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Higher Ground for Flood Evacuation in Bardheere and Luuq Districts

Somalia grapples with the looming impacts of an impending El Niño, exacerbating the ongoing climate change challenges. Recurrent riverine and flash floods, particularly in urban centers are of significant concern. Urgent action is needed to prepare for and mitigate the forthcoming El Niño floods, aiming to safeguard lives and mitigate economic losses. Key to this strategy is proactive flood management, involving timely evacuations to higher ground. Identifying suitable elevated areas serves a dual purpose, ensuring safety and facilitating aid delivery. In this regard a rigorous GIS & RS methodology by SWALIM considered nine crucial factors, such as historical flood extent, elevation, slope, topographic wetness index, drainage density, strategic boreholes, settlements, land cover, and roads, to isolate higher grounds suitable for evacuation. The resulting maps show safe areas for evacuation in case of flooding, while exercising discretion considering factors like proximity to schools, healthcare facilities, pest prevalence and any other unforeseen factors.

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Map

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Somalia Flood Advisory for Juba and Shabelle Rivers - Issued 21 October 2023

Shabelle River In the last 24 hours, heavy rainfall has been received and recorded (21st October 2023) at Beletweyne (88.2 mm), Mataban (40.0 mm), Bulo Burte (51.0 mm), Mahaday Weyne (20.0 mm), Jalalaqsi (87.0 mm), Jowhar (18.0 mm) and Balcad (23.0 mm). Compared to yesterdays’ measurements, the levels have increased by 1.29 m at Beletweyne, and by 0.12 m at Bulo Burte, while it remained stable at Jowhar. These localized rains also led to flash floods in Beletweyne which affected population, assets, and livestock particularly at the bridge near the ex-livestock market and in Hawo Taako and Kooshin villages. The IDPs are reported to have been safely evacuated to Ceel Jaale. Light rainfall is predicted over the Shabelle catchment within the country in the next 24 hours increasing to moderate cumulative amounts in the coming seven (7) days. Although light rain is forecast over the Shabelle river basin in the Ethiopian highlands today, it is expected to increase to between moderate and heavy rains in the coming seven (7) days. The runoff from previous heavy and forecast light localized rains onto and from seasonal wadis within Hiraan region, together with moderate to heavy rains over the river basin in the Ethiopian highlands, will keep the water levels along Shabelle River rising in the coming seven (7) days. This is therefore an alert to trigger both riverine and flash floods anticipatory actions and to caution communities living at vulnerable areas in Hiraan to be vigilant as the flash flood water stagnates over the saturated surfaces in Beletwyne and the water levels along Shabelle River keep rising. Juba River In the last 24 hours, moderate rainfall has been received and recorded (21st October 2023) at Bardheere (15.0 mm) and Luuq (2.5 mm) with dry conditions over Dollow and Bualle. Compared to yesterdays’ measurements, the levels have increased by 0.5 m at Luuq, increased by 1.04 m at Bardheere, decreased by 0.24 m at Dollow and decreased by 0.17 m at Bualle. The flash floods due to previous localized rains at Luuq have subsided as the water run off to the seasonal wadis and into the Juba River. Light rainfall is predicted over the Juba catchment within the country in the next 24 hours increasing to moderate cumulative amounts in the coming seven (7) days. Although light rain is forecast over the Juba River basin in the Ethiopian highlands today, it is expected to increase to between moderate and heavy rains in the coming seven (7) days. The runoff from previous heavy and forecast light localized rains onto and from seasonal wadis within Gedo region, together with moderate to heavy rains over the river basin in the Ethiopian highlands, will keep the water levels along Juba River rising in the coming seven (7) days. This is therefore an alert to trigger both riverine and flash floods anticipatory actions and to caution communities living at vulnerable areas in Gedo particularly at Luuq and Bardheere to be vigilant as the flash flood water stagnates over the saturated surfaces in Luuq and the water levels along Juba River keep rising.

