I would like to study the climatology of fog in relation to fog holes occurring in some major cities located in the Northern plains of India in (2000-2020). What datasets can be used to do so? Can you help me find the data?
Thankyou for your help.
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I would suggest starting with the MERRA-2 and AIRS data sets from the GES DISC. MERRA-2 has numerous meteorological variables, and the Atmospheric Infrared Sounder (AIRS) provides temperature and humidity data which can also be examined as vertical profiles. Below is a search URL for Dew Point Temperature from MERRA-2. There is no specific fog variable, though there are cloud variables, and the Cloud Fraction variable might indicate the occurrence of fog (but I don't know how well). You may need to define relative humidity and temperature conditions that indicate where and when fog will form.
https://giovanni.gsfc.nasa.gov/giovanni ... 2_4_T2MDEW
After you examine these datasets (use the Search box at the GES DISC Web site, and the Giovanni interface), it may be possible to provide additional guidance.