Northern Zone Rainfall Analysis for Various Stations
The analysis of rainfall data for stations in the Northern Zone reveals the average rainfall amounts, highest and lowest daily annual maximum values, correlation slopes, and rainfall intensity patterns. Stations like WA, Bole, Navrongo, Zuarungu, Bolga, and Yendi exhibit varying rainfall characteristics, with shorter-duration events showing higher intensities.
Download Presentation
Please find below an Image/Link to download the presentation.
The content on the website is provided AS IS for your information and personal use only. It may not be sold, licensed, or shared on other websites without obtaining consent from the author. Download presentation by click this link. If you encounter any issues during the download, it is possible that the publisher has removed the file from their server.
E N D
Presentation Transcript
NORTHERN ZONE TIME SERIES, IDF CURVE PLOT FOR THE VARIOUS STATIONS
The average rainfall recorded in WA was 70.12mm with highest daily Annual Maximum value of 142.4mm obtained on 15th August 2013.The lowest Daily Annual Maximum value recorded was 40.2mm on 11th September 1986 The slope gives a positive correlation. The rainfall intensity in millimeters per hour (mm/hour) shows that on average, a high amount of rainfall occurred within 1 to 5 hours. This indicates that shorter-duration events tend to have higher intensities.
The average rainfall recorded in Bole was 78.43mm with highest daily Annual Maximum value of 131.5mm obtained on 13th September 2003.The lowest Daily Annual Maximum value recorded was 44.3 on 29th September 2021. The slope gives a positive correlation. The rainfall intensity in millimeters per hour (mm/hour) shows that on average, a high amount of rainfall occurred within 10 to 15 hours. This indicates that shorter-duration events tend to have higher intensities.
The average rainfall recorded in Navrongo was 77.71mm with highest daily Annual Maximum value of 148.2mm obtained on 29th August 1985.The lowest Daily Annual Maximum value recorded was 44.8 on 5th May 2014. The slope gives a positive correlation. The rainfall intensity in millimeters per hour (mm/hour) shows that on average, a high amount of rainfall occurred within 1 to 5 hours. This indicates that shorter-duration events tend to have higher intensities.
The average rainfall recorded in Zuarungu was 70.12mm with highest daily Annual Maximum value of 146.8mm obtained on 5th September 2012.The lowest Daily Annual Maximum value recorded was 46.5 on 25th June 2006. The slope gives a positive correlation. The rainfall intensity in millimeters per hour (mm/hour) shows that on average, a high amount of rainfall occurred within 1 to 5 hours. This indicates that shorter-duration events tend to have higher intensities.
The average rainfall recorded in Bolga was 68.92mm with highest daily Annual Maximum value of 97.5mm obtained on 19th July 2003.The lowest Daily Annual Maximum value recorded was 39.4 on 15th August 1981. The slope gives a positive correlation. The rainfall intensity in millimeters per hour (mm/hour) shows that on average, a high amount of rainfall occurred within 1 to 5 hours. This indicates that shorter-duration events tend to have higher intensities.
The average rainfall recorded in Yendi was 77.66mm with highest daily Annual Maximum value of 146.9mm obtained on 13tH August 2010.The lowest Daily Annual Maximum value recorded was 50.2mm on 25th August 1999. The slope gives a positive correlation. The rainfall intensity in millimeters per hour (mm/hour) shows that on average, a high amount of rainfall occurred within 1 to 5 hours. This indicates that shorter-duration events tend to have higher intensities.
The average rainfall recorded in Walewale was 70.39mm with highest daily Annual Maximum value of 164.9mm obtained on 22nd July 2007.The lowest Daily Annual Maximum value recorded was 32.1 on 25th August 1988. The slope gives a positive correlation. The rainfall intensity in millimeters per hour (mm/hour) shows that on average, a high amount of rainfall occurred within 1 to 5 hours. This indicates that shorter-duration events tend to have higher intensities.
The average rainfall recorded in Tamale was 83.66mm with highest daily Annual Maximum value of 141.2mm obtained on 12th August 2022.The lowest Daily Annual Maximum value recorded was 25th June 1992 on 25th June 2006. The slope gives a negative correlation. The rainfall intensity in millimeters per hour (mm/hour) shows that on average, a high amount of rainfall occurred within 1 to 5 hours. This indicates that shorter-duration events tend to have higher intensities.
