TAHMO

News

In the Lake Kivu region, water erosion is the main driver for soil degradation, but observational data to quantify the extent and to assess the spatial-temporal dynamics of the controlling factors are hardly available. In particular, high spatial and temporal resolution rainfall data are essential as precipitation is the driving force of soil erosion. In this study, we evaluated to what extent high temporal resolution data from the TAHMO network (with poor spatial and long-term coverage) can be combined with low temporal resolution data (with a high spatial density covering long periods of time) to improve rainfall erosivity assessments. To this end, 5 minute rainfall data from TAHMO stations in the Lake Kivu region, representing ca. 37 observation-years, were analyzed. The analysis of the TAHMO data showed that rainfall erosivity was mainly controlled by rainfall amount and elevation and that this relation was different for the dry and wet season. By combining high and low temporal resolution databases and a set of spatial covariates, an environmental regression approach (GAM) was used to assess the spatiotemporal patterns of rainfall erosivity for the whole region. A validation procedure showed relatively good predictions for most months (R2 between 0.50 and 0.80), while the model was less performant for the wettest (April) and two driest months (July and August) (R2 between 0.24 and 0.38). The predicted annual erosivity was highly variable with a range between 2000 and 9000 MJ mm ha−1 h−1 yr−1 and showed a pronounced east–west gradient which is strongly influenced by local topography. This study showed that the combination of high and low temporal resolution rainfall data and spatial prediction models can be used to improve the assessments of monthly and annual rainfall erosivity patterns that are grounded in locally calibrated and validated data.

Read more                                                                  Download Pdf

 

L’Observatoire Hydrométéorologique Trans-Africain (TAHMO) est une association à but non lucrative qui cherche à développer un réseau dense de stations météorologiques sur le continent africain. Cela se traduit sur le terrain par l’installation de stations météorologiques automatiques, robustes et efficaces. TAHMO opère actuellement dans les régions centrales, orientales, occidentales et australes de l’Afrique et compte actuellement plus de 500 stations installées reparties dans cinq (05) Zones.

Dans la zone 2, TAHMO opère dans sept (07) pays dont le Burkina, le Mali, le Niger, le Sénégal, la Centrafrique, le Tchad et le Cameroun. La Zone 2 compte à ce jour plus de 70 stations.

TAHMO a pour objectif de fournir un taux de fonctionnement de 95% sur l’ensemble de son réseau de stations météorologiques à tout moment afin d’assurer une disposition des données de qualités et continues. Afin d’atteindre ces objectifs TAHMO souhaite renforcer son équipe avec un technicien ou un ingénieur de terrain.

Le travail se fait principalement sur le terrain où les stations sont installées et implique donc des déplacements. La personne pressentie, une fois sélectionnée, Co-assurera l’entretien des quarante-trois (43) stations installées actuellement au Mali, ce nombre est appelé à évoluer rapidement sachant que l’objectif de TAHMO est l’installation d’environ vingt mille stations (20 000) stations météorologiques automatiques sur le continent.

La langue principale de fonctionnement de l’organisation à but non lucrative TAHMO est l’anglais, ainsi la compréhension et la pratique de l’anglais et du français sont indispensable.

Le technicien ou l’ingénieur de terrain représente TAHMO sur place, il coordonne les activités de  TAHMO sous la supervision du directeur régional de la Zone 2. Il devra :

