TONIGHT, THE NEW STORM THREAT MOVING INTO THE NORTHEAST AS MILLIONS IN FLORIDA BRACE FOR MORE DEVASTATING FLOODS. THE NEW IMAGES COMING IN TO US, ENTIRE NEIGHBORHOODS UNDERWATER AFTER AREAS GOT NEARLY TWO FEET OF FIRST RAIN. FIRST RESPONDERS ILIE RESCUING FAMILIES TRAPPED IN THEIR HOMES. OTHERS STORM THREAT WE'RE TRACKING MOVING INTO THE OUSA NORTHEAST. THOUSANDS OF FLIGHTS AND DELAYED AS WES HIT A RECORD-BREAKING STRETCH OF SUMMER TRAVEL. ALSO TONIGHT, TWO ST REC TERRIFYING MIDAIR INCIDENTS INVOLVING SOUTHWEST PLANES.

AIRCRAFT PLUNGING WITHIN 400 FEET OF HITTING THE OCEAN. ANOTHER DAMAGED BY A RARE AND SCARY PHENOMENON. THE INVESTIGATIONS TONIGHT. >>> THE MAJOR REVERSAL ON BUMP STOCKS. THEY ALLOW SEMI-AUTOMATIC GUNS TO SHOOT MUCH FASTER. WHY THE SUPREME COURT OVERTURNED THE TRUMP-ERA BAN. >>> PRINCESS KATE SHARING A NEW IMAGE AND UPDATE ON HER CANCER BATTLE SAYING SHE IS MAKING PROGRESS BUT NOT OUT OF THE WOODS YET. MAKE A PUBLIC RETURN THIS WEEKEND. >>> PRESIDENT BIDEN MEETING WITH THE POPE ON THE SIDELINES OF

HE POP'S G7. IDEL ALSO JIMMY FALLON, OPIE CHRIS ROCK, WHOOPI GOLDBERG, AT THE VATICAN FOR A -STU STAR-STUDDEDDD EVENT. >>> CALIFORNIA'S'S ING CRUMBLING COASTLINE AND THE FAMILIES WHO FEAR THEIR HOMES WILL BE WASHED C C AWAY. EXCLUSIVE R ACCESS TO THE HIDDEN SECRET BENEATHTH THE RUINS OF POMPEII. NEWLY DISCOVERED AFTER NEARLY 2,000 YEARS. NEWLY D >> Announcer: THIS IS NBC NIGHTLY NEWS WITH LESTER HOLT. >>> GOOD EVENING AND WELCOME. WE HAVE MADE IT TO THE END OF A A WEEKE MAD ANDNDEN HAS BEENN A DISASTROUS TROU ONE FORS MILLIONS IN DA W

SOUTH FLORIDA WHO HAVE BEEN HIT WITH HO RELENTLESS RAIN FOR NOUR STRAIGHT DAYS NOW. A FLOOD WATCH STILL IN ATCH EFFECT IN MANY AREAS CT I THIS EVENING AFTER STORMS BROUGHTN THIS E MORE THAN 20 INCHES OF RAIN TO THE REGION. LEAVING ROADS UNDERWATER, CARS SUBMERGED AND HUNDREDS OF HOMES FLOODED. FIRST RESPONDERS CARRYING OUT NEW RESCUES TODAY, REACHING FAMILIES WHO HAVE BEEN TRAPPED IN THEIR HOMES FOR DAYS IN SOMEE HOMES CASES. AND THERE IS A NEW A RE THREAT WE'RE TRACKING TONIGHT. SEVERE STORMS PUTTING SEVERE 52 MILLION PEOPLE AT RISK FROM THE HIGH PLAINSNS TO THEPL NORTHEAST.

THE WEATHER IS CAUSING TRAVEL HEADACHES. THOUSANDS OF FLIGHTS ARE DELAYED AS WE HEAD INTO THE BUSY FATHER'S DAY WEEKEND. OUR SAM BROCK IS IN THE STORM ZONE IN FLORIDA. SAM, THE THREAT CONTINUES TONIGHT? >> Reporter: YEAH, LESTER, MANY PARTS OF THE COUNTRY ARE BRACING FOR SEVERE WEATHER EVENTS AS THINGS HAVE CALMED DOWN A BIT HERE IN SOUTH FLORIDA. THAT SAID, WE HAVE STILL SEEN THE SAME AMOUNT OF RAIN AS HURRICANE IRMA. THERE ARE HIGH-WATER VEHICLES ON THIS STREET REACHING RESIDENTS, TRYING TO GET THEM OUT TO SAFETY.

