Quiz Answer Key sco.quiz.questions[1] = new Checkbox(); sco.quiz.questions[1].points_possible = 4; sco.quiz.questions[1].correct = "3"; sco.quiz.questions[1].question = "Select the statement(s) that describe the appropriate applications of climatology data."; sco.quiz.questions[1].instruction = "Choose <b>all</b> that apply."; sco.quiz.questions[1].graphic = ""; sco.quiz.questions[1].graphic_width = "0"; sco.quiz.questions[1].graphic_height = "0"; sco.quiz.questions[1].answers[1] = "Can be used to determine what processes caused the fog or stratus"; sco.quiz.questions[1].answers[2] = "Can be used to analyze the current synoptic and mesoscale setting"; sco.quiz.questions[1].answers[3] = "Can be used to understand whether past conditions are similar to the current meteorological situation"; sco.quiz.questions[1].answers[4] = "Can be used to forecast extreme or unusual events"; sco.quiz.questions[2] = new Radio(); sco.quiz.questions[2].points_possible = 1; sco.quiz.questions[2].correct = "2"; sco.quiz.questions[2].question = "The application of climatological data and reasoning when producing a fog forecast requires certain steps. Which of the following procedures characterizes the recommended approach?"; sco.quiz.questions[2].instruction = ""; sco.quiz.questions[2].graphic = ""; sco.quiz.questions[2].graphic_width = "0"; sco.quiz.questions[2].graphic_height = "0"; sco.quiz.questions[2].answers[1] = "Look at the climatology for your area. If it indicates fog or stratus is likely or possible, then evaluate the synoptic and mesoscale conditions to see if they support fog/stratus formation."; sco.quiz.questions[2].answers[2] = " Evaluate whether the current synoptic and mesoscale conditions can potentially promote fog or stratus. Then use climatology to define conditions under which fog or stratus is likely to form."; sco.quiz.questions[3] = new Checkbox(); sco.quiz.questions[3].points_possible = 6; sco.quiz.questions[3].correct = "1,3"; sco.quiz.questions[3].question = "Fog/stratus frequency displays such as the one shown here are a common form of climatology data. How can the forecaster use this type of data? "; sco.quiz.questions[3].instruction = "Choose <b>all</b> that apply."; sco.quiz.questions[3].graphic = "usfog.gif"; sco.quiz.questions[3].graphic_width = "400"; sco.quiz.questions[3].graphic_height = "320"; sco.quiz.questions[3].answers[1] = "It is good for a quick comparison of fog frequencies from one part of the country to another."; sco.quiz.questions[3].answers[2] = "It can help in determining the cause of the fog."; sco.quiz.questions[3].answers[3] = "It can be useful in helping you make an initial assessment as to whether or not fog is a forecast issue in your region."; sco.quiz.questions[3].answers[4] = "It can help in determining the frequency of fog events where visibility is significantly reduced but still above 0.25 mi. "; sco.quiz.questions[3].answers[5] = "It can help in determining the event coverage or duration."; sco.quiz.questions[3].answers[6] = "It can help in determining differences depending on time of year and time of day."; sco.quiz.questions[4] = new Radio(); sco.quiz.questions[4].points_possible = 1; sco.quiz.questions[4].correct = "2"; sco.quiz.questions[4].question = "Spatial and temporal climatological analyses are most useful for indicating which of the following?"; sco.quiz.questions[4].instruction = "Choose the <b>best</b> answer."; sco.quiz.questions[4].graphic = ""; sco.quiz.questions[4].graphic_width = "0"; sco.quiz.questions[4].graphic_height = "0"; sco.quiz.questions[4].answers[1] = "Fog intensity"; sco.quiz.questions[4].answers[2] = "Fog extent and frequency"; sco.quiz.questions[4].answers[3] = "The common wind directions and temperatures associated with fog"; sco.quiz.questions[4].answers[4] = "The surface characteristics that may promote