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Showing posts from September, 2017

CLIMATE OF KARACHI,SINDH

Karachi lies in the arid climate.Karachi lies in the coast and enjoys fresh sea breeze sometime during hot months such as may and June whereas other parts of Sindh remains under impact of deadly heatwave.Sometimes,due to some factors like tropical cyclone alters the direction of sea breeze causing a temporary heatwave there but April,May and June are considered as hottest months there.Karachi mainly receives less rains during the months of monsoon and the cause is inversion layer that surrounds the city during most time of years until any monsoonal low or weather disturbance I.e western disturbance breaks that inversion layer. There are two factors that alters the weather over Karachi. •Western disturbance •Tropical cyclones •Monsoon •Local heat convection •Western Disturbances:- Western disturbances are common to  invade the city during winter season and cause rain of varying intensity (depending upon conditions and intensity of western disturbance).They occur rarely during Apr

Thunderstorms expected in upper Sindh during next 24 hours

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After a long time,something interesting seems for upper sindh during next 24 hours,owing to a western disturbance over northern Pakistan,sending heavy pulses that have potential of causing 'dust-thunderstorm' at isolated places of upper sindh during next 24 hours. This is not a first time that any WD showing its affects on upper sindh however,upper sindh lies in WD zone so this is quite normal. Rainfall will be accompanied by thunderstorms (est: 2-3mms).

[Report] Heavy Monsoon Rains lashes Mumbai during last 24 to 36 hours

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Since city has started receiving monsoon rains,owing to a cyclonic circulation that has caused intrusion of strong monsoon currents at lower levels there. Mumbai has got 103.2mm during 4 hours,as according to the time of India.Heavy rains and thunderstorm caused citizens to awaken from sleep. But this is not a end,more monsoon downpours could occur during next 24 to 48 hours.

Rainfall to increase in mumbai once again

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Owing to a cyclonic circulation at northeast India,Mumbai has been witnessing heavy rains with thunderstorms because cyclonic circulation has increased monsoon currents over there. Overall there is no any effect of this system here in Sindh but this post is just for information purpose only. Presently,Mumbai vicinity has started getting thunderstorm with rain.

Difference between western disturbances and monsoon

We all have heard two terms 'western disturbance' and 'monsoon'.But most from us don't know what they exactly are and how they both differ from each other. Monsoon is a seasonal reversal of winds occurring from June to September. Monsoon occurs for temporary period but is associated with wet summers however,dry winters.On the other hand,western disturbance is extra tropical disturbance/cyclone originating from Mediterranean sea & make its journey towards Pakistan after crossing Iran, and Afghanistan.Unlike monsoon,western disturbance moisture is carried in upper atmosphere & western jet help it to transport to another place,due to which WD have less or negligible convection.But don't be confused,WD in most cases have high convection that leads to flooding rains (usually during interaction with monsoon currents). Unlike,monsoon currents which are usually seen in low levels of atmosphere,WD are usually found in mid & upper levels,in rare cases can b

What will happen if more rain occurs in Karachi?

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The following is the rain amounts for different areas of Karachi,as follows: Source:Muhammad Taha Amerjee So far,Karachi had received above normal rains this year.More rains can lead to rising of rivers and lakes & flooding cannot be ruled out. However,most of our parameters are expecting torrential downpours again in Karachi from third week of September.

SUPER MONSOON SPELL FOR KARACHI OVER?

Karachi received exceptionally heavy rains from the system.However,major cities of Sindh disappointed from the system. This was just because of sudden variations in atmospheric conditions.Models just failed to keep our hopes alive ,as yesterday system was concentrated over Central sindh,instead of it,rains occurred in coastal parts including Karachi yesterday.This could be attributed to climate change. What's next? System is now as weak circulation & is weakening as remnants. But for now,it may cause little bit activity today in Karachi divisions,Thatta and Badin today. Happy Eid Mubarak