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Little or no rainfall received in most parts of Somalia

  • Seasonal Monitor
  • Somalia
  • December 14, 2016
Little or no rainfall received in most parts of Somalia

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    USGS

    Most of Somalia remained dry between December 1 and 10, as the Deyr rainy season nears completion. However, localized light to moderate rains fell in southern areas of Lower and Middle Juba, Bay, Gedo, and Lower Shabelle. According to RFE2 satellite-derived images, these areas received between 10 and 50 millimeters (mm) of rainfall (Figure 1) during the reporting period. Given that most parts of the country do not receive much rainfall in December, the rainfall received in Gedo and Lower Juba was 10 to 50 mm above the 2005-to-2009 short-term mean (STM). However, this rainfall follows weeks of large rainfall deficits throughout the Deyr season. In all other areas, the lack of rainfall was either climatologically normal for early December, or a slight deficit (Figure 2).

    In the Northwest, no rainfall was received in Awdal, Sanaag, Sool, Togdheer or Woqooyi Galbeed from December 1-10. While dryness persists in all livelihood zones of this region, drought conditions are most severe in the eastern part of the Northwest. It was reported that more livestock migrated from Hawd Pastoral livelihood zone of Sool and Togdheer to Northwest Agropastoral livelihood zone of Woqooyi Galbeed in search of water and crop fodder. 

    In the Northeast, no rainfall was received during the reporting period. Atypical dryness persists in all livelihood zones of Bari, Nugaal, and northern Mudug. Rangeland resources and livestock body conditions are already very poor in this region and further deterioration is expected. Livestock migration options are limited due to widespread drought both within the Northeast and in neighboring regions.

    In central regions, no rainfall was reported in Galgaduud or southern Mudug. As minimal rainfall was received in central regions in the past few weeks, rangeland and water resources are deteriorating at a faster than normal rate. Significant livestock migration was reported from pastoral livelihood zones of Mudug and Galgaduud towards northern Hiiraan, where some rainfall was received in late November.

    In the South, localized light to moderate rainfall was received in Lower Juba, Middle Juba, and parts of Bay, Lower Shabelle, and Gedo. However, no rainfall was received throughout Bakool, Hiraan, or Middle Shabelle during the reporting period. Rain gauge stations recorded 12-30 mm of rainfall in Baioda, Qansahdhere, and Dinsor of Bay, 5 mm in Beledweye of Hiiraan, 6 mm in Bardhere of Gedo, and 20 mm in Sakow of Middle Juba. River water levels in the Shabelle River increased during the reporting period, as a result of rainfall upriver in the Ethiopian highlands. Increased river water is expected to support irrigated crops in riverine agricultural areas.

    According to the satellite-derived eMODIS Normalized Difference Vegetation Index (NDVI), vegetation conditions remain significantly below average throughout Somalia (Figure 3), although isolated areas in southern Somalia have improved as a result of increased rainfall in late November and early December. The seven-day rainfall forecast from the National Oceanic and Atmospheric Association’s Climate Prediction Center (NOAA/CPC) forecast little to no rainfall through December 20 (Figure 4).

    or more rain gauge data, please, contact So-Hydro@fao.org or visit www.faoswalim.org.


    About this Report

    FEWS NET publishes a Seasonal Monitor for Somalia every 10 days (dekad) through the end of the current October to December Deyr rainy season. The purpose of this document is to provide updated information on the progress of the Deyr season to facilitate contingency and response planning. This Somalia Seasonal Monitor is valid through December 20, 2016 and is produced in collaboration with U.S. Geological Survey (USGS), the Food Security and Nutrition Analysis Unit (FSNAU) Somalia, the Somali Water and Land Information System (SWALIM), a number of other agencies, and several Somali non-governmental organizations (NGOs).

    Figures

    Figure 1

    Estimated rainfall (RFE2) in millimeters (mm), December 1-10, 2016

    Source: NOAA/USGS/FEWS NET

    Figure 2

    December 1-10, 2016 rainfall anomaly (RFE2) in mm from 2005-to-2009 mean

    Source: NOAA/USGS/FEWS NET

    Figure 3

    eMODIS Normalized Difference Vegetation Index (NDVI) anomaly from 2001- 2010 mean, December 1-10, 2016

    Source: NOAA/USGS/FEWS NET

    Figure 4

    Global Forecast System (GFS) rainfall forecast in mm for December 20, 2016

    Source: NOAA/USGS/FEWS NET

    FEWS NET’s Seasonal Monitor reports are produced for Central America and the Caribbean, West Africa, East Africa, Central Asia, and Somalia every 10-to-30 days during the region’s respective rainy season(s). Seasonal Monitors report updates on weather events (e.g., rainfall patterns) and associated impacts on ground conditions (e.g., cropping conditions, pasture and water availability), as well as the short-term rainfall forecast. Find more remote sensing information here.

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