fog"; sco.quiz.questions[5] = new SelectParagraph(); sco.quiz.questions[5].points_possible = 3; sco.quiz.questions[5].points_distribution = "1,1,1"; sco.quiz.questions[5].correct = "3,2,2"; sco.quiz.questions[5].question = ""; sco.quiz.questions[5].instruction = "Use the selection boxes to choose the answers that <b>best</b> complete the paragraph."; sco.quiz.questions[5].graphic = ""; sco.quiz.questions[5].graphic_width = "0"; sco.quiz.questions[5].graphic_height = "0"; sco.quiz.questions[5].answers[1] = new Array(); sco.quiz.questions[5].answers[1][0] = "Relying on climatology is not recommended because climatology does not fully account for the "; sco.quiz.questions[5].answers[1][1] = "frequency "; sco.quiz.questions[5].answers[1][2] = "intensity "; sco.quiz.questions[5].answers[1][3] = "dynamics "; sco.quiz.questions[5].answers[1][4] = ""; sco.quiz.questions[5].answers[2] = new Array(); sco.quiz.questions[5].answers[2][0] = " of fog occurrence, and it reveals little about "; sco.quiz.questions[5].answers[2][1] = "temporal "; sco.quiz.questions[5].answers[2][2] = "mesoscale "; sco.quiz.questions[5].answers[2][3] = "spatial "; sco.quiz.questions[5].answers[2][4] = ""; sco.quiz.questions[5].answers[3] = new Array(); sco.quiz.questions[5].answers[3][0] = " influences and variations within the "; sco.quiz.questions[5].answers[3][1] = "middle atmosphere "; sco.quiz.questions[5].answers[3][2] = "boundary layer"; sco.quiz.questions[5].answers[3][3] = "upper atmosphere"; sco.quiz.questions[5].answers[3][4] = " that can significantly affect fog and low stratus processes. Also, overreliance on climatology can limit a forecaster\'s ability to provide important specifics to users."; sco.quiz.questions[6] = new Radio(); sco.quiz.questions[6].points_possible = 1; sco.quiz.questions[6].correct = "1"; sco.quiz.questions[6].question = "Conditional climatologies can be an important tool in the forecast process. Select the statement below that correctly identifies the information that can be gleaned from these data and the data\'s limitations."; sco.quiz.questions[6].instruction = ""; sco.quiz.questions[6].graphic = ""; sco.quiz.questions[6].graphic_width = "0"; sco.quiz.questions[6].graphic_height = "0"; sco.quiz.questions[6].answers[1] = "They can help establish event duration and intensity trends, but they do not identify the physical processes that created or sustained the fog."; sco.quiz.questions[6].answers[2] = "They can provide clues to possible processes involved in fog formation (radiative vs. advective), but they cannot effectively establish event duration and intensity trends."; sco.quiz.questions[6].answers[3] = "They can help establish event duration and intensity trends and provide reliable assessments for usual or extreme events, but they do not identify the physical processes that created or sustained the fog."; sco.quiz.questions[6].answers[4] = "They can help establish event duration and intensity trends, provide reliable assessments for unusual or extreme events, and identify the physical processes that created or sustained the fog, but they cannot account for changes in the meteorological situation."; sco.quiz.questions[7] = new Checkbox(); sco.quiz.questions[7].points_possible = 3; sco.quiz.questions[7].correct = "1,2,3"; sco.quiz.questions[7].question = "Despite some limitations, conditional climatology is still one of the most powerful tools for forecasting low ceilings and visibilities. From the list of questions below, identify those that conditional climatology may help to answer."; sco.quiz.questions[7].instruction = "Choose <b>all</b> that apply."; sco.quiz.questions[7].graphic = ""; sco.quiz.questions[7].graphic_width = "0"; sco.quiz.questions[7].graphic_height = "0"; sco.quiz.questions[7].answers[1] = "Is the event likely to result in low IFR or MVFR