Information for September 19, 2017

Burn Recommendations  latest update:

No information posted for today.


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: 09/18/2017 11:13

GOOD-EXCELLENT dispersion ID and Western MT Today with SW-W surface winds and transport flow under low pressure trough. Widespread showers. GOOD-EXCELLENT dispersion Central and Eastern MT with westerly winds.  Scattered showers.   
GOOD-EXCELLENT dispersion ID and Western MT Wednesday with SW-W surface winds and transport flow as low pressure system moves through. Rain turning to shower North and Central ID and Western MT. Scattered showers S ID. GOOD-EXCELLENT dispersion Central and Eastern MT with SW-W winds under low pressure trough. Scattered showers Central MT. 
GOOD dispersion ID and Western MT Thursday under light northerly flow aloft. Light N-NE winds N half of ID and Western MT. Light W-NW winds S ID. Scattered showers mainly higher terrain. GOOD-EXCELLENT dispersion Central and Eastern MT under low pressure trough. NW-N surface/transport flow. Rain/snow over higher terrain SW and S-Central MT.
GOOD dispersion ID and Western MT Friday. Low pressure trough will be centered over Central IDN-NE winds N half of ID and Western MT. Light W-NW winds S ID. Scattered showers mainly higher terrain. GOOD-EXCELLENT dispersion Central and Eastern MT. NE surface/transport flow. Areas of rain and mountain snow. 
MODERATE dispersion ID and Western MT Saturday. Low pressure trough will be centered over Continental DivideLight/variable winds ID/Western MT with strong valley inversions. Scattered showers over higher terrain. GOOD-EXCELLENT dispersion Central and Eastern MT. NE-E surface/transport flow. Scattered showers. 
Wednesday 20 September 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: 09/19/2017 15:52

MONTANA

No restrictions.

IDAHO

No restrictions.


Meteorology/Dispersion Discussion  latest update: 09/18/2017 11:14

GOOD-EXCELLENT dispersion ID and Western MT Wednesday with SW-W surface winds and transport flow as low pressure system moves through. Rain turning to shower North and Central ID and Western MT. Scattered showers S ID. GOOD-EXCELLENT dispersion Central and Eastern MT with SW-W winds under low pressure trough. Scattered showers Central MT. 
GOOD dispersion ID and Western MT Thursday under light northerly flow aloft. Light N-NE winds N half of ID and Western MT. Light W-NW winds S ID. Scattered showers mainly higher terrain. GOOD-EXCELLENT dispersion Central and Eastern MT under low pressure trough. NW-N surface/transport flow. Rain/snow over higher terrain SW and S-Central MT.
GOOD dispersion ID and Western MT Friday. Low pressure trough will be centered over Central IDN-NE winds N half of ID and Western MT. Light W-NW winds S ID. Scattered showers mainly higher terrain. GOOD-EXCELLENT dispersion Central and Eastern MT. NE surface/transport flow. Areas of rain and mountain snow. 
MODERATE dispersion ID and Western MT Saturday. Low pressure trough will be centered over Continental DivideLight/variable winds ID/Western MT with strong valley inversions. Scattered showers over higher terrain. GOOD-EXCELLENT dispersion Central and Eastern MT. NE-E surface/transport flow. Scattered showers. 
Thursday 21 September Dispersion Forecast

MONTANA

Northwest (AS 1, 2)  GOOD.

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

Southwest(AS 7, 8A, 8B): GOOD.

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

  

IDAHO:

North (AS 11):  GOOD.

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

West Central (AS 14, 15, 21A): GOOD.

East Central (AS 16, 17): GOOD.

Northeast (AS 18, 19): GOOD.

Southeast (AS 20): GOOD.

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


Prepared by Michael Richmond Northern Rockies Met