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8 November, 2001

Weekly Climate Summary - South Pole Station, Antarctica

02 November 2001 through 08 November 2001 UTC

Temperature:

Average temp... -33.0C /-27.4F

Maximum temp... -22.6C /-8.7F on day 7

Minimum temp... -40.0C /-40.0F on day 3

Wind:

Average wind speed.......... 14.4 mph or 12.5 knots

Prevailing wind direction... Grid Northwest

Maximum wind speed.......... 31 mph or 27 knots on day 6

Maximum wind direction...... Grid Northwest

Average vectored wind....... 335 degrees at 9.3 knots

Station Pressure:

Average pressure... 683.9 mbs

Highest pressure... 691.3 mbs on day 8

Lowest pressure.... 677.8 mbs on day 5

Physio-altitude:

Average physio-alt = 10481 ft/ 3195 m

Highest physio-alt = 10711 ft/ 3265 m on day 5

Lowest physio-alt = 10205 ft/ 3110 m on day 8

Sky Cover:

Average cloud cover (8ths)... 8

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

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

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

Sunshine:

Sunset on 22 March 2002

Average hours per day... 6.0

Percent of possible..... 25

Visibility:

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

Balloon flight data:

Number of soundings for the week..... 14

Average height of soundings.......... 19.3 mb, or 29451 meters Highest sounding..................... 4.0 mb, or 36917 meters

on day 03/00Z flight

0 Soundings were missed.

14 Soundings were terminated due to balloon burst.

**RECORDS**

Day 2 - The maximum temperature of -30.1C/-22.2F broke the previous daily record high of

-30.5C/-22.9F set in 1982.

Day 4 - The maximum temperature of -30.1C/-22.2F broke the previous daily record high of

-32.6C/-26.7F set in 1999.

Day 7 - The maximum temperature of -22.6C/-8.7F broke the previous daily record high of

-28.6C/-19.5F set in 1997.

Day 8 - The maximum temperature of -30.8C/-23.4F broke the previous daily record high of

-32.2C/-26.0F set in 1978.

Katie Wallet

Supervisor of Science

Spotsylvania County Schools


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