Monthly analysis of Barrow, Alaska ARM observations of cloud cover and downwelling radiative fluxes

June 2001

February 2001

Barrow ARM vs. reanalyses


Barrow, AK - ARM observations

Barrow: ARM cloud fraction Barrow: ARM shortwave flux Barrow: ARM longwave flux

Barrow, AK - ERA40 reanalysis

Barrow: ERA40 cloud fraction Barrow: ERA40 shortwave flux Barrow: ERA40 longwave flux

Barrow, AK - JRA25 reanalysis

Barrow: JRA25 cloud fraction Barrow: JRA25 shortwave flux Barrow: JRA25 longwave flux

Barrow, AK - NCEP reanalysis

Barrow: NCEP cloud fraction Barrow: NCEP shortwave flux Barrow: NCEP longwave flux

Barrow, AK - NARR reanalysis

Barrow: NARR cloud fraction Barrow: NARR shortwave flux Barrow: NARR longwave flux

Barrow ARM vs. reanalyses


Barrow, AK - ARM observations

Barrow: ARM cloud fraction Barrow: ARM shortwave flux Barrow: ARM longwave flux

Barrow, AK - ERA40 reanalysis

Barrow: ERA40 cloud fraction Barrow: ERA40 shortwave flux Barrow: ERA40 longwave flux

Barrow, AK - JRA25 reanalysis

Barrow: JRA25 cloud fraction Barrow: JRA25 shortwave flux Barrow: JRA25 longwave flux
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Barrow, AK - NCEP
Barrow: NCEP cloud fraction Barrow: NCEP shortwave flux Barrow: NCEP longwave flux

Barrow, AK - NARR reanalysis

Barrow: NARR cloud fraction Barrow: NARR shortwave flux Barrow: NARR longwave flux

Summary plots: Barrow, AK - ARM vs. reanalyses

Barrow: cloud fraction Barrow: shortwave flux Barrow: longwave flux

Monthly cloud fraction

Barrow: 3 reanalyses 70-90N: ERA40 70-90N: NCEP

Monthly cloud radiative forcing


Satellite imagery

MODIS 06/08/2001 2230Z