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Flood Alert

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Somalia Rainfall Forecast – Issued 06 October 2023

Moderate to heavy rains expected over inland parts of Central and North Eastern regions particularly around parts of Gedo, Bay, Bakool and Hiraan regions in South Somalia, parts of Mudug and Galgaduud regions in central Somalia and parts of Sool, Sanaag and Bari regions in Northern Somalia. Moderate rainfall of between 50 and 100 mm is forecast over eastern parts of Bakool region particularly Tayeeglow; northern parts of Bay region, and several areas in Hiraan region particularly Belet Weyne, Mahas, and Mataban (Map 1). Rainfall of similar amounts is also likely over Jariiban district in Mudug, Xasbahale district in Nugaal, and Laas Caanon, Xudun, and Taleex districts in Sool. The rains are likely to spread outwards and intensify over Bay, Hiraan, Mudug and Nugaal and prevail beyond the forecast period to cumulative amounts above 100 mm. Other places forecast to receive comparable amounts of rainfall include Garadag, Dhahar, and Buran in Sanaag region, Qardho and Dangoroyo in Bari region, Buuhodle, Balidhiig, and Warabeye in Togdheer region. Light rainfall of less than 50 mm is anticipated across several areas in Somalia. These include Burao, Beer, and Xaaji Saalax in Togheer region; Caynabo, Waridaad, and Yagori in Sool region; Erigavo and El Afweyne in Sanaag region; Ufayn, Ballidhig, and Bandar Beyla districts in Bari region; Garowe and Burtinle districts in Nugaal region; extensive parts of Mudug region; inland areas of Galgaduud region, particularly around Dhuusamarreb, Cadaado, and Cabudwaaq districts; Adan Yabaal and Jowhar in Middle Shabelle region; Wanla Weyne district in Lower Shabelle region; areas around Baidoa and Qansahdere in Bay region; areas around Luuq and Bardheere in Gedo region, as well as areas around Jamame, Kismaayo, and Badhaadhe districts in Lower Juba region. Dry conditions are likely over extensive areas in Awdal region, Woqooyi Galbeed region, western and northern parts of Togdheer region, as well as coastal and western parts of Sanaag region. Similar dry conditions are likely over extensive coastal and northwestern areas of Bari region, Galkayo district and the southern coastal parts of Mudug region, coastal parts of Galgaduud region, and coastal parts of both Lower and Middle Shabelle regions. Dry conditions are also anticipated over Banadir region, southern parts of Bay region, northern and western parts of Gedo region, as well as extensive areas of Lower and Middle Juba.

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Rainfall Forecast

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Higher Ground for Flood Evacuation in BeletWeyne and Jowhar Districts

Somalia grapples with the looming impacts of an impending El Niño, exacerbating the ongoing climate change challenges. Recurrent riverine and flash floods, particularly in urban centers like Beletweyne and Jowhar, are of significant concern. Urgent action is needed to prepare for and mitigate the forthcoming El Niño floods, aiming to safeguard lives and mitigate economic losses. Key to this strategy is proactive flood management, involving timely evacuations to higher ground. Identifying suitable elevated areas serves a dual purpose, ensuring safety and facilitating aid delivery. In this regard a rigorous GIS & RS methodology by SWALIM considered nine crucial factors, such as historical flood extent, elevation, slope, topographic wetness index, drainage density, strategic boreholes, settlements, land cover, and roads, to isolate higher grounds suitable for evacuation. The resulting maps show safe areas for evacuation in case of flooding, while exercising discretion considering factors like proximity to schools, healthcare facilities, pest prevalence and any other unforeseen factors.

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Map

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Somalia Rainfall Forecast – Issued 27 September 2023

Rainfall Forecast: There is agreement among several forecast products that light to moderate rains of up to 100 mm is expected over the southwest state and central parts of the country, with some forecasting products anticipating more intense rains. The spatial variation of the consensus-based rainfall forecast is follows: Moderate rainfall of between 50 and 100 mm is expected over isolated areas in Galgaduud, Mudug and Hiraan regions. Specifically, such rains are likely over Ceel Buur district and southern parts of Cabudwaaq district in Galgaduud region, northern parts of Belet Weyne district in Hiran region, and northern parts of Jariiban district in Mudug region. Light rainfall of less than 50 mm is anticipated over Bakool, Hiraan, Galgaduud, Mudug, and Nugal regions. Rains of such intensity are also possible over northern parts of Bay region, southern parts of Bari region, and isolated areas in Sool, Togdheer and Woqqoyi Galbeed regions. Dry conditions are likely in extensive areas in the southern and northern parts of the country. In the north such dry conditions are expected over Awdal region, northeastern parts of Woqooyi Galbeed region, Sanaag and Bari regions. In the south, such dry conditions are likely over Gedo region, coastal parts of Middle Shabelle, Lower Shabelle, Middle Juba, and Lower Juba regions. However, there are chances of cloudiness leading up to light rains over some of these areas.

