolved from September to the October release? There has been an expansion of drought conditions in eastern and southeastern Brazil since the September release. #oatt #AgWx #AgWeather #Brazil #Drought
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@CropProphet
CropProphet
4 months
The abnormally to extremely dry conditions across eastern Brazil have resulted in slower-than-normal soybean planting progress. Analyze the impact of weather on grains using CropProphet: https://t.co/YZxWXm4gLM #oatt #AgWX #AgWeather #Soybeans #Brazil
@CropProphet
CropProphet
4 months
Looking at the Monitor de Secas levels for Brazil in Sept, eastern Brazil has been abnormally to extremely dry. Analyzing precip totals over the last 60 days, Brazil soybean growing regions have only seen 77% of normal precip. What do the wx fcsts show? ⬇️ #oatt #AgWx #Brazil
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@WorldClimateSvc
World Climate Service
5 months
For months the seasonal models have been calling for a weak Northern Hemisphere stratospheric polar vortex in early winter. With documented skill, this was a high-confidence forecast, and it's about to play out in the coming weeks. Hats off to the @CopernicusECMWF C3S project.
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@WorldClimateSvc
World Climate Service
5 months
The World Climate Service is exhibiting at Energy Trading Week Americas, Oct 29–30 at the Royal Sonesta Houston Galleria. Secure your spot and learn how to win more weather-based trades by visiting our exhibition: https://t.co/Szuh0Rn4Y5 #EnergyTradingWeek #EnergyTrading
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@WorldClimateSvc
World Climate Service
5 months
Like the trees, the U.S. Drought Monitor is getting increasingly "colorful" in the east and south. Seasonal models expect dryness to persist in the south and southeast - thanks to La Niña and the negative PDO regime.
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@CropProphet
CropProphet
7 months
First fall freeze dates (1981–2024 avg) show when frost risk potentially begins. 🌡️ 32°F: Early Sept in MT, WY, ND 🌡️ 30°F: About a week later 🌡️ 28°F: Mid-Sept across the Upper Midwest Now is the time to monitor frost risk. #oatt #AgWx #frost #AgWeather #WxRisk #AgWeather
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@WorldClimateSvc
World Climate Service
7 months
The September CanSIPS update is available, showing a fairly robust +NAO pattern for winter. The change (to a more positive NAO) from last month's forecast is substantial for Jan-Feb, as we might expect with a stronger La Niña signal emerging recently.
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@CropProphet
CropProphet
7 months
The US Grain Market Forecast of the Forecast "verification" is posted at https://t.co/XBm2DXINJ8. The 1-7 day temperature and precipitation forecasts worked out well for those who watched Friday's FoF.
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@CropProphet
CropProphet
9 months
@ArlanFF101 We'll probably show the full graphic in our July US Grain Weather Webinar:
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@jfd118
Jan Dutton
9 months
Through 45 votes, it's interesting to see how little the GEFS is used. And that the AIFS-ENS is already more used than GEFS.
@CropProphet
CropProphet
9 months
What forecast model are you using to forecast the weather?
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