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Crowning pine fire upwind of a 40-household hamlet

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Crowning pine fire upwind of a 40-household hamlet

On 18 April at 14:40 you spot a heavy smoke column over Compartment 7 while returning from a fuel-load survey. The wind is steady from the west at about 25 km/h and relative humidity is 21 per cent. The fire already covers roughly 2 hectares of chir pine and bamboo and is crowning in two pine patches. Directly downwind, 1.8 km east, is Majhgawan hamlet: 40 households, thatched cattle sheds and dry bamboo stacks beside most houses. You have four forest guards, twelve MGNREGA fire watchers, one jeep, hand tools and blowers but no wireless coverage within 3 km. The department water tanker is 40 minutes away. An existing fire line lies 700 m west of the fire; a second, half-maintained fire line lies 1.2 km east, about 600 m short of the hamlet. Sunset is 18:35, after which humidity usually recovers. Your Range Officer is at district headquarters, 55 km away, reachable only by mobile phone from a ridge 20 minutes' climb away.

1. State your priority order and exactly what you do in the first 20 minutes, with numbers of people allocated.

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Priority order. (1) People - crew and villagers; (2) the hamlet as an asset; (3) the plantation and compartment; (4) suppression for its own sake. Suppression is a means to 1 and 2, not a separate goal.

Time available. In chir pine with needle litter and a 25 km/h wind, the head typically runs at one-fifth to one-tenth of wind speed. Expect 1.8 km to be covered in roughly 30 to 45 minutes. There is no time for a committee.

First 20 minutes.

  • Note wind, head direction and time in the diary. Nobody goes near the head or upwind into the crowning pine patches - that is where people die.
  • Send two watchers by the shortest path to Majhgawan to move people and cattle to the side away from the fire front and to keep 10 m clear of the thatched sheds; wet gunny bags and buckets to be kept ready.
  • Send one runner to the ridge with a written slip to phone the Range Officer, fire control and 108.
  • Put the remaining ten watchers and three guards on the east fire line, cutting and clearing to mineral soil, starting from the hamlet end and working towards the fire, so the crew always has the hamlet and open ground behind it.
  • Jeep to be positioned for water and for casualty evacuation, not for touring the fire.

2. Will you anchor and backburn on the 1.2 km east fire line? Justify with the weather and the resources you actually have.

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The east line is the only line that protects the hamlet, so it must be held - but not blindly.

Resource arithmetic. 1.2 km with about 13 able bodies is roughly 75 to 90 m a person. That is far too thin to hold a crowning head fire along the whole line, and the line is only half-maintained.

So backburn on part of it, not all of it. Ignite along the hamlet-side segment of the line - about 300 to 400 m - and let the fire back into the wind towards the main fire, widening the fuel break. The remaining 700 to 800 m is held by cutting and patrolling.

Preconditions, all of them, or do not light.

  • A firm anchor point such as a road, a cleared corner or the burnt edge itself.
  • An escape route into already burnt ground or open ground near the hamlet.
  • Enough people to patrol the entire ignited strip after lighting. A backburn that escapes becomes a second head fire aimed at the hamlet.
  • No lighting if the wind shifts or gusts and starts spotting across the line - then fall back, thin the fuel immediately around the sheds and defend the hamlet.

Weather judgement. Dry, windy, low-humidity conditions before sunset are the worst case. After 18:35 humidity recovers and the head will slow, so holding the line until dark is worth the effort. Do not send anyone with hand tools into the head in chir pine at 25 km/h wind - that is a fatality, not a tactic.

3. With no wireless within 3 km, what do you communicate, to whom, and in what order?

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Order and content.

  1. Range Officer first, as the officer who owns the resource decision. Message: date and time of detection, compartment, area burnt, fuel type, wind direction and speed, humidity, hamlet name and distance, resources on site, action being taken, and the specific help required.
  2. Fire control room or control room of the division, so the tanker and additional crew are actually dispatched, not merely promised.
  3. Police or tehsil, if evacuation of Majhgawan looks likely, because civil administration moves people, not the forest guard.
  4. Village headman through the watchers already sent, so the hamlet is not waiting for news while the fire closes in.

Method. Send everything as a written slip with the runner to the ridge. Verbal messages passed across three people get distorted, and a written slip becomes evidence in the fire report. Get the time of each call and the name of the person spoken to, and record them in the beat diary the same evening.

Fallback. If the mobile cannot be raised, route the message through the adjoining beat's landline, the nearest police post or the tehsil office, and inform the Range Officer in writing the next morning. Do not leave the fire to make a call yourself - send the runner.