Predict Weather Patterns - Middle School Earth and Space Science
Card 1 of 25
What short-term weather is most likely near a stationary front that remains in place?
What short-term weather is most likely near a stationary front that remains in place?
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Cloudy conditions with prolonged light precipitation. Neither air mass advances, creating persistent weather.
Cloudy conditions with prolonged light precipitation. Neither air mass advances, creating persistent weather.
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What short-term weather is most likely near an occluded front in a mature low-pressure system?
What short-term weather is most likely near an occluded front in a mature low-pressure system?
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Widespread clouds and precipitation, often with cooler air. Cold front catches warm front, lifting all warm air aloft.
Widespread clouds and precipitation, often with cooler air. Cold front catches warm front, lifting all warm air aloft.
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Which forecast is more uncertain: $50%$ chance of snow or $95%$ chance of snow?
Which forecast is more uncertain: $50%$ chance of snow or $95%$ chance of snow?
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$50%$ chance of snow. Equal chances of snow/no snow shows maximum uncertainty.
$50%$ chance of snow. Equal chances of snow/no snow shows maximum uncertainty.
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If the chance of rain is $30%$, what is the chance of no rain (assume only these outcomes)?
If the chance of rain is $30%$, what is the chance of no rain (assume only these outcomes)?
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$70%$. Complementary probabilities must sum to $100%$.
$70%$. Complementary probabilities must sum to $100%$.
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Which wind shift most often signals a cold front passage: from S to NW or from E to SE?
Which wind shift most often signals a cold front passage: from S to NW or from E to SE?
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From S to NW. Cold fronts typically shift winds from south to northwest.
From S to NW. Cold fronts typically shift winds from south to northwest.
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What short-term weather change is most likely when barometric pressure is rising steadily?
What short-term weather change is most likely when barometric pressure is rising steadily?
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Clearing skies and a lower chance of precipitation. Rising pressure indicates approaching high pressure system.
Clearing skies and a lower chance of precipitation. Rising pressure indicates approaching high pressure system.
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What is the name of the boundary where warm air advances over cooler air?
What is the name of the boundary where warm air advances over cooler air?
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Warm front. Less dense warm air gradually rises over cooler air.
Warm front. Less dense warm air gradually rises over cooler air.
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What is the name of the boundary where a cold air mass advances into warm air?
What is the name of the boundary where a cold air mass advances into warm air?
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Cold front. Dense cold air pushes under and lifts warmer air.
Cold front. Dense cold air pushes under and lifts warmer air.
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Which cloud type most strongly signals a higher probability of thunderstorms soon?
Which cloud type most strongly signals a higher probability of thunderstorms soon?
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Cumulonimbus. These towering clouds indicate strong vertical development.
Cumulonimbus. These towering clouds indicate strong vertical development.
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What short-term weather change is most likely when wind speed increases quickly near a boundary?
What short-term weather change is most likely when wind speed increases quickly near a boundary?
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A front is near; higher chance of changing weather and precipitation. Frontal boundaries create pressure differences and instability.
A front is near; higher chance of changing weather and precipitation. Frontal boundaries create pressure differences and instability.
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Identify the likely front if wind shifts from south to west and temperature drops quickly.
Identify the likely front if wind shifts from south to west and temperature drops quickly.
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Cold front passage. This wind shift pattern indicates cold air replacing warm air.
Cold front passage. This wind shift pattern indicates cold air replacing warm air.
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What short-term weather change is most likely as a warm front arrives at your location?
What short-term weather change is most likely as a warm front arrives at your location?
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Increasing clouds and steady light precipitation. Warm fronts bring gradual changes with steady rain.
Increasing clouds and steady light precipitation. Warm fronts bring gradual changes with steady rain.
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What does a forecast of 70% chance of precipitation mean for your location and time?
What does a forecast of 70% chance of precipitation mean for your location and time?
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Rain is expected in $70%$ of similar situations at that place and time. Probability based on historical data for similar weather conditions.
