The phrase "are severely high" is correct and usable in written English.
It can be used to describe a situation where levels or amounts of something are extremely elevated or excessive.
Example: "The pollution levels in the city are severely high, posing a significant health risk to residents."
Alternatives: "are extremely elevated" or "are excessively high".
In the countries, where atrazine is still frequently used, the concentrations in streams, rivers, and lakes are severely higher.
Unfortunately, as stated earlier, the expense of intraoperative MRI is severely high.
Nevertheless, current study used the data from the region where the HIV epidemic is severely high among particularly young women.
Due to the high dimensionality of feature space, the Vapnik-Chervonenkis dimension is severely high and causes overfitting; thus the advantage of fusing multiple kinds of features does not show.
Even if allelic frequencies in the base population are unknown, and the results are severely biased, a high correlation between the estimated and the true genealogical values is maintained.
About 43 per cent of children under the age of 5 are underweight and 19 per cent are severely underweight, the highest rate in the world.
The increase in breadth of the film-solution interface is very obvious in the NR data as the fringes are severely damped at higher qz values.
We have shown that orthology assignment and the detection of important genetic events are severely impacted by the high proportion of errors in the initial set of protein sequences, even in high coverage genomes.
In most regions of the south, 1 in 5 children is severely malnourished and in some regions (Bay) 1 in 3 children are severely malnourished at exceptionally high risk of death.
Focussing on ICH patients who are severely diseased with a high mortality rate and poor prognosis per se, it seems rational that the hemorrhage itself attracts much of the medical attention [ 30].
