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  • Q1:1. What month is windiest in San Marcos? Why do you think that is?See Answer
  • Q2:2. Which month has the most diverse patterns for prevailing winds? (aka, which month has winds blowing from the most directions?)See Answer
  • Q3: 7:51 < Back File Types pdf, docx, doc, png, jpg, or gif Submission & Rubric Assignment Details Description Homework 3: Weather Systems Analysis You may work in groups of up to 10 team members. One team member will turn in the homework assignment with EACH team member's name and student ID number ◄ Previous GEO.1305.004 displayed on the first page. You can turn in the assignment by typing directly into this word document or by creating a new one. If you cannot access Microsoft Word at this time, please use another open source program and turn in your answers via .pdf. Dashboard 000 Submit Assignment Calendar 2 To Do Notifications Next Inbox 7:51 < Back GEO 1305 Meteorology: HW 3 Fall 2022: This file is for student use only. Do not share online. Homework 3: Weather Systems Analysis GEO 1305 HW 3 2022.docx You may work in groups of up to 10 team members. One team member will turn in the homework assignment with EACH team member's name and student ID number displayed on the first page. You can turn in the assignment by typing directly into this word document or by creating a new one. If you cannot access Microsoft Word at this time, please use another open source program and turn in your answers via .pdf. You could use Google Docs, or Microsoft Word online, which are both collaborative programs so that each of your team members can work on the document together! Homework 3: Student Names (up to 10 students per group) 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Part 1: The Troposphere NOAA's Storm Predicition Center (https://www.spc.noaa.gov/obswx/maps/) produces daily objectivly analyzed maps for the surface and for different pressure heights from 925 mb to 250mb for the continental USA. There are certain "slices" of the troposphere that meteorologists monitor most frequently. They are the surface, and then different pressure heights of 850 mb, 700 mb, 500 mb, and 300 mb (or 200 mb). Why are these slices monitored and not others more frequently? Here's the answer: the surface is obviously important because it gives information on the weather that we are experiencing at the surface of the planet. The 850 mb level represents the top of the planetary boundary layer (for low elevation regions). The 500 mb level is important because it is very near the level of non-divergence. This allows for an efficient analysis of vorticity. The 500 millibar level also represents the level where about one half of the atmosphere's mass is below it and half is above it. Either the 200 or 300 mb chart can be used to assess the jet stream. In winter, the 300 mb short warlza hast and in the summor the 200 mh short wala hat Dashboard 000 Calendar To Do Notifications Inbox 7:51 Back GEO 1305 HW 3 2022.docx emerent analysis of vorticity. The 300 minbar lever also represents the level where about one half of the atmosphere's mass is below it and half is above it. Either the 200 or 300 mb chart can be used to assess the jet stream. In winter, the 300 mb chart works best and in the summer the 200 mb chart works best for analyzing the core of the jet. Surface and Upper Air Maps Today's Maps The 00z maps are produced at 01z using the available upper air data with a first guess from the 18z NAM 6-hour forecast for the objective analysis. The 12z maps are produced at 13z using the 062 NAM 6-hour forecast as a first guess for the objective analysis. If the 182 or 06z NAM runs are unavailable, a first guess from the 12-hour foreacst of the 002 or 12z NAM is used. Errors may result if NAM model data is not available, or if sounding data is late or erroneous Objectively analyzed maps 002: Surface 925 mb 850 mb 700 mb 500 mb 300 mb 250 mb 12Z: Surface 925 mb 850 mb 700 mb 500 mb 300 mb 250 mb Loop: 1-day 1-day 1-day 1-day 1-day 1-day 1-day Loop: 3-day 3-day 3-day 3-day 3-day 3-day 3-day Loop: 7-day 7-day 7-day 7-day 7-day 7-day 7-day Explore the maps you find at https://www.spc.noaa.gov/obswx/maps/. You can use the current day's maps, or if NOAA is reporting a data error, use the previous days maps from the Map Archive. Answer the questions below (2 points each) using the maps