Rain is expected in $70%$ of similar situations at that place and time. Probability based on historical data for similar weather conditions.
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Which probability is higher: 40% chance of rain or 0.40 probability of rain?
Which probability is higher: 40% chance of rain or 0.40 probability of rain?
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Neither; $40%$ equals $0.40$. Percentages and decimals represent the same probability value.
Neither; $40%$ equals $0.40$. Percentages and decimals represent the same probability value.
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What short-term weather change is most likely when barometric pressure is falling quickly?
What short-term weather change is most likely when barometric pressure is falling quickly?
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Increasing clouds and a higher chance of precipitation. Falling pressure indicates approaching low pressure system.
Increasing clouds and a higher chance of precipitation. Falling pressure indicates approaching low pressure system.
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Which pressure system is most associated with clear, fair weather: high or low?
Which pressure system is most associated with clear, fair weather: high or low?
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High pressure. Sinking air in high pressure prevents cloud formation.
High pressure. Sinking air in high pressure prevents cloud formation.
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Which pressure system is most associated with clouds and precipitation: high or low?
Which pressure system is most associated with clouds and precipitation: high or low?
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Low pressure. Rising air in low pressure systems cools and forms clouds.
Low pressure. Rising air in low pressure systems cools and forms clouds.
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What is the most likely weather outcome when the chance of precipitation is 20%?
What is the most likely weather outcome when the chance of precipitation is 20%?
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No precipitation is most likely. With $80%$ chance of no rain, dry conditions are more probable.
No precipitation is most likely. With $80%$ chance of no rain, dry conditions are more probable.
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What is the most likely weather outcome when the chance of precipitation is 80%?
What is the most likely weather outcome when the chance of precipitation is 80%?
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Precipitation is most likely. When probability exceeds $50%$, that outcome is more likely than not.
Precipitation is most likely. When probability exceeds $50%$, that outcome is more likely than not.
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What is the correct definition of air pressure in weather observations?
What is the correct definition of air pressure in weather observations?
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Force per unit area from the weight of the air. Air molecules create downward force due to gravity.
Force per unit area from the weight of the air. Air molecules create downward force due to gravity.
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What does a rapidly dropping dew point most likely indicate about near-future precipitation chances?
What does a rapidly dropping dew point most likely indicate about near-future precipitation chances?
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Lower chance of precipitation due to drier air. Lower moisture content reduces precipitation potential.
Lower chance of precipitation due to drier air. Lower moisture content reduces precipitation potential.
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What short-term weather is most likely ahead of and during a warm front passage?
What short-term weather is most likely ahead of and during a warm front passage?
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Increasing layered clouds and steady light precipitation. Warm air rises slowly over cold, producing steady rain.
Increasing layered clouds and steady light precipitation. Warm air rises slowly over cold, producing steady rain.
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Which evidence most increases the probability of thunderstorms: towering cumulonimbus or thin cirrus?
Which evidence most increases the probability of thunderstorms: towering cumulonimbus or thin cirrus?
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Towering cumulonimbus clouds. Cumulonimbus clouds produce thunderstorms; cirrus don't.
Towering cumulonimbus clouds. Cumulonimbus clouds produce thunderstorms; cirrus don't.
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What short-term weather is most likely as a cold front passes a location?
What short-term weather is most likely as a cold front passes a location?
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Brief heavy rain or storms, then cooler and drier air. Cold fronts lift warm air rapidly, causing intense precipitation.
Brief heavy rain or storms, then cooler and drier air. Cold fronts lift warm air rapidly, causing intense precipitation.
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Which probability is higher: $30%$ chance of rain or $60%$ chance of rain?
Which probability is higher: $30%$ chance of rain or $60%$ chance of rain?
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$60%$ chance of rain. $60%$ is greater than $30%$, indicating higher likelihood.
$60%$ chance of rain. $60%$ is greater than $30%$, indicating higher likelihood.
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