The cold and warm face changes! This phenomenon is very common, but be careful...

The temperature rose in the past few days

Many people have changed into light spring clothes.

However, there has been a seasonal drop in temperature in the past two days.

Heavy rain, heavy snow, and severe convective weather are coming

Cold air frequently "checks in"

So, is this cold air a "late spring cold"?

What diseases are most likely to be caused by “late spring cold”?

How to prevent it?

Read on to learn more

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Does “late spring cold” have a clear definition in meteorology?

Expert introduction

"Late spring cold" has a clear definition in meteorology.

Refers to the early warm and late cold weather in spring (March to May).

The temperature in the later period was significantly lower than that in normal years.

From a meteorological perspective

If the average temperature in a place exceeds 10℃ for 5 consecutive days

It is generally considered that spring has arrived.

Spring is the most unstable season for meteorological factors

Once the cold air

Temperatures in the north may drop below 10°C for several days in a row

The south may see continuous rainy days.

Feeling cool

This phenomenon of "late spring cold" is very common.

Take Beijing as an example

The probability of a "late spring cold spell" in the past 30 years

Reached about 60%

Will there be a “late spring cold snap” in our country this year?

Expert introduction

Mid-March and late March

There will be two relatively obvious cold air processes

Affecting my country from north to south

This may lead to the southern part of North China, Central China,

Southwest East

The average temperature is lower than the same period of previous years.

There will be periodic rainy weather in the south

The temperature in April is generally warm.

However, cold air activities are still relatively frequent

Still need to guard against "late spring cold"

This spring

The overall temperature in my country is warmer

The warmer the weather, the more likely it is to experience a "late spring cold snap"

Friends in the North

Pay attention to temperature changes

Friends in the south should pay attention to cold and rain protection

Add or remove clothes in time to avoid causing illness

What diseases are likely to be caused by “late spring cold”?

Emergency dispatch data in spring over the years shows

Whenever the temperature is low in spring,

Cardiovascular and cerebrovascular emergencies such as myocardial infarction and stroke

There will be an increase in patients with respiratory emergencies such as asthma

It is recommended that people with these basic diseases

In spring, we should pay special attention to preventing cold and disease.

In addition, doctors remind

Spring is still cold

Also be alert to several types of diseases that are prone to cold

For example, cold, allergic rhinitis, cough, etc.

Cold and humid places in the south

Multiple joint pain

In addition, there are digestive tract diseases

Including gastric ulcer, duodenal ulcer, etc.

How to prevent the "late spring cold"

What types of diseases are caused by this?

Prevent these diseases

Scientific "spring cover" is very important

Daily outing

Pay special attention to keeping your head, neck, and abdomen warm

The elderly should also pay attention to keeping their knee joints, waist and back warm.

To avoid catching a cold

Spring Disease Prevention

Also pay attention to open windows for ventilation

If it's sunny

It is recommended to open the windows after sunrise and before sunset

3-4 times a day, 10-15 minutes each time

If the rainy days continue

It is recommended to wait until the rain stops and the air is fresh.

Open the window for ventilation

In early spring, it is still cold

Forward to family members

Let’s protect our health together

Source: Science Popularization China WeChat Official Account