0000 UTC GFS 500mb Height/Anomaly Forecasts
5-Day Means Centered on Days 3, 5, and 8
7-Day Mean Centered on Day 11
This data is provided by the
Climate Prediction Center.
Each forecast is valid the specified number of days after the initialization
of the most recent GFS run at 0000 UTC (7 PM EST). These maps are updated daily,
normally by 1500 UTC (10 AM EST).