Today, the OPC website will be unavailable beginning at 0700 EDT/1100 UTC for approximately 30 min. Please refresh your browser or navigate to after the maintenance window to see the upgraded version of OPC's website.
This is a non-operational test website. For official OPC information and forecasts, please refer to the operational OPC website:

Graphical Forecast Verification

Step 1: Select the Charts:   Display the   With the  Hour Forecast   

Step 2: Select the Times*:  Atlantic Surface Analysis Valid:          48 Hour Forecast Valid: 
Step 3: Choose the Resolution:   Standard Large XL
Step 4:
Displaying the Atlantic Surface Analysis Valid: 00Z Jan 01 1970analysis image Displaying the 48 Hour Forecast Valid: 00Z Jan 03 1970forecast image

*NOTE: Ensure the valid times on the charts match each other. Either the 48-hour or 96-hour forecasts can be verified by using the drop down menu to select a similar valid date and time.