Information for May 23, 2017

Burn Recommendations  latest update: 05/22/2017 13:31

MONTANA

No restrictions.

IDAHO

No restrictions.


These burn recommendations apply only to members of the Montana/Idaho Airshed Group. Nonmembers should follow any applicable local, state, or Tribal guidelines regarding open burning.


Meteorology/Dispersion Discussion  latest update: 05/23/2017 07:18

Very warm and dry today over all the airsheds in advance of a strong but mainly dry low pressure trough/cold front that will be moving through late tonight and tomorrow. Much cooler and very windy tomorrow as this system sweeps east. Only higher terrain west of the Divide and Eastern Montana will see showers tomorrow. Residual low pressure troughing will maintain cool showery conditions ID and Western/Central MT Thursday and Friday. Dispersion will remain good or better all days into the weekend all airsheds. 
TUESDAY 23 MARCH DISCUSSION:
GOOD-EXCELLENT dispersion ID and Western MT Today and warm with strengthening westerly flow aloft. Southwest-west surface/transport flow. GOOD-EXCELLENT dispersion Central and Eastern MT.  Southerly surface/transport flow.

GOOD-EXCELLENT dispersion ID and Western MT Wednesday behind cold front. Cooler and windy. Scattered showers far N ID and higher terrain Western MT. Westerly surface/transport flow. GOOD-EXCELLENT dispersion Central and Eastern MT and very windy. Westerly surface/transport flow. Scattered showers/isolated wet storms Eastern MT. 
GOOD-EXCELLENT dispersion ID and Western MT Thursday under low pressure trough. Light west-northwest surface/transport flow. Scattered showers and wet storms. GOOD-EXCELLENT dispersion Central and Eastern MT with northwesterly surface/transport flow. Scattered showers/wet storms mainly Central MT. 
GOOD-EXCELLENT dispersion ID and Western MT Friday under northerly flow aloft. Light northwesterly surface/transport flow. Scattered showers and wet storms. GOOD-EXCELLENT dispersion Central and Eastern MT with northwesterly surface/transport flow. Scattered showers/wet storms mainly Central MT. 
GOOD-EXCELLENT dispersion ID and Western MT Saturday under light northerly flow aloft. Light northwest-north surface/transport flow. Scattered showers and wet storms mainly higher terrain. GOOD-EXCELLENT dispersion Central and Eastern MT with northwesterly surface/transport flow. Scattered showers/wet storms.
GOOD-EXCELLENT dispersion ID and Western MT Sunday under light northerly flow aloft. Northeast-east surface/transport flow. Isolated showers/wet storms. GOOD-EXCELLENT dispersion Central and Eastern MT with northwest-north surface/transport flow. Scattered showers/wet storms mainly Eastern MT. 
Wednesday 24 May Dispersion Forecast

MONTANA

Northwest (AS 1, 2)  GOOD-EXCELLENT.

West Central (AS 3A, 3B, 4, 5, 6):  GOOD-EXCELLENT.

Southwest(AS 7, 8A, 8B):  GOOD-EXCELLENT.

Eastern Montana (AS 9 and 10): GOOD-EXCELLENT. 

  

IDAHO:

North (AS 11):   GOOD-EXCELLENT. 

North Central (AS 12A, 12B, 13):  GOOD-EXCELLENT. 

West Central (AS 14, 15, 21A):   GOOD-EXCELLENT.

East Central (AS 16, 17):  GOOD-EXCELLENT. 

Northeast (AS 18, 19):   GOOD-EXCELLENT. 

Southeast (AS 20):  GOOD-EXCELLENT. 

Southwest (AS 21B, 22, 23, 24, 25):  GOOD-EXCELLENT.


Prepared by Michael Richmond Northern Rockies Met


Forecast for

Burn Recommendations  latest update:

No information posted for 05/24/2017.


Meteorology/Dispersion Discussion  latest update: 05/23/2017 07:19

WEDNESDAY MARCH 24 DISCUSSION:
GOOD-EXCELLENT dispersion ID and Western MT Today behind cold front. Cooler and windy. Scattered showers far N ID and higher terrain Western MT. Westerly surface/transport flow. GOOD-EXCELLENT dispersion Central and Eastern MT and very windy. Westerly surface/transport flow. Scattered showers/isolated wet storms Eastern MT. 
GOOD-EXCELLENT dispersion ID and Western MT Thursday under low pressure trough. Light west-northwest surface/transport flow. Scattered showers and wet storms. GOOD-EXCELLENT dispersion Central and Eastern MT with northwesterly surface/transport flow. Scattered showers/wet storms mainly Central MT. 
GOOD-EXCELLENT dispersion ID and Western MT Friday under northerly flow aloft. Light northwesterly surface/transport flow. Scattered showers and wet storms. GOOD-EXCELLENT dispersion Central and Eastern MT with northwesterly surface/transport flow. Scattered showers/wet storms mainly Central MT. 
GOOD-EXCELLENT dispersion ID and Western MT Saturday under light northerly flow aloft. Light northwest-north surface/transport flow. Scattered showers and wet storms mainly higher terrain. GOOD-EXCELLENT dispersion Central and Eastern MT with northwesterly surface/transport flow. Scattered showers/wet storms.
GOOD-EXCELLENT dispersion ID and Western MT Sunday under light northerly flow aloft. Northeast-east surface/transport flow. Isolated showers/wet storms. GOOD-EXCELLENT dispersion Central and Eastern MT with northwest-north surface/transport flow. Scattered showers/wet storms mainly Eastern MT. 
Thursday 25 May Dispersion Forecast

MONTANA

Northwest (AS 1, 2)  GOOD-EXCELLENT.

West Central (AS 3A, 3B, 4, 5, 6):  GOOD-EXCELLENT.

Southwest(AS 7, 8A, 8B):  GOOD-EXCELLENT.

Eastern Montana (AS 9 and 10): GOOD-EXCELLENT. 

  

IDAHO:

North (AS 11):   GOOD-EXCELLENT. 

North Central (AS 12A, 12B, 13):  GOOD-EXCELLENT. 

West Central (AS 14, 15, 21A):   GOOD-EXCELLENT.

East Central (AS 16, 17):  GOOD-EXCELLENT. 

Northeast (AS 18, 19):   GOOD-EXCELLENT. 

Southeast (AS 20):  GOOD-EXCELLENT. 

Southwest (AS 21B, 22, 23, 24, 25):  GOOD-EXCELLENT.


Prepared by Michael Richmond Northern Rockies Met