Posted: Jul 8, 2013 11:20 AM by Meteorologist Mike Heard
Updated: Jul 8, 2013 12:43 PM
Montana drought monitor updated July 2 shows very little change in conditions for SW Montana despite recent storms.
All of SW Montana is in some state of drought with the worst conditions centered over Madison county. Extreme drought covers most of Madison county, and a small percentage of Beaverhead, Jefferson, Broadwater and Gallatin counties.
3.13% of Montana is reporting Extreme Drought conditions, 3.21% is Severe, 9.38% is in the Moderate state and 16.49% is abnormally dry.
SW Montana continues to see short falls in precipitation according to climate reports from the National Weather Service on the water year, year to date and month to date scales:
Water year to data percent of average values: (Oct. 1, 2012 to present)
Butte 73%, Bozeman MSU 88%, Dillon Airport 78%, Ennis 83%, Boulder 86%, Townsend 69%.
Year to date 2013 Precipitation percent of average values:
Butte 69%, Bozeman MSU 89%, Dillon Airport 79%, Ennis 76%, Boulder 79%, Townsend 62%.
U.S. Seasonal Drought Outlook forecast through September 30th is calling for persistent drought for most of SW Montana. There is some good news to report due to recent heavy rains this spring much of central and SE Montana has eased and eliminated the drought conditions.
Long range forecasts from the Climate Prediction Center, July through September, is calling for Above Normal Temperatures and Below Normal Precipitation.