SMOKE MANAGEMENT FORECAST AND INSTRUCTIONS

SALEM FORESTRY WEATHER CENTER

OREGON DEPARTMENT OF FORESTRY

 

ISSUED: Thursday, May 26, 2016       2:40 PM      Nick Yonker

 

****In observance of the Memorial Day holiday, the Smoke Management office will be closed Monday, May 30th. A forecaster will be in the office on Sunday, May 29th and will issue forecasts for Monday and Tuesday. Please call either on Friday or Sunday for any burning you wish to conduct over the weekend or early next week.****

 

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

 

Upper level trough will move into the state tonight and “kick off” a marine push over the region starting late this afternoon and evening. Trough will remain over the region on Friday bringing some convective clouds but most likely no moisture. Expect continued breezy NW flow and an unstable air mass.

 

    EXTENDED DISCUSSION

 

Upper level trough will remain over the state through Sunday but will gradually weaken allowing for more sunshine and warmer temperatures through the holiday weekend. Trough moves to the east with a ridge building along the coast on Monday.

 

2.  DISPERSION

 

FRIDAY

 

Mixing height below 3000 ft early rising above 5000 ft by late morning.

 

Transport wind NW to N at 4 - 8 mph during the morning.  Transport wind increases to WNW to NNW at 9 - 15 mph during the afternoon and increases to NW to N at 10 - 22 mph during the evening.

 

Surface wind NW to N at 4 - 8 mph during the morning.  Surface wind increases to WNW to NNW at 8 - 12 mph during the afternoon and increases to NW to N at 10 - 20 mph during the evening.

 

OUTLOOK:

 

SATURDAY

Mixing height below 1000 ft early rising to 3700 - 4700 ft by late morning rising above 5000 ft during the afternoon.  Transport wind light and variable.  Surface wind light and variable.

 

SUNDAY

Mixing height below 1000 ft early rising to 4500 - 5000 ft by late morning rising above 5000 ft during the afternoon.  Transport wind light and variable during the morning becoming W to NW at 6 - 10 mph during the afternoon.  Surface wind light and variable during the morning becoming W to NW at 5 - 9 mph during the afternoon.

 

MONDAY

Mixing height below 1000 ft early rising to 4000 - 5000 ft by late morning rising above 5000 ft during the afternoon.  Transport wind NW to N at 4 - 8 mph.  Surface wind light and variable during the morning becoming NW to N at 5 - 9 mph 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 Friday, May 27, 2016.

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Avoid ignitions within 10 miles to the WNW through N of SSRAs.  For units that will smolder significantly through the night avoid burning within at least 15 miles to the WNW through N in or near drainages leading to SSRAs.  Verify transport winds away from SSRAs if burning in any other direction. 

 

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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.

 

    http://www.odf.state.or.us/DIVISIONS/protection/fire_protection/Daily/lmt.htm

 

    To subscribe to or unsubscribe from the email list for this product, please go to the link:

    http://weather.smkmgt.com/mailman/listinfo/

 

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

    http://oregon.gov/ODF/FIRE/SMP/dailysmoke.shtml

 

    A map of planned and/or accomplished burns is located at:

    http://geo.maps.arcgis.com/apps/webappviewer/index.html?id=a7e321dc8fc444b7a33fbc67bc673a3b

 

5.  BURN MONITORING:

 

    Burns over 2000 tons must be monitored (OAR 629-048-0230(3) - 7/1/14). Monitoring of all

    burns is highly recommended for both smoke management purposes and wildfire potential.