Tag Archives: glossary

Drought Defined

A drought is a period of drier-than-normal conditions that results in water-related problems. When rainfall is less than normal for several weeks, months, or years, the flow of streams and rivers declines, water levels in lakes and reservoirs fall, and the depth to … Read More…

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How is wind chill calculated (wind chill formula)

The wind chill temperature is calculated using the following formula: Windchill (F) = 35.74 + 0.6215T – 35.75(V^0.16) + 0.4275T(V^0.16) Where: T = Air Temperature (F) V = Wind Speed (mph) ^ = raised to a power (exponential) More about wind chill: Download … Read More…

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What is Hypothermia?

Hypothermia occurs when body temperature falls below 95 degrees Fahrenheit. Visible warning signs include uncontrollable shivering, memory loss, disorientation, incoherence, slurred speech, drowsiness, and exhaustion. The U.S. governments Occupational Safety & Health Administration (OSHA) recommended steps for a person suffering from hypothermia: Call … Read More…

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What is frostbite?

Frostbite is freezing of the skin and underlying tissues. The lower the temperature, the quicker frostbite will occur. Frostbite typically affects the extremities, particularly the feet, toes, hands, fingers, ear lobes, or tip of the nose. The U.S. government’s Occupational Safety & Health … Read More…

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Wind Chill Chart

Wind chill temperature is a measure of the combined cooling effect of wind and temperature. As wind increases, heat is carried away from the body at a faster rate, driving down both the skin temperature and eventually the internal body temperature. The Wind … Read More…

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Criteria for High Wind Warning

A High Wind Warning is sustained surface winds exceeding 40 mph (≥35 kts) for at least 1 hour; or any gusts exceeding 58 mph (≥50 kts) , predicted or occurring for an unspecified period of time. More Weather Glossary Terms: High Wind Advisory … Read More…

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Criteria for High Wind Advisory

A High Wind Advisory is sustained surface winds 31-39 mph (27-34 kts) for at least 1 hour; or any gusts to 46-57 mph (40-49 kts), predicted or occurring for an unspecified period of time. More Weather Glossary Terms: High Wind Advisory High Wind Warning … Read More…

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Glossary of Weather Terms – Beginning with “Z”

Jump to weather terms beginning with the letter: A | B | C | D | E | F | G | H | I | J | K | L | M N | O | P | Q | R | … Read More…

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Glossary of Weather Terms – Beginning with “Y”

Jump to weather terms beginning with the letter: A | B | C | D | E | F | G | H | I | J | K | L | M N | O | P | Q | R | … Read More…

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