Very excessive rainfall was recorded over northwest India and elements of central and peninsular India within the first 5 days of 2020 — uncommon for this time of the 12 months, in line with the climate division.
Total, India recorded 274% extra rain until January 6 with 17 states recording “giant extra”, or 60% above regular rain. There was no rain in 14 states in the course of the week.
India Meteorological Division (IMD) scientists mentioned such widespread and heavy rains in January was being recorded for the primary time in a number of a long time.
Normally, India sees a mean rainfall of two.Four mm from January 1-6. This time, it was 9 mm.
“Final 12 months, we noticed 27.Four mm rain in your complete nation in January, whereas the conventional is 16.1 mm. This 12 months, we have now already realised 9 mm. This spell was distinctive as a result of it could be one of many longest moist spells recorded in January,” mentioned RK Jenamani, senior scientist, nationwide climate forecasting centre.
Whereas winter rain happens over northwest India throughout January-February because of western disturbances (WDs), the depth of the one which triggered rainfall in northwest India within the first week of 2020 was very excessive.
In peninsular India, the northeast monsoon hasn’t withdrawn fully and intense easterly waves are bringing widespread and heavy rains.
“The depth, distribution and lingering rains for numerous days was hanging this time. There may be all the time winter rain; we anticipate six western disturbances on common in January and February, however they don’t seem to be normally as intense as this one. The WD moved very slowly, bringing rain and snow constantly from January three,” mentioned Kuldeep Shrivastava, head, regional climate forecasting centre.
The western disturbance has moved away and the moisture feed from Arabian Sea has considerably diminished, in line with IMD’s Wednesday bulletin.
A feeble western disturbance, nonetheless, is more likely to impression solely the Western Himalayan area on Thursday and Friday, bringing mild rain and snow within the hills.
Minimal temperatures are more likely to fall once more by Four-6 levels Celsius over plains of northwest India in the course of the subsequent Four-5 days.
Chilly wave circumstances are doubtless over plains from January 11 to 13.
Because of plentiful moisture and different beneficial meteorological options, dense to very dense fog is probably going in lots of pockets over northwest India between January 7 and 10.