Animated explainerStory · Illustration · Storyboard · MotionNawang Zangpo Lachenpa

Flash
Floodcan it happen on a sunny day?

A short animated film about the misconceptions that make flash floods deadly, and the one thing to do when the alert arrives.

the film1 min 14 s · sound on
01why this film

A flood that gives almost no warning.

On the night of 3–4 October 2023, the South Lhonak glacial lake in North Sikkim burst. The flood ran down the Teesta valley and destroyed the Teesta III dam at Chungthang, and more than 90 people lost their lives.

This project grew out of research into that flood and into riverine and flash-flood data for India. The goal: take official flood-safety guidance and turn it into a story short enough to finish and clear enough to remember when an alert actually buzzes.

Painted valley with a dam gate in the foreground
establishing shotthe valley, the river, the dam
02the message

Four myths, answered in a minute.

The script is built around what people get wrong. Each myth gets one plain line from Geeta, shown here in the film's own subtitles.

1“It's sunny, so I'm safe.”
One of the common misconceptions about flash floods is that it can't happen during a sunny day.
2“No rain, no flood.”
Rain being only one of them.
3“I'll know when it's coming.”
Flash floods are fast and you get very little time for reaction, but you can still increase your chances of survival.
4“Alerts are just noise.”
Most of them are sent by proper analysis of the event.
the one rule →

So next time you get an alert, get to the highest area near you.

03the characters

One who ignores the alert. One who knows better.

Two original characters carry the whole film: a contrast the audience can feel without being lectured.

Manoj character sheet: turnaround and expressions
Manoj.

Out by the river filming a vlog on a bright day. The phone buzzes with a flood alert and he shrugs it off, because there isn't a cloud in the sky.

Geeta character sheet: turnaround, palette and expressions
Geeta.

Life jacket on, ready to act. She breaks the fourth wall to explain the myths, and in the end she's the one who carries Manoj to safety.

before the colourearly pencil explorations of faces, builds and outfits
Page of pencil character explorations
04the story

Eight beats, planned in pencil first.

Every shot was boarded and timed as a rough animatic before any colour went down, so the film could stay just over a minute without losing the message.

Calm01

A bright morning over the valley.

Vlog02

Manoj films himself by the river.

Alert03

His phone buzzes with a flood warning.

Dismissed04

The sun is out. He ignores it.

Surge05

The river rises faster than anyone expects.

Myths06

Geeta steps in and answers them one by one.

Trust07

Alerts come from people analysing the event.

Climb08

Go to the highest ground near you.

Pencil storyboard grid
storyboardthumbnails for the full film
animatic

Rough motion tests in pencil, used to check timing and expressions before the final animation.

05the worlds

Painted places, flat people.

Backgrounds are soft and painterly, like a Himalayan morning. The characters are flat and outlined, so they always read clearly against them.

River valley with houses on the cliffs
the riverhouses on the bank: everything the flood puts at risk
Geeta in front of a monitoring lab
the labalerts come from analysis, not guesswork
A climber heading up a snowy slope
high groundthe one action the film asks for
06takeaway

Clear skies aren't a guarantee. When the alert comes, climb.

The film closes by pointing viewers to India's National Disaster Management Authority for more on flood preparedness.

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