NOUS41 KWBC 121229



Service Change Notice 11-25

National Weather Service Headquarters Washington DC

830 AM EDT Tue Jul 12 2011


To:       Subscribers

          -Family of Services

          -NOAA Weather Wire Service

          -Emergency Managers Weather Information Network


          Other NWS Partners and Employees


From:     Wayne Higgins,

          Director, Climate Prediction Center


Subject:  U.S. Drought Monitor Impact Type Labels Change

          Effective September 29, 2011


The U.S. Drought Monitor impact type labels and drought impact types key will change. The Agricultural (A) and Hydrological (H) impact types will become Short-Term (S) and Long-Term (L), respectively. The drought impact types key will change from
A = Agricultural (Crops, Pastures, Grasslands) to
S = Short-Term, Typically less than 6 months (e.g. Agriculture, Grasslands), and from:
H = Hydrological (Water) to
L = Long-Term, Typically greater than 6 months (E.G. Hydrology, Ecology)


The Drought Monitor is online at:


If you have any questions or comments, please contact:


    Ed O’Lenic

    Operations Branch Chief

    Camp Springs, MD 20746

    301-763-8000 x7528


National Service Change Notices are online at: