 NCDC / Climate Mon. / Climate-2005 / March / U.S. Drought / Regional Drought / Indicators / Help
Climate of 2005 - March
U.S. Drought Indicators
National Climatic Data Center, 10 April 2005
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Global Analysis /
Global Hazards /
United States /
U.S. Regional Drought /
U.S. Drought Indicators /
Extremes
Use these links to access detailed analyses of Global and U.S. data.
The data presented in this drought report are preliminary. Ranks, anomalies, and percent areas may change as more complete data are received and processed.
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Several climate indicators are used to monitor drought in the United States. These indicators include:
- the Palmer Z Index, Palmer Drought Severity Index, and Palmer Hydrological Drought Index
- the one-month, two-month, three-month, six-month, nine-month, 12-month, and 24-month Standardized Precipitation Index
- maps showing the long-term (36-month, 48-month, and 60-month) percent of normal precipitation
- maps showing the percent of normal precipitation for airport stations for the current month, year-to-date, and last three months
- the statewide precipitation ranks for current month (short-term) and 3-months, 6-months, and 12 months (longer-term)
- the 1-month, 3-month, and 12-month percent of normal precipitation maps, based on Cooperative Network and other station reports, provided by the NOAA Regional Climate Centers (HPRCC)
- NOAA National Weather Service National Precipitation Verification Unit quantitative precipitation estimates based on radar observations and station precipitation measurements:
- NOAA satellite observations of vegetation health are most effective during the warm season months:
detailed map - climate division map
- modeled runoff, evaporation, and soil moisture conditions as calculated by the National Weather Service
- modeled soil moisture conditions as calculated by the National Weather Service Leaky Bucket Model:
- modeled soil moisture conditions in the top and deeper soil layers as calculated by the Midwest Regional Climate Center
- the percent of average precipitation map for the water year to date for the SNOTEL stations in the western mountains provided by the Western Regional Climate Center
- the percent of average snow water content map for the SNOTEL stations in the western mountains provided by the Western Regional Climate Center
- the April 1, 2005 mountain snow course snowpack observations made by the USDA Natural Resources Conservation Service:
- the USGS daily streamflow and monthly mean streamflow maps
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- For all climate questions other than questions concerning this report, please contact the National Climatic Data Center's Climate Services Division:
Climate Services Division
NOAA/National Climatic Data Center
151 Patton Avenue
Asheville, NC 28801-5001
fax: 828-271-4876
phone: 828-271-4800
email: ncdc.info@noaa.gov
- For further information on the historical climate perspective presented in this report, contact:
Richard Heim
NOAA/National Climatic Data Center
151 Patton Avenue
Asheville, NC 28801-5001
fax: 828-271-4328
email: Richard.Heim@noaa.gov
-or-
Jay Lawrimore
NOAA/National Climatic Data Center
151 Patton Avenue
Asheville, NC 28801-5001
fax: 828-271-4328
email: Jay.Lawrimore@noaa.gov
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NCDC / Climate Mon. / Climate-2005 / March / U.S. Drought / Regional Drought / Indicators / Help
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