IS AS THE ISSUES CONTINUE INTO THE FATHER'S DAY WEEKEND. SUES CONTINUED TONIGHT IN FLORIDA. IT'S ROUND FOUR WEEK WITH THE WEEK'S WORTH OF RAINWATER STILL OUGH CASCADING THROUGH THESE NEIGHBORHOODS, INCLUDING THIS PORTION OF MIAMI-DADE THAT HAS SEEN TWO FEET OF WATER. FIRE CREWS HOISTING LE FRO FROM THEIR HOMES. IN NORTH MIAMI THERE IS THREE TO FOUR FEET OF WATER ON THE GROUND EVEN THIS POINT. IF YOU DON'T HAVE MIAMI TOW TRUCK OR SUV TO GET OUT, SOME RESIDENTS SAY THEY HAVE BEEN STUCK WITHOUT BEING ABLE TOO RES EN LEAVE FOR DAYS. >> IT'S JUST UNSANITARY TO SEE PEOPLE WALKING THROUGH

THE WATER, LIVING IN LE T 2024. Reporter: A REMINDER OF THE TIMES SERIOUS TROUBLE IN THE BE WALR AIR. THERE HAVE BEEN SEVERAL THOUSAND FLIGHT DELAYS ACROSS THE U.S. WITH INCLEMENT WEATHER PROVING DISRUPTIVEE BLA FROM. BOSTON BLASTED BY THUNDERSTORMS TO MINNESOTA STILL RECOVERING FROM EARLIER THIS WEEK. BACK IN STEDED FLORIDA, O RESIDENTS ARERECOVE WE TRYING TO DRY OUT. WHAT ARE YOU DOING? >> SUCKING THE DENTS WATER OUT BECAUSE IT'S WH LIKE ABOUT TWO INCHES. Reporter: A MAN USE AGO VACUUM IN HIS HOUSE. >> I HAVEN'T SEEN VAC MIAMI LIKEUU THIS.

I SEE IT MORE LIKE IKE DURING LIKE HURRICANE TIME, BUT NOT LIKE NON-HURRICANE RELATED, NO. Reporter: TOO THIS COUPLE WAITING FOR THEIR CAR TO BE TOWED. THE GOVERNOR AYIN DOWNPLAYING THE EMERGENCY TODAY. A MONTH AFTER SIGNING A BILL TOO REDUCE THE FOOTPRINT OF CLIMATE CHANGE IN THE STATE'S ENERGY POLICY. THE BRIEFING IT R WAS FOUND WAS MORE OF A TYPICAL SOUTH FLORIDA AFTERNOON TYPE SHOWER. Reporter: DO YOU THINK FOR FOLKS IN THE MIDDLE OF THIS IT'SRNOON FF UPSETTING TO HEAR THE IN TH GOVERNOR DESCRIBE IT AS NORMAL THUNDERSTORM? YEAH, OF COURSE THEY ARERE GOING

TO GET MAD. IT'S NOT NORMAL. NO, YOU CAN'T GET MAD AT MOTHER NATURE, BUT IT'S BEEN HAPPENING OVER AND OVER. >> Reporter: SAM BROCK, NBC NEWS, MIAMI. >> AND HEADING INTO THE BUSY TRAVEL WEEKEND, WE ARE LEARNING ABOUT TWO RECENT SCARY MIDAIR INCIDENTS. A COMMERCIAL AIRLINER COMING CLOSE TO SLAMMING INTO THE HAWAII AND ANOTHER GOING INTO AN UNCOMMANDED ROLL. WE GET MORE FROM TOM COSTELLO. >> Reporter: IT WAS A VERY CLOSE CALL OFF KAUAI IN APRIL. THE FAA CONFIRMING IT'S INVESTIGATING A SOUTHWEST FLIGHT THAT