from NOAA and what you know about the troposphere. You will need to provide screenshots of maps (There are many ways to take screenshots, here are a few: Windows-PrtScn, Mac-Shift- Command-4, Chromebook-Shift + Ctrl + Show windows) Q1: In your own words, explain how you think upper air maps are created (use 1-2 complete sentences). (Hint: how is upper air data collected?) Q2: The objectively analyzed maps on this website are organized into the following categories: 00Z, 12Z, and 1, 3, and 7 day loops. What do 00Z and 12Z mean? Why are these terms used? (1-2 sentences) Q3: Look at the wind speed and direction for the Surface, 500 mb, and 250 mb heights (either at 00Z or 12Z). Take a screenshot of these three plots and paste them below with your answer (please resize the screenshots to look at the two maps and compare them). What features and wave patterns do you see? Q4. In order to visualize the polar front Jet Stream, which map would you use? Paste a screenshot below of the map that best shows the polar front Jet Stream. Describe in 1-2 sentences where the polar front Jet Stream is located on the map, and why. Dashboard Q5. Do some research online and think about what you already know about the Jet Stream. In 3-4 original sentences, explain how the jet stream is related to the formation of Winter Storm 000 Calendar 2 To Do Notifications Inbox 7:51 < Back used? (1-2 sentences) Q3: Look at the wind speed and direction for the Surface, 500 mb, and 250 mb heights (either at 00Z or 12Z). Take a screenshot of these three plots and paste them below with your answer (please resize the screenshots to look at the two maps and compare them). What features and wave patterns do you see? Q4. In order to visualize the polar front Jet Stream, which map would you use? Paste a screenshot below of the map that best shows the polar front Jet Stream. Describe in 1-2 sentences where the polar front Jet Stream is located on the map, and why. Q5. Do some research online and think about what you already know about the Jet Stream. In 3-4 original sentences, explain how the jet stream is related to the formation of Winter Storm Uri which descended on Texas in February 2021. Cite your sources! Part 2: Tropical Systems The National Oceanic and Atmospheric Administration provides a database historical hurricane tracks. Access https://coast.noaa.gov/hurricanes and search hurricanes by basin. Type in "North Atlantic Ocean Basin" in the search bar. 10 HISTORICAL THOS Let's find a hurricane you're interested in. QIH You will see a very busy map pop up! So let's try to search the following years one at a time: 2017, 2018, 2019, 2020, 2021.... HISTORICAL HURRICANE TRACKS GEO 1305 HW 3 2022.docx Year (Newest) SANDRA 2021 Dashboard TERRY 2021 TROPICAL STO WANDA 2021 C5 2001 RICK 2021 2001. Q 2025 Sº CATEGORY North Pacific Ocean OFESIO 000 PAMELA 2021 Answer the discussion questions below (2 points each) using 2-3 complete sentences each. Calendar MRN 8231 Q1. Why do hurricanes move in the direction that they do? Q2: Do any of the hurricanes from 2016-2020 seasons NOT fit the pattern? Why? Q3: How does the wind speed change as each hurricane moves across the ocean and across land? 2 FAM To Do LEGEND Notifications BADEMA Inbox 7:51 < Back 10 Let's find a hurricane you're interested in. G You will see a very busy map pop up! So let's try to search the following years one at a time: 2017, 2018, 2019, 2020, 2021.... HISTORICAL HURRICANE TRACKS Year (Newest) HIPEALEUR SANDRA 2021 2016 TERRY 2021 2012 WANDA 2021 C2220 GEO 1305 HW 3 2022.docx Dashboard RICK 2021 a 2021 S North Pacific Ocean PAMELA 2021 Answer the discussion questions below (2 points each) using 2-3 complete sentences each. PORN NORT Q1. Why do hurricanes move in the direction that they do? Q2: Do any of the hurricanes from 2016-2020 seasons NOT fit the pattern? Why? Q3: How does the wind speed change as each hurricane moves across the ocean and across land? 000 FAM 201 Q4: Are hurricanes becoming more frequent with each passing decade? You may need to do some research to fully answer this question. Why or why not? Q5: How do hurricanes seasons relate with ENSO cycles? Calendar Part 2B: Pick a Category 4 or 5 hurricane that has made landfall in the United States. (check out our lectures for details on Cat 4 or 5 hurricanes. Search for this hurricane on NOAA's database. https://coast.noaa.gov/hurricanes/ and provide a screenshot of the hurricane track on this document: 2 LEGEND BASEMA 000000000 To Do Q6: What hurricane did you choose? Do a little additional research on this hurricane and write a well cited summary (2-3 paragraphs with at least two sources provided) on your Cat 4 or 5 hurricane describing when and where it made landfall, how much damage occurred, how many places it affected, and any other interesting or relevant information. (5 points) GEO 1305 Meteorology: Fall 2021 Notifications Marian H InboxSee Answer
