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升级为高温橙色预警 (upgrade to an orange high temperature warning)

Grammar & Usage

verb phrase

formal

How it works

Formed by the verb compound '升级' (to upgrade/escalate) combined with the prepositional marker '为' (to become/into), taking the meteorological noun phrase '高温橙色预警' (high-temperature orange warning) as its direct complement. It is standard bureaucratic and journalistic phrasing used by meteorological agencies to indicate an escalation in alert severity. It often appears in active causative constructions (将...升级为...) or as a predicate describing the status of an alert.

Sample sentences

市气象台于今日上午将高温黄色预警升级为高温橙色预警。

The municipal meteorological observatory upgraded the yellow high temperature warning to an orange high temperature warning this morning.

局部地区最高气温预计突破40℃，有关部门已升级为高温橙色预警。

With maximum temperatures in some local areas expected to exceed 40°C, relevant authorities have upgraded to an orange high temperature warning.

随着热浪持续蔓延，中央气象台连续第三天升级为高温橙色预警。

As the heatwave continues to spread, the National Meteorological Center upgraded to an orange high temperature warning for the third consecutive day.

Quick facts

warningSystem:China's meteorological warning system uses a four-color scale: blue (IV, lowest), yellow (III), orange (II, severe), and red (I, most severe). Orange indicates extreme heat (often ≥37°C for consecutive days or ≥40°C in 24 hours).

syntacticPattern:Commonly used in the 'A 把/将 B 升级为 C' structure (A upgrades B to C).

Often used with

Mnemonic

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Example

市气象台于今日上午将高温黄色预警升级为高温橙色预警。

The municipal meteorological observatory upgraded the yellow high temperature warning to an orange high temperature warning this morning.

局部地区最高气温预计突破40℃，有关部门已升级为高温橙色预警。

With maximum temperatures in some local areas expected to exceed 40°C, relevant authorities have upgraded to an orange high temperature warning.