CAME WITHIN THE WEST 400 FEET OF SLAMMING INTO THE OCEAN WHILE ATTEMPTING TO LAND IN BAD WEATHER. A SOUTHWEST MEMO TO PILOTS SAYS A LESS EXPERIENCED FIRST OFFICER INADVERTENTLY PUSHED THE CONTROL COLUMN FORWARD, CUT THE SPEED, CAUSING COCKPIT ALARMS TO GO OFF BEFORE THE CAPTAIN ORDERED AN AGGRESSIVE CLIMB. NO INJURIES. SOUTHWEST TELLS NBC NEWS NOTHING IS MORE IMPORTANT THAN SAFETY. THE EVENT WAS PROPERLY ADDRESSED APPROPRIATELY AS WE ALWAYS STRIVE FOR CONTINUOUS IMPROVEMENT. MEANWHILE, THE NTSB IS INVESTIGATING ANOTHER INCIDENT THAT HAPPENED

IN MAY, A ONNOTH THAT A SOUTHO FLIGHT FROM PHOENIX TO OAKLAND. AT 34,000 FEET OAKLAN THE 737 MAX 8 SUDDENLY WENT INTO ONLY A PILOT'S CALL A DUTCH ROLL. OSCILLATING AND ROCK WILLING FROM SIDE DEOSCI TO SIDE, PILOTS REGAINED CONTROL AND LANDED SAFELY. A POST-FLIGHT STAN INSPECTION REVEALED DB DAMAGE TO THE EPO POWER PRO CONTROL UNIT THAT PROVIDES BACKUP POWER RUDDER. EHE THE FAA SAYS IT HAS NO REPORTS OF SIMILAROORTS PROBLEMS INVOLVING OTHER 737 MAXES. >> I DON'T THINK WE HAVE A PROBLEM HERE. THERE IS SOMETHING UNIQUE TO THIS SHA AIRPLANE. THAT'S WHAT THE

INVESTIGATORS WILL CONCENTRATE ON. >> Reporter: AND ANOTHER CONCERN. THE FAA LOOKING AT WHETHER POTENTIALLY COUNTERFEIT TITANIUM FROM CHINA MADE ITS WAY INTO THE BOEING AND AIRBUS SUPPLY CHAINS WITH FORGED DOCUMENTS. BOEING FLAGGED THE CONCERN TO THE FAA. BOTH BOEING AND AIRBUS SAY THERE IS NO SIGN OF THAT ANY AIRCRAFT WAS MADE WITH SUSPECT TITANIUM. DOES THE FAA HAVE ENOUGH INSPECTORS RIGHT NOW TO TRULY KEEP AN EYE ON BOEING? >> WE FEEL LIKE WE HAVE ENOUGH INSPECTORS. WE CONTINUE TO HIRE AND TRAIN MORE. >> Reporter: THIS COMES AS THE TSA

PREDICTS IT COULD BE MORE: IT RECORDS A NUMBER OF PASSENGERS NEXT WEEK, 3 MILLION IN A SINGLE DAY. >>> AADAY. MAJOR RULING TODAY FROM THE SUPREME COURT OVERTURNING THE BAN ON ANSTOCK BUMP STOCKS. PLACE IT WAS PUT IN PLACE DURING THE TRUMP ERA AFTER THE 2017 LAS VEGAS MASSACRE. HERE IS LAURA JARRETT. >> Reporter: IT WAS THE DEADLIEST MASS SHOOTING IN AMERICAN HISTORY. UNLEASHED NEAR THE VEGAS STRIP. A GUNMAN KILLING 60 PEOPLE AT A CONCERT, INJURING HUNDREDS MORE. HIS ARSENAL OF WEAPONS

OUTFITTED WITH BUMP STOCKS, PROMPTING FORMER PRESIDENT TRUMP TO CLASSIFY THEM AS MACHINE GUNS AND BAN THEM. >> WE HAVE TAKEN PROTI STEPS, BUT MUCH WORK REMAINS TO BE DONE. >> Reporter: TODAY, THE SUPREME COURT'S CONSERVATIVE MAJORITY SAYING THAT BAN WENT TOO FAR. Reporter: THE BUMP STOCKS ALLOW AUTOMATIC SEMI-AUTOMATIC RIFLES TO FIRE MORE QUICKLY, HUNDREDS OF ROUNDS PER MINUTE, HARNESSING A GUN'S NATURAL RECOIL TO ALLOW A USER TO BUMP THE TRIGGER FASTER. JUSTICES WRESTLED WHETHER IT FITS THE TECHNICAL DEFINITION OF A MACHINE GUN.

