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.
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Saturday 22 August
First reported
—
acreage not yet reported
54
days burning so far
—
no share of the perimeter reported held yet
The official record as of 9:09am today
The Mesa Fire is on the interagency wildfire record in Los Angeles County, California. The figures below are the official record. A satellite heat map and day-by-day history appear here as soon as detections are attributed to this fire.
Undetermined
The cause has not yet been determined.
54 days
on record — first written down on Saturday 22 August at 12:31am local time, starting at 0 acres.
34.306, -118.375lat, lon
is the official point of origin on the interagency record.
Conditions measured 1.2 miles from the fire: 84°F, air at 14% humidity, a 7 mph wind out of the south-east.
Six other fires are burning inside the same view. Lopez 2 Fire started on Tuesday 14 July, 0.7 miles north-west, and has reached 0 acres. Dexter Fire started on Sunday 27 September, 0.7 miles south, and has reached 1 acres. Lopez Fire started on Monday 4 May, 1.4 miles south-west, and has reached 0 acres. Victor Fire started on Saturday 15 August, 3.8 miles north, and has reached 0 acres. Valley Fire started on Saturday 12 September, 4.2 miles south-east, and has reached an unrecorded size. Pipe Fire started on Thursday 13 August, 5.0 miles east, and has reached 0 acres. Their heat is counted against them, not against this fire, and the pale rings on the map mark where they are recorded.
Smoke has been recorded lying over this ground nine times so far. The thickest of it was thin between 5:00am and 8:00am local time. The last of those windows closed 23 hours ago, so what is overhead now is not known.
No satellite heat has been attributed to this fire yet — either it is too new for a pass to have caught it, or it is too small to register from orbit. Everything above is from the interagency incident record and updates as that record does.