conditions? "; sco.quiz.questions[7].answers[2] = "Will a change in wind direction possibly result in a change in fog or stratus?"; sco.quiz.questions[7].answers[3] = "If fog is already occurring, how long will it last, based on climatological factors? "; sco.quiz.questions[8] = new SelectTable(); sco.quiz.questions[8].points_possible = 6; sco.quiz.questions[8].points_distribution = "1,1,1,1,1,1"; sco.quiz.questions[8].correct = "2,1,2,1,1,2"; sco.quiz.questions[8].question = "Determine whether each statement about AWIPS Conditional Climatology data displays and output is true or false. "; sco.quiz.questions[8].instruction = "Use the selection box to choose True or False."; sco.quiz.questions[8].graphic = ""; sco.quiz.questions[8].graphic_width = "0"; sco.quiz.questions[8].graphic_height = "0"; sco.quiz.questions[8].answers[1] = new Array(); sco.quiz.questions[8].answers[1][0] = "The display can be in table or graph form."; sco.quiz.questions[8].answers[1][1] = "True"; sco.quiz.questions[8].answers[1][2] = "False"; sco.quiz.questions[8].answers[2] = new Array(); sco.quiz.questions[8].answers[2][0] = "The output displays the number of observations that went into a particular climatological database, which can provide you with some sense of confidence in the data."; sco.quiz.questions[8].answers[2][1] = "True"; sco.quiz.questions[8].answers[2][2] = "False"; sco.quiz.questions[8].answers[3] = new Array(); sco.quiz.questions[8].answers[3][0] = "The data cannot be tailored to your specific forecast problem or area of concern."; sco.quiz.questions[8].answers[3][1] = "True"; sco.quiz.questions[8].answers[3][2] = "False"; sco.quiz.questions[8].answers[4] = new Array(); sco.quiz.questions[8].answers[4][0] = "Output is provided in the form of percentages of occurrence for a particular ceiling and/or visibility."; sco.quiz.questions[8].answers[4][1] = "True"; sco.quiz.questions[8].answers[4][2] = "False"; sco.quiz.questions[8].answers[5] = new Array(); sco.quiz.questions[8].answers[5][0] = "Future conditions are not based on model forecasts and therefore do not include model biases and limitations."; sco.quiz.questions[8].answers[5][1] = "True"; sco.quiz.questions[8].answers[5][2] = "False"; sco.quiz.questions[8].answers[6] = new Array(); sco.quiz.questions[8].answers[6][0] = "The user cannot change the inputs for initial ceiling, visibility, and wind direction conditions. "; sco.quiz.questions[8].answers[6][1] = "True"; sco.quiz.questions[8].answers[6][2] = "False"; sco.quiz.questions[9] = new Checkbox(); sco.quiz.questions[9].points_possible = 6; sco.quiz.questions[9].correct = "1,3,5,6"; sco.quiz.questions[9].question = "When using AWIPS Conditional Climatology data, which of the following considerations are important to take into account? "; sco.quiz.questions[9].instruction = "Choose <b>all</b> that apply."; sco.quiz.questions[9].graphic = ""; sco.quiz.questions[9].graphic_width = "0"; sco.quiz.questions[9].graphic_height = "0"; sco.quiz.questions[9].answers[1] = "The output consists of the most likely forecast condition based on past events and does not reflect current or future conditions."; sco.quiz.questions[9].answers[2] = "The percentage frequency of occurrences can be used to forecast rare events."; sco.quiz.questions[9].answers[3] = "The data will, in most cases, narrow the range of possible events and prevent forecasting a category that has little chance of occurring. "; sco.quiz.questions[9].answers[4] = "Applying the exact percentages in the hour-by-hour trends is a useful way to forecast an event."; sco.quiz.questions[9].answers[5] = "The number of observations in the output is directly related to the confidence of the conditional climatology forecast."; sco.quiz.questions[9].answers[6] = "The number of occurrences of each category shows how much data were available to calculate the probabilities