WebAug 1, 2024 · This chart shows annual values of the Palmer Drought Severity Index, averaged over the entire area of the contiguous 48 states. Positive values represent wetter-than-average conditions, while negative values represent drier-than-average conditions. A value between -2 and -3 indicates moderate drought, -3 to -4 is severe drought, and -4 … WebIt is a hydrologic or persistent climatological drought index, since it attempts to quantify the scope, severity, and frequency of prolonged periods of abnormally dry weather. It works reasonably well for this purpose. The Palmer indexing procedure was developed to help fulfill the need to define and quantify droughts.
Standardized Precipitation Index (SPI) Climate Data Guide
WebThe Palmer Drought Severity Index (PDSI) uses readily available temperature and precipitation data to estimate relative dryness. It is a standardized index that generally spans -10 (dry) to +10 (wet). Maps of … WebEnter the email address you signed up with and we'll email you a reset link. eheim pro 4 and canister filter
Estimation and easy calculation of the Palmer Drought Severity Index ...
WebJan 2, 2024 · Additional Precipitation Needed to Bring Palmer Index to -0.5 Inches. Current Crop Moisture Index Map (by Climate Divisions) Current Palmer Drought Severity & Crop Moisture Indices Data. Palmer Drought Severity & Crop Moisture Indices Data for Last 3 Weeks. Topsoil Moisture Monitoring. WebDrought is a natural hazard that inflicts costly damage to the environment and human communities. Although ample literature exists on the climatological aspects of drought, … WebJun 15, 2005 · The Palmer Drought Severity Index (PDSI) and Crop Moisture Index (CMI) are indices of the relative dryness or wetness effecting water sensitive economies. The … foli masteries raid shadow legends