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Rainfall Forecast

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SWALIM

Deyr 2023 Climate Outlook and its Implication on Livelihoods and Programming

Given the recent evolution of warmer than average Sea- Surface Temperatures (SSTs) over the central and eastern equatorial Pacific Ocean, most global climate models have confirmed the presence and persistence of El Niño conditions throughout the October - December 2023 season. Moreover, similar warming of ocean waters near the East African coastline, together with cooling down of the waters near the western Australian coastline, which technically defines a positive Indian Ocean Dipole (IOD), is expected to lead to above normal rains over most parts of East Africa. Somalia’s Deyr (October - December) “short rains” season is associated with the somewhat-faster southward movement of the Inter-Tropical Convergence Zone (ITCZ) which dictates much of the country’s climate. According to ICPAC, the climate outlook for the “Deyr Short Rains’’ season indicates an exceptionally high likelihood (85 %) of enhanced rainfall over southern parts of the country encompassing the catchments of both Juba and Shabelle Rivers where up to 10 consecutive rainy days are probable. Upstream of the river catchments across the Ethiopian border, 4 - 6 consecutive rainy days are expected with higher likelihood of cumulative amounts exceeding 150 mm. In terms of associated risks, the enhanced amounts, more so consecutive rainy days, over Juba and Shabelle River catchments within the country and across the Ethiopian border will likely lead to flooding as from the third week of October. However, the forecast dry conditions over the southern parts of Somalia where the two river catchments lie in the month of September offer some lead time for intervention measures to be put in place to mitigate the potential flood risks. The forecast dry conditions over the agricultural zones in the southern parts of the country in the month of September are also opportune for land preparation. The subsequent rains will likely lead to substantial recharge of water sources, replenished water catchment levels, and improved soil moisture conditions. These will create favorable conditions for grass regeneration, offering fodder for the livestock, and timely crop planting across the agro-pastoral livelihoods.

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Rainfall Outlook

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Gu 2023 Rainfall Performance Review, Hagaa Outlook and Implications on Livelihoods

Review of the 2023 March-April-May (MAM) seasonal rainfall has demonstrated three key points: First, there was an early transition into the Gu (April-May-June) long rains season in Somalia this year. Secondly, above Long Term Mean (LTM) rainfall was received over Puntland and Somaliland and below LTM over South and Central Somalia. Thirdly, the observed rainfall was more in agreement with the forecast over South and Central Somalia and less over Somaliland. The early onset of the generally above-LTAM MAM rainfall led to substantial recharge of water sources, replenished water catchment levels, improved soil moisture conditions, creating favorable conditions for pasture regeneration, offering first line fodder for the livestock. It also favored land preparation and timely crop and fodder planting across the agro-pastoral livelihoods. However, the exceptionally heavy rains over both Shabelle and Juba River catchments in Ethiopian Highlands and the already-soaked soil conditions over the catchments within Somalia led to excessive overbank spillage resulting to devastating floods at Belet Weyne from 9th May, at Bulo Burti from 25th May and at Jalalaqsi from 26th May 2023. Flash floods occassioned by localised rains also occured in several places within Somalia like Bardheere from 23rd March 2023. The floods led to extensive damage to farmlands with earlier-grown crop and fodder and the grassland plains with devastating implications. Nonetheless, the MAM rains generally led to improved food security situation across the country particularly in the case of Somaliland where the observed rains were above LTM. The wetter than average projected rainfall conditions are likely to at least slow the loss of soil moisture and support agricultural and livestock productivity over South and Central Somalia over which below LTM Gu rains were observed. This bulletin presents both qualitative and quantitative review of the temporal and spatial variation of observed-, and verification of the forecast Gu rainfall season.

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Rainfall Performance

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Somalia Rainfall Forecast – Issued 07 June 2023

