25 March 2013 - Weather

SOUTH POLE ANTARCTICA WEATHER

Weather from Amundsen-Scott South Pole Station

Temperature:
Average temp... -55.1°C / -67.2°F
Maximum temp... -47.7°C / -53.9°F on day 19
Minimum temp... -60.0°C / -76.0°F on day 17

Wind:
Average wind speed.......... 9.5 mph or 8.2 knots
Prevailing wind direction... Grid Northeast
Maximum wind speed.......... 33 mph or 29 knots on day 19
Maximum wind direction...... Grid Southeast
Average vectored wind....... 082 degrees at 5.9 knots

Station Pressure:
Average pressure... 676.1 mb
Highest pressure... 682.1 mb on day 18
Lowest pressure.... 669.1 mb on day 20

Physio-altitude:
Average physio-alt = 10776 ft/ 3284 m
Highest physio-alt = 11042 ft/ 3366 m on day 20
Lowest physio-alt= 10549 ft/ 3215 m on day 18

Sky Cover:
Average cloud cover (8ths)... 5
Days clear................... 1
Days partly cloudy........... 5
Days cloudy.................. 1

Sunshine:
Sunset on 22 March 2013
Average hours per day... 6.6
Percent of possible..... 27

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.......... 22.4 mb, or 25713 meters
Highest sounding..................... 7.2 mb, or 32283 meterson day 21/00Z flight
0 soundings were missed.

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

19 March 2013 - Weather

SOUTH POLE ANTARCTICA WEATHER

Weather from Amundsen-Scott South Pole Station

Temperature:
Average temp... -46.3°C / -51.4°F
Maximum temp... -35.8°C / -32.4°F on day 10
Minimum temp... -57.1°C / -70.8°F on day 15

Wind:
Average wind speed.......... 12.2 mph or 10.6 knots
Prevailing wind direction... Grid East
Maximum wind speed.......... 31 mph or 27 knots on day 9 and 15
Maximum wind direction...... Grid Northwest and Southeast
Average vectored wind....... 051 degrees at 4.3 knots

Station Pressure:
Average pressure... 683.6 mb
Highest pressure... 686.7 mb on day 11 and 12
Lowest pressure.... 678.8 mb on day 15

Physio-altitude:
Average physio-alt = 10493 ft/ 3198 m
Highest physio-alt = 10674 ft/ 3253 m on day 15
Lowest physio-alt= 10377 ft/ 3163 m on day 11 and 12

Sky Cover:
Average cloud cover (8ths)... 6
Days clear................... 0
Days partly cloudy........... 5
Days cloudy.................. 2

Sunshine:
Sunset on 22 March 2013
Average hours per day... 8.7
Percent of possible..... 36

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.......... 21.8 mb, or 25760 meters
Highest sounding..................... 17.7 mb, or 26966 meterson day 11/00Z flight
0 soundings were missed.

**RECORDS**
Day 9: The peak wind speed of 27 knots/31 mph broke the previous record of 26 knots/30 mph set in 2010.
Day 10: The temperature of -35.8°C/-32.4°F tied the previous maximum temperature record set in 2010.
Day 15: The peak wind speed of 27 knots/31 mph broke the previous record of 25 knots/29 mph set in 2004.

15 March 2013 - Weather

SOUTH POLE ANTARCTICA WEATHER

Weather from Amundsen-Scott South Pole Station

Temperature:
Average temp... -50.0°C / -58.0°F
Maximum temp... -39.6°C / -39.3°F on day 6
Minimum temp... -56.1°C / -69.0°F on day 4

Wind:
Average wind speed.......... 10.9 mph or 9.4 knots
Prevailing wind direction... Grid East
Maximum wind speed.......... 24 mph or 21 knots on day 3
Maximum wind direction...... Grid East
Average vectored wind....... 064 degrees at 6.6 knots

Station Pressure:
Average pressure... 680.2 mb
Highest pressure... 684.6 mb on day 7
Lowest pressure.... 671.8 mb on day 5

Physio-altitude:
Average physio-alt = 10621 ft/ 3237 m
Highest physio-alt = 10939 ft/ 3334 m on day 5
Lowest physio-alt= 10455 ft/ 3187 m on day 7

Sky Cover:
Average cloud cover (8ths)... 6
Days clear................... 0
Days partly cloudy........... 4
Days cloudy.................. 3

Sunshine:
Sunset on 22 March 2013
Average hours per day... 10.0
Percent of possible..... 42

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

Balloon flight data:
Number of soundings for the week..... 13
Average height of soundings.......... 22.3 mb, or 25692 meters
Highest sounding..................... 15.0 mb, or 28088 meterson day 07/00Z flight
1 sounding was missed.

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

4 March 2013 - Weather

SOUTH POLE ANTARCTICA WEATHER

Weather from Amundsen-Scott South Pole Station

South Pole Temperature:
Average temp... -46.6°C / -51.9°F
Maximum temp... -43.0°C / -45.4°F on day 28
Minimum temp... -53.5°C / -64.3°F on day 27

South pole Wind:
Average wind speed.......... 11.2 mph or 9.7 knots
Prevailing wind direction... Grid Northeast
Maximum wind speed.......... 26 mph or 23 knots on day 27
Maximum wind direction...... Grid Northeast
Average vectored wind....... 052 degrees at 8.3 knots

Station Pressure:
Average pressure... 681.7 mb
Highest pressure... 687.0 mb on day 24
Lowest pressure.... 674.6 mb on day 26

Physio-altitude:
Average physio-alt = 10564 ft/ 3220 m
Highest physio-alt = 10833 ft/ 3302 m on day 26
Lowest physio-alt= 10365 ft/ 3159 m on day 24

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... 18.4
Percent of possible..... 77

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.......... 22.7 mb, or 25764 meters
Highest sounding..................... 18.2 mb, or 27080 meterson day 27/12Z fligh
0 soundings were missed.

**RECORDS**

No records were tied or broken this week.