  • Q4:Degrees Celsius 26 25 24 23 22 21 20 19 140°E 150°E 160°E 170°E 100% 180 100″E 170 W 160 W 150°W 140 W 130 W 120W 110 W 100 W 90°W Degrees Longitude 140″W Answer the following questions by typing into the text box or uploading your written answers. Use the graphs above, your knowledge from lecture, and any other reputable sources on the internet (NOAA, NASA, or NWS, for example) to answer the three questions below. Q1. Did an El Niño event occur during the winter of 2015? Q2: Using what we learned in class, what could have caused the crabs to appear along the beaches of California? Q3: What kind of evidence backs up your claim for Q1 and Q2? Include specific data and observations from the graphs & maps you observed using 3-4 sentences./nwas.txstate.edu/courses/1960908/assignments/26613066 cements ments ons S Button rations Degrees Celsius = ARRA A Degrees Celsius A X 22 R 19 125 E 31 30 29 28 27 26 25 24 23 22 21 20 140 E 19 Temperature at the Equator (Normal Year) 165 E 180 140 E 165 W 140″ W Degrees Longitude سیر 150 E 160°E **** *** 170°E 125 W 100 W 180 85 W ** ****** *********** ****** 70″W Degrees Celsius 31 Degrees Longitude 30 ************ 29 Observe the line graph of sea surface temperature data from December 2015 below. Notice how temperature changes along one line of latitude, in this case along the equator, during December 2015. 28 27 26 25 24 23 22 21 Sea Surface Temperature at the Equator, December 2015 20 19 125°E 140°E 165°E Temperature at the Equator (El Niño Year) 180 170 W 160 W 150 W 140 W 130 W 120 W 110 W 100 W 165°W 140 W 90°W 125 W 100 W 85°W 70°W/nX nts + state.edu/courses/1960908/assignments/26613066 This Activity was developed using data and scenarios from UCAR and NOAA. You can learn more about El Nino and these datasets here, but you do not need to use this website to complete the activity. Think through the scenario below and answer the questions using data and what know know about ENSO. Degrees Celsius Scenario: It's the winter of 2015. The waters along the coast of California are unusually warm. Huge numbers of pelagic red crabs that are typically common in the warmer waters off the coast of Mexico are now washing up along beaches of California. Have the warmer surface waters in California brought this sub-tropical species northward? Could these observations be the result of an El Niño Event? Your job today is to try to find out - using data. During a normal year, the temperature difference between warm water in the west and cooler water in the east is evident in the slope of the line on Temperature Plot A (on the left). During an El Niño year, the area of high temperature can be seen extending farther to the east than in a typical year, as is shown on Temperature Plot B (on the right). The temperature difference from west to east may also be smaller during an El Niño year. Temperature at the Equator (El Niño Year) 30 29 28 27 26 25 24 23 22 21 20 19 125 E 140 E Temperature at the Equator (Normal Year) 165 E 180 16534 Vinay 100AE Degrees Celsius 30 29 28 27 26 25 24 23 22 21 20 **** □ ✩ PSee Answer
  • Q5: Surface Station Model (9 points): Plot the following weather data, from Republic Airport in Farmingdale, NY at 19:53 Z (3:53 PM EDT) on 03 May 2001, onto the surface station model below. Temperature (T) = 82°F Dew Point Temperature (Td) = 57°F Wind speed = 10 knots Wind direction = Northeast or 45° pressure 1020.3 mb Sea level Pressure change = 2.3 mb Pressure Tendency = SSR Visibility = 8 miles Sky Coverage Total = 0/8 Present weather = None = o Pressure Conversion (2 Points): You must show all of your work in the space provided in order to receive full credit for this problem. Round your final answer so that there is only one digit after the decimal point. Circle your final answer along with its appropriate unit. Conversion Factor: 1 in.of Hg = 33.86395 millibars Convert the pressure of 30.07 inches of mercury into millibar's: Decoding a METAR Report (1Point each): Given the following METAR report: KLGA 170851Z 18010G25KT 1/4SM +RA OVC080 07/07 A2993 RMK P0014 Use the METAR Abbreviations Table to decode the following information from the METAR report above. Be sure to include the proper unit, if necessary, as a part of your answer. Failure to write down the proper unit, when necessary, will cause you to get that problem wrong. Write the letters "N/A" if the requested information was not present in the METAR code. Leaving a question blank will cause you to get that question wrong. 