Delays Expected at Seattle Tacoma International (SEA) on February 17, 2019

Delays are expected at Seattle Tacoma International (SEA) today.

Low Probability of Delays Between 6:00 AM on 2/17 and 11:00 AM on 2/17

During this time period the airport expects to experience rain in the forecast which will cause a low likelihood that flights will experience delays.

Here is a look at what the forecast conditions are and what is required for normal operation:

Normal Forecast
Conditions None Rain

Visibility Greater than 2 10
Wind Less than 11.8 MPH 4.7 MPH
Clouds Higher than 1,000 Overcast at 1,200

Depending on the severity of the rain this may have no impact on your flight. Light rain is typically OK to take off and land through, but heavier rain may be something that your pilot decides to wait out on the ground.

High Probability of Delays Between 11:00 AM on 2/17 and 4:00 PM on 2/17

During this time period the airport expects to experience low clouds which will cause a high likelihood that flights will experience delays.

Here is a look at what the forecast conditions are and what is required for normal operation:

Normal Forecast
Conditions None None
Visibility Greater than 2 10
Wind Less than 11.8 MPH 4.7 MPH
Clouds Higher than 1,000 Overcast at 400

While the weather conditions should be good enough to land aircraft the low visibility caused by these weather conditions will probably require ATC to slow down the flow of traffic to ensure that aircraft arrive safely.

Medium Probability of Delays Between 4:00 PM on 2/17 AND 6:00 PM on 2/17

During this time period the airport expects to experience low clouds which will cause a medium likelihood that flights will experience delays.

Here is a look at what the forecast conditions are and what is required for normal operation:

Normal Forecast
Conditions None None
Visibility Greater than 2 10
Wind Less than 11.8 MPH 0.0 MPH
Clouds Higher than 1,000 Overcast at 800

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