SOMETHINGSTLED LONG BANNE UNDER FEDERAL LAW, FINDING IT THEY DO NOT. IN A DIVIDED 6-3 RULING TODAY WITH JUSTICE THOMAS ING WRITING, EVEN WITH A BUMP STOCK, Y. A SEMI-AUTOMATIC RIFLE ONLYY ONE FIR SHOT FOR EVERY FUNCTION OF THE TRIGGER. E ONLY ONER BUT JUSTICE SOTOMAYOR IN DISSENT FINDING BUMP STOCKSS FUNCTIONALLY KS EQUIVALENT TO A MACHINE GUN, WRITING WHEN I SEE A A BIRD THAT WALKS LIKE A DUCK, SWIMS LIKE A DUCK, AND QUACKS LIKE A DUCK, I CALL THAT BIRD A DUCK. SOME LAWFUL GUN OWNERS LIKE JEREMIAH COTTLE WHO INVENTED THE GUN BUMP

STOCK ARGUED THE PRIORSSARGU ADMINISTRATION SIMPLY  OVERSTEPPED ITS  AUTHORITY.  >> THE PRESIDENT  DOESN'T GET TO MAKE  LAW THAT CONGRESS AUAU   DOES.  >> Reporter: TONIGHT  THE WHITE HOUSE  CALLING ON CONGRESS TO BAN THE DEVICE. >> WHAT THE COURT DID    IS ROLLING BACK WHAT  OTHERWISE IMPORTANT  PROGRESS TO BE MADE TO PREVENT GUN VIOLENCE  IN AMERICA.  >> LAURA IS HERE. WE ARE WAITING ON MORE KEY RULINGS FROM THE   COURT? >> YES, ANOTHER MAJOR  DECISION TO COME STILLLL ON GUNS AND LE OF COURSE  THE RULING ABOUT   WHETHER THE FORMER  PRESIDENT ISS IMMUNE  FROM PROSECUTION FOR  TRYING TOM  OVERTURN THEHE LS LAST ELECTION LAST >> LAU

YEAR. Thank you. There is good news tonight from Princess Kate breaking her silence on how her cancer treatments are going and revealing plans to make her first official appearance since her diagnosis this weekend. Here's Megan Fitzgerald. Catherine, the Princess of Wales, posting a new photo along with a rare update on her cancer treatment. I am making good progress, she says, but as anyone going through chemotherapy knows, there are good days and bad days.

IN HER MESSAGE, THE IN H PRINCESS SAYS SHE KNOWS SHEER IS NOT OUT OF THE WOODS YET ANDND TAKING EACH DAY AS IT AS COMES. LISTENING I TO MY Y BODY AND ALLOWING MYSELF TO TAKE THIS MUCH NEEDED TIME TO HEAL. T THIS IS THE FIRST TIME KATE PRINCESS KATE PUBLICLY ADDRESSED HER CANCER SINCER ANNOUNCING THE DIAGNOSIS IN MARCH. >> IT HAS BEEN AN DIN MA INCREDIBLY TOUGH COUPLE OF MONTHS FOR OUR OUGH FAMILY. >> Reporter: TODAY THANKING PEOPLE FOR THEIR MESSAGES OF SUPPORT ANDND ENCOURAGEMENT, SAYING IT REALLY HAS MADE THE SUAYIG WORLD OF DIFFERENCE TO T WILLIAM AND ME, AND RLD HAS HELPED US BOTH.

