Lab_3_FA23-1 (1)

.docx

School

University of Illinois, Urbana Champaign *

*We aren’t endorsed by this school

Course

120

Subject

Geography

Date

Dec 6, 2023

Type

docx

Pages

Uploaded by ProfessorFlowerLoris27

ATMS 120: Fall2023 Name and NetID: Abby Pritz Lab #3: Satellite and Radar Analysis Due Tuesday, September 19, 2023 @ 11:59PM Part #1 Satellites and Weather Radar Matching – 1 point each Answer the following questions by selecting from the list below: 1. Infrared Satellite Imagery 2. Visible Satellite Imagery 3. Radar Reflectivity Imagery 4. Radar Radial Velocity Imagery 1. I am at Opening Day for the Chicago Cubs and weather reports from the morning hinted at the possibility of rain during the game. What type of imagery would I monitor to know if the game could be delayed by rain? Radar Reflectivity Imagery 2. It is 2AM local time in the Philippines and Super Typhoon Mangkhut is offshore by 300 miles and heading toward my city. What type of imagery would I use to examine the size and extent of Super Typhoon Mangkhut in this situation? Radar Reflectivity Imagery 3. It is the middle of the night and my phone wakes me up altering me of a tornado warning for my location. What type of imagery would I examine to see if there was strong rotation within the storm approaching my location? Radar Radial Velocity Imagery 4. It is a clear day at noon after a large winter storm blanketed the Midwest with snow. What type of imagery would I look at to determine the how much of the ground is covered in snow? Visible Satellite Imagery 5. What type of imagery would allow me to estimate rainfall rates associated with a hurricane? Radar Reflectivity Imagery Part #2 New Polar Orbing Satellite – 5 points © 2023 Dept. of Atmospheric Sciences, University of Illinois-Urbana Champaign

ATMS 120: Fall2023 You have been placed in charge of a team of scientists at NASA to launch a new polar orbiting satellite to track aerosols released during wildfires. The new satellite will follow a sun-synchronous, polar orbit at an altitude of 705 km above Earth’s surface. It will complete one orbit around Earth every 101 minutes and provide spectacular high resolution satellite imagery of Earth’s surface and atmosphere. Please solve for the orbital velocity (in mph) of your satellite in its circular orbit around Earth. (Show all of your work.) Things you need to know: 1. Earth’s radius is 6,370 km 2. The satellite is 705 km from Earth’s surface 3. The orbit is circular and it takes 101 minutes to complete one orbit. (2pi x radius)/time period Radius=6370 km+705 km=7075 km=4396.201 miles 101 minutes=1.683 hours (2pi x 4396.201)/1.683=16412.445 mph The orbital velocity of the satellite in its circular orbit around Earth is 16412.445 mph. Part #3 Two Satellite Images – 1 point each Please use these two satellite images to answer the following questions. 1. Please identify which image is a visible satellite image and which is an infrared satellite image. Briefly explain how you arrived at your answer. © 2023 Dept. of Atmospheric Sciences, University of Illinois-Urbana Champaign

ATMS 120: Fall2023 The image on the right is an infrared satellite image because it has varied colors, which represent different temperatures. The one on the left is the visible satellite image because it does not have colors and is more accurate as to the lightness/darkness of the globe. 2. Why can we see clouds over the US on the image on right, but we can’t see them in the left image? We can’t see clouds over the US on the image on the left because it is nighttime, and visible satellite imagery cannot see anything that we ourselves cannot see at night, like clouds. On the other hand, infrared satellite imagery can. 3. What type of orbit was the satellite in that took these images? Geosynchronous 4. What time of day was it in Illinois when these images were made (i.e., morning, midday, etc.)? It was nighttime when these images were made. 5. Do you think these images were taken during the Northern Hemisphere spring or fall? I think these images were taken during the Northern Hemisphere spring. Part #4 Cloud Top Temperature – 7 points Thermal infrared (IR) satellites measure cloud top temperatures with a high degree of accuracy. On the morning of February 7, 2018, a satellite measured a radiance of 3.648 W/m 2 /micrometer at the top of thunderstorm clouds over west-central Georgia. Use this value and the equation below to solve for the temperature at the top of these thunderstorm clouds. Then, use the sounding on the next page to find the height of the top of the clouds by finding the altitude (on the y-axis of the sounding) that matches the temperature in °C you solved for using the equation below. Convert the height from km to feet. How high above the ground were to tops of these thunderstorm clouds? Show all your work. (1.44x10^4)/10.5xln(((3.74x10^8 W/m^2/micrometer^4)/10.5^5 x 3.648 W/m^2/micrometer)+1)= 204.998 K  68.152 C The tops of these thunderstorm clouds were ~250 km above the ground. T = C 2 λ *ln [ C 1 λ 5 ∗ E + 1 ] E = radiance measured by the satellite = 3.648 W/m 2 /micrometer © 2023 Dept. of Atmospheric Sciences, University of Illinois-Urbana Champaign

Your preview ends here

Eager to read complete document? Join bartleby learn and gain access to the full version

Access to all documents
Unlimited textbook solutions
24/7 expert homework help