hurricane hurricane intense tropical cyclone atlantic hurricane season measured minimum barometric pressure eighth tropical storm fourth hurricane year formed tropical wave east lesser antilles september moving steadily westward storm slowly intensified attaining hurricane strength september conditions increasingly favorable tropical cyclone development began rapidly intensify nearing hurricane quickly attained category intensity september subsequently reached peak intensity maximum sustained winds mph minimum barometric pressure mbar hpa inhg intense hurricane came north_carolina sea accelerating northward gradually weakened transitioned extratropical cyclone passed newfoundland september extratropical remnants traversed eastwards atlantic_ocean dissipating near great_britain october despite making landfall north_carolina close proximity land caused extensive damage east_coast strong winds resulted widespread power outages cutting telecommunications coast weather station wilmington north_carolina reported wind gust mph setting new record fastest wind gust reported concentrated north_carolina rainfall widespread reaching far north maine united_states damages reached million indirect death produced strong winds heavy rain atlantic_canada nova scotia storm considered worst years power outages cut communications island mainland property damage sydney nova scotia totaled landfall newfoundland strong gusts peaking mph naval station reported loss power severed communications damage totaled total damages associated united_states canada amounted million making storm season meteorological history origins hurricane traced easterly wave formed near cape_verde september moving west trade winds associated cell disturbance gradually intensified september ships system vicinity reported widespread shower activity generally low barometric pressures early following day reconnaissance flight reported evidence weak circulation gusts mph heavy surrounding circulation center utc later day united_states weather_bureau office san_juan puerto_rico began issuing system public interests tropical wave classified tropical depression utc september east antilles time depression maximum sustained winds mph moving west northwest track roughly mph early september storm initially changed little intensity large upper anticyclone developed southern atlantic coast producing favorable wind shear needed tropical cyclone development second reconnaissance flight reported tropical cyclone indicating storm system reached tropical storm strength utc september depression attained tropical storm strength maximum winds mph central minimum pressure mbar hpa inhg weather_bureau issued advisory newly developed tropical storm utc later day giving storm despite storm poor organization gradually intensified favorable conditions generated large anticyclone day second anticyclone moved eastward situated mid-atlantic states mean trough lower levels atmosphere situated set path pass close united_states tropical storm attained hurricane intensity utc utc september located east florida post season analysis found reached hurricane intensity earlier day utc time gale force winds extended storm center circulation hurricane steadily strengthened moved northwest western periphery azores high september encountering anticyclone situated mid-atlantic states began curve slightly west lack strong steering currents storm vicinity caused hurricane slowly day giving hurricane time significantly intensify utc september strengthened equivalent modern day category hurricane minimum pressure mbar hpa inhg moving slowly carolinas hurricane rapidly intensified flight reported minimum pressure mbar hpa inhg drop mbar hpa inhg previous day hurricane neared coast eye apparent coastal long range weather radar images utc september strengthened category hurricane category hurricane following day major hurricane continued strengthen reaching peak intensity september winds mph lowest barometric pressure mbar hpa inhg recorded earlier day moving northwestward influence azores high hurricane came east_coast northeast sea accelerated northerly latitudes steadily weakened utc september longer major hurricane hurricane wind field expanded storm center weakened midday september weakened minimal hurricane strength later transitioned extratropical cyclone utc day maintained hurricane force winds roughly time passed newfoundland gale force winds having expanded system center coinciding weather_bureau final advisory system extratropical remnants continued eastward atlantic dominant feature entirely dissipating utc october west great_britain preparations storm formation weather_bureau cautioned ships path impending conditions storm duration storm moved west september advisories specified small craft northern islands bahamas remain protected places forecast remain north archipelago lifted small craft coast nearing east_coast weather_bureau began issue special press radio television stations early september time small craft warned storm carolinas southward following day weather forecast office charleston south_carolina began issue local statements hurricane small craft shifted northward coastal regions cape_hatteras north_carolina florida hurricane watch issued utc september entirety georgian coast charleston south_carolina gale warning posted time coastal areas florida wilmington north_carolina small craft continued shift northwards storm began quickly intensify september areas watch savannah georgia cape fear north_carolina upgraded hurricane emergency area utc affected communities advised begin measures immediately evacuate shipping small craft told exercise extreme caution gale warnings changed warn areas florida cape_hatteras north_carolina heightened warnings caused issue local impending hurricane time weather_bureau projected landfall south_carolina landfall forecasts shifted north coast time stopped away coast entirely utc september hurricane warnings extended include areas cape north_carolina gale warning issuance reflected changes shifted northwards virginia area hurricane watches covered warning areas utc later day hurricane emergency gale warnings extended north north_carolina hurricane watches continued coastal regions savannah georgia south_carolina began away coast warnings south wilmington north_carolina discontinued utc september passed certain areas warnings discontinued storm passage utc day onshore hurricane warnings downgraded gale warnings discontinued offshore gale warnings issued oceanic regions massachusetts shortly warnings exception offshore gale warnings discontinued remaining warnings lasted utc september despite issuing warnings weather_bureau cautioned interests newfoundland hurricane force winds effect island potential impacts weather_bureau began advise prompt emergency evacuation advisories areas south_carolina north_carolina urged begin evacuation procedures immediately sent field staff warnings locations georgia