Weather Condition Classification
The weather in Antarctica can be highly variable, and the weather conditions can often change dramatically in short periods of time. There are three classifications for describing weather conditions in Antarctica. At least one of the following criteria must be met for each category.
- Condition 1
- Windspeed over 55 knots (60 miles per hour)
- Visibility less than 100 feet (30 meters)
- Wind chill below −100 °F (−73 °C)
- Description: Dangerous conditions; outside travel is not permitted.
- Condition 2
- Windspeed of 48 to 55 knots (55 to 63 miles per hour)
- Visibility 1/4 of a mile to 100 feet (402 to 30 meters)
- Wind chill of −75 °F (−60 °C) to −100 °F (−73 °C)
- Description: Unpleasant conditions; outside travel is permitted but not recommended.
- Condition 3
- Windspeed below 48 knots (55 miles per hour)
- Visibility greater than 1/4 of a mile (402 meters)
- Wind chill above −75 °F (−60 °C)
- Description: Pleasant conditions; all outside travel is permitted.
Famous quotes containing the words weather and/or condition:
“This is the weather the cuckoo likes,
And so do I;
When showers betumble the chestnut spikes,
And nestlings fly:”
—Thomas Hardy (18401928)
“What is to be done with people who cant read a Sunday paper without messing it all up?... Show me a Sunday paper which has been left in a condition fit only for kite flying, and I will show you an antisocial and dangerous character who has left it that way.”
—Robert Benchley (18891945)