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Inuit Culture on Thin Ice – The Alaska Climate Change Challenge

MOSAiC On Air – This Year’s First Airborne Campaigns Over the Central Arctic

This Year is Difficult to Predict

Tell it with a Comic – Live-drawing and Visual Storytelling at AAAS

MOSAiC School – The Importance of Being the Support

A Long Expedition Always Enriches Life

Falling in Love with the Polar Regions

Off You Go, Polarstern!

Where to Track the Sea Ice

Interview with Peter Bauer

"Ryanair doesn't fly to the Arctic yet"

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Past Meetings: 2020

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Issue Tracker

YOPP Issue Tracker

Issues due to data acquisition or transmission may appear during polar operations. Here, we report on known issues that in particular were noted during YOPP Special Observing Periods.

Please report any additional issues to office@polarprediction.net.

ECMWF

March 2019

Another outage of the Canadian buoys in the Arctic was noted on 2019-03-09 12UTC. Data transfer came back on 2019-03-12, and the missing data has been sent to the GTS.

August 2018

Data from buoys north of Canada were not ingested because BUFR codes were changed on 1 August 2018. ECMWF has retrieved the observational data from 1 to 17 August.

For radiosondes released near the pole (e.g., from Oden 2018 expedition), the v component of wind changes sign quickly which can cause problems. ECMWF takes into account the change in dropsonde position at 25 min intervals so these does not cause any problem in the operational analysis.

Use the following links to check yourself if certain data has been ingested:

Radiosonde (temperature): https://www.ecmwf.int/en/forecasts/charts/obstat/temp__hist_0001_plot_o_hist_temp?facets=Category,Conventional%20Data%3BParameter,Temperature&time=2018070500&Datatype=RADIOSONDES&Layer=0-400hPa&Area=North%20Polar

Radiosonde (wind): https://www.ecmwf.int/en/forecasts/charts/obstat/windspeed__hist_0001_plot_o_hist_windspeed?facets=Category,Conventional%20Data%3BParameter,Wind%20speed&time=2018070500&Datatype=RADIOSONDES&Layer=0-400hPa&Area=North%20Polar

Buoys (surface pressure): https://www.ecmwf.int/en/forecasts/charts/obstat/pressure_all__hist_0001_plot_o_hist_pressure_all?facets=Category,Conventional%20Data%3BParameter,Surface%20pressure&time=2018070500&Data%20type=Drifter%20buoys&Area=North%20Polar

News
PolarPredictNews

PPP and YOPP In the Media

YOPP Launch in the Media

About
Background

Implementation and Science Plans

Guiding Principles

Links

FAQs

Implementation

Organization
Polar Prediction Project Steering Group (PPP-SG)

International Coordination Office for Polar Prediction (ICO)

YOPP Task Teams

Key YOPP Activities
Special Observing Periods

Sea Ice Prediction and Verification

YOPPsiteMIP

YOPP Endorsement

Model Intercomparison and Improvement Project (MIIP)

Data
YOPP Data Portal

YOPP Explorer

YOPP Observations Layer

Issue Tracker

Data Sources & Portals

Outreach & Education
Getting involved with YOPP

Background Stories

Polar Prediction Matters

Infographics, Picture and Video Material

YOPP Launch

YOPP List of Experts

YOPP Presentation

Publications
Reports

Research Publications

YOPP Acknowledgement

Services
Operational Support

Polar Prediction Matters

Meetings, Workshops and Science Sessions
YOPP Final Summit

Past Meetings: 2020

Past Meetings: 2019

Past Meetings: 2018

Past Meetings: 2017

Past Meetings: 2016

Past Meetings: 2015

Past Meetings: 2014

Past Meetings: 2013

Past Meetings: 2012

Past Meetings: 2011

Past Meetings: 2010

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