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2. Threat of severe weather prompts early school dismissals ...

   www.aol.com/threat-severe-weather-prompts-early...

   Due to today's impending weather, and out of an abundance of caution, all after school activities for today are canceled. This includes all games, practices, off-season workouts, and facility ...

3. It's freezing outside, who makes the call to close Central ...

   www.aol.com/news/freezing-outside-makes-call...

   The district's website says leaders decide whether to close or not based on a variety of factors, including the weather forecast, wind chill, and consultations with other districts and city and ...

4. Conditions expected to improve after bad weather disrupts ...

   www.aol.com/conditions-expected-improve-bad...

   Conditions are expected to improve this week after bad weather caused disruption during the Christmas getaway period. The Met Office has forecast a “grey Christmas” with some sunny spells and ...

5. List of severe weather phenomena - Wikipedia

   en.wikipedia.org/wiki/List_of_severe_weather...

   Severe weather can occur under a variety of situations, but three characteristics are generally needed: a temperature or moisture boundary, moisture, and (in the event of severe, precipitation-based events) instability in the atmosphere.

6. Severe thunderstorm warning - Wikipedia

   en.wikipedia.org/wiki/Severe_thunderstorm_warning

   In Canada, a severe thunderstorm is defined as having wind gusts of greater than 90 km/h (56 mph), hail with a diameter of greater than two centimetres (0.79 in), rainfall rates of greater than 50 millimetres (2.0 in) in one hour or greater than 75 millimetres (3.0 in) in three hours, or tornadoes. [14]

7. Particularly dangerous situation - Wikipedia

   en.wikipedia.org/wiki/Particularly_dangerous...

   PDS Special marine warnings are issued by the National Weather Service to inform mariners of weather conditions that present a considerable threat to life and property. On April 19, 2018, the Baltimore / Washington, D.C. forecast office upgraded a special marine warning to PDS status as a gust front approached Chesapeake Bay .

8. School delays and closures: How superintendents decide to ...

   www.aol.com/weather/school-superintendent...

   A worker clears snow off school buses, after schools were closed due to a storm, in Manchester, N.H., Monday, Feb. 13, 2017. Another winter blast of snow and strong winds moved into the Northeast ...

9. Severe weather terminology (United States) - Wikipedia

   en.wikipedia.org/wiki/Severe_weather_terminology...

   A Short-Term Forecast NOW (alt., NOWcast) is an event-driven narrative outlook of near-term weather conditions within the Weather Forecast Office’s area of responsibility, typically valid for a three- to seven-hour period. The product outlines any ongoing or recently occurring conditions—based on radar analysis, satellite imagery and other ...