Valentines Day Storm Incident Management

site

© Crown copyright and database rights 2015 Ordnance Survey 100026220 • Exceptional rainfall recorded during winter 2013/14 • Wettest winter since national records began in 1910 • Heaviest rainfall in England since 1766 • Dec and Jan gave 6 months rainfall • Record spring tides in Dec / Jan / Feb • 211,000 sand bags across the county • 630 military personnel deployed • 12 Strategic Co-ordinating Group SCG meetings • Response Working Group (RWG) ran continuously from 6th Feb to 5th March 2014

Severe 1

Warnings 70

Alerts 65 6 Groundwater 17 ● Strategic Coordination Group at Netley ● Response Working Group at Netley ● Local Tactical Coordination Groups where activity was highest – Winchester, Test Valley, Basingstoke, New Forest, East Hants ● Logistics at RWG • Police • Fire and Rescue • County Council • District Councils • Military • Environment Agency • Utility providers • Community groups – flood action groups Activities included: ● Direct pumping of water ● Sandbagging ● River diversion or choking ● Protection of infrastructure ● Support and reassurance to residents NFDC issues associated with: • Flood Street (Groundwater) • Stubbings Meadow Caravan Park, Ringwood • Kingsbury Ln, Ringwood

Friday 15:00 ● Severe Weather Warning ● Decision to set up TCG ● Emergency Room opened at NFDC offices in Lyndhurst ● ER staffed by ● Fire Officers (3) ● High volume pumps ● Police (2) ● Security ● EA (1) ● Reporting ● Tide Gates ● Army (1) ● Physical work ● Moving sandbags Coastline B, this evening and ● HCC into Saturday morning a surge, ● Co-ordination of transport large waves and severe gale ● Setting up rest centre* force winds bring a high ● NFDC likelihood of severe coastal ● Co-ordinating flooding at the following ● Data gathering & reporting locations: ● Sandbags Chiswell, Christchurch, ● Media Response Lymington, Keyhaven

14:48 on 14 Feb 2014: ● Severe Flood Warning issued for Lymington & Pennington ● (severe flooding, threat to life) ● Predicted HW level 2.4mOD (23:02) ● (Possible 1.43m surge) ● Defence levels at 2.5m OD ● Water close to top of seawall ● F10 wind - likely wave action / overtopping

Contains Environment Agency information © Environment Agency and database right © Ordnance Survey Crown copyright. All rights reserved. Environment Agency, 100026380. Contains Royal Mail data © Royal Mail copyright and database right 2014. © Crown copyright and database rights 2015 Ordnance Survey 100026220

● 134 Properties at threat along Waterloo Road, Mill Lane & Bath Road, Lymington. ● Located within FZ3 ● HSS identified vulnerable people in this area ● Media Statements, radio broadcasts, informing people ● Door knocking by Police & Council to advise residents ● Rest centre set up at Lymington Health & Leisure Centre

● No property flooding ● Water level to 2.24mOD ● 260mm lower than top of defences ● Defences held ● Overtopping but over-pumping sufficient to avoid properties flooding ● Rest centre not required ● No warning ● Milford-on-Sea to Lymington

Milford-on-Sea

The Marine

500m

●Location not identified as being at threat from flooding ●Storm coincided with high tide ●Overtopping started along coastline (not unusual) ●At The Marine 32 diners enjoying Valentines Evening ●At first odd pebble hit the lower windows but this increased in frequency ●Then windows started to smash – people moved upstairs into safe area ●Call to fire brigade ● Fire Brigade & Army sent to rescue diners ● Water up to waist deep (1m) ● Pitch black & cold ● Flying debris ● Two journeys required to rescue 40 people ● Taken to rest centre ● Damage to rescue vehicles

The Hordle Cliff Milford-on-Sea Marine

Loss of 45 timber beach Significant cliff 30 concrete Wave huts at Hordle Cliff erosion & loss beach huts overtopping & of cliff-top path destroyed flooding to Marine Cafe Marine Cafe

Displacement of approx. 45,000m3 of material. Breached sections of spit

Hurst Spit

30 huts destroyed

Huts that had to be removed

Huts damaged

Huts lost 45 huts destroyed 19 huts damaged

18 huts at risk of collapse

Coastal Footpath ● Cliff damage and erosion over a 300m length ● 4 to 5m eroded ● Footpath permanently closed

Hurst Spit

● Red line is the1 year Return Period. ● Equal to wave height which a storm is likely to reach on average once a year ● Since 2003, 15 individual storms have exceeded the 1 year Return Period. ● 7 of those storms (47%) occurred between October 2013 and February 2014

Ref: Channel Coastal Observatory CCO 8 7 Hs 6 Hmax 5 2hr

Hs (metres) Hs 4 3m Hs Storm Threshold 3 2 1 0 4AM 9AM 2PM 7PM 12PM 5AM 10AM 3PM 8PM

FEBRUARY 14TH FEBRUARY 15TH

Earlier St Valentine Storms Storm in Feb 2014 14/02/14 4.24m CD (2.24mOD)

Date / Time SWL (CD) Surge 14-02-2014 23:20 3.78 0.8 14-02-2014 23:10 4.16 1.18 14-02-2014 23:00 4.1 1.14 14-02-2014 22:50 4.24 1.29 14-02-2014 22:40 3.96 1.03 14-02-2014 22:20 3.81 0.94 N N N N

The Marine

A A1 A A1 N

The Marine

Area 60,000m3

The Marine

• At height of storm • 22:30hrs to 23:30hrs (+1m surge) • (approx. 1 hour duration) • At rate of 38L sec / min / m = 68,400 m3 along 500m section • Enough to flood area to depth of >1m

The Marine

Sturt Pond

The Marine

A A1

22m

20ft container moved

Rocks displaced 1500T of material in car park

Elev 3.934 Elev 3.867 Elev 3.648 Elev 3.515 B B1 Elev 4.2m

Elev 3.934 Elev 3.867 Elev 3.648 Elev 3.515 B B1

• Media Descended onto Milford-on-Sea • Statements released to press via NFDC Media Team • Messages onto NFDC website & Twitter • Public Descended into Milford-on-Sea • Areas being closed to public to allow clean up to go on • Other areas open access • ER open until late evening once threat had ceased • Conference call to RWG on Sunday

Paddy’s Gap 25 tonnes Milford-on-Sea 35 of rubbish tonnes of rubbish

1,000 tonnes of shingle Over 45,000 tonnes of (Marine Car Park) shingle moved HURST SPIT EMERGENCY WORKS • Hurst Spit Emergency Works (2014) – Over 45,000T recycled – 6 weeks work 9,500T – £120,000 (Funded by EA)

9,500T