Jefferson County Smoke Management Program

The Jefferson County Smoke Management Program is a cooperative effort of Jefferson County Seed Growers and the Jefferson County Rural Fire Protection District, committed to a safe, controlled agricultural field burning season that insures public safety and minimizes, to the greatest degree possible, impacts of smoke on the communities of Central Oregon.

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MORNING AIRCRAFT SOUNDING 

Friday, September 3   2010

 

 
2500 ft     5500 ft   Pilot Observations: 

 
3000 ft   6000 ft   Time: 7:00 am  
3500 ft   6500 ft   Surface Temp:    
4000 ft   7000 ft   Winds:    
4500 ft   7500 ft   Visibility:
5000 ft   8000ft  

N@4000ft:

 unrestricted         clear
( all elevations: MSL) :

No open field burning will be allowed over the Labor Day Weekend- Friday, Saturday, Sunday, and Monday will be no-burn days.

 N@8000ft unrestricted clear

S@4000ft:

 80-100 clear  

S@8000ft:

 80-100 clear  
Pilot Narrative:

 

transport winds:

4000ft/            6000ft/   

8000ft/

Madras Airport Elev. 2450 ft. MSL

Forecast Data Comparison
September 2     FORECAST ACTUAL
  11am 2pm  5pm   8pm  11am 2pm  5pm   8pm
Temperature: 65 78 83 70 64 76 81 70
Relative Humidity: 52 29 23 36 55 36 29 40
Surface Wind Direction: 030 070 140 030 011 009 004 020
Surface Wind Speed: 4 9 8 6 2 7 12 8
Transport Wind Direction 070 120 130 010        
Transport Wind Speed: 6 10 10 5        
Mixing Heights 4500 5300 5000 1000        
Ventilation Index: 27 53 50 5