Today's Forecast
Graphing Temperature Data

data | hook | main | background & resources | student

Database
South Pole Weekly Climatological Summary, 23 - 29 March 2001

23 March 2001 through 29 March 2001 UTC

Temperatures:
Avg Temp...-54.6(C)/-66.3(F)
Max Temp...-39.2(C)/-38.6(F) on day 25
Min Temp...-65.6(C)/-86.1(F) on day 23

Sky Cover:
Avg Sky Cover (8ths)... 3
Days clear............. 4
Days partly cloudy..... 2
Days cloudy............ 1

Sunshine: Sunrise on 22 September 2001
Avg hours/day.......... 0.0
Percent of possible. .. 0

Station Pressure (millibars):
Avg pressure........ 683.1 mb
Highest pressure.... 693.5 mb on day 25
Lowest pressure..... 671.8 mb on day 29

Physio-altitude in feet and meters:
Average physio-alt = 10512 ft/ 3204 m
Highest physio-alt = 10939 ft/ 3334 m on day 29
Lowest physio-alt = 10123 ft/ 3085 m on day 25

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

Wind:
Avg wind speed............. 13.2 mph or 11.5 kts
Max gust................... 36 mph or 31 kts on day 28
Max gust direction......... from Grid Northeast
Vectored wind direction.... 072 degrees
Vectored wind speed........ 9.2 kts
Prevailing direction....... Grid East

Balloon flight data:
Number of soundings for the period.. 7
Avg hgt of soundings................ 39.7 mb, or 23760 meters
Highest sounding.................... 14.0 mb, or 27878 meters on day 26/00Z flight.

0 soundings were missed.
4 soundings were terminated due to balloon burst.
3 soundings were terminated due to flight equipment failure.

RECORDS
Day 28 - The daily peak wind speed of 31 kts / 36 mph broke the previous daily record of 29 kts / 33 mph set in 1988.

South Pole Weekly Climatological Summary, 20 - 26 April 2001

20 April 2001 through 26 April 2001 UTC

Temperatures:
Avg Temp...-60.4(C)/-76.7(F)
Max Temp...-50.4(C)/-58.7(F) on day 23
Min Temp...-68.7(C)/-91.7(F) on day 24

Sky Cover:
Avg Sky Cover (8ths)... 3
Days clear............. 5
Days partly cloudy..... 2
Days cloudy............ 0

Sunshine: Sunrise on 22 September 2001
Avg hours/day......... 0.0
Percent of possible... 0

Station Pressure (millibars):
Avg pressure........ 676.0 mb
Highest pressure.... 686.4 mb on day 25
Lowest pressure..... 665.5 mb on day 20

Physio-altitude in feet and meters:
Average physio-alt = 10779 ft/ 3285 m
Highest physio-alt = 11180 ft/ 3408 m on day 20
Lowest physio-alt = 10388 ft/ 3166 m on day 25

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

Wind:
Avg wind speed............ 12.8 mph or 11.1 kts
Max gust.................. 30 mph or 26 kts on day 22
Max gust direction........ from Grid Northeast
Vectored wind direction... 042 degrees
Vectored wind speed....... 9.0 kts
Prevailing direction...... Grid Northeast

Balloon flight data:
Number of soundings for the period... 13
Avg hgt of soundings................. 78.2 mb, or 16649 meters
Highest sounding..................... 49.2 mb, or 19336 meters on day 20/00Z flight.

0 soundings were missed.
12 soundings were terminated due to balloon burst.
1 sounding was terminated due to flight equipment failure.

RECORDS Day 22 - The peak gust of 26 kts / 30 mph from 030 tied the previous daily record set in 1961.

South Pole Weekly Climatological Summary, 25-31 May 2001

25 May 2001 through 31 May 2001 UTC

Temperatures:
Average Temp...-50.7(C)/-59.3(F)
Maximum Temp...-40.3(C)/-40.5(F) on day 26
Minimum Temp...-63.2(C)/-81.8(F) on day 31

Sky Cover:
Average Sky Cover (8ths)... 3
Days clear................. 4
Days partly cloudy......... 1
Days cloudy................ 2

Sunshine: Sunrise on 22 September 2001
Average hours/day......... 0.0
Percent of possible....... 0

Station Pressure (millibars):
Average pressure........ 678.3 mb
Highest pressure........ 682.9 mb on day 25
Lowest pressure......... 675.0 mb on day 25

Physio-altitude in feet and meters:
Average physio-alt = 10692 ft/ 3259 m
Highest physio-alt = 10817 ft/ 3297 m on day 25
Lowest physio-alt = 10519 ft/ 3206 m on day 25

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

Wind:
Average wind speed............ 17.7 mph or 15.3 kts
Maximum gust.................. 44 mph or 38 kts on day 25
Maximum gust direction........ from Grid North
Vectored wind direction....... 015 degrees
Vectored wind speed........... 14.3 kts
Prevailing direction.......... Grid Northeast

Balloon flight data:
Number of soundings for the period... 6
Average hgt of soundings............. 122.1 mb, or 14295 meters
Highest sounding..................... 45.2 mb, or 19558 meters on day 28/00Z flight.

1 sounding was missed.
5 soundings were terminated due to balloon burst.
1 sounding was terminated due to ground equipment failure.

RECORDS
Day 25
- The daily average wind speed of 25.1 kts / 28.9 mph broke the previous daily record of 21.4 kts / 24.6 mph set in 1994.
- The daily peak wind speed of 38 kts / 44 mph broke the previous daily record of 36 kts / 41 mph set in 2000.

We look forward to hearing from you! Please review this activity.

Return to top of page

Back to: TEA Activities Page

data | hook | main | background & resources | student