Thursday, August 20, 2009

Mid-Atlantic Drought Update

For more posts on Washington, DC temperature and precipitation, see:
Washington DC Weather Records

After diminishing earlier in the summer, minimal drought has crept back into much of the Washington-Baltimore region. D0 (Abnormally Dry) conditions have jumped this week from 17% to nearly half of the state of Virginia. In Maryland, the D0 area has increased from 48% to 54% of the state.

Through Aug. 20, monthly rainfall at Washington National is less than 50% of average, and seasonal rainfall since June 1 is a little more than 1" in deficit. As of 5 pm today, monthly/seasonal/yearly totals in the area are:
Washington National 0.92"/7.85"/25.12"
Washington Dulles 0.41"/9.28"/29.06"
Baltimore (BWI) 1.52"/10.33"/29.61"
Images (click to enlarge): Maryland and Virginia weekly drought conditions from U.S. Drought Monitor (NOAA/USDA)

No comments:

Seasonal Outlook

Latest seasonal forecast: Click here.

Latest 3-month temperature outlook from Climate Prediction Center/NWS/NOAA.