listed."; sco.quiz.questions[10] = new Checkbox(); sco.quiz.questions[10].points_possible = 6; sco.quiz.questions[10].correct = "1,4,5"; sco.quiz.questions[10].question = "Identify the common errors forecasters should avoid when using conditional climatology. "; sco.quiz.questions[10].instruction = "Choose <b>all</b> that apply."; sco.quiz.questions[10].graphic = ""; sco.quiz.questions[10].graphic_width = "0"; sco.quiz.questions[10].graphic_height = "0"; sco.quiz.questions[10].answers[1] = "Using the largest single probability to determine the minimum expected ceiling and visibility"; sco.quiz.questions[10].answers[2] = "Using cumulative probabilities instead of the largest single probability"; sco.quiz.questions[10].answers[3] = "Assuming that the probabilities are skewed toward good weather"; sco.quiz.questions[10].answers[4] = "Failing to reassess the climatology when there is an expected wind shift to consider during the event"; sco.quiz.questions[10].answers[5] = "Using conditional climatology when there is an unusual or extreme event"; sco.quiz.questions[10].answers[6] = "Assuming that a smaller sample size means that the probabilities are less reliable"; sco.quiz.questions[11] = new Checkbox(); sco.quiz.questions[11].points_possible = 4; sco.quiz.questions[11].correct = "1,3"; sco.quiz.questions[11].question = "For which of the decisions below, will climatology data (including conditional climatology, composites, and analogs) be helpful?"; sco.quiz.questions[11].instruction = "Choose <b>all</b> that apply."; sco.quiz.questions[11].graphic = ""; sco.quiz.questions[11].graphic_width = "0"; sco.quiz.questions[11].graphic_height = "0"; sco.quiz.questions[11].answers[1] = "Whether low overcast conditions tend to persist at a particular time of year"; sco.quiz.questions[11].answers[2] = "Whether below-normal lake temperatures will improve the chance of fog"; sco.quiz.questions[11].answers[3] = "Whether an expected wind shift will end a fog/stratus event"; sco.quiz.questions[11].answers[4] = "Whether a late spring snow will lead to fog or stratus"; sco.quiz.questions[12] = new Checkbox(); sco.quiz.questions[12].points_possible = 4; sco.quiz.questions[12].correct = "1,3,4"; sco.quiz.questions[12].question = "What advantages does using analog and composite data, in conjunction with climate data, have over using just climate data alone?"; sco.quiz.questions[12].instruction = "Choose <b>all</b> that apply."; sco.quiz.questions[12].graphic = ""; sco.quiz.questions[12].graphic_width = "0"; sco.quiz.questions[12].graphic_height = "0"; sco.quiz.questions[12].answers[1] = "Allows you to assess how the actual conditions and processes may influence the event"; sco.quiz.questions[12].answers[2] = "Allows you to determine the actual ceiling and visibility restrictions that will occur during the current event"; sco.quiz.questions[12].answers[3] = "Allows you to relate climatological fog/stratus frequencies to one or a few synoptic patterns and mesoscale processes"; sco.quiz.questions[12].answers[4] = "Allows you to assess the similarities and differences of past events with the current event"; sco.quiz.questions[13] = new Checkbox(); sco.quiz.questions[13].points_possible = 4; sco.quiz.questions[13].correct = "1,3,4"; sco.quiz.questions[13].question = "Developing and using composite data based on a compilation of local case studies can have important advantages over using other types of climatology data. What are some of the advantages of composite data?"; sco.quiz.questions[13].instruction = "Choose <b>all</b> that apply."; sco.quiz.questions[13].graphic = ""; sco.quiz.questions[13].graphic_width = "0"; sco.quiz.questions[13].graphic_height = "0"; sco.quiz.questions[13].answers[1] = "Can be developed to identify particular events or processes that typically influence a fog/stratus event"; sco.quiz.questions[13].answers[2] = "Can