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Severe thunderstorm warning (SVR) – A severe thunderstorm is indicated by Doppler weather radar or sighted by Skywarn spotters or other persons, such as local law enforcement. A severe thunderstorm contains large damaging hail of 1 inch (2.5 cm) in diameter or larger, and/or damaging winds of 58 mph (93 km/h) or greater.
Tornado warning. A tornado warning ( SAME code: TOR) is a public warning that is issued by weather forecasting agencies to an area in the direct path of a tornado, or a thunderstorm capable of producing one, and advises individuals in that area to take cover. Modern weather surveillance technology such as Doppler weather radar can detect ...
Stroke symptoms may seem to come on suddenly, but there may be warning signs in some situations. A severe headache, or any unusual type of headache, is one potential warning sign of a stroke ...
A severe thunderstorm warning indicates the warned area is in impending danger from hail or wind speeds meeting warning criteria as well as from lightning and hydrological impacts associated with the storm cell. Severe thunderstorms can and do produce tornadoes without warning. [2] While not all severe thunderstorms produce tornadoes, they can ...
Dizziness, drowsiness, trouble sleeping, and confusion can increase the risk of falling. During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits ...
Learn about side effects, warnings, dosage, and more. Memantine oral tablet is a prescription medication used to treat moderate to severe dementia caused by Alzheimer’s disease.
Asthma is an inflammatory lung disease that can cause mild to severe symptoms. In most cases, avoiding triggers, taking daily medications, and using other treatment options can help you manage ...
Anaphylaxis Signs and Symptoms. Most anaphylactic reactions have signs or symptoms in two or more areas of the body. Signs are problems that someone notices. Symptoms are what a person is feeling ...