Although it has passed the spring
But the temperature seemed
There is no intention of going higher
No, another wave of cooling snow to "check in"
Important weather forecasts
Affected by the continuous spread of cold air and the eastward movement of low troughs in North China, it is expected that there will be a cooling and snowfall weather process in our city from the night of the 16th to the 18th, and the maximum temperature will drop significantly to 1 °C compared with the previous period. The cumulative snowfall during the process is 2 to 6 mm, the snow depth is 2 to 5 cm, and the mountainous area is 4 to 8 cm.
16th (Wednesday): Cloudy days turned to moderate snow, there was heavy snow in the high-altitude mountains in the south, the northeast wind was 3 to 4, and the temperature was -1 to 2 °C.
17th (Thursday): There is light snow on a cloudy day, the east wind is about 3 degrees, and the temperature is -2 ~ 0 °C.
18th (Friday): Light snow turns cloudy, and the temperature is -2~1°C.
Rain and snow are coming again
What are the key points to pay attention to when traveling by car?
Let's look down
On rainy and snowy days, the roads are slippery and the speed control is key
In rain and snow weather, the road is slippery and slippery, and the speed of the vehicle is too fast to occur if the tire slips, resulting in accidents such as out-of-control skidding.
▲Figure 2: The road surface is slippery on a rainy day, and two cars have slipped sideways.
Therefore, driving in rain and snow must slow down and slow down, and it should be done as follows:
√ Drive at a reduced speed. When the vehicle is driving on a watery and snowy road, the adhesion of the tire to the ground decreases, that is, the grip of the tire is weakened, which increases the difficulty of driving. Therefore, the driving speed is slower than usual to improve the handling of the vehicle, and when encountering turns and emergencies, there is enough reaction time for safe operation or braking.
√ Slow braking. The braking distance on wet and slippery roads is longer than on general dry roads, so when braking, the driver should brake slowly. If the vehicle is out of control and slipping during the braking process, the brakes should be released, the steering wheel should be turned slightly in the direction of the offset, and then the brakes should be lightly stepped on after the direction of the body was corrected, and then the brakes should be slowly braked.
Visibility is low, and "seeing" and "being seen" are safe
Low visibility on rain and snow days, coupled with the obstruction of rain and snow, the driver's vision will become blurred, which brings great hidden dangers to safe driving.
Figure 3: The snow is dark and the visibility is low.
Therefore, the driver should do these points well:
√ open the wiper in time, and adjust the wiper speed according to the size of the rain and snow to keep the line of sight clear.
√ Correct use of headlights to improve visibility. Drivers should adjust the use of headlights according to the actual situation: according to the "Road Traffic Safety Law Implementation Regulations", when the visibility is less than 200 meters, turn on fog lights, low beam lights, indicator lights and front and rear position lights; when visibility is less than 100 meters, turn on fog lights, low beam lights, sign lights, front and rear position lights and hazard alarm flashing lights. The correct use of lights can not only allow drivers to see the road conditions by themselves, but also improve the recognition of vehicles and let the surrounding vehicles see themselves.
Maintain a safe distance from the vehicle to reduce parallelism and overtaking
√ Driving on rainy and snowy days, it is difficult to control the vehicle itself, in order to ensure safe driving, driving should be minimized in parallel, overtaking, especially do not overtake in the corner;
√ If you have to overtake, keep a good lateral distance from other vehicles to prevent accidents.
Figure 4: Overtaking accidents on rainy days
▲ Figure 5: On the ice and snow road, the white car loses control and collides with the opposite car when overtaking.
How to get a steady sense of security
These snow day driving tips you must know
Tips for snow and ice days
1
Start. When starting on the ice and snow road, you should slowly release the brakes or release the clutch, let the vehicle move slowly and then lightly press the accelerator. Do not be too big foot oil at the same time, the wheels are slippery, and it is easy to slip sideways. Remember to use the vehicle if there is snow mode.
2
Driving. The driver should maintain the usual distance of 2-3 times with the car in front, try to drive in the rut left by the car in front, always ready to brake in advance; slow down the direction, appropriately increase the turning radius; at the same time, be careful of dark ice, bridges, culverts, overpass ramps, tunnel openings and other sections of the highway are prone to form dark ice due to un ground temperature; in addition, in some shady sections with short daylight hours, it is also easy to form dark ice or intermittent ice belts, and the driver needs to pass slowly at an average speed, do not slam on the brakes, and hit the direction sharply.
3
brake. Snow brakes are too strong or the steering is too sharp, which can easily cause the vehicle to slip or tail, should take early braking, slow braking, steering first deceleration slow down the steering wheel, to avoid lateral sliding or back and forth tail situation.
4
Uphill and downhill. When going up and down the slope on a snow day, you must use a low gear to pass smoothly, and it is not appropriate to change gears in the middle. Novices can change to the side road on snowy days to avoid encountering overpasses with large slopes. Try to avoid parking on the slope as it is difficult to get it to restart. If you must park on a snowy downhill slope, make sure you have enough space to drive out of the parking space.
In addition, the temperature difference between the inside and outside of the vehicle on snow days is large, and when the fog appears in the front windshield, it is necessary to use the air conditioner in the car to adjust the temperature in the car to remove fog in time; if it encounters side slip, it should be lightly hit the steering wheel in the direction of side slip, and then lightly step on the brakes to slow down after the body is back to normal until the vehicle is fully controlled.
Source: Luoyang Meteorological Bureau, Luoyang Traffic Police Office, Luoning Traffic Police Brigade
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Preliminary examination | Tian Beibei
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