General Tips
Chapter 1: Day 1
Chapter 2: Day 2
Chapter 3: Day 3
Chapter 4: Day 4
Chapter 5: Day 5
Chapter 6: Day 6

Ask for help in the comments below!

[LIST] [item]Talk to Debbie. [/item] [item]Go outside to the storm-chasing truck. [/item] [item]Drive to either the nearest storm cloud or the windmill. [/item] [item]Activate the Doppler machine.[/item] [/LIST][gimg]/Nancy-Drew-Trail-Twister/images/Day-6-038-doppler-machine.jpg[/gimg] [LIST] [item]Open the side panel on the truck. [/item] [item]Flip 3 switches at a time in order to activate the radar (when all the lights are blue). [/item] [item]Numbering the switches from left to right, the top row being 1-6 and the bottom being 7-11, flip the switches in the following order:[/item] [/LIST][LIST][LIST] [item]1, 4, 5. Press the button on the right.[/item] [item]7, 9, 11. Press the button on the right.[/item] [item]2, 3, 11. Press the button on the right.[/item] [item]3, 8, 11. Press the button on the right.[/item] [/LIST][/LIST][gimg]/Nancy-Drew-Trail-Twister/images/Day-6-039-cables.jpg[/gimg] [LIST] [item]The scanner will work briefly, then dissolve into flames. [/item] [item]Zoom into and open the gray container (next to the red cooler) in the middle of the truck. [/item] [item]Arrange the cables and plugs properly, then press the button located at the bottom. [/item] [item]See screenshot for solution. [/item] [item]Debbie tells you to return to base. [/item] [/LIST][gimg]/Nancy-Drew-Trail-Twister/images/Day-6-040-note.jpg[/gimg] [LIST] [item]Go to the desk in Scott's Office. [/item] [item]Notice a piece of paper sticking out of one of the drawers. [/item] [item]Open the drawer with the key and read the note. [/item] [/LIST][LIST] [item]Go to the cellar. [/item] [item]Zoom into the piece of paper under the sink that reads Storm Weather Symbols. [/item] [item]Check out 63: moderate rain, continuous. [/item] [item]The symbol is made up of 3 black dots. [/item] [item]See 89: light hail no thunder. [/item] [item]The symbol shows 2 triangles. [/item] [item]Finally, look at 99: severe thunderstorm with hail. [/item] [item]The symbol appears to be a B with an open triangle on top.[/item] [/LIST][gimg]/Nancy-Drew-Trail-Twister/images/Day-6-041-open-surface-charts.jpg[/gimg] [LIST] [item]Check the Open Surface Charts binder on the lower shelf behind Frosty's desk. [/item] [item]Look for the 3 storm weather symbols:[/item] [/LIST][LIST][LIST] [item]45+ dewpoint and continuous moderate rain.[/item] [item]85 degrees + with either light hail.[/item] [item]85 degrees + no thunder or severe thunderstorm with hail.[/item] [/LIST][/LIST][LIST] [item]They are found on:[/item] [/LIST][LIST][LIST] [item]March 3, 8, 18, 21 and 26.[/item] [item]April 3, 6, 10, 23, 29.[/item] [item]May 6 and 12.[/item] [/LIST][/LIST][gimg]/Nancy-Drew-Trail-Twister/images/Day-6-042-calendar.jpg[/gimg] [LIST] [item]Return to Scott's office. [/item] [item]Check the wall calendar near his desk. [/item] [item]Start at March. [/item] [item]Use your own computer and type in the letters and numbers on the dates taken from the surface chart. [/item] [item]The solution is: WM9A, GV2C, SH4A. [/item] [item]Once typed in correctly, they will appear on a piece of paper. [/item] [item]Click it to add it to your inventory.[/item] [item]Return to the cellar and access the laptop. [/item] [item]Check the gallery until you find the photos with the number/letter combinations listed above. [/item] [item]They all have one thing in common. They're pictures of the windmill.[/item] [/LIST][LIST] [item]Talk to Debbie. [/item] [item]Drive to the windmill and see Scott there. [/item] [item]After talking with Scott, Nancy blacks out. [/item] [item]Nancy returns to consciousness and hears Debbie on the radio. [/item] [item]Get in the car to talk to Debbie. [/item] [item]Use the GPS to drive to the Grange. [/item] [item]Once at the Grange, proceed to the storm shelter. [/item] [item]Use the keys from your inventory on the lock to open the first shelter door. [/item] [item]Enter the shelter. [/item] [item]The second set of doors is locked. [/item] [item]Click on the panel located to the right of the door to open it. [/item] [item]Select the 4th key from the left in the top row to unlock the doors. [/item] [item]Wait in the shelter until the storm has passed.[/item] [item]Exit the shelter. [/item] [item]Follow the storm truck: the arrow on your map shows you where it is. [/item] [item]Be sure to avoid debris and the raging tornado! [/item] [item]Follow the truck until it eventually crashes at the springhouse. [/item] [item]Pick up the crowbar lying on the ground and use it to pry the boards off the door, then enter the shelter. [/item] [/LIST][LIST] [item][b]Congratulations, you've finished Nancy Drew: Trail of the Twister![/b][/item] [/LIST]

General Tips
Chapter 1: Day 1
Chapter 2: Day 2
Chapter 3: Day 3
Chapter 4: Day 4
Chapter 5: Day 5
Chapter 6: Day 6

Ask for help in the comments below!