What do different colors represent in weather warning? How many hours does it rain in orange?

Early warning signals in China are classified into typhoon, rainstorm, high temperature, cold wave, fog, thunderstorm and gale, gale, sandstorm, hail, blizzard, road icing, etc. 1 1.

Early warning signals are generally divided into four levels (IV, III, II and I). According to the severity and urgency of the disaster, the colors are blue, yellow, orange and red in turn, and they are marked in Chinese and English, representing ordinary, heavy, serious and particularly serious respectively. According to the characteristics and early warning ability of different disasters, the early warning grades and standards of different disasters are determined. When a variety of meteorological disasters occur or are expected to occur at the same time, a variety of early warning signals can be issued simultaneously according to the corresponding standards.

Typhoon warning signal

Typhoon warning signal is divided into four levels according to approaching time and intensity, which are represented by blue, yellow, orange and red respectively. Blue means: it may be affected by tropical depression within 24 hours, and the average wind force can reach above 6 or gust above 7; Or it has been affected by the tropical depression, with an average wind force of 6-7, or a gust of 7-8 and may continue. Yellow means: it may be affected by tropical storms within 24 hours, with an average wind force of 8 or above or a gust of 9 or above; Or have been affected by tropical storms, the average wind force is 8-9, or the gust is 9- 10 and may continue. Orange indicates that it may be affected by a strong tropical storm within 12 hours, and the average wind force 10 or gust10/0 or above; Or have been affected by a strong tropical storm, with an average wind force of 10 ~ 1 1, or a gust of wind of1~12, which may continue. Red indicates that it may or has been affected by typhoon within 6 hours, and the average wind power can reach 12 or above, or it may continue.

Second, the rainstorm warning signal

The rainstorm warning signal is divided into three levels, which are represented by yellow, orange and red respectively. Yellow means that the rainfall will reach more than 50 mm within 6 hours, or it has reached more than 50 mm and the rainfall may continue. Orange means that the rainfall will reach more than 50 mm within 3 hours, or it has reached more than 50 mm and the rainfall may continue. Red indicates that the rainfall will be above 100 mm within 3 hours, or it has been above 100 mm and the rainfall may continue.

Third, the high temperature warning signal

The high temperature warning signal is divided into two levels, which are represented by orange and red respectively. Orange means that the maximum temperature will rise above 37℃ within 24 hours. Red indicates that the maximum temperature will rise above 40℃ within 24 hours.

Fourth, the cold wave warning signal

The cold wave warning signal is divided into three levels, which are represented by blue, yellow and orange respectively. Blue means that the minimum temperature drops by more than 8℃ within 24 hours, the minimum temperature is less than or equal to 4℃, the average wind force reaches more than 6, or the gust is more than 7; Or it has dropped by more than 8℃, the lowest temperature is less than or equal to 4℃, the average wind force is above 6, or the gust is above 7, and it may continue. Yellow indicates that the minimum temperature drops 12℃ or above within 24 hours, the minimum temperature is less than or equal to 4℃, the average wind force reaches 6 or above, or the gust is 7 or above; Or it has dropped above 12℃, the lowest temperature is less than or equal to 4℃, the average wind force is above 6, or the gust is above 7, and it may continue. Orange indicates that within 24 hours, the minimum temperature will drop by more than 16℃, the minimum temperature will be less than or equal to 0℃, and the average wind power will reach above 6, or the gust will be above 7; Or it has dropped above 16℃, the lowest temperature is less than or equal to 0℃, the average wind force is above 6, or the gust is above 7, and it may continue.

Five, fog warning signal

The fog warning signal is divided into three levels, which are represented by yellow, orange and red respectively. Blue indicates that fog with visibility less than 500 meters may appear within 12 hours, or fog with visibility less than 500 meters and greater than or equal to 200 meters has appeared and may continue. Yellow indicates that dense fog with visibility less than 200 meters may appear within 6 hours, or dense fog with visibility less than 200 meters and greater than or equal to 50 meters has appeared and may continue. Orange indicates that there may be a strong fog with visibility less than 50 meters within 2 hours, or a strong fog with visibility less than 50 meters has appeared and may continue.

