Thunderstorms in Peninsular Malaysia from 15 to 17 Nov

MetMalaysia expects thunderstorms in Peninsular Malaysia from Sunday 15 November to Tuesday 17 November. Heavy rain and strong winds are also likely in most states. Earlier this month, the agency issued flash flood advice for Klang Valley.

The agency’s Director-General, Dr Mohd Hisham Mohd Anip, made the announcement on Facebook. It was issued on Friday 13 November. He said the cause is a convergence of winds. The agency based this on its latest forecast models.

Here is what the agency said, which areas were warned earlier and where to check alerts. However, the statement gave no list of states and no rainfall amounts.

Peninsular Malaysia wind convergence and dates

MetMalaysia says the wind convergence could bring thunderstorms, heavy rain and strong winds. It says these could last longer than usual. Wind convergence happens when air streams meet and push air upward, which can build storm clouds. The spell covers three days, from Sunday to Tuesday.

Overall, the agency named most Peninsular states, not all of them. It did not say which states may stay dry. Likewise, it did not say if Sabah or Sarawak are affected.

However, the statement gave no rainfall amounts. It also gave no warning level. It did not say if flash floods are expected. Therefore, we cannot say how severe the rain will be.

Meanwhile, the statement did not say when each day’s storms are most likely. Afternoon storms are common in the peninsula. This is our note, not the agency’s. As a result, treat the outlook as an early heads-up.

Thunderstorms: states and earlier warnings

The agency did not list the states for the three-day outlook. Instead, it issued separate warnings on Friday 13 November. These ran until 11pm that night.

Specifically, the warnings covered Kota Tinggi and Kluang in Johor. They also covered Hulu Perak and Kuala Kangsar in Perak. In Kedah, they named Padang Terap, Sik and Baling.

Read more: MetMalaysia warning and flash flood advice for Klang Valley

Read more: Flood evacuees reach 1,318 as Perak joins Selangor

Read more: Johor dams still flagged low while the Klang Valley floods

In addition, Terengganu had warnings for Kuala Terengganu, Kuala Nerus, Setiu and Besut. Sarawak also had several districts under warning. The list included Kapit, Bintulu, Sibu and Miri.

Those warnings have now expired. They show where storms hit just before the new spell. Fresh warnings may follow, so check the agency’s updates. Residents in those districts should watch for new alerts.

Checking alerts for thunderstorms

Dr Mohd Hisham said the situation could bring thunderstorms with heavy rain and strong winds. He said these could last for a longer time in most Peninsular states. Moreover, the agency urged the public to follow official updates.

The agency points people to its website, met.gov.my. It also points to its official social media pages. Both carry the latest warnings. In addition, it asks the public to use the myCuaca app.

Drivers and residents in flood-prone areas may want to plan ahead. Heavy rain can pool on roads and slow traffic. Our earlier advice covers what to do in flash floods.

In short, thunderstorms in Peninsular Malaysia are likely from 15 to 17 November. The agency gave no rainfall figures or state list. Forecasts can change, so check myCuaca and met.gov.my each day for the latest alerts.

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