  1. Assurer l’installation des stations météorologiques, leurs maintenances ainsi que la promotion des activités de TAHMO au Mali.
  2. Maintenir un taux de fonctionnement d’au moins 95% pour toutes les stations sous sa supervision ;
  3. Assurer la liaison avec le superviseur régional (basé à Ouagadougou, Burkina Faso), le directeur des opérations et le Directeur General de TAHMO
  4. Faire un rapport hebdomadaire au directeur régional sur les performances et l’installation des stations (évaluation QA/QC),
  5. Entretenir un journal des activités journalières, hebdomadaires et mensuelles réalisées et prévisionnelles;
  6. Tenir à jour les métadonnées de toutes les stations qui vous sont assignés, y compris les photos et les rapports de chaque visite de site en utilisant un journal de bord et/ou les outils QA/QC en ligne de TAHMO ;
  7. Veiller à ce que toutes les stations relevant de sa compétence soient visitées au moins une fois par an et plus si nécessaire pour entretenir, réparer ou remplacer les stations.
  8. Entretenir les outils nécessaires aux opérations sur le terrain et tout autre actif, le cas échéant ;
  9. Superviser efficacement et effectivement les hôtes locaux des stations ;
  10. Soutenir l’équipe TAHMO pour améliorer les programmes de contrôle et d’assurance de la qualité ;
  11. Assurer la liaison avec les autres membres de l’équipe, y compris le directeur régional, le directeur général et le directeur des opérations pour superviser et former les nouveaux stagiaires ;
  12. Aider la direction générale à établir, maintenir et renforcer des liens formels et informels efficaces avec les partenaires clés, notamment Mali-Météo, les ministères et organismes gouvernementaux concernés, les autorités locales, les principaux décideurs et les autres parties prenantes en général, afin d’échanger des informations et des points de vue et de s’assurer que TAHMO fournit la gamme et la qualité appropriées de services nécessaires ;
  13. Commercialiser activement les services et produits de TAHMO au Mali et dans d’autres pays qui pourraient vous être assignés ;
  14. Soutenir les activités du programme School2school au Mali;
  15. Soutenir TAHMO afin de se positionner stratégiquement pour recevoir suffisamment de fonds par le biais de projets, de services et de produits afin d’améliorer sa croissance au Mali;
  16. Veiller à ce que TAHMO respecte toutes les lois locales, y compris le paiement de toutes les taxes pertinentes ;
  17. Effectuer d’autres tâches à la demande du directeur régional ou de la Direction Générale.

Lignes hiérarchiques

Le Technicien ou l’ingénieur de terrain relève directement du directeur régional, du directeur des opérations et du Directeur Général.

Qualifications

  • Un Master ou niveau d’enseignement supérieur (minimum DEUG 2) en météorologie, physique, mathématique, génie civil, génie électrique/électronique, génie informatique, informatique, sciences de l’environnement et programmes connexes.
  • La capacité à écrire et à parler un excellent anglais.

 

Les candidatures, les lettres de motivation et les curriculum vitae (CV) doivent être envoyés par courrier électronique au plus tard le 19 Février 2021 à 23h59 à l’adresse suivante.

 

mandetheophile@gmail.com

Le directeur régional

TAHMO Zone 2

Ouagadougou-Burkina Faso
Tel : +226 70 16 94 23

www.tahmo.org

TAHMO country representative for Kenya Victor Omoit joined Faith Wawira – Senior ICT Officer (WRA)   and Joseph Mukola – Principal Meteorology Technician (KMD) on a five day field work to carry out regular maintenance on 10 Automatic Weather Stations installed in the Nzoia basin.

The team started their work in Eldoret sub-region then to Kitale Sub region and finally complete their activity in Kakamega.

The stations involved were at the following locations: Ndalat, Naiberi, Turbo NYS, Chebororwa ATC, Kapcherop, Mt Elgon Flowers, Koitobos, Ndalu, Malava, Nzoia Sugar Company and finally Butere Girls High School.