1. Country in which the observation was taken 2. Location at which the observation was taken 3. Day of the month the observation was taken 4. Time of the observation in Eastern Standard Time (EST) 5. Temperature_ 6. Dew-Point Temperature_ 7. Air Pressure 8. Present Weather 9. Wind Direction 10. Sustained Wind Speed_ 11. Wind Gusts 12. Cloud Height: Low 13. Cloud Coverage: Low_ 14. Visibility 15. Amount of liquid precipitation in the last hour Middle Middle High High Code + (no symbol) ACC A02 AO1 AUTO B BKN BL BR CA CB CBMAM сс CG CIG CLR CONS DR DS DSIPTG DSNT DU DZ FC FEW FG FRQ FROPA FT FU FZ G GR GS HZ IC INCRG INTMT KT LTG M MOV N NE NW OCNL Meaning heavy intensity moderate intensity light intensity altocumulus castellans automated w/ precipitation discriminator automated w/o precipitation discriminator fully automated report began broken clouds (5/8-7/8 coverage) blowing mist cloud-air lightning cumulonimbus cloud cumulonimbus mammatus cloud-cloud lightning cloud-ground lightning ceiling clear (no clouds) continuous drifting dust storm dissipating distant widespread dust drizzle east or ended funnel cloud few clouds (0 - 2/8 coverage) fog frequent frontal passage feet smoke freezing gust hail small hail or snow pellets haze ice crystals or in-cloud lightning increasing intermittent knots lightning minus, less than moving north northeast northwest occasional Code OHD OVC OVR PCPN PE/PL PK WND PNO PO PRES PRESFR PRESRR PY RA RVR S SA SCT SE SFC SG SH SK SLP SLPNO SM SN SNINCR SP SQ SS SW TCU TS TSNO TWR UNKN UP UTC V VC VIS VR VRB VV W WND WSHFT Z Meaning overhead overcast (8/8 coverage) over precipitation ice pellets peak wind precipitation amount N/A dust/sand whirls pressure pressure falling rapidly pressure rising rapidly spray rain runway visual range south sand scattered clouds (3/8-4/8 coverage) southeast surface snow grains shower sky clear level pressure sea sea level pressure N/A statute miles snow snow increasing rapidly snow pellets squall sandstorm snow shower or southwest towering cumulus thunderstorm thunderstorm info N/A tower unknown unknown precipitation Universal Time Code variable in the vicinity visibility visual range variable vertical visibility west wind wind shift Zulu Time Isotherms (10 Points): On the following map, draw all possible isotherms as you were taught in lab. Use the proper color, proper increment and label your lines. The little black dots are the exact location of the temperature reading. If you are unable to read the temperature value please ask your instructor for clarification. 05 OCT 2000 Temperatures 48 54 64 46 38 50 34 31 25 26 47 67 24 25 18 49 26 34 28 44 20 49 54 Be 44 47 9 28 20 21 27 3 36 39 33 46 32 44 46 55 53 64 51 70 30 53 57 59 76 73 28 44 61 46 50 61 69 48 52 64 33 56 . 9 66 36 62 48 5 34 54 57 36 66 67 34 69 31 63 66 15 55 64 66 68 487 76 Z سپر Isobars (20 Points): On the following map, decode the pressure values and draw all possible isobars as you were taught in lab. Be sure you use the proper color, proper increment and label your lines. Then find and label one LOW pressure system and two HIGH pressure systems. There maybe another low in Canada, but this low is weaker and not the main low pressure system on the map. Make sure you give the high and low pressure areas their proper symbols with its appropriate color. The little black dots under each pressure value mark the exact location of the pressure reading. If you are unable to read the coded 3-digit pressure value please ask your instructor for clarification. If the pressure value only consists of two numbers then assume the last number is zero. 12 OCT 2000 221 ¹215 206 212 204 13 182 186 215 194 143 157 161 197 188 172 170 164 (65 170 158 183 162 169 171 156 147 191 158 153 154 132 134 133 141 195 150 133 119 137 102 060 972 Pressures 186 128 083 149 OYT 082 129 144 155 153 164 110 101 136 167 202 136 202 148 87 1.99 211 217 200 43 164 175 238 19 20 238 131 249 259 230 241 258 803 101 249 174 134 260 272 263 275 276 082 241 289 250¹ 123 126 247 281 296 261 252 VEI 223 238 265 254 X15 236 241 250 1,59 (70 259 204 1681 195 186 CSee Answer
