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27 September, 2001

Weekly Climate Summary - South Pole Station, Antarctica

21 September 2001 through 27 September 2001 UTC

Temperature:

Average Temp... -56.8C / -70.2F

Maximum Temp... -44.2C / -47.6F on day 23

Minimum Temp... -69.5C / -93.1F on day 26

Wind:

Average wind speed.......... 12.6 mph or 10.9 knots

Prevailing wind direction... Grid North

Maximum wind speed.......... 29 mph or 25 knots on day 23

Maximum wind direction...... Grid North

Average vectored wind....... 023 degrees at 9.6 knots

Station Pressure:

Average pressure... 675.5 mbs

Highest pressure... 680.5 mbs on day 22

Lowest pressure.... 670.3 mbs on day 26

Physio-altitude:

Average physio-alt = 10798 ft/ 3291 m

Highest physio-alt = 10996 ft/ 3352 m on day 26

Lowest physio-alt = 10609 ft/ 3234 m on day 22

Sky Cover:

Average cloud cover (8ths)... 5

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

Days partly cloudy........... 2

Days cloudy.................. 3

Sunshine:

Sunset on 22 March 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.......... 166.5 mbs, or 15051 meters Highest sounding..................... 11.8 mbs, or 26476 meters

on day 24/00Z 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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