Moderate rainfall expected over southern coastal regions with light rains predicted over most other parts of Somalia during the forecast period (Map 1). The spatial distribution of the cumulative rainfall amounts is as follows: Moderate rainfall of between 50 and 100 mm is expected over the areas next to the coastline in the southern part of the country. These areas include the eastern and coastal parts of both Badhaadhe and Kismaayo districts, eastern and southern parts of Afmadow district, and the entire Jamaame district in Lower Juba region. Similarly, moderate rains are also likely over Jilib district and the isolated areas in the southern part of Buále district in the Middle Juba region and over several areas in southern and western parts of both Sablaale and Baraawe districts in Lower Shabelle region. Some isolated areas in the north particularly over Eerigavo in Sanaag region are also likely to receive moderate rains. Light rainfall of less than 50 mm is expected over several areas in Afmadow district and the western parts of Badhaadhe and Kismaayo districts in Lower Juba region; Saakow district and northern parts of Buáale district in Middle Juba region; and southern and eastern parts of Baardheere district in Gedo region. Similar rains are likely over Qoryoley, Kurtunwaarey, Marka, Afgooye and Wanla Weyne districts in Lower Shabelle region; several areas in Middle Shabelle and Bay regions; non-coastal areas of Ceel Dheer district in Galgaduud region; and non-coastal areas of both Xaradheere district and southern Hobyo district in Mudug region. In the northern parts of the country, such light rains are likely over southern and central parts of Hargeisa district in Woqooyi Galbeed; several isolated areas in Togdheer region; Xudun and Caynabo districts in Sool region; central border areas of Ceel Afweyne and Ceerigaabo districts, northern parts of both Ceerigaabo and Laasqoray districts in Sanaag region, areas in southern Bossaso district and northeastern parts of Iskushuban district in Bari region. Similarly lighter rains are also likely over the border areas between Garowe and Eyl districts in Nugaal region. Light rains of less than 50 mm are expected over several areas in Afmadow district and the western parts of Badhaadhe and Kismaayo districts in Lower Juba region; Saakow district and northern parts of Buáale district in Middle Juba region; and southern and eastern parts of Baardheere district in Gedo region. Similar rains are likely over Qoryoley, Kurtunwaarey, Marka, Afgooye and Wanla Weyne districts in Lower Shabelle region; several areas in Middle Shabelle and Bay regions; non-coastal areas of Ceel Dheer district in Galgaduud region; and non-coastal areas of both Xaradheere district and southern Hobyo district in Mudug region. In the northern parts of the country, such light rains are likely over southern and central parts of Hargeisa district in Woqooyi Galbeed; several isolated areas in Togdheer region; Xudun and Caynabo districts in Sool region; central border areas of Ceel Afweyne and Ceerigaabo districts, northern parts of both Ceerigaabo and Laasqoray districts in Sanaag region, areas in southern Bossaso district and northeastern parts of Iskushuban district in Bari region. Similarly lighter rains are also likely over the border areas between Garowe and Eyl districts in Nugaal region. Dry conditions are expected over the entire Awdal region and several areas in Gedo, Bakool, Hiraan, Galgaduud, Mudug, Nugaal and Bari regions. In the northern parts of the country, such dry conditions are likely over Berbera district and the northern parts of both Gebiley and Hargeisa districts in Woqooyi Galbeed; northern parts of Ceel Afweyne district, northwestern, southern and eastern parts of Ceerigaabo district and central and southern parts of Laasqoray district in Sanaag region; Caluula, Qandala, Qardho, and Bandarbeyla districts and southern parts of Iskushuban district and northern parts of Bossaso district in Bari region.

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Somalia Rainfall Forecast – Issued 14 June 2023

Light rainfall is predicted over the southern regions and some isolated areas in the north with dry conditions expected over most parts of Somalia during the forecast period. The spatial patterns of the cumulative rainfall amounts is as follows: Light rainfall of less than 50 mm is expected in the southern regions including: the eastern and coastal parts of both Badhaadhe and Kismaayo districts, eastern and southern parts of Afmadow district, and the entire Jamaame district in Lower Juba region; Jilib district and Buáale district in the Middle Juba region; Diinsoor district and northern border areas of Buur Hakaba and Baydhaba districts in Bay region; Sablaale district and the entire coastal parts of Lower Shabelle region, and areas around Mogadishu in Banadir region. In the northern part of the country, similarly light rains are likely over southern parts of both Gebiley and Hargeisa districts in Woqooyi Galbeed, the northern parts of both Ceerigaabo and Laasqoray districts over Sanaag region and areas bordering the three districts of Qandala, Iskushuban and Caluula in Bari region. Localized light rains in other parts of the country are as shown in the map. Dry conditions are expected over the rest of the country especially the entire Awdal region, many parts of Gedo, Bakool, Hiraan, Galgaduud, Mudug, Nugaal, Sool and Bari regions, northern Woqooyi Galbeed region and southern parts of Sanaag region.

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Somalia Rainfall Forecast – Issued 21 June 2023

Light rainfall of less than 50 mm is expected the southern regions including: Middle Juba region, the eastern and coastal parts of Lower Juba region, coastal parts of Lower Shabelle and Middle Shabelle regions, south and central parts of Bay region, some areas in eastern parts of Gedo region, and coastal parts of Galgaduud region and Ceel Dheer district in Mudug region. In the northern part of the country, similarly light rains are likely over southern parts of both Gebiley and Hargeisa districts in Woqooyi Galbeed, the northern parts of both Ceerigaabo and Laasqoray districts over Sanaag region and areas bordering Iskushuban and Caluula distrcits in Bari region. Dry conditions are expected over the rest of the country..

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