Weather
A meteorologist predicted clear, sunny skies. Which weather data most likely helped her make this prediction?
a. an increase in air pressure
b. a change in wind direction
c. an increase in precipitation
d. a decrease in temperature
An increase in air pressure
What is precipitation?
Any form of water that falls from the sky
Rainy, cloudy, overcast weather represents what type of air pressure?
Low pressure
Sunny, calm, fair, clear weather
Tuesday: Temperature 65 F, Precipitation 0.0 in
Wednesday: Temperature 74 F, Precipitation 2.0 in
Thursday: Temperature 72 F, Precipitation 1.0 in
Friday: Temperature 67 F, Precipitation 0.0 in
On which day did the most rain fall in the city?
What is evaporation?
The sun heats up water in the ocean, lakes, and soil and turns it into water vapor.
Moderate, fair, clear, mild weather represents what type of air pressure?
High pressure
What weather will North Carolina get in a few days?
Rain for multiple days
Which three weather conditions indicate a severe storm
- Clear skies
- Dark cloudy skies
- A rise in air pressure
- A drop in air pressure
- Increased wind speed
- Decreased wind speed
Dark cloudy skies, a drop in air pressure, increased wind speed
What is transpiration?
Water from plants evaporates
True or False:
High and Low pressure are associated with temperature
False
Measurement
8:00 am
10:00 am
1:00 pm
Wind Speed (mph/hr)
5
10
15
Temperature (F)
65
62
50
Barometric Pressure (inches hg)
29.5
30.5
33.2
Relative Humidity(%)
85
73
50
What kind of weather can likely be expected for midafternoon?
What could have caused this?
Clear skies with cooler temperatures
Cold Front
The local weather forecast shows low pressure moving into the area. What type of weather should be exprected?
a cloudy and rainy day
What is condensation?
Water vapor that cools down and turns back into water or water droplets
A cold front is predicted to move into North Carolina within the next few days, what type of air pressure should be exprected?
Blue Triangles
Cold Front
An area had precipitation in the morning and also in the evening. The air temperature was 30 F in the morning and 59 F in the evening. Which most likely describes the types of precipitation?
Snow in the morning and rain in the evening
What is runoff?
The process where water gathers and in stored in large bodies of water or after precipitation, running off the land.
Precipitation: (A.M) 0.0 in (P.M.) 2.0 in
Temperature: (A.M.) 74 F (P.M.) 56 F
Humidity: 54%
Wind Speed: 15 mph
Had the air pressure increased or dropped?
Dropped
Red Semi-circles
Warm Front