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 ID. 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. 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 Divide. Light/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 ID. 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. 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 Divide. Light/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