THROUGH SOME OF THE HARDER TIMES. OH, THE 42-YEAR-OLD, WHO HAS NOT HARD ATTENDED OFFICIAL EVENTS SINCE CHRISTMAS AND UNDERWENT ABDOMINAL SURGERY IN JANUARY, WENT ON TO SAY, I AM LOOKING FORWARD TO ATTENDING THE KING'S BIRTHDAY BRADY THIS WEEKEND AND HOPE TO JOIN A FEW PUBLIC ENGAGE. OVER THE SUMMER. WHILE TOMORROW IS ABOUT CELEBRATING KING SUMMER CHARLES, ALL EYES WILL BE ON THE PRINCESS OF WALES WHO IS EXPECTED TO BE IN A HORSE-DRAWN CARRIAGE AND ON THE BALCONY WITH OTHER MEMBERS OF THE ROYAL FAMILY. LESTER. MEGAN FITZGERALD IN

LONDON, THANK YOU. NOW TO ITALY AND PRESIDENT BIDEN'S BIG FAMILY MEETING WITH POPE FRANCIS. IT COMES AS RUSSIAN PRESIDENT VLADIMIR PUTIN INSISTS HE IS OPEN TO PEACE IN UKRAINE, BUT WITH TO SOME CONTROVERSIAL CONDITIONS. GABE GUTIERREZ REPORTS. >> Reporter: TONIGHT PRESIDENT BIDEN UP THE G7 INITIALLY AFTER A PRIVATE MEETING WITH POPE FRANCIS. THE PRESIDENT AND WITH PO DEV CATHOLIC GREETED THE PONTIFF. THE POPE URGING THEM INTE TO ESTABLISH GUARDRAILS FOR ARTIFICIAL INTELLIGENCE. A.I. IS A FASCINATING TOOL AND ALSO A TERRIFYING ONE.

HELLIGENCE IS FASCIN SAYS. THE POPE USING HIS PULPIT IN NONTRADITIONAL WAYS, HOSTING A GATHERING OF MORE THAN 100 COMEDIANS AND ACTORS AT THE VATICAN, INCLUDING JIMMY FALLON, WHOOPI GOLDBERG, AND CHRIS ROCK AMONG OTHERS, TELLING THEM IN THE MIDST OF GLOOMY NEWS, OH YOU HAVE THE POWER TO SPREAD PEACE AND SMILES. TO WAY PEACE SEEMS A LONG WAY OFF IN UKRAINE. RUSSIAN PRESIDENT VLADIMIR PUTIN NOW SAYING HE WOULD BE WILLING TO HOLD PEACE TALKS, ONLY IF UKRAINE WERE TO GIVE UP TERRITORY AND NOT JOIN NATO.

CONDITIONS UKRAINE IS NATO CALLING, ABSURD AFTER PRESIDENT BIDEN AND ZE UKRAINIAN PRESIDENT ZELENSKYY SIGNED A SECURITY AGREEMENT YESTERDAY. >> WE ARE GOING IT STAND WITH UKRAINE. >> Reporter: PRESIDENT BIDEN ALSO DENOUNCING DAY. ECENT ACTS OF LE O DENT HATE IN NEW YORK, INCLUDING ANTISEMITIC THREATS IN THE SUBWAY CAR. YORK I >> RAI >> RAISE YOUR HANDS IF A A YOU'RE A ZIONIST! ET >> Reporter: PROTESTERS ALSO HOLDING A BANNER OUT. READING LONG LIVE OCTOBER 7th OUTSIDE AN EXIT HONORING ISRAELI OU VICTIMS OF THE HAMASTS TERROR ATTACKS AS WELL AS VANDALS SCRAWLING VAN

HAMASDA SYMBOLS IN RED PAINT ON THE HOME OF A MUSEUM DIRECTOR, WHO IS JEWISH. THE PRESIDENT WRITING, THESE HORRIFIC ACTS OF ANTISEMITISM THIS WEEK ARE ABHORRENT. LATE TONIGHT, THE WHITE HOUSE RESPONDING TO PUTIN'S OFFER, SAYING, THERE IS NOT A COUNTRY IN THE WORLD THAT COULD SAY WITH A STRAIGHT FACE THIS IS ACCEPTABLE. HAS LESSER. THERE IS NOW TONIGHT FROM HOUSTON, ACCE, WHERE THE SANDY HOOK FAMILIES ARE STILL FIGHTING TO GET THE $1.5 BILLION IN DAMAGES THEY ARE OWED FROM CONSPIRACY THEORIST ALEX JONES. HOMPSO ANNE THOMPSON IS HERE. WHAT HAPPENED IN