Six, thunderstorm gale warning signal

Thunderstorm and gale warning signals are divided into four levels, which are represented by blue, yellow, orange and red respectively. Blue means: it may be affected by thunderstorms and strong winds within 6 hours, with an average wind force of more than 6, or a gust of more than 7 accompanied by lightning; Or have been affected by thunderstorms and strong winds, with an average wind force of 6-7, or gusts of 7-8 accompanied by lightning, and may continue. Yellow means: it may be affected by thunderstorms and strong winds within 6 hours, with an average wind force of 8 or above, or a gust of 9 or above accompanied by strong lightning; Or have been affected by thunderstorms and strong winds, with an average wind force of 8-9, or a gust of 9- 10 accompanied by strong lightning, and may continue. Orange indicates that it may be affected by thunderstorm and strong wind within 2 hours, with the average wind force 10 or above, or the gust 1 1 above, accompanied by strong lightning; Or it has been affected by thunderstorms and strong winds, with an average wind force of10-1,or a gust of wind of 1 1- 12 accompanied by strong lightning, and may continue. Red means: it may be affected by thunderstorm and strong wind within 2 hours, and the average wind power can reach 12 level or above, accompanied by strong lightning; Or it has been affected by thunderstorms and strong winds, and the average wind power 12 is above and accompanied by strong lightning, and it may continue.

Seven, strong wind warning signal

The warning signal of gale (except typhoon, thunderstorm and gale) is divided into four levels, which are represented by blue, yellow, orange and red respectively. Blue means: it may be affected by strong winds within 24 hours, with an average wind force of 6 or above or a gust of 7 or above; Or it has been affected by strong winds, with an average wind force of 6-7, or a gust of 7-8 and may continue. Yellow means:/kloc-may be affected by strong winds within 0/2 hours, and the average wind force can reach 8 or above, or the gust is 9 or above; Or it has been affected by strong winds, with an average wind force of 8-9, or a gust of 9- 10 and may continue. Orange indicates that it may be affected by strong winds within 6 hours, with the average wind force 10 or gust 1 1 above; Or it has been affected by strong winds, with an average wind force of10-1,or a gust of wind of 1 1- 12 and may continue. Red means: red means: gale with average wind power 12 or above may occur within 6 hours, or gale with average wind power 12 or above has occurred and may continue.

Eight, sandstorm warning signal

The warning signal of sandstorm is divided into three levels, which are represented by yellow, orange and red respectively. Yellow indicates that sandstorm weather may occur within 24 hours (visibility is less than1000m) or sandstorm weather has occurred and may continue. Orange indicates that there may be a strong sandstorm within 12 hours (visibility is less than 500m), or there has been a strong sandstorm and it may continue. Red indicates that there may be extremely strong sandstorm weather (visibility less than 50 meters) within 6 hours, or there has been extremely strong sandstorm weather and it may continue.

Nine, hail warning signal

The hail warning signal is divided into two levels, which are represented by orange and red respectively. Orange indicates that there may be hail with lightning weather within 6 hours, which may cause hail disaster. Red indicates that there is a greater possibility of hail with lightning weather within 2 hours, which may cause a greater hail disaster.

Ten, snow disaster warning signal

Snow disaster warning signals are divided into three levels, which are represented by yellow, orange and red respectively. Yellow indicates that there may be snowfall affecting traffic or animal husbandry within 12 hours. Orange means that there may be snowfall that has a great impact on traffic or animal husbandry within 6 hours, or there has been snowfall that has a great impact on traffic or animal husbandry and may continue. Red means that there may be snowfall that has a great impact on traffic or animal husbandry within 2 hours, or there has been snowfall that has a great impact on traffic or animal husbandry and may continue.

Eleven, road icing warning signal

The warning signal of road icing is divided into three levels, which are represented by yellow, orange and red respectively. Yellow indicates that there may be road icing that has an impact on traffic within 12 hours. Orange means that there may be road icing that has a great impact on traffic within 6 hours. Red indicates that there may be or has been road icing that has a great impact on traffic within 2 hours.