Flood Alert Issued for Kings Somborne and Little Somborne Due to High Groundwater Levels

Alert Details

The Environment Agency has issued a Flood Alert (Severity Level 3) for the Solent and South Downs area. The alert was triggered by high groundwater levels following approximately 21mm of rainfall over the past week.

Affected Areas

The primary areas of concern are located within Hampshire, specifically affecting:

• Kings Somborne: Properties along Winchester Road and central areas of the village.
• Little Somborne: Localized areas at risk of groundwater ingress.

What You Should Do

Residents in the affected areas are advised to take the following precautions:

• Prepare and implement property resilience measures.
• Ensure that any installed basement or cellar pumps are in good working order and ready for use.
• Monitor local weather reports and groundwater updates.

Expected Conditions

While groundwater levels in Kings Somborne have been slowly falling since Thursday, February 19, 2026, they remain high enough to threaten cellars in a small number of properties. Dry weather is forecast for Tuesday, February 24; Wednesday, February 25; and Saturday, February 28. However, a weather system expected between Thursday, February 26 and Friday, February 27 is forecast to bring an additional 15mm to 25mm of rain to Hampshire. This precipitation may cause groundwater levels to rise again for several days.

Timeline

The alert was officially raised on February 24, 2026. The Environment Agency is closely monitoring the situation and expects to provide a formal update by 6:00 PM on March 3, 2026, or sooner if conditions change significantly.