Awatchfire

Archuleta County, Colorado

Swiss Roll Fire

Burning 14.6 miles north-east of Pagosa Springs and 21.1 miles south of South Fork, since Thursday 20 August.

Map of Colorado. The Swiss Roll Fire burns 194 miles from Denver, and 194 miles from the state capital, Denver.
The fire sits 194 miles from Denver.

777

acres burned so far — about 1.2 square miles

56

days burning so far

100%

of the perimeter held

The picture as of 10:09am today

The Swiss Roll Fire is still listed as active, and has not been looked at lately. Nothing has given off fresh heat for 764 hours. What is burning has shifted 0.45 miles south over the last six hours.

No fresh look at this fire for 764 hours. Everything on the map below was seen before then.

Shaded relief map of the Swiss Roll Fire. Amber flames mark every place that gave off heat in the last day; the shading is the shape of the ground.
Heat in the last day Higher ground pale, valleys dark

764hours

since anything was last seen giving off heat — about 1:40pm on Sunday, local time.

47% less

energy in the last 6 hours of the record than in the 6 before them — the fire was cooler when it was last seen.

14.3miles

is how close the heat has come to Pagosa Springs at any point in the record. In the last day the nearest heat has been None miles from it, and the closest this fire has come to South Fork is 19.8 miles, None in the last day.

1.9miles

is the furthest any heat has been seen from the point on the official record — the width of the ground involved so far.

Smoke has been recorded lying over this ground once so far. The thickest of it was thin between 6:00am and 9:00am local time. The last of those windows closed 121 hours ago, so what is overhead now is not known.

Where the heat is

No cluster large enough to call a separate front. The heat is in one piece.

Conditions measured 18.3 miles from the fire: 62°F, air at 63% humidity, a 2 mph wind out of the south.

How it got here

Four days of record on a day-57 fire

The record here begins at 2:58am on 10 Sep and runs to 1:42pm on 13 Sep — 83 hours, 210 readings of heat. The fire is on day 57, so the first 53 days are missing: nothing showed up from above until the fire was large enough and the sky over it clear enough for it to be seen.

Animated map of the Swiss Roll Fire across the whole record, with a time bar along the bottom showing energy released and the local date.
The whole record, 30 frames at 3 hours a frame. The bar along the bottom is energy released; the moving line is the clock.

Day by day 4 days of record

  1. Map for Thu 10 Sep: flames mark every place that gave off heat that day.

    Thu10 Sep

    First readings

    • 7 heat readings
    • Heat from 2:58am to 4:22pm
    • Spread 0.4 miles from the recorded point at its furthest
    • Burning through the pre-dawn and afternoon
  2. Map for Fri 11 Sep: flames mark every place that gave off heat that day.

    Fri11 Sep

    Flaring up

    • 20 heat readings
    • Energy 12.4 times the day before
    • Heat from 2:03am to 8:53pm
    • Spread 1.6 miles from the recorded point at its furthest
    • Burning through the pre-dawn, afternoon and evening
  3. Map for Sat 12 Sep: flames mark every place that gave off heat that day.

    Sat12 Sep

    The fiercest day

    • 115 heat readings — the most of any day
    • Energy 7.7 times the day before
    • Heat from 2:20am to 9:32pm
    • Spread 1.9 miles from the recorded point at its furthest
    • Burning through the pre-dawn, morning, afternoon and night
  4. Map for Sun 13 Sep: flames mark every place that gave off heat that day.

    Sun13 Seplatest

    Cooling off

    • 68 heat readings
    • Energy 92% down on the day before
    • Heat from 2:22am to 1:42pm
    • Spread 1.8 miles from the recorded point at its furthest
    • Burning through the pre-dawn and afternoon

How the record has moved

Each step is a change on the interagency incident record — acreage, containment or crews — with the date it was reported. No satellite reading is involved.

  1. Thursday 20 August

    First reported

  2. Sunday 23 August

    0 acres on record

    0 ac

  3. Thursday 27 August

    Grew to 1 acres

    1 ac

  4. Friday 28 August

    Grew to 1 acres

    1 ac

  5. Saturday 29 August

    Grew to 2 acres

    2 ac

  6. Tuesday 8 September

    Grew to 4 acres

    4 ac

  7. Wednesday 9 September

    Grew to 5 acres

    5 ac

  8. Thursday 10 September

    Grew to 10 acres

    10 ac

  9. Friday 11 September

    Grew to 30 acres

    30 ac

  10. Saturday 12 September

    Grew to 369 acres

    369 ac

  11. Saturday 12 September

    Grew to 370 acres — containment 0%, 34 personnel

    370 ac · 0% held · 34 crew

  12. Sunday 13 September

    Grew to 775 acres — 61 personnel

    775 ac · 0% held · 61 crew

  13. Friday 18 September

    Grew to 777 acres — 42 personnel

    777 ac · 0% held · 42 crew

  14. Saturday 19 September

    Containment 36% — 34 personnel

    777 ac · 36% held · 34 crew

  15. Monday 28 September

    Containment 93% — 4 personnel

    777 ac · 93% held · 4 crew

  16. Thursday 1 October

    Containment 100% — 1 personnel

    777 ac · 100% held · 1 crew

100% of the perimeter is being reported as held. 1 people are assigned to it. It has grown from 0 acres when it was first written down to 777 now. Nothing has looked at it for 764 hours, and the record still lists it as active.