COURT? >> ALEX JONES WILL HAVE TO LIQUIDATE HIS PERSONAL ASSETS TOO, LEST HELP PAY THAT DEBT. BUT THE FEDERAL BANKRUPTCY JUDGE IN HOUSTON SAID THE SAI CONSPIRACY PROMOTER COULD KEEP HIS BUSINESS THAT RUNS HIS INFOWARS WEBSITE, SAYING THAT IT WAS ONE OF THE MOST DIFFICULT CASES HE HAS HAD. JUDGE LOPEZ DISMISSED THE REQUEST TO LIQUIDATE FREE SPEECH SYSTEMS. HE APOLOGIZED FOR MAKING THAT DECISION TWO DAYS BEFORE FATHER'S DAY. ALSO, THE WEEK THAT THE CLASSMATES OF THE 20 CHILD VICTIMS GRADUATED FROM HIGH SCHOOL. JONES IS ESTIMATED TO FA

GR. $9 MILLION AND MILLIONS IN PERSONAL ASSETS. THE COMPANY IS SAID TO HAVE A CASH VALUE OF $6 MILLION. THE THEORY BEHIND THE DECISION IS THAT KEEPING THE BUSINESS GOING ALLOWS IT TO PAY THE FAMILIES. THE JUDGE PUT NO LIMITS ON WHAT JUDGE -- OR WHAT JONES CAN SAY ON HIS WEB CASTS. >> THANK YOU. >>> IN JUST 60 SECONDS, TELEHEALTH ON S >>> WE ARE BACK NOW WITH NEWS ABOUT THE NATIONWIDE ADDERALL SHORTAGE. TWO EXECUTIVES ARRESTED AT A COMPANY THAT PRESCRIBED MILLIONS OF THE PILLS. HERE IS MAGGIE VESPA. >> YOU ARE NOT YOUR ADHD. AND WE ARE

Reporter: TONIGHT, DONE GLOBAL, A TELEHEALTH PROVIDER, PROMISING HOPE TO MILLIONS UNDER A FEDERAL MICROSCOPE, WITH THE JUSTICE DEPARTMENT ANNOUNCING THE ARRESTS OF TOP EXECUTIVES, RUTHIA HE AND DAVID BRODY, CHARGING THEM WITH CARRYING OUT A $100 MILLION FRAUD SCHEME. DISTRIBUTING MORE THAN 40 MILLION PILLS OF ADDERALL AND OTHER PRESCRIPTION STIMULANTS, WHETHER OR NOT PATIENTS QUALIFIED. ATTORNEY GENERAL MERRICK GARLAND ALLEGING THE CALIFORNIA-BASED STARTUP EXPLOITED THE COVID-19 PANDEMIC AND LOOSENED REGULATIONS AROUND ONLINE PRESCRIPTIONS. THE DOJ ALLEGES DONE TARGETED DRUG SEEKERS AND EXACERBATED A

NATIONWIDE SHORTAGE OF ADHD FIRST DECLARED IN 2022. THAT SHORTAGE STILL PLAGUING PEOPLE LIKE 10-YEAR-OLD LINUS HOWELL WHOSE PARENTS STRUGGLE MONTHLY TO FILL HIS PRESCRIPTION. ONCE CALLING 22 PHARMACIES AND DRIVING NEARLY TWO HOURS. HOW MIND EMPLOYING IS THAT? >> IT'S TRUST YOU RAG WAS A PARENT. >> Reporter: NOW HEARING ABOUT THE ALLEGED FRAUD. >> IT FURTHERS THE NARRATIVE THAT ADDERALL IS MORE OF A RECREATIONAL DRUG. I FEEL LIKE IT'S JUST EXTREMELY UNFORTUNATE FOR PEOPLE WHO ACTUALLY NEED IT. >> Reporter: THE CDC ESTIMATES UP TO 50,000 PATIENTS COULD NOW

HAVE THEIR ACCESS TO  MEDICATION IMPACTED. >> I THINK WE ALREADY  HAVE A CRISIS OF  HEALTHCARE PROVIDERS  