26 February 2013 - Weather

SOUTH POLE ANTARCTICA WEATHER

Weekly Weather from Amundsen-Scott South Pole Station

South Pole Temperature:
Average temp... -45.2°C / -49.4°F
Maximum temp... -35.1°C / -31.2°F on day 21
Minimum temp... -52.0°C / -61.6°F on day 19

South pole Wind:
Average wind speed.......... 11.6 mph or 10.1 knots
Prevailing wind direction... Grid East
Maximum wind speed.......... 31 mph or 27 knots on day 21
Maximum wind direction...... Grid Northwest
Average vectored wind....... 056 degrees at 5.6 knots

Station Pressure:
Average pressure... 682.5 mb
Highest pressure... 688.2 mb on day 20
Lowest pressure.... 676.2 mb on day 17

Physio-altitude:
Average physio-alt = 10534 ft/ 3211 m
Highest physio-alt = 10772 ft/ 3283 m on day 17
Lowest physio-alt= 10320 ft/ 3146 m on day 20

Sky Cover:
Average cloud cover (8ths)... 4
Days clear................... 3
Days partly cloudy........... 2
Days cloudy.................. 2

Sunshine:
Sunset on 22 March 2013
Average hours per day... 17.5
Percent of possible..... 73

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

Balloon flight data:
Number of soundings for the week..... 14
Average height of soundings.......... 20.7 mb, or 26520 meters
Highest sounding..................... 8.8 mb, or 32215 meterson day 21/00Z flight
0 soundings were missed.

**RECORDS**
February 19th: The temperature of -52.0°C/-61.6°F broke the previous minimum temperature record of -51.6°C/-60.9°F set in 1997.

18 February 2013 - Weather

SOUTH POLE ANTARCTICA WEATHER

Weekly Weather from Amundsen-Scott South Pole Station

South Pole Temperature:
Average temp... -45.5°C / -49.9°F
Maximum temp... -40.9°C / -41.6°F on day 15
Minimum temp... -49.0°C / -56.2°F on day 14

South pole Wind:
Average wind speed.......... 8.5 mph or 7.4 knots
Prevailing wind direction... Grid East
Maximum wind speed.......... 21 mph or 18 knots on day 14
Maximum wind direction...... Grid Northeast
Average vectored wind....... 069 degrees at 7.2 knots

Station Pressure:
Average pressure... 679.3 mb
Highest pressure... 684.7 mb on day 14
Lowest pressure.... 674.9 mb on day 10

Physio-altitude:
Average physio-alt = 10655 ft/ 3248 m
Highest physio-alt = 10821 ft/ 3298 m on day 10
Lowest physio-alt= 10451 ft/ 3186 m on day 14

Sky Cover:
Average cloud cover (8ths)... 4
Days clear................... 0
Days partly cloudy........... 6
Days cloudy.................. 1

Sunshine:
Sunset on 22 March 2013
Average hours per day... 24.0
Percent of possible..... 100

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

Balloon flight data:
Number of soundings for the week..... 14
Average height of soundings.......... 22.9 mb, or 25879 meters
Highest sounding..................... 16.5 mb, or 27984 meterson day 10/00Z flight
0 soundings were missed.

**RECORDS**
No records were tied or broken this week.

11 February 2013 - Weather

SOUTH POLE ANTARCTICA WEATHER

Weekly Weather from Amundsen-Scott South Pole Station

South Pole Temperature:
Average temp... -40.1°C / -40.2°F
Maximum temp... -32.6°C / -26.7°F on day 2
Minimum temp... -44.3°C / -47.7°F on day 8

South Pole Wind:
Average wind speed.......... 7.2 mph or 6.3 knots
Prevailing wind direction... Grid East
Maximum wind speed.......... 20 mph or 17 knots on day 7
Maximum wind direction...... Grid East
Average vectored wind....... 069 degrees at 5.3 knots

Station Pressure:
Average pressure... 674.9 mb
Highest pressure... 679.3 mb on day 2
Lowest pressure.... 672.2 mb on day 7

Physio-altitude:
Average physio-alt = 10821 ft/ 3298 m
Highest physio-alt = 10924 ft/ 3330 m on day 7
Lowest physio-alt= 10655 ft/ 3248 m on day 2

Sky Cover:
Average cloud cover (8ths)... 5
Days clear................... 0
Days partly cloudy........... 7
Days cloudy.................. 0

Sunshine:
Sunset on 22 March 2013
Average hours per day... 23.0
Percent of possible..... 96

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

Balloon flight data:
Number of soundings for the week..... 14
Average height of soundings.......... 19.8 mb, or 27400 meters
Highest sounding..................... 3.4 mb, or 39611 meters on day 07/00Z flight
0 soundings were missed.

**RECORDS**
No records were tied or broken this week.

4 February 2013 - Weather

SOUTH POLE
WEEKLY WEATHER SUMMARY
Jan 26 - Feb 1, 2013, South Pole Station, Antarctica

Temperature:
Average temp... -29.3°C / -20.7°F
Maximum temp... -20.8°C / -5.4°F on day 29
Minimum temp... -34.1°C / -29.4°F on day 1

Wind:
Average wind speed.......... 9.3 mph or 8.0 knots
Prevailing wind direction... Grid East
Maximum wind speed.......... 22 mph or 19 knots on day 29
Maximum wind direction...... Grid East
Average vectored wind....... 096 degrees at 7.1 knots

Station Pressure:
Average pressure... 686.2 mb
Highest pressure... 691.7 mb on day 26
Lowest pressure.... 678.8 mb on day 1

Physio-altitude:
Average physio-alt = 10394 ft/ 3168 m
Highest physio-alt = 10673 ft/ 3253 m on day 1
Lowest physio-alt= 10191 ft/ 3106 m on day 26

Sky Cover:
Average cloud cover (8ths)... 3
Days clear................... 3
Days partly cloudy........... 4
Days cloudy.................. 0

Sunshine:
Sunset on 22 March 2013
Average hours per day... 20.7
Percent of possible..... 86

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

Balloon flight data:
Number of soundings for the week..... 14
Average height of soundings.......... 21.1 mb, or 26653 meters
Highest sounding..................... 17.0 mb, or 27997 meterson day 01/00Z flight
0 soundings were missed.

**RECORDS**