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PEM West A Flights

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Flight 4 Flight 5 Flight 6 Flight 7 Flight 8 Flight 9 Flight 10 Flight 11 Flight 12 Flight 13 Flight 14 Flight 15 Flight 16 Flight 17 Flight 18 Flight 19 Flight 20 Flight 21 Flight Map
Select the flight number above to see the data plots for that flight.
Key: (na) = Not available.

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A summary of the PEM West A mission explains the reason for the mission, the methods used to gather data, and a synopsis of the results.
Results of PEM West A.
More maps for PEM West A are available containing airflow drawing and a chart of ground based measurement locations.

Flight #4

Purpose: Survey and ferry
Location: Ames to Anchorage
Date: Sept. 16, 1991
Plots:
  • 01 - Map and Time series plots of alt, temp, humidity, and theta
  • 02 - Time series plots of O3, CO2(na), Methane, N2O(na), and Benzene
  • 03 - Time series plots of NO, NOx(na), NOy, PAN, and Nitric Acid
  • 04 - Time series plots of Acetylene, Ethane, Propane, C2C14, and CH3CC13
  • 05 - Time series plots of SO2, DMS, Ethylene, H2O2, and CH3OOH
  • 06 - Altitude vs. Temp, Dewpoint, Ozone, CO, Methane (1715 and 1930 GMT)
  • 07 - Altitude vs. Temp, Dewpoint, Ozone, CO, Methane (2130 GMT)
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Flight #5

Purpose: Survey and ferry
Location: Anchorage to Yokota
Date: Sept. 17-18, 1991 (crossed international date line)
Plots:
  • 01 - Map and Time series plots of alt, temp, humidity, and theta
  • 02 - Time series plots of O3, CO2(na), Methane, N2O(na), and Benzene
  • 03 - Time series plots of NO, NOx(na), NOy, PAN, and Nitric Acid
  • 04 - Time series plots of Acetylene, Ethane, Propane, C2C14, and CH3CC13
  • 05 - Time series plots of SO2, DMS, Ethylene, H2O2, and CH3OOH
  • 06 - Altitude vs. Temp, Dewpoint, Ozone, CO, Methane (1900 and 2215 GMT)
  • 07 - Altitude vs. Temp, Dewpoint, Ozone, CO, Methane (0300 GMT)
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Flight #6

Purpose: Background marine air
Location: Yokota to Yokota
Date: Sept. 22, 1991
Plots:
  • 01 - Map and Time series plots of alt, temp, humidity, and theta
  • 02 - Time series plots of O3, CO2, Methane, N2O(na), and Benzene
  • 03 - Time series plots of NO, NOx, NOy, PAN, and Nitric Acid
  • 04 - Time series plots of Acetylene, Ethane, Propane, C2C14, and CH3CC13
  • 05 - Time series plots of SO2, DMS, Ethylene, H2O2, and CH3OOH
  • 06 - Altitude vs. Temp, Dewpoint, Ozone, CO, Methane (0415 and 0830 GMT)
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Flight #7

Purpose: Continental outflow
Location: Yokota to Yokota
Date: Sept. 24, 1991
Plots:
  • 01 - Map and Time series plots of alt, temp, humidity, and theta
  • 02 - Time series plots of O3, CO2, Methane, N2O, and Benzene
  • 03 - Time series plots of NO, NOx, NOy, PAN, and Nitric Acid
  • 04 - Time series plots of Acetylene, Ethane, Propane, C2C14, and CH3CC13
  • 05 - Time series plots of SO2, DMS, Ethylene, H2O2, and CH3OOH
  • 06 - Altitude vs. Temp, Dewpoint, Ozone, CO, Methane (0300 and 0815 GMT)
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Flight #8

Purpose: Diurnal photochemistry
Location: Yokota to Yokota
Date: Sept. 25-26, 1991
Plots:
  • 01 - Map and Time series plots of alt, temp, humidity, and theta
  • 02 - Time series plots of O3, CO2, Methane, N2O, and Benzene
  • 03 - Time series plots of NO, NOx, NOy, PAN, and Nitric Acid
  • 04 - Time series plots of Acetylene, Ethane, Propane, C2C14, and CH3CC13
  • 05 - Time series plots of SO2, DMS, Ethylene, H2O2, and CH3OOH
  • 06 - Altitude vs. Temp, Dewpoint, Ozone, CO, Methane (1930 and 2200 GMT)
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Flight #9