be used as a substitute for current data when time is short"; sco.quiz.questions[13].answers[3] = "Can relate climatological fog/stratus frequencies to one or a few synoptic patterns and mesoscale processes"; sco.quiz.questions[13].answers[4] = "Can be developed based on event intensity, duration, or any number of characteristics that may be useful to categorize an event"; sco.quiz.questions[14] = new SelectTable(); sco.quiz.questions[14].points_possible = 4; sco.quiz.questions[14].points_distribution = "1,1,1,1"; sco.quiz.questions[14].correct = "3,1,4,2"; sco.quiz.questions[14].question = "Match the applications or descriptions on the left to the appropriate climatology data types in the selection boxes on the right."; sco.quiz.questions[14].instruction = ""; sco.quiz.questions[14].graphic = ""; sco.quiz.questions[14].graphic_width = "0"; sco.quiz.questions[14].graphic_height = "0"; sco.quiz.questions[14].answers[1] = new Array(); sco.quiz.questions[14].answers[1][0] = "Takes into account actual conditions and processes of past events that may influence the current event"; sco.quiz.questions[14].answers[1][1] = "Frequency Tables"; sco.quiz.questions[14].answers[1][2] = "WSCC Tables"; sco.quiz.questions[14].answers[1][3] = "Analog Data"; sco.quiz.questions[14].answers[1][4] = "Conditional Climatologies"; sco.quiz.questions[14].answers[2] = new Array(); sco.quiz.questions[14].answers[2][0] = "Accesses fog or low stratus occurrence as a function of location, time of year, and time of day"; sco.quiz.questions[14].answers[2][1] = "Frequency Tables"; sco.quiz.questions[14].answers[2][2] = "WSCC Tables"; sco.quiz.questions[14].answers[2][3] = "Analog Data"; sco.quiz.questions[14].answers[2][4] = "Conditional Climatologies"; sco.quiz.questions[14].answers[3] = new Array(); sco.quiz.questions[14].answers[3][0] = "Helps assess an event\'s intensity, duration, and potential changes out to 9 hours, based on related factors such as initial wind direction and C/V conditions"; sco.quiz.questions[14].answers[3][1] = "Frequency Tables"; sco.quiz.questions[14].answers[3][2] = "WSCC Tables"; sco.quiz.questions[14].answers[3][3] = "Analog Data"; sco.quiz.questions[14].answers[3][4] = "Conditional Climatologies"; sco.quiz.questions[14].answers[4] = new Array(); sco.quiz.questions[14].answers[4][0] = "Provides statistically-derived probability of the occurrence of a ceiling or a visibility for the specified hour subsequent to the initial time"; sco.quiz.questions[14].answers[4][1] = "Frequency Tables"; sco.quiz.questions[14].answers[4][2] = "WSCC Tables"; sco.quiz.questions[14].answers[4][3] = "Analog Data"; sco.quiz.questions[14].answers[4][4] = "Conditional Climatologies"; sco.quiz.questions[15] = new Radio(); sco.quiz.questions[15].points_possible = 1; sco.quiz.questions[15].correct = "4"; sco.quiz.questions[15].question = "Once a thorough review of the climatology data has been achieved, what should be the next step in your forecast process?"; sco.quiz.questions[15].instruction = "Choose the <b>best</b> answer."; sco.quiz.questions[15].graphic = ""; sco.quiz.questions[15].graphic_width = "0"; sco.quiz.questions[15].graphic_height = "0"; sco.quiz.questions[15].answers[1] = "Issue the forecast using the climatology data to provide ceiling and visibility values"; sco.quiz.questions[15].answers[2] = "Put more emphasis on the information gleaned from the conditional climatology and analog data and incorporate these data into your final forecast"; sco.quiz.questions[15].answers[3] = "Rerun the conditional climatology data to adjust for expected changes in the winds and incorporate that output into your final forecast assessment"; sco.quiz.questions[15].answers[4] = "Reevaluate the synoptic and mesoscale factors that will influence the potential for fog or low stratus development"; lse";