Critical Low Drainage Usangu, Alert 3 observed Searching for critical low drainage flow Ruaha Visual or mathematical fixation of the critical flow at Nyaluhangu where all drainage from the Usangu Plains passes during low flow, is still a challenge. The drying of the branch channels (Alert 3) proved tricky. The use of NDWI water areaContinue reading “Drainage Usangu Rice Plain”
Category Archives: Alerts
ALERT 2, July 16, 2025
ALERT 2, July 16, 2025 Visually detected Zero Flow July 16, 2025 (ALERT 2) Detail 1st zero flow observation from maji yetu monitor for Ruaha River at Mtera on July 16, 2025. For interactive inspection visit monitor. Improved Prediction for Alert 1 and Zero Flow in Ruaha now July 10, 2025 at Mtera The byContinue reading “ALERT 2, July 16, 2025”
Alert 3, Sep 27, 2024
Alert 3, Sep 27, 2024 Ruaha River Flow Monitor Tool (Remote Sensing) Flow Status Today: 15 Days of Zero Flow at Park HQ in 2024 Alert 3 possibly reached before Alert2 in 2024 To specify the start of the Alert 3 phase is less precise as Alert 2. The drying of branch canal of theContinue reading “Alert 3, Sep 27, 2024”
History of Zero Flow
History of Zero Flow History of Zero Flow Days at Ruaha Park HQ (graph) History of the Length of Zero Flow Series and Low Flow Periods Table 2.: Days to Zero Flow at Park HQ Alert Levels 2018 2019 2020 2021 2022 2023 2024 Alert 1 131 170 119** 120 70 82 95 Alert 2Continue reading “History of Zero Flow”
Flow Ruaha Returns
Flow Ruaha Returns MENU Around December 2, 2023 the flow has returned at the Park HQ. Alert Three The drainage flow at Nyaluhanga is assessed to have dropped under the criticial level on September 28, 2023 (right). The drop of the water level and flow is illustrated in the image slider with the flow statusContinue reading “Flow Ruaha Returns”
Alert Three on Sept 28, 2023
Alert Three on Sept 28, 2023 Alert Three On September 28, 2023 the critical drainage flow from Usangu Rice Plain dropped under an assumed 8 cumecs. The current expected period left before zero flow in the Ruaha River at the Park HQ is about one month. Alert Two Alert Phase Two connected to the firstContinue reading “Alert Three on Sept 28, 2023”
Alert Three 2022
Alert Three 2022 Zero Flow at the Park Headquarter is expected early in the year around mid-August 2022 The zero flow period at the Ruaha Park HQ will be probably be a long zero flow period starting already early in the Ruaha low flow season. Analysis of the flow status at Msembe Bridge through comparisonContinue reading “Alert Three 2022”
Alerts 2021 (November 15, 2021 – Zero Flow Park HQ)
Alert Phase 3 with drainage dropping under 3cumecs at Nyaluhanga not yet possible to assess remotely. Post with conclusion based on mix up of satellite images removed. Floating Reed instead of Zero (Drainage) Flow in Ruaha? Post has been removed conclusions based on mix up of satellite images Third Alert November 4, 2021 (suspected) AlertContinue reading “Alerts 2021 (November 15, 2021 – Zero Flow Park HQ)”