According to observation of station of observation of white city observatory
White city district today midday 12:42
To 12:52
Produced floating dust weather
According to observatory preliminary understanding
Weather of this floating dust is right
Area of part of Heilongjiang, Inner Mongolia
Also caused an effect
Today
Jilin province receives cloth of a running fire
Early-warning of fire insurance of fresh gale, sand and dust, forest
Ask everybody to notice to be on guard!
Jilin province releases early-warning of fresh gale blue
Jilin saves observatory on April 3 10 when issue signal of early-warning of fresh gale blue 17 minutes: Predict to did not come 24 hours, bai Cheng, loose source of former, Changchun, 4 smooth, distant, Jilin western 5-6 class turns wind of 3-4 class northwest, instantaneous wind-force can amount to 7-8 class, partly square companion has floating dust or Yang Sha, bureau of atmosphere of office of province lash-up government, province reminds an attention to do good precaution work jointly.
Jilin province releases early-warning of blue of sand and dust
Jilin saves observatory on April 3 12 when issue signal of early-warning of blue of sand and dust 10 minutes: Predict to arrive afternoon nightly, bai Cheng, loose former, Changchun, 4 smooth wind-force are bigger, wait for occurrence Yang Sha, floating dust weather of sand and dust, visibility is poorer, bureau of atmosphere of office of province lash-up government, province reminds an attention to do good precaution work jointly.
Jilin province releases early-warning of blue of sand and dust
Jilin saves observatory on April 3 15 when issue signal of early-warning of blue of sand and dust 1 minute: Predict to arrive afternoon nightly, distant source, Jilin, change greater part, Bai Shan upper wind-force is bigger, wait for occurrence Yang Sha, floating dust weather of sand and dust, visibility is poorer, it is good that bureau of atmosphere of office of province lash-up government, province reminds an attention to do jointly the root of fangfeng, dustproof work with the precaution such as fire prevention.
Jilin province releases early-warning of yellow of silvan fire insurance
Prairie of Jilin province forest prevents office of headquarters of put out a fire and bureau of Jilin province atmosphere on April 3 15 when 17 minutes of combination issue signal of early-warning of yellow of silvan fire insurance: Predict to did not come 24 hours, bai Cheng, loose source of former, Changchun, 4 smooth, distant, Jilin, change, grade of atmosphere of the Bai Shan, fire insurance that extend a limit is 3 class, the attention has done relevant precaution work.
The grade of weather of sand and dust is main according to weather of sand and dust the ground level visibility at that time differentiates, ordinal for floating dust, Yang Sha, sanded dust storm, strong sand dust storm is mixed especially strong sand and dust is cruel 5 grade.
Floating dust is when showing weather condition is calm or 3.0m/s of ≤ of average wind speed, dirt Sha Fu swims in sky, make horizontal visibility is less than the weather phenomenon of 10km;
Yang Sha is to show sand of dust of wind general floor is blown, make air quite cloudy, horizontal visibility is in the weather phenomenon between 1 ~ 10km;
Sanded dust storm is to show sand of dust of blast general floor is blown, make air very cloudy, horizontal visibility is less than the weather phenomenon of 1km;
Strong sanded dust storm is to show sand of dust of floor of fresh gale general is blown, make air very muddy, horizontal visibility is less than the weather phenomenon of 500m;
Especially strong sanded dust storm is to show sand of dust of floor of fierce wind general is blown, create air particularly muddy, horizontal visibility is less than the weather phenomenon of 50m.