south_carolina order assist setting emergency shelters red_cross held hurricane preparation conferences plan preparation procedures civil defense organizations mobilized hurricane preparation staff equipment weather_bureau sent mobile weather station charleston south_carolina order monitor weather conditions alert surrounding populations short range radio equipment beaches north_carolina coast including completely evacuated night september wilmington north_carolina members dispatched monitor waterfront property kept standby civilian vehicles attempting enter south_carolina sent highway patrol outside city borders following order issued governor south_carolina order issued minimize casualties prevent looting approximately members national_guard local police kept patrol beach despite repeated orders mandatory evacuation people remained authorities forcibly evacuated permitted remain impact aftermath united_states east_coast despite making landfall close proximity united_states resulted impacts east_coast impacts severe north_carolina hurricane closest approach wind impacts felt primarily south_carolina virginia frontal zone aided bringing precipitation far north maine united_states caused million damages indirect fatality north_carolina roughly paralleling north_carolina coast beginning september slow movement strong intensity resulted moderate heavy impacts coastal areas state despite hurricane category hurricane intensity closest approach land remaining offshore storm surge remained initially forecast hurricane track placed strongest storm surge eastern hemisphere storm away surge heights peaked near cherry point wilmington produced ocean swells coast times minute indicative strong hurricane cumulative sea level roughly normal result storm striking low tide damage caused storm surge despite sand dunes southern areas fort fisher destroyed waves strong winds produced hurricane pushed waves inland homes minor beach erosion occurred inland weather stations reported hurricane force winds weather_bureau office wilmington north_carolina reported maximum sustained winds mph peak gust mph exceeding previous record fastest measured wind speed mph set hurricane beach resorts heavily damaged located wilmington houses flattened hurricane damage homes estimated police cost extensive damage water system reported damage severe minor property damage waves pushing past sand dunes caused cracks seaside roads surveys damage estimates damage reported worse pier pavilion destroyed homes businesses destroyed similar reports homes homes demolished extensive property damage reported winds estimated mph gusts high mph category intensity powerful winds forced power cut wilmington measure result knocked service damage offices cost total damages city estimated cost nearly million roof blown yacht shed multiple structures long distance telephone services cut coast power communications failed storm island battered winds mph power outages commonplace areas metal debris scattered city streets damage described worse half pier swept away rough seas buildings collapsed sustained heavy damage numerous trees including live oak uprooted winds united_states_army provided port temporary electrical generator provided power water pumps light cape_hatteras caused estimated million damages damage infrastructure tapered coast crop damage observed inland corn crop affected rainfall associated primarily concentrated coastal regions north_carolina peaking wilmington international airport rain measured rainfall totals commonplace north_carolina coast indirect death occurred car flooded highway killing driver state damages amounted million south_carolina effects south_carolina severe north_carolina closest approach state september charleston sustained winds reached mph minor damage reported trees street signs blown beach houses suffered damage sporadic small power outages occurred city damage progressively worse georgetown automobile accidents torn roofs damaged piers percent structure reported roof damage causing estimated damages south_carolina coast beach erosion occurred strong waves sections pier swept sea hill fishing piers damaged damage minor limited roof window damage inland columbia damage minimal rainfall reported light damage crops reported inland particularly state damages estimated hurricane include beach erosion damage sand dunes united_states result away united_states east_coast damage united_states outside carolinas severe virginia damage relatively minor peak gust mph reported norfolk damage minor confined downed utility wires marginal damage rainfall primarily concentrated carolinas official rain measured precipitation coastal areas south_carolina maine precipitation increased frontal zone hurricane north rainfall peaked pennsylvania outside pennsylvania carolinas weather station reported rainfall exceeding new_england region rainfall peaked massachusetts massachusetts rainfall totals ranging caused minor flooding road minor floods led automotive accidents states new_england reported rainfall peaks lowest peak occurring weather station reported rainfall atlantic_canada approached atlantic_canada process transitioning extratropical storm produced heavy rainfall strong winds islands passing east nova scotia september dropped entire province peaking gusts peaked mph mph mph storm damaged power lines island quickly repaired strong winds uprooted trees halifax nova scotia area nova scotia worst effects felt storm considered worst years communication line island mainland effective storm passed numerous downed power lines resulted minor fires schools closed island sydney nova_scotia considerable property damage people lost power lack sufficient electricity forced suspension publications disrupted normal restaurant cooking procedures damages community amounted offshore cutter measuring length washed ashore coast fishing wharf nova_scotia destroyed rough seas generated traps carried result new_brunswick hurricane impacts relatively minor rainfall peaked quickly accelerating northwards landfall newfoundland late september rainfall peaked northern parts island rainfall amounts generally minimal peninsula weather station naval station reported maximum sustained winds mph gust mph winds severed communications southwestern newfoundland cut communications newfoundland mainland cut rest newfoundland rough seas generated resulted destruction piers lack boat service damage caused hurricane island estimated excess aftermath following storm governor north_carolina united_states senator north_carolina requested disaster declaration state president united_states designated portions north_carolina impacted storm disaster area according people kept shelters following large scale evacuation procedures resulting low loss life storm weather_bureau recommended certain organizations awarded public certificate cooperation weather_bureau hurricane duration recommended recipients radio stations
Hurricane Helene (1958)