* 1972 – Severe rainfall causes a dam in the Black Hills of South Dakota to burst, creating a flood that kills 238 people and causes $ 160 million in damage.

Severe deficiency of niacin in the diet causes the disease pellagra, which is characterized by diarrhea, dermatitis, and dementia, as well as “ necklace ” lesions on the lower neck, hyperpigmentation, thickening of the skin, inflammation of the mouth and tongue, digestive disturbances, amnesia, delirium, and eventually death, if left untreated.

Severe A1AT deficiency causes panacinar emphysema or COPD in adult life in many people with the condition ( especially if they are exposed to cigarette smoke ), as well as various liver diseases in a minority of children and adults, and occasionally more unusual problems.

Severe winter climate conditions at alpine tree line causes stunted krummholz growth.

Severe dehydration, and the consumption of alkali are other causes.

Severe nitrazepam overdose resulting in coma causes the central somatosensory conduction time ( CCT ) after median nerve stimulation to be prolonged and the N20 to be dispersed.

Severe internal bleeding causes the death of the small animals that this snake eats.

Severe occlusion of the ophthalmic artery causes ocular ischemic syndrome.

Medical advice should be sought if any of the symptoms listed above as Rare / Severe are observed, if swelling spreads beyond the immediate area of injury ( e. g. from hand to arm ), if symptoms persist or if any other factor causes concern.

Severe headache, restlessness, irritability, loss of appetite, body aches, severe abdominal pain, nausea and vomiting, tremors, and even stronger and more intense drug craving appear as the syndrome progresses.

Severe symptoms include severe increases in heart rate and blood pressure that may lead to shock.

Severe hyperkalemia will cause changes in cardiac electrophysiology, which, if severe, can result in asystole.

* Severe: Four hour delay associated with severe impairment.

* Severe neutropenia ( ANC < 500 ) — severe risk of infection.

* Severe respiratory failure – Benzodiazepines, including lorazepam, may depress central nervous system respiratory drive and are contraindicated in severe respiratory failure.

Severe side effects may be experienced when consuming metaxalone, such as severe allergic reactions ( rash, hives, itching, difficulty breathing, tightness in the chest, swelling of the mouth, face, lips, or tongue ), chills, fever, and sore throat, may require medical attention.

Usually if a severe thunderstorm is producing weak rotation, it will only be a Severe Thunderstorm Warning ; however, the public will usually be advised that this rotation has been detected, and the storm should be watched closely.

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 thalassemia: Patients with severe thalassemia require medical treatment and a blood transfusion regimen was the first measure effective in prolonging life.

Severe allergic reactions to fire ant stings, including severe chest pain, nausea, severe sweating, loss of breath, serious swelling, and slurred speech, can be fatal if not treated.

* Severe ( red ): severe risk

On April 25, 1991, the National Severe Storms Forecast Center, now called the Storm Prediction Center, forecast a high risk of severe weather for the following day.

Conditions were ripe for severe thunderstorm development, and with both low level and high level steering winds from the west-northwest, the National Severe Storms Forecast Center issued a Severe Thunderstorm Watch for northern Illinois valid 1: 30 p. m. through 8: 00 p. m. CDT that night.

Severe damage also occurred to stacks of hay and corn, resulting in severe starvation among livestock in the months following the storm.

At 10AM on 11 May 1970, the SELS ( Severe Local Storms unit ) issued an outlook that stated that isolated thunderstorms were possible in the High Plains region of West Texas, and amended the outlook at 1: 25 PM to include the possibility that some of the storms may become severe.

* Severe — All three facial features ranked independently as severe ( lip ranked at 4 or 5, philtrum ranked at 4 or 5, and PFL two or more standard deviations below average ).

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.

The meteorology department offers classes such as Severe Weather Lab, Mesoscale Meteorology, and Severe and Unusual Weather to help train students to both chase and forecast severe weather events.

* Severe ( SVR ), as in severe thunderstorm or severe thunderstorm warning

Severe stresses occur within the engine and aircraft particularly from the intense aerodynamic buffeting within the compressor.

Severe weather warnings are issued for hail when the stones reach a damaging size, as it can cause serious damage to human-made structures and, most commonly, farmers ' crops.

Severe damage was sustained during launch and deployment, including the loss of the station's micrometeoroid shield / sun shade and one of its main solar panels.

Severe ecological damage to the environment occurred during the post-Second World War time of communist governance in the People's Republic of Poland, but recent changes in regulations, procedures and policies of Polish government since the fall of Communism have reversed much of the harm that was done.

Severe damage was inflicted on the Colosseum by the great earthquake in 1349, causing the outer south side, lying on a less stable alluvional terrain, to collapse.

Severe damage to the hippocampus in both hemispheres results in profound difficulties in forming new memories ( anterograde amnesia ), and often also affects memories formed before the damage ( retrograde amnesia ).

Severe ( but ancient ) damage to the mast-step of the ship may be the reason why the vessel was brought into Newport for repair.

Severe damage was sustained during Skylab launch and deployment, resulting in the loss of the station's micrometeroid shield / sun shade and one of its main solar panels.

" Severe damage was caused.

Severe damage also occurred in the eastern region of Santo Domingo.

Severe flash floods from the associated storms also produced millions of dollars in damage across the region.

Severe cases can result in cell damage and death, with effects most often seen in the central nervous system, lungs and eyes.

Severe winds during storms can also cause damage, especially in the highlands.

Severe property damage was caused, particularly in Connacht, but also in Ulster and northern Leinster.

Severe structural damage occurred over the entirety of the township, the main damage being a portion of houses losing roofs and windows and the cyclone rendered even more homes structurally unsound.

Severe damage was done to crops and plantations ( mainly bananas ) which had a serious economic impact on the region.

Severe flooding on the river in 1993, as part of the larger floods in region, caused widespread damage to the surrounding cropland.

Severe crop damage also occurred, especially to bananas and sugar cane.

Severe hypoglycemia may result in seizures, coma, and permanent neurological damage.

Severe damage to similar forts on the Atlantic Coast during the war-Fort Sumter in South Carolina and Fort Pulaski in Georgia-challenged the effectiveness of masonry walls against rifled artillery.

; Impact on radiological barriers and control: Severe damage to reactor core.