Purpose: Typhoon Mireille
Location: Yokota to Yokota
Date: Sept. 27, 1991
Plots:
  • 01 - Map and Time series plots of alt, temp, humidity, and theta
  • 02 - Time series plots of O3, CO2, Methane, N2O, and Benzene
  • 03 - Time series plots of NO, NOx, NOy, PAN, and Nitric Acid
  • 04 - Time series plots of Acetylene, Ethane, Propane, C2C14, and CH3CC13
  • 05 - Time series plots of SO2, DMS, Ethylene, H2O2, and CH3OOH
  • 06 - Altitude vs. Temp, Dewpoint, Ozone, CO, Methane (0400 and 0730 GMT)
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Flight #10

Purpose: Survey and ferry
Location: Yokota to Okinawa
Date: Oct. 1, 1991
Plots:
  • 01 - Map and Time series plots of alt, temp, humidity, and theta
  • 02 - Time series plots of O3, CO2, Methane, N2O, and Benzene
  • 03 - Time series plots of NO, NOx, NOy, PAN, and Nitric Acid
  • 04 - Time series plots of Acetylene, Ethane, Propane, C2C14, and CH3CC13
  • 05 - Time series plots of SO2, DMS, Ethylene, H2O2, and CH3OOH
  • 06 - Altitude vs. Temp, Dewpoint, Ozone, CO, Methane (0300 and 0700 GMT)
  • 07 - Altitude vs. Temp, Dewpoint, Ozone, CO, Methane (0915 GMT)
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Flight #11

Purpose: Survey and ferry
Location: Okinawa to Hong Kong
Date: Oct. 2, 1991
Plots:
  • 01 - Map and Time series plots of alt, temp, humidity, and theta
  • 02 - Time series plots of O3, CO2, Methane, N2O, and Benzene
  • 03 - Time series plots of NO, NOx, NOy, PAN, and Nitric Acid
  • 04 - Time series plots of Acetylene, Ethane, Propane, C2C14, and CH3CC13
  • 05 - Time series plots of SO2, DMS(na), Ethylene, H2O2, and CH3OOH
  • 06 - Altitude vs. Temp, Dewpoint, Ozone, CO, Methane (0015 and 0215 GMT)
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Flight #12

Purpose: Continental outflow and Tiwan flyby
Location: Hong Kong to Hong Kong
Date: Oct. 4, 1991
Plots:
  • 01 - Map and Time series plots of alt, temp, humidity, and theta
  • 02 - Time series plots of O3, CO2, Methane, N2O, and Benzene
  • 03 - Time series plots of NO, NOx, NOy, PAN, and Nitric Acid
  • 04 - Time series plots of Acetylene, Ethane, Propane, C2C14, and CH3CC13
  • 05 - Time series plots of SO2, DMS, Ethylene, H2O2, and CH3OOH
  • 06 - Altitude vs. Temp, Dewpoint, Ozone, CO, Methane (0900 GMT)
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Flight #13

Purpose: Continental outflow
Location: Hong Kong to Hong Kong
Date: Oct. 6, 1991
Plots:
  • 01 - Map and Time series plots of alt, temp, humidity, and theta
  • 02 - Time series plots of O3, CO2, Methane, N2O, and Benzene
  • 03 - Time series plots of NO, NOx, NOy, PAN, and Nitric Acid
  • 04 - Time series plots of Acetylene, Ethane, Propane, C2C14, and CH3CC13
  • 05 - Time series plots of SO2, DMS, Ethylene, H2O2, and CH3OOH
  • 06 - Altitude vs. Temp, Dewpoint, Ozone, CO, Methane (0445 and 0645 GMT)
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Flight #14

Purpose: Survey and ferry, typhoon Orchid
Location: Hong Kong to Guam
Date: Oct. 8, 1991
Plots:
  • 01 - Map and Time series plots of alt, temp, humidity, and theta
  • 02 - Time series plots of O3, CO2, Methane, N2O, and Benzene
  • 03 - Time series plots of NO, NOx, NOy, PAN, and Nitric Acid
  • 04 - Time series plots of Acetylene, Ethane, Propane, C2C14, and CH3CC13
  • 05 - Time series plots of SO2, DMS, Ethylene, H2O2, and CH3OOH
  • 06 - Altitude vs. Temp, Dewpoint, Ozone, CO, Methane (0200 and 0700 GMT)
  • 07 - Altitude vs. Temp, Dewpoint, Ozone, CO, Methane (0945 GMT)
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Flight #15

Purpose: Marine, southeast of Guam
Location: Guam to Guam
Date: Oct. 11-12, 1991
Plots:
  • 01 - Map and Time series plots of alt, temp, humidity, and theta
  • 02 - Time series plots of O3, CO2, Methane, N2O, and Benzene
  • 03 - Time series plots of NO, NOx, NOy, PAN, and Nitric Acid
  • 04 - Time series plots of Acetylene, Ethane, Propane, C2C14, and CH3CC13
  • 05 - Time series plots of SO2, DMS, Ethylene, H2O2, and CH3OOH
  • 06 - Altitude vs. Temp, Dewpoint, Ozone, CO, Methane (0315 and 0715 GMT)
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Flight #16

