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6-hourly Rain Watch
Friday 20/4/2018, 0900 EST: OCF forecasts, Daily Weather Summaries, Daily Climatic Data, and 3-hourly detailed synoptic reports are available, but may be delayed. All other parts of the site are running normally except some real-time data products.

These charts show forecasts from the US Global Forecasting System (GFS) prepared by Wetterzentrale and two Bureau of Meteorology models. They break down rainfall forecasts into 6- or 3-hourly time-steps and allow comparison across three major models. The US and ACCESS-Global models are shown in 6-hourly time-steps. The higher resolution ACCESS-Regional charts show 3-hourly time-steps.

IMPORTANT! The charts are presented side-by-side to make it easier to see variations between models in the forecast amount, distribution and timing of rainfall. I have tried to align charts so they cover the same periods, but at some times of day they will be misaligned because of different update times. Look for the magic word "VALID" in a corner of each chart to check for any misalignment.

The times and dates on all charts are UTC which is now .

Click on any chart to open a larger version in a new window.

Caution: The GFS charts, which come from Wetterzentrale, are sometimes plotting wrongly, giving some crazy patterns.

The models and their update times (in UTC or "z") are:

        Update times  
Model Time steps Border colour Model resolution 00z run 06z run 12z run 18z run Source

GFS

6 hourly

blue

~35km

~05z

~11z

~17z

~23z

Wetterzentrale's Top Karten

ACCESS Global

6 hourly

yellow

~80km

0610z

 

1810z

 

Bureau of Meteorology

ACCESS Regional

3-hourly

orange

~37.5km

0230z

0830z

1430z

2030z

Bureau of Meteorology

Useful links: More information on ACCESS or GFS. Bureau of Meteorology official 4-day weather maps. Bureau Water and the Land forecast rainfall maps. Bureau Interactive Weather and Wave Forecast Maps.

GFS model (6-hour rainfall and four images for each day)
Caution: These GFS charts, which come from Wetterzentrale, are sometimes plotting wrongly, giving some crazy patterns.
ACCESS Global model (6-hour rainfall and four images for each day) Access Regional model (3-hour rainfall and eight images for each day)
DAY 1 DAY 1 DAY 1
DAY 2 DAY 2 DAY 2
DAY 3 DAY 3 DAY 3
DAY 4 DAY 4  
 
DAY 5 DAY 5  
 
DAY 6 DAY 6  
 
DAY 7 DAY 7