Information for March 10, 2010

Burn Recommendations  latest update: 03/09/2010 14:21

MONTANA

No restrictions.

IDAHO

No restrictions.


Meteorology/Dispersion Discussion  latest update: 03/08/2010 06:20

WEDNESDAY, March 10 Discussion

Another weak upper level trough will pass to the south of the airsheds on Wednesday. The reamnants of Tuesday's trough will produce light snow over central and eastern Montana.  Conditions will remain unsettled with moderate transport winds from the west-northwest. Expect another day of generally GOOD smoke dispersion.

 

Extended Outlook:

Look for a short lived ridge on Thursday to bring moderate conditions followed by southwest flow Friday ahead of another weekend disturbance. Smoke dispersion should be relatively good with the exception of Thursday.

 

 

 

Wednesday, March 10 - DISPERSION Forecast

 

MONTANA

Northwest (AS 1, 2): GOOD to EXCELLENT.

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

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

Eastern Montana (AS 9 and 10): GOOD.

 

IDAHO:

North (AS 11): GOOD to EXCELLENT.

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

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

East Central (AS 16, 17): GOOD.

Northeast (AS 18, 19):  GOOD.

Southeast (AS 20):  GOOD to EXCELLENT.

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

 

Prepared by Mike Kreyenhagen, Northern Rockies Met


Forecast for

Burn Recommendations  latest update: 03/10/2010 14:47

MONTANA

No restrictions.

IDAHO

No restrictions.


Meteorology/Dispersion Discussion  latest update: 03/09/2010 09:09

THURSDAY, March 11 Discussion

A fairly strong ridge of high pressure will build in for Thursday (and Friday) and will produce mostly MODERATE conditions until around mid afternoon across the region. There is a chance that some of the more narrow valleys and canyons across N ID and NW MT may not break out of the inversions at all. However...I think these will be the exception. Transport wind flow will generally be light and from the SW on both days and skies will return to being mostly sunny.

 

Extended Outlook:

Conditions will improve significantly on Saturday as a fairly strong and moist early spring frontal system moves across the area. Light to moderate snowfall amounts will be possible in all elevations (very light down low, moderate up high). Another ridge will begin to build over the area on Sunday...but dispersion should remain fairly GOOD due to a decent W/SW transport wind flow. The ridge will intensify on Monday and Tuesday, possibly leading to some mixed conditions where the inversions might hold until early afternoon before breaking out. This ridge should be followed by another system next Wednesday to flush everything out.

 

 

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Thursday, March 11 - DISPERSION Forecast

 

MONTANA

Northwest (AS 1, 2): MODERATE until 1400...then GOOD.

West Central (AS 3A, 3B, 4, 5, 6): MODERATE until 1400...then GOOD.

Southwest(AS 7, 8A, 8B): MODERATE until 1100...then GOOD.

Eastern Montana (AS 9 and 10): GOOD.

 

IDAHO:

North (AS 11): MODERATE until 1400...then GOOD.

North Central (AS 12A, 12B, 13): MODERATE until 1400...then GOOD.

West Central (AS 14, 15, 21A): MODERATE until 1200...then GOOD.

East Central (AS 16, 17): MODERATE until 1200...then GOOD.

Northeast (AS 18, 19):  GOOD.

Southeast (AS 20):  GOOD.

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

 

Prepared by Bryan Henry, Northern Rockies Met