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Name_________________________________________________________________________________________________Per______Indiana State Fair Collapse: InvestigationWrite answers in RedExcerpts Courtesy of KWL: Complete “Know” and “Want to Know” columns. What do you Know and Want to know about the weather leading up to the Indiana State Fair stage collapse?KnowWant to knowLearnedLook at Surface Map and Radar Image at 8:00 PM EDT August 13. List at least TWO weather symbols you notice that are near Indiana: What type of weather do you predict will occur based on the map?. Read the following 2 paragraphs: Thunderstorms developed ahead of a cold front during the afternoon and evening of August 13. As these storms moved across central Indiana, they brought damaging winds and large hail to the area. The storms also caused part of a stage to collapse at the Indiana State Fair, resulting in fatalities. A list of severe weather reports can be found near the bottom of this page.The threat for severe weather was first acknowledged in the Hazardous Weather Outlook (HWO) issued by the NWS Indianapolis on Thursday the 11th and continued to mention the threats in the HWOs through Saturday the 13th.?The Storm Prediction Center placed central Indiana in a Slight Risk of severe weather for their Day 2 Outlook on Friday the 12th, and kept the area in a Slight Risk for the Day 1 Outlook on Saturday the 13th. By the 1230 PM EDT update, the Storm Prediction Center highlighted central Indiana for an increased potential for damaging winds (Click an image to enlarge):The State Fair stage collapse occurred on a Saturday evening August, 13. According to the paragraph above, on what date was the first HWO issued for Indianapolis? Look at the SPC Day 1 Convective Outlook from 2:00 AM EDT August 13. A “convective outlook” is a forecast containing the area(s) of expected thunderstorm occurrence and expected severity over the contiguous United States, issued several times daily. The terms approaching, slight risk, moderate risk, and high risk are used to describe severe thunderstorm potential. What was the risk for a thunderstorm on August 13? Why do you think this is called the “convective” outlook? What does convection have to do with thunderstorm formation? Look at the SPC Day 1 Damaging Wind Outlook, from 12:30 PM EDT August 13. The probability of damaging wind was: Look at the Hazardous Weather Outlook Issued by NWS Indianapolis at 4:25 AM EDT August 13. SCATTERED THUNDERSTORMS ARE EXPECTED TO MOVE SOUTHEAST ACROSS CENTRAL INDIANA THROUGH THIS EVENING. THUNDERSTORMS MAY BE SEVERE WITH DAMAGING WINDS AND LARGE HAIL AS THE MAIN THREATS. THE STORMS WILL ALSO PRODUCE DANGEROUS LIGHTNING AND BRIEF HEAVY RAINFALL. AN ISOLATED TORNADO IS ALSO POSSIBLE. THUNDERSTORMS WILL BE MOST NUMEROUS ACROSS CENTRAL INDIANA BETWEEN 6 PM AND MIDNIGHT. When was a thunderstorm most likely to occur? Look at the Radar Image at 8:39 PM EDT. Click on the “annotated image” to the left. List the THREE vocab words used to describe the storm. Go to: List two other groups besides mid-America that received fines and why:Complete the “Learned” column of the KWL chart. List at least 3 things you learned in this investigation on the chart on PAGE #1. List at least two new questions you “Want to Know” based on the investigation. (These could be weather vocab words you didn’t know, etc). List them on PAGE #1. ................
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