Tuesday, January 14, 2014


SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS

SALEM FORESTRY WEATHER CENTER

OREGON DEPARTMENT OF FORESTRY

 

ISSUED: Monday, January 13, 2014       2:40 PM      Nick Yonker

 

**************** Air Stagnation Advisory Information ***************

The National Weather Service has issued Air Stagnation Advisories for much of south central Oregon through Friday (Jan. 17).

**Please use extra precautions and limit forestland burning to units that will not worsen air quality within nearby SSRAs. **

**Note:  Special Protection Zone Restrictions may apply**

**Current Air Stagnation Advisories link: http://www.wrh.noaa.gov/ **

 

1.  DISCUSSION AND FORECAST FOR SOUTH CENTRAL OREGON ZONES 624 AND 625

 

Upper level ridge is building into the Pacific Northwest today and will continue building over the region through Tuesday.  Air mass is stabilizing today and will be very stable tomorrow with very light wind flow.  Burning will need to be curtailed considerably.

 

    EXTENDED DISCUSSION

 

Upper level ridge will remain entrenched over the state through the week keeping mixing poor and wind flow light. Expect limited burn opportunities.

 

2.  DISPERSION

 

TUESDAY

 

Mixing height below 1000 ft throughout the day.

 

Transport wind light and variable and controlled by local terrain.

 

Surface wind light and variable and controlled by local terrain.

 

OUTLOOK:

 

WEDNESDAY

Mixing height below 1000 ft throughout the day.  Transport wind light and variable.  Surface wind light and variable.

 

THURSDAY

Mixing height below 1000 ft throughout the day.  Transport wind light and variable.  Surface wind light and variable.

 

FRIDAY

Mixing height below 1000 ft throughout the day.  Transport wind SSE to SSW at 6 - 10 mph.  Surface wind SE to SSW at 4 - 8 mph during the morning becoming light and variable during the afternoon.

 

3.  BURNING INSTRUCTIONS FOR ZONES 624 AND 625 INCLUDING THE WALKER

    RANGE PORTION OF ZONE 624

This instruction is valid for burning conducted on Tuesday, January 14, 2014.

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Unfavorable burning situation due to very poor smoke dispersion.  Delay ignitions until 10 a.m.  Avoid ignitions within 20 miles in all directions of SSRAs.  For units that will smolder significantly through the night avoid burning within at least 35 miles in all directions of SSRAs.  Recommend against burning units that will smolder significantly overnight.  Complete ignitions by 3 p.m. 

 

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4.  SPECIAL NOTE:

 

    The smoke management forecaster is available at (503)

    945-7401.  The smoke management forecaster is available

    to discuss specific burns.  The duty forecaster phone

    number is (503) 945-7401. Please call this number and

    not individual's numbers to discuss daily burning. Please

    avoid calling before 8 a.m. and between 2 to 3 p.m.

 

    This forecast is available on the Internet at:


 

    Please ensure your units have been planned and accomplished by checking:

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