Severe acute pancreatitis has high mortality rates, especially where necrosis of the pancreas has occurred.

Severe cases of SOS are associated with a high mortality rate.

Severe cases are characterized by either obtundation ( dulled consciousness ) or the combination of elevated bilirubin levels and prolonged prothrombin time ; the mortality rate in both severe categories is 50 % within 30 days of onset.

Severe dwarf mistletoe infection can result in a reduction in tree growth, premature tree mortality, reduced seed and cone development, reduced wood quality, and increase the susceptibility of the host tree to pathogen and / or insect attack.

Severe angioedema cases may require desensitization to the putative allergen, as mortality can occur.

Severe TTTS has a 60 – 100 % mortality rate.

Severe lung injury and hypoxemia result in high mortality.

Severe manic episodes can sometimes lead to such psychotic symptoms as delusions and hallucinations.

Severe floods occur on the lower reaches of the river about every 12 – 15 years, which sometimes wash out bridges.

In the United States, local National Weather Service forecast offices, particularly those in the Great Plains or Southeastern U. S., sometimes include the wording " Severe thunderstorms can produce tornadoes with no advance warning ..." or a similar reference in their severe thunderstorm warning products, usually when there is a tornado threat or especially when a tornado watch is in effect, though sometimes the wording is included even if the threat of severe weather does not include a threat of tornadic activity.

Severe aggression is rare in stable groups, but when two mountain gorilla groups meet, the two silverbacks can sometimes engage in a fight to the death, using their canines to cause deep, gaping injuries.

Severe and sometimes tornadic thunderstorms often develop along the slope reversal zone east of the surface dry line, especially when it begins moving eastward.

Severe fatty liver is sometimes accompanied by inflammation, a situation referred to as steatohepatitis.

Although most diseases are mild, sometimes they can cause more severe situations in humans, such as, for example, the infection of the respiratory tract known as Severe Acute Respiratory Syndrome ( SARS ).

Severe weather conditions are sometimes recorded:

The program has been adopted worldwide in over 40 countries, sometimes under the name of Early Management of Severe Trauma ( EMST ), especially outside North America.

Severe black mamba envenomation can kill a person in 30 minutes, but sometimes it takes up to 2 — 3 hours, depending upon many factors.

Severe nearsightedness ( high myopia ) is sometimes present, as are other eye problems that can affect vision such as detached retinas.

Severe erosion occurs in cases such as this, causing stream sedimentation and the loss of nutrient rich topsoil.

Severe weather occurs occasionally, with thunderstorms in the warmer months of the year and ice storms and snowfalls occurring on occasion in winter.

Severe shortness with skeletal distortion also occurs in several of the Mucopolysaccharidoses and other storage disorders.

Severe weather occurs most often in the spring months, and occurs with much less frequency throughout the rest of the year.

Severe sepsis occurs when sepsis leads to organ dysfunction, such as pulmonary dysfunction, coagulation or other blood abnormalities, decreased urine production, or altered mental status.

Severe internal or joint bleeding is uncommon ( which mostly occurs in type 3 vWD ).

Severe weather occurs occasionally, and a few tornadoes have been recorded in Midland and its vicinity.

Severe prenatal deficiency of GH, as occurs in congenital hypopituitarism, has little effect on fetal growth.

Severe disease occurs most commonly in children under the age of 16 and is characterized by seizures, coma, paralysis, and a variety of neurological sequelae after recovery.

Severe hypoglycemia rarely, if ever, occurs in people with diabetes treated only with diet, exercise, or insulin sensitizers.

Severe historical penalties include breaking wheel, boiling to death, flaying, slow slicing, disembowelment, crucifixion, impalement, crushing ( including crushing by elephant ), stoning, execution by burning, dismemberment, sawing, decapitation, scaphism, necklacing or blowing from a gun.

Severe starvation during the Great Chinese Famine, mass suicide as a result of the Three-anti / five-anti campaigns, and political persecution during both the Anti-Rightist Movement and struggle sessions all resulted from these programs.

* Severe Tire Damage ( band ), a rock and roll " garage " band from Palo Alto, California

In 1998, they released a mostly-live album Severe Tire Damage from which came the single " Doctor Worm ", a studio recording.

* Severe bleeding from minor trauma, of particular concern in the elderly.

Severe dengue can be fatal, but with good treatment, less than 1 % of patients die from dengue.

Severe diseases such as scurvy can result from defects in this hydroxylation, e. g., mutations in the enzyme prolyl hydroxylase or lack of the necessary ascorbate ( vitamin C ) cofactor.

Severe sexual, physical, or psychological trauma in childhood has been proposed as an explanation for its development ; awareness, memories and emotions of harmful actions or events caused by the trauma are removed from consciousness, and alternate personalities or subpersonalities form with differing memories, emotions and behavior.

Severe memory loss from ECT is described in an autobiographical book, Doctors of Deception: What They Don't Want You to Know about Shock Treatment.

Severe frost is usually fatal, although they have been known to recover from temperatures of.

Architectural sculpture showed a development from early Archaic examples through Severe Classical, High Classical, Late Classical and Hellenistic.

Severe thunderstorms can occur from any type of storm cell.

Severe storms are common from December through February.

Severe ischemia can cause the heart muscle to die from hypoxia, such as during a myocardial infarction.

Severe cases (" fecal impaction " or malignant constipation ) may exhibit symptoms of bowel obstruction ( vomiting, very tender abdomen ) and encopresis, where soft stool from the small intestine bypasses the mass of impacted fecal matter in the colon.

Severe low temperatures vary with latitude, elevation, and distance from the ocean.

Severe illness prevented him from taking part in the Battle of Long Island.

For example, von Oettingen recorded 47 fatal and 174 nonfatal cases of methyl bromide intoxication between 1899 and 1952 ... Severe poisoning with some fatalities resulted from soil disinfection by injection of methyl bromide into greenhouse soil.

Severe heat waves have caused catastrophic crop failures, thousands of deaths from hyperthermia, and widespread power outages due to increased use of air conditioning.

Severe back pain extending to the hips and feet, loss of bladder or bowel control, or muscle weakness, may result from spinal tumours or cauda equina syndrome.

Severe storms during December 2006 damaged the bulkhead, allowing water to flow in and wash backfill out from under the terminal's paving blocks.

The threat level has been raised to Severe only once, which applied only to flights coming from the United Kingdom:

* August 10 – 14, 2006, in response to British law enforcement announcing it had disrupted a major terror plot to blow up an aircraft, DHS raised the threat level for commercial flights from the United Kingdom to the United States to Severe.

Flights from the United Kingdom to the United States had been under a Severe alert, but were downgraded to High on August 13, 2006.