Update 8.15 pm
The isobars seen from this Thai map show more spacing, hence winds are slowing down. A trough is running across A.P. and Southern Mah.
Mumbai saw maximum density of the dust cloud in the afternoon, and then it was gradually thinning out. Latest position ( at 7.30 pm IST) shows NW winds blowing and visibility at visibility again down to 1000 mts.
A suspect dust cloud is forming in N.Africa (Egypt). Will be observing this too.
Mumbai forecast for week tonite.
Update 3.30 pm IST:
Dust and Sand Concentrated in West Rajasthan and adjoining Southern Interior Sindh (Pakistan).
Wind Strength diminishes in NW India. Dust/Sand likely to become sparse within 12 hrs. Jaisalmer sees a humidity of 4% today afternoon.
Thinning of dust around Mumbai from evening today. Visibility lowest at 900 mtrs at 2.30 pm improves to 1300 mtrs by 4 pm. Humidity at 21%.
Fall in night temperatures compared to last nights minimum by 2/3c.
Detailed Mumbai forecast tonite (10 pm). Expect variation by weekend !
SHAN FASTIAN SENDS THIS WONDERFUL PHOTO FROM ISLAMABAD,PAKISTAN . THE PHOTO WAS TAKEN AT 04PM LT,20TH MARCH 2012. BORROWED FROM METD