  • Q6:This assignment is worth 30 points. Late assignments will be penalized 10% for each class day returned late. Be sure to show your work when applicable for full credit. You will submit your document on Canvas under the Assignments tab. If you have trouble with your submission, you can email me, but for organization, please don’t send me your assignment via email. You must submit a single PDF file or Word Doc that contains your submission to receive credit. Submissions that are illegible, and that have missing work will receive a deduction. You may either write your work using a document preparation software (e.g., Word, LaTeX, or Google Docs) or handwrite your work and use an app like CamScanner to create a PDF file. Ask Dr K if you have any questions, thanks! Part 1: Understanding Wind Chill and Heat Index. (4 points). Complete the blanks in the following table using the wind chill or heat index charts on our canvas page (hint: .pdfs are located in the files section under “Homework Resources”). Part 2: Understanding, Temperature, Dew Point, and Relative Humidity (8 points). First, read the .pdf called Computing RH and Dew Point Temp on Canvas. You will need chart shown on the first page of this document to complete Part 2! Solve the following problems showing the relationship between saturation vapor pressure, RH, dew point, and air temperature. 1. If the air temperature were 75°F and the dewpoint were 55°F, what is the relative humidity? Relative humidity = ____________________ 2. If air temperature is 60°F and the relative humidity is 84%, what is the dewpoint in °F? Dewpoint temperature = ____________________ 3. If the saturation vapor pressure is 25.0 hPa and the vapor pressure is 10.2 hPa, what is the air temperature and dew point in °F? Air temperature and dew point = ___________________ The following data was collected via a personal weather station in San Marcos. Part 3: Cloud Observation Chart (18 points) During each day on four different days of your choosing from now until the due date, observe the presence of any clouds, precipitation, or optical phenomena at least two times per day, preferably first thing in the morning and in the afternoon/evening. Your period of observation can include at most one time without any cloud. Create a TABLE with 5 columns in a spreadsheet software (excel, google sheets, and so on), and summarize the following (each item gets its own column): 1. location and time/date of observation, 2. types of cloud(s) present, 3. estimate of cloud base, - 2000m, 6000m or between 2-6k 4. noteworthy characteristics of the cloud(s) Your description will include: (indications of vertical wind shear, supercooled water) Where cloud(s) are located with respect to surrounding terrain Likely generating mechanism (e.g., orographic lift, instability, frontal movement), 5. characteristics of any optical phenomena or contrails (location in the sky relative to the sun, colors, etc.), and type and intensity of any precipitation. Paste the completed table to this document or upload it as a pdf, .xls, or word doc. :) See Answer
  • Q7:Q1. Did an El Niño event occur during the winter of 2015? Q2: Using what we learned in class, what could have caused the crabs to appear along the beaches of California? Q3: What kind of evidence backs up your claim for Q1 and Q2? Include specific data and observations from the graphs & maps you observed using 3-4 sentences.See Answer
  • Q8: A Stairmand high-throughput cyclone is chosen to clean a dusty airstream flowing at 8,000 acfm (180 °F, 1 atm). The maximum allowable pressure drop is 9 in. H2O. The particle density is 1,300 kg/m3 and K = 16. Find the cyclone diameter, D. Report your answer in units of meters, rounded to two values past the decimal point. \left(\mathrm{lb} / \mathrm{ft}^{3}\right) \times 16.0187=\left(\mathrm{kg} / \mathrm{m}^{3}\right) 1 \text { in. } \mathrm{H}_{2} \mathrm{O}=248.8 \mathrm{~Pa} 1 \mathrm{~m}^{3} / \mathrm{s}=2,118.9 \mathrm{ft}^{3} / \mathrm{min}See Answer

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