21.   On Thursday, the Philippine Institute of Volcanology and Seismology raised its warning at Mayon to alert level two, the second-highest warning.

22.   Recent heavy snowfall had prompted Andorran authorities to raise their avalanche alert level to three, out of a maximum of five.

23.   Speaking on condition of anonymity, the official said the alert level was raised late last week.

24.   Such an alert level is only issued when an attack occurs in the region or when there is specific information indicating that an attack may occur.

25.   Such an alert level is only issued when an attack occurs in the region or when there is specific information indicating that one may occur.

26.   The camp stayed at the high alert level of orange on Saturday, which requires personnel to wear flak jackets and helmets when moving around outside.

27.   The camp remained at the high alert level of orange, which requires personnel to wear flak jackets and helmets when outside.

28.   The camp stayed at the high alert level of orange Sunday.

29.   The camp stayed at the high alert level of orange today, which requires personnel to wear flak jackets and helmets when moving around outside.

30.   The camp was at the alert level of orange during daylight Wednesday and was to stay at orange during the night.

a. + level >>共 586
high 10.25%
highest 6.88%
lowest 4.21%
low 4.18%
higher 4.15%
record 2.99%
current 2.92%
lower 2.79%
new 2.19%
same 2.15%
alert 0.19%
alert + n. >>共 238
status 10.71%
level 7.99%
system 6.90%
authority 3.09%
eye 2.36%
resident 1.63%
reader 1.63%
people 1.63%
consumer 1.63%
order 1.27%
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