2003 - 2005 FS Escape Rx Fires

0.00%

0.50%

1.00%

1.50%

2.00%

2.50%

3.00%

3.50%

R1 R2 R3 R4 R5 R6 R8 R9 R10 SUM

Burns/Hines Smoke Intrusion Lessons Learned

FALT presentation November 7, 2006

Hazardous Fuels Ponderosa Pine underburn unit.Unit was burned on Oct. 12, 2006

1200 acre unit was located 25 miles NW from

Burns, Or.

Intrusion Date and Duration• October 13, 2006 • Unhealthy readings in Burns • Lasted from 3 am through 9 am.• By 9 am PM 2.5 was back into moderate range. • No further intrusion resulted.

What happened??• Smoke plume capped several thousand feet

above unit.• Overnight the smoke flowed down Silvies river

drainage and extended into town.• By 3 AM Nephelometer readings were in the

unhealthy range.

Mitigations

• 2 PSA’s issued via local radio station.

• Aggressively moped up unit.

• Cancelled any further ignition.

Future changes developed.

• Verify smoke info has been submitted through FASTRACS to Salem.

• Stress with Burn Boss the importance of following smoke forecasts along with the spot weather forecast.

• Pay particular attention to the direction of smoke plume and anticipate night movements.

Air Quality Rating

Air Quality Index (AQI)

PM2.5 24-hour Average

(micrograms/m3)

8-hour Ozone Concentration

(ppm)

Carbon Monoxide

 8-hour average (ppm)

GOOD 0-50 0-15.4 

0-0.064 0.0-4.4

MODERATE 51-100 15.5-40.4 0.065-0.084 4.5-9.4

UNHEALTHY for Sensitive

Groups (UFSG)

101-150 40.5-65.4 0.085-0.104 9.5-12.4

UNHEALTHY 151-200 65.5-150.4 0.105-0.124 12.5-15.4

VERY UNHEALTHY

201-300 150.5-250.4 0.125-0.155 15.5-30.4

HAZARDOUS >300 >250.4 >0.155 >30.4

0

50

100

150

200

LaGrande Bend Burns Hillsburo Klamath Falls

Unhealthful

Unhealthful SG

Moderate