Madbury Prepares for extreme weather

• EmergencyPreparedness• ExtremePrecipitation&Flooding•• Drought&WaterSupply•

Whataretheissues?EMERGENCYPREPAREDNESS

Storms– rain,snow,wind,andice– alreadyposechallengestoresidentsandmunicipalities.Stormeventsareprojectedtoincreaseinfrequencyandintensityinthefuture,sotheneedtopreparewillbecomeevenmoreimportant.

Inaddition,extremeheatdaysareexpectedtobecomemorefrequentduringthesummer,requiringadifferenttypeofemergencypreparedness.Communitiesneedtobeabletotakecareofallresidents,especiallythosemostvulnerabletotheseimpacts.

EXTREMEPRECIPITATION&FLOODINGHeavyprecipitationisexpectedtoincreaseinfrequencyandintensity,causingmoreproblemswithfloodingandputtingpeopleandinfrastructureatrisk.

DROUGHT&WATERSUPPLY

Astemperaturesrise,sodoesthelikelihoodofdrought,whichwillinfluencedrinkingwatersupplies,water-basedrecreation,agriculture,andwildlife.

By the numbers: What we can expect in NH by 2100

• 22-48 fewerdaysperyearbelow32°F(fromthehistoricalaverageof154)1

• 21-57 moredaysperyearabove90°F(fromtothehistoricalaverageof10)1

• 4 to 9oF increaseinourannualaveragetemperatureby21001

• Anadditional1.6 to 6.6 feet ofsea-levelrise2

• As much as 20% moreannualprecipitation,andmorefrequentextremeprecipitationevents2

1ClimateSolutionsNewEngland2014;valuesforDurham,NH,whereavailable;comparedtohistoricalaveragesfrom1980-20092STAPReport2014;comparedtomeansealevelin1992asareference;comparedtoaverageannualrainfallfrom1970-1999

Madbury isnotespeciallyvulnerabletofloodingfromsea-levelriseandcoastalstormsurge,buttheexpectedincreaseinheavyprecipitationeventswillcauselocalissues.EventhoughtheTownofMadbury itselfmaynotbeasvulnerabletocertainimpactsassomeofitsneighbors,thevulnerabilitiesofthoseneighboringcommunitiesmayaffectMadbury’s capacityandoptionsforemergencyresponseandevacuation.

WatersupplyisanotherconcernasMadbury anditsneighboringcommunitiesseeincreasingdemandforwateraspopulationsgrow,inconjunctionwithhotter,dryersummers,lessprecipitationduringthewinter,andlessinfiltrationduetotheintensityofrainfallandexpansionofimpervioussurfaces.

Madbury’s naturalresourceswillbeimpactedbysomeofthesesameissues.Theseresources,suchasforestsandwetlands,canprovideprotectionforMadbury’s residentsandinfrastructure(inadditiontotheirbenefitsforwildlife).Forexample,forestsprovidelocallycoolertemperatures,andwetlandsandtheirsurroundingbuffershelpmitigatefloodingandprotectwaterresourcesinthecaseofwetlands.Butasclimatechangeaddsstresstoecosystems,theymaynotbeabletoprovidethosebenefitsaseffectivelyinthefuture.

WhatdoesthismeanforMadbury?

10 Ideas for Actionto prepare for extreme weather

EmergencyPreparedness

q Provideinformationaboutpotentialfloodhazardstoresidentsandbusinessesandimplementan earlywarningsystemforstorms

q Makesureevacuationplansareup-to-date,routesarewellmarked, andresidentshaveinstructionsonwhattodoinevacuationandisolation(shelter-in-place)situations

q Encourageneighborhood-widecommunicationandpreparationduringstorms

ExtremePrecipitation&Flooding

q Regulatefuturedevelopmentinthe100-yearfloodplainandencourageprotectivemeasuresforexistingdevelopmentinthefloodplain

q Conservelandinareasthatarevulnerabletofloodingq Implementbuffersbetweenwetlandsanddevelopmentq Ensurethatculvertsaresizedtodealwithgrowingratesofprecipitation

Drought&WaterSupply

q Raiseawarenessaboutthetown’sdrinkingwatersourcesq Encouragewaterconservationactions,suchasreducinguseandimplementingraingardens

andrainbarrelsq Conservelandaroundwaterresourcestoprotectqualityandquantity

ResourcesNH CoastalAdaptationWorkgroup:§ Visitourwebsite:www.nhcaw.org§ Signupforournewsletter: http://tinyurl.com/NHCAWnews§ Followusonsocialmedia(FacebookandInstagram:@nhcoastaladaptation /Twitter: @nhcaw)

§ MadburyClimate RiskintheSeacoast(C-RiSe)report(http://tinyurl.com/crise-Madbury)andmaps(http://www.strafford.org/services/climatechange.php)

§ NH CoastalRiskandHazardsCommission(CRHC)Report,2016:www.nhcrhc.org§ NH CRHCScienceandTechnicalAdvisoryPanelReport,2014:http://www.nhcrhc.org/stap-report/§ NHSettingSAILProject:http://www.nhcrhc.org/setting-sail/§ NH CoastalViewer:www.nhcoastalviewer.org§ ClimateSolutionsNewEngland. 2014.ClimateChangeinSouthernNewHampshire:Past,Present,

andFuture.http://tinyurl.com/southernNHclimate§ ReadyNH.gov: www.ReadyNH.gov

September2017Thisprojectwasfunded,inpart,byNOAA'sOfficeforCoastalManagementundertheCoastalZoneManagementActinconjunctionwiththeNHDepartmentofEnvironmentalServicesCoastalProgram.

Formoreinformation,contact:LisaGraichen,ClimateAdaptationProgramCoordinator,UNHCooperativeExtensionandNHSeaGrant,Lisa.Graichen@unh.edu,(603)862-2356