Early warning Systems could contribute up to 36:1 in terms of benefit-costs ratios in developing countries. However they are often non-functional mostly due to lack of weather and stream-flow data (WMO-No.1153). This is the challenge that TAHMO  is addressing with a dense network of ground observing stations which provides near real-time reliable data to improve Numerical Weather Predictions (NWP) and hydro-logical models for Africa through data assimilation (satellites and in-situ data). https://tahmo.org/climate-data/

Whatever solution is provided for an Early Warning System should be easily scalable, sustainable and impactful. It needs to be a complete end-to-end solution which involves data collection, processing and dissemination of “localized” information to end users and the use of the information in their activities in the form of warnings to build their resilience through disaster preparedness and flood risk reduction. This is the basis for which the Water Resources Authority (WRA) installed an Early Warning System consisting of 10 Automatic Weather Stations and 7 Automatic Water level Stations in 2018/2019 and TAHMO is very happy to have been part of this project.

 

On March 15, Kenya was put on partial lockdown after 2 COVID cases were reported in the country.  Alongside government imposed dusk to dawn curfew, schools were closed and movement restricted. Within a week, the lockdown wave had spread to most East Africa countries. It created a sense of panic, fear and uncertainty. This hit our team hard because our work involves travelling, meetings and working with schools. I wondered how we would carry on with field activities.

At TAHMO East Africa, we have an elaborate guidelines for field work that ensures we provide high quality data. If a weather station is faulty for instance, our first point of contact is the host who checks if the issue is minor and where possible resolve the issue. But if the issue is more complicated, one of our technician/meteorologist/engineers visits the site. Additionally, we have put structures for preventing station failures. One way is by yearly preventive maintenance where we visits all the stations to identify any potential future problems and resolve them before hand.

When lockdown came along, we were at the peak of our yearly stations’ maintenances. I also had scheduled travels, clients to meet, projects to initiate and projects to push forward. All this was put me in a limbo. Top on my list of attention was how our team would carry along repairs. There are no two ways with weather stations. If it is not working, data not captured will never be recovered. But how then would we carry on with the activities with COVID challenges?

In Kenya, most stations are hosted in schools. When schools shut a big number of teachers relocated. We did not have effective communication with the hosts any more. Travelling to the sites was was a challenge too. You would be comforted with several fears – caught out of time due to delays in screenings mounted in roadblocks, or at worst, being put on government quarantine.

By mid April, we had put a structure where more people would help with field activities. In Kenya for instance Victor (TAHMO Engineer) involved former interns and volunteers living in areas where we could not travel to assist with some of the work. In Rwanda, Honore (TAHMO Engineer), trained new technicians via zoom that would take work in areas in regions he was unable to travel.

At the time of this writing (mid July 2020) countries are easing restrictions. There is less fear – we have probably learnt to carry on with our work amidst the challenges. TAHMO East Africa Network improved tremendously in the last two months. Not everything is working right, and we do not expect all to all to be smooth soon. There is still a sense of uncertainty on how the future will look like after COVID.  But we will keep the hope and develop more ways of keeping our work going.

Based in Chicago, Farm Immersive is a weekly blog by Peter Miller. His posts explore global food and agriculture innovations.

In a recent blog published on the 13th of April 2020 we got a honorary mention. In the Peter Miller’s exact words TAHMO is a bold project to build weather stations across Africa and share that data free of charge. This will greatly enhance all crop insurance modeling across the continent”.

want to read more on this beautifully written piece? click here

With the global COVID-19 pandemic, activities have been highly slowed down. However, Victor in Kenya is trying to keep things moving. Being a field engineer, it is a bit complicated for him to work from home, but during this pandemic, he adjusts and finds ways to ensure that field activities do not stop completely especially for stations that need urgent maintenance - for the data, we lose today cannot be readily regained. Read more

COVID-19

Categories: Uncategorized
Comments: No

Due to the current COVID-19 situation stations uptime might be affected. We are doing our best to maintain a very high uptime but remote stations could be affected due to restrictions on travels in these difficult times.

ENDEAVOR TO STAY SAFE
– Avoid public gatherings or crowds.
– Wash your hands with soap for at least 20seconds when you come in from public areas or use an alcohol-based (more than 60%) sanitizer.
– If there are restrictions of movement in your locality, kindly heed to them.
– Practice social distancing.

