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11 September, 2001

Weekly Climate Summary - South Pole Station, Antarctica

31 August 2001 through 06 September 2001 UTC

Temperature:

Average Temp... -63.7C / -82.7F

Maximum Temp... -52.9C / -63.2F on day 6

Minimum Temp... -73.5C / -100.3F on day 31

Wind:

Average wind speed.......... 13.1 mph or 11.4 knots

Prevailing wind direction... Grid East

Maximum wind speed.......... 25 mph or 22 knots on day 2

Maximum wind direction...... Grid Northeast

Average vectored wind....... 076 degrees at 8.8 knots

Station Pressure:

Average pressure... 676.8 mbs

Highest pressure... 687.0 mbs on day 2

Lowest pressure.... 666.4 mbs on day 4

Physio-altitude:

Average physio-alt = 10749 ft/ 3276 m

Highest physio-alt = 11145 ft/ 3397 m on day 4

Lowest physio-alt = 10365 ft/ 3159 m on day 2

Sky Cover:

Average cloud cover (8ths)... 3

Days clear................... 2

Days partly cloudy........... 4

Days cloudy.................. 1

Sunshine:

Sunrise on 22 September 2001

Average hours per day... 0.0

Percent of possible..... 0

Visibility:

0 days with visibility of 1/4 mile or less.

Balloon flight data:

Number of soundings for the week..... 7

Average height of soundings.......... 157.4 mb, or 14154 meters Highest sounding..................... 8.8 mb, or 27944 meters

on day 04/00Z flight

0 soundings were missed.

7 soundings were terminated due to balloon burst.

**RECORDS**

No records were tied or broken during the week.

Katie Wallet

Supervisor of Science

Spotsylvania County Schools


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