Standardized Precipitation Index
Standardized Precipitation Index (SPI) - Climate Data Guide
The SPI can be compared across regions with markedly different climates. It quantifies observed precipitation as a standardized departure from a selected ...
Global Gridded Standardized Precipitation Index (SPI ... - Drought.gov
This global SPI is derived from the NOAA CMORPH dataset, using the Climate Engine tool, and includes timescales of 1, 2, 3, 6, 9 and 12 months.
Standardized Precipitation Index (SPI) - NASA GMAO
The SPI is used for estimating wet or dry condition based on precipitation variable. This wet or dry condition can be monitored by the SPI on a variety of time ...
DNR: Water: Explanation of Standard Precipitation Index (SPI) - IN.gov
The Standardized Precipitation Index (SPI) was designed to show that it is possible to simultaneously experience wet conditions on one or more time scales, and ...
Standardized Precipitation Index - an overview | ScienceDirect Topics
Like the SSI, the SPI is based on the conversion of precipitation anomalies to probabilities using long-term records. The anomalies are accumulated over periods ...
Standardized Precipitation Index (SPI)
Figure 1: Examples of the monthly updated Precipitation and SPI indicators, produced by the. Copernicus European Drought Observatory (EDO). The classification ...
U.S. Gridded Standardized Precipitation Index (SPI) from nClimGrid ...
The US Gridded Standardized Precipitation Index (SPI) is derived from the nClimGrid-Monthly dataset and includes timescales of 1, 2, 3, 6, 9, 12, 24, 36, ...
Standardized Precipitation Index - Climate Data Library
The Standardized Precipitation Index (SPI; McKee 1993) is the number of standard deviations that observed cumulative precipitation deviates from the ...
SPI Map Interpretation - National Drought Mitigation Center
A 3-month SPI reflects short- and medium-term moisture conditions and provides a seasonal estimation of precipitation. In primary agricultural regions, a 3- ...
Standardized Precipitation Index - National Weather Service
Palmer Drought Severity Index (PDSI) in widespread use in many parts of the US BUT SPI is dependent only on rainfall data.
An improved daily standardized precipitation index dataset for ...
The standardized precipitation index (SPI), one of the most commonly used drought indicators, is widely used in the research areas of ...
Regional Climate Centers (RCC) deliver climate services at national, regional and state levels working with NOAA partners in the National Climatic Data ...
SPI Program - National Drought Mitigation Center
Overview. The SPI Generator application serves to generate SPI (Standard Precipitation Index) data and illustrate how to interact with the SPI DLL (Dynamically ...
Standardized Precipitation Index (SPI) Recent Conditions
Standardized Precipitation Index (SPI) calculated from CHIRPS. Current month: April 2024.
Drought Indices: Standardized Precipitation Index
3 month Standardized Precipitation Index, 6 month Standardized Precipitation Index, 12 month Standardized Precipitation Index, 24 month Standardized ...
Standardized Precipitation Index (SPI) - Open Government Portal
Standardized Precipitation Index (SPI) ... The Standardized Precipitation Index (SPI) has been recognized as the most accessible index for quantifying and ...
EDO Standardized Precipitation Index, 6-month accu...
Description. The 6-month Standardized Precipitation Index (SPI-6) is a meteorological drought indicator to monitor precipitation anomalies over 6-month ...
Monitoring the 1996 Drought Using the Standardized Precipitation ...
Recently, a new index, the Standardized Precipitation Index (SPI), was developed to improve drought detection and monitoring capabilities. The SPI has ...
A universal Standardized Precipitation Index candidate distribution ...
This study illuminates that long-standing dispute and proposes a solution that ensures the normality of the index for all common accumulation periods in ...
NCL: Standardized Precipitation Index (SPI)
NCL data analysis example page. Demonstrates how to calculate the Standardized Precipitation Index (SPI).