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20 September, 2001

Weekly Climate Summary - South Pole Station, Antarctica

14 September 2001 through 20 September 2001 UTC

Temperature:

Average Temp... -58.7C / -73.7F

Maximum Temp... -46.3C / -51.3F on day 15

Minimum Temp... -69.9C / -93.8F on day 20

Wind:

Average wind speed.......... 7.4 mph or 6.5 knots

Prevailing wind direction... Grid Northeast

Maximum wind speed.......... 24 mph or 21 knots on day 14

Maximum wind direction...... Grid North

Average vectored wind....... 075 degrees at 4.8 knots

Station Pressure:

Average pressure... 679.2 mbs

Highest pressure... 698.8 mbs on day 14

Lowest pressure.... 669.9 mbs on day 18

Physio-altitude:

Average physio-alt = 10658 ft/ 3249 m

Highest physio-alt = 11012 ft/ 3356 m on day 18

Lowest physio-alt = 9927 ft/ 3026 m on day 14

Sky Cover:

Average cloud cover (8ths)... 5

Days clear................... 0

Days partly cloudy........... 7

Days cloudy.................. 0

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.......... 110.0 mb, or 16653 meters Highest sounding..................... 9.6 mb, or 27616 meters

on day 18/00Z 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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