Purpose: Marine, southeast of Guam
Location: Guam to Guam
Date: Oct. 13, 1991
Plots:
  • 01 - Map and Time series plots of alt, temp, humidity, and theta
  • 02 - Time series plots of O3, CO2, Methane, N2O, and Benzene
  • 03 - Time series plots of NO, NOx, NOy, PAN, and Nitric Acid
  • 04 - Time series plots of Acetylene, Ethane, Propane, C2C14, and CH3CC13
  • 05 - Time series plots of SO2, DMS, Ethylene, H2O2, and CH3OOH
  • 06 - Altitude vs. Temp, Dewpoint, Ozone, CO, Methane (0400 and 0800 GMT)
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Flight #17

Purpose: Diurnal photochemistry, west of Guam
Location: Guam to Guam
Date: Oct. 14-15, 1991
Plots:
  • 01 - Map and Time series plots of alt, temp, humidity, and theta
  • 02 - Time series plots of O3, CO2, Methane, N2O, and Benzene
  • 03 - Time series plots of NO, NOx, NOy, PAN, and Nitric Acid
  • 04 - Time series plots of Acetylene, Ethane, Propane, C2C14, and CH3CC13
  • 05 - Time series plots of SO2, DMS, Ethylene, H2O2, and CH3OOH
  • 06 - Altitude vs. Temp, Dewpoint, Ozone, CO, Methane (2015 and 2300 GMT)
  • 07 - Altitude vs. Temp, Dewpoint, Ozone, CO, Methane (0200 GMT)
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Flight #18

Purpose: Survey and ferry
Location: Guam to Wake Island
Date: Oct. 17-18, 1991
Plots:
  • 01 - Map and Time series plots of alt, temp, humidity, and theta
  • 02 - Time series plots of O3, CO2, Methane, N2O, and Benzene
  • 03 - Time series plots of NO, NOx, NOy, PAN, and Nitric Acid(na)
  • 04 - Time series plots of Acetylene, Ethane, Propane, C2C14, and CH3CC13
  • 05 - Time series plots of SO2, DMS, Ethylene, H2O2, and CH3OOH
  • 06 - Altitude vs. Temp, Dewpoint, Ozone, CO, Methane (0115 and 0230 GMT)
  • 07 - Altitude vs. Temp, Dewpoint, Ozone, CO, Methane (0330 GMT)
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Flight #19

Purpose: Survey and ferry
Location: Wake Island to Hawaii
Date: Oct. 18-19, 1991 (crossed international date line)
Plots:
  • 01 - Map and Time series plots of alt, temp, humidity, and theta
  • 02 - Time series plots of O3, CO2, Methane, N2O, and Benzene
  • 03 - Time series plots of NO, NOx, NOy, PAN, and Nitric Acid
  • 04 - Time series plots of Acetylene, Ethane, Propane, C2C14, and CH3CC13
  • 05 - Time series plots of SO2, DMS, Ethylene, H2O2, and CH3OOH
  • 06 - Altitude vs. Temp, Dewpoint, Ozone, CO, Methane (0100 and 0315 GMT)
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Flight #20

Purpose: Intercomparison with Mauna Loa Observatory ground measurements
Location: Hawaii to Hawaii
Date: Oct. 20, 1991
Plots:
  • 01 - Map and Time series plots of alt, temp, humidity, and theta
  • 02 - Time series plots of O3, CO2, Methane, N2O, and Benzene
  • 03 - Time series plots of NO, NOx, NOy, PAN, and Nitric Acid
  • 04 - Time series plots of Acetylene, Ethane, Propane, C2C14, and CH3CC13
  • 05 - Time series plots of SO2, DMS, Ethylene, H2O2, and CH3OOH
  • 06 - Altitude vs. Temp, Dewpoint, Ozone, CO, Methane (1545 GMT)
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Flight #21

Purpose: Survey and ferry
Location: Hawaii to Ames
Date: Oct. 21, 1991
Plots:
  • 01 - Map and Time series plots of alt, temp, humidity, and theta
  • 02 - Time series plots of O3, CO2, Methane, N2O, and Benzene
  • 03 - Time series plots of NO, NOx, NOy, PAN, and Nitric Acid
  • 04 - Time series plots of Acetylene, Ethane, Propane, C2C14, and CH3CC13
  • 05 - Time series plots of SO2, DMS, Ethylene, H2O2, and CH3OOH
  • 06 - Altitude vs. Temp, Dewpoint, Ozone, CO, Methane (1930 GMT)
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