Airshed
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Burn Recommendations

Last Updated: 2018-11-12 12:28:29.728566 MST
Idaho

Per the Airshed Management Group's operation guide regarding federal holidays, proposals created after 1200 MDT on Friday (11/9) for Tuesday (11/13) ignition will be restricted due to late submission time.  


Montana

Per the Airshed Management Group's operation guide regarding federal holidays, proposals created after 1200 MDT on Friday (11/9) for Tuesday (11/13) ignition will be restricted due to late submission time.  



The following timely proposals are restricted:

 

AS 1

#201494 Keeler Lookout, #201493 Yodkin Road 6074 – due to dispersion conditions

 

AS 2

172834 North Spencer, 201254 Road 2964B Right of Way Piles, 201259 Louie 221A and 225 Landings, 201264 Louie 223 Grapple Piles, 201262 Louie 223A Landings, 200400        Shelter Valley, 201267 Road 2964A Right of Way Piles, 201260 Louie 224 Landings, 201257 Louie 227 Grapple Piles, 201265 Louie 223A Grapple Piles, 201261 Louie 223 Landings, 171233 Spencer South – due to dispersion conditions and location within the Kalispell Impact Zone

200309 LaMoose Springs – due to dispersion conditions

 

AS 3a

200212 Line Cub – due to dispersion conditions.

 

AS 3b

175156 Chamberlain Landings, 200321 Air Rice 36, 200320 Air Rice 16, 200322 Tote Rd.– due to dispersion conditions

 

AS 4

201314 Westside 10 – due to dispersion conditions

 

AS 5

176226 Sapphire Complex – due to dispersion conditions


Meteorology/Dispersion Discussion

Last Updated: 2018-11-13 07:36:12.819562 MST

Tuesday November 13 Discussion: High pressure ridging will maintain poor dispersion today for the ID and Western MT airsheds. The ridge will weaken slightly tomorrow/thursday, which will improve dispersion slightly those areas. A stronger trough in NW flow aloft should bring good mixing to the western airsheds Friday, along with N-NE winds, which will diminish Saturday. Ridging will likely return poor dispersion to the western airsheds for the first half of next week. 

POOR dispersion Today ID and Western MT with high pressure ridging. Light/variable surface winds. GOOD-EXCELLENT dispersion Central/Eastern MT with SW-W surface winds. 

MARGINAL dispersion Wednesday ID and Western MT with weak low pressure trough centered over the Continental Divide.  Scattered snow showers. Light SW-W surface winds. GOOD-EXCELLENT dispersion Central/Eastern MT with westerly surface winds.

MARGINAL dispersion Thursday ID and Western MT with light NW flow aloft. Light SW-W surface winds. GOOD-EXCELLENT dispersion Central/Eastern MT with westerly surface winds. 

MARGINAL-GOOD dispersion Friday ID and Western MT as upper trough moves in. Areas of rain/snow. NE-E winds North ID and Western MT. W-NW winds S half ID. EXCELLENT dispersion Central/Eastern MT N-NE surface winds. Snow. 

MARGINAL dispersion Saturday ID and Western MT with light N flow aloft. Light NE-E surface winds. GOOD dispersion Central/Eastern MT with westerly surface winds. 

POOR dispersion Sunday ID and Western MT with high pressure ridging building in. Light/variable surface winds. GOOD dispersion Central/Eastern MT with SW-W surface winds. 

POOR dispersion Monday ID and Western MT with high pressure ridging persisting. Light/variable surface winds. GOOD dispersion Central/Eastern MT with SW-W surface winds. 

POOR dispersion Tuesday ID and Western MT with high pressure ridging persisting. Light/variable surface winds. MARGINAL-GOOD dispersion Central/Eastern MT with SW-W surface winds. 

POOR dispersion Wednesday ID and Western MT with high pressure ridging persisting. Light/variable surface winds. GOOD dispersion Central/Eastern MT with SW-W surface winds. 

Wednesday 14 November Dispersion Forecast

MONTANA

Northwest (AS 1, 2): MARGINAL.

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

Southwest (AS 7, 8A, 8B): MARGINAL. 

Central/Eastern (AS 9, 10): GOOD-EXCELLENT.  


IDAHO:

North (AS 11): MARGINAL.  

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

West Central (AS 14, 15, 21): MARGINAL. 

East Central (AS 16, 17):  MARGINAL. 

Northeast (AS 18, 19): MARGINAL. 

Southeast (AS 20): MARGINAL

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


Prepared by Michael Richmond, Predictive Services NRCC Meteorologist.