Scientists say weak and wobbly polar vortex to blame for cold extremes 3 October 2017

Scientists say weak and wobbly polar vortex to blame for cold extremes

New research, funded by CPO's Modeling, Analysis, Predictions, and Projections (MAPP) program, shows that the polar vortex has shifted towards more frequent weak states and fewer strong states over the past few decades, with subsequent cold extremes seen during Eurasian winters. 

NOAA Research leads to a new milestone in improving operational predictions from weeks to seasons 27 September 2017

NOAA Research leads to a new milestone in improving operational predictions from weeks to seasons

As an important milestone for NOAA’s ongoing efforts, researchers from universities, NOAA OAR research laboratories and the National Weather Service (NWS) recently met to discuss efforts to improve S2S predictions.

UPDATE: FY18 MAPP Program competitions deadline postponed 15 September 2017

UPDATE: FY18 MAPP Program competitions deadline postponed

The new deadline for full applications is 5:00 p.m. Eastern Time, September 25, 2017

In view of the disruptions associated with hurricane Irma, the deadline for full applications to all FY18 MAPP Program competitions has been postponed to 5:00 p.m. Eastern Time, September 25, 2017.

State-of-the-art seasonal prediction research published in new special collection 8 September 2017

State-of-the-art seasonal prediction research published in new special collection

A special issue on the interagency North American Multi-model Ensemble, a seasonal prediction system combining forecasts from the leading North American climate models, is now available. The papers in this special issue document a variety of different research uses of the NMME system database, which includes a 30-year set of hindcasts as well as real-time forecasts.  

Scientists meet to improve predictions from weeks to seasons 7 September 2017

Scientists meet to improve predictions from weeks to seasons

Bridging the gap between short-term weather and long-term climate predictions has remained challenging for scientists, but public demand and promising research has focused NOAA's attention on this prediction problem. In an effort to further progress, researchers from universities, NOAA and other labs and centers will meet to highlight recent efforts to develop skillful predictions for the subseasonal to seasonal timescale. 

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