Trans-African Hydro-Meteorological Observatory (TAHMO) seeks to develop a dense network of meteorological stations on the African continent. This is done by installing low cost but robust and efficient automatic weather stations. Currently, TAHMO operates in Central, Eastern, Western and Southern parts of Africa and has over 500 stations installed.

In TAHMO Zone 3 which is of interest for this opportunity, TAHMO operates in Togo, Benin, Cote d’Ivoire, and Ghana. In total, TAHMO currently has close to 150 stations in these four (4) countries.

As part of ensuring efficiency, stations must be kept running at all times with an optimal level of not less than 95%. In order to achieve this, there is a need to bolster our team in these four countries to ensure stations operate at the optimal levels.

The job is mainly on the field where the stations are installed and therefore entails a lot of traveling. The prospective person when selected will maintain the stations in Togo and Benin with a total of about 50 stations.

TAHMO’s quality Control procedures are mostly in English, so it will require the services of someone who is excellent in both English and French (spoken and written).

Roles and responsibilities

The Field Engineer/Technician will be the technical contact for TAHMO weather installations and maintenance in these countries (Togo & Benin).  This person supervises and assures proper installation, operation, and site relationships with a host of TAHMO stations including the national meteorological agencies of the countries.  He will assist in marketing and operations, as time allows. Specifically, as a Field Engineer or technician you will be required to:

  1. Liaise with the Regional Supervisor (based in Accra, Ghana), Operations Manager and CEO to gather information and materials for field operations in Togo, Benin and any other country that will be assigned to you by the CEO;
  2. Perform field operations, including installation and maintenance of weather stations:
    1. Maintain  95% operational rate for all stations under your supervision;
    2. Report weekly to the Regional Supervisor regarding station performance and installation (QA/QC evaluation), a log of effort for the past week, plan and share weekly and monthly activities and calendar;
  3. Maintain up-to-date metadata on all stations in Togo, Benin and other countries assigned to you, including photos and site visit reports from every site visit using a logbook and/or TAHMO online QA/QC tools;
  4. Ensure that all stations within your purview are visited at least twice annually and more often if needed to maintain, repair or replace stations.
  5. Maintain tools needed for field operations and any asset as may be applicable;
  6. Efficiently and effectively supervise station hosts;
  7. Support the team to improve quality control and quality assurance programs;

 

  1. Liaise with other team members, including the Regional Supervisor, CEO, and Operations Manager to supervise and train new interns;
  2. Support top management to establish and maintain and enhance effective formal and informal links with key partners including the Togo Meteorological Department (TMA), Meteo Benin, relevant government departments and agencies, local authorities, key decision-makers, and other stakeholders generally, to exchange information and views and to ensure that TAHMO is providing the appropriate range and quality of services needed;
  3. Actively market TAHMO services and products in Togo, Benin and other countries that may be assigned to you;
  4. Support the School2school activities in Togo and Benin;
  5. Support TAHMO to strategically position itself to receive enough funds through projects, services, and products to enhance its growth in Togo and Benin;
  6. Ensure that TAHMO complies with all local laws including the payment of all relevant taxes;
  7. Perform other related duties as may be required by the Regional Supervisor, CEO or top management.

 

Reporting lines

The Field Engineer reports directly to the Regional Supervisor, Operations Manager, and the CEO.

 

Qualifications

HND or higher level of education in Meteorology, Physics, Civil Engineering, Electrical/Electronic Engineering, Computer Engineering, Computer Science, Environmental Science, and related programs.

The ability to write and speak excellent English is a must.

Applications, letters of motivation and curriculum vitae (CVs) should be sent via email by 22nd March 2020 to:

The Regional Director

TAHMO West Africa

Ghana Meteorological Agency

Accra – Ghana

kadjnr001@gmail.com  (Please note it is zero zero one)

           

Website: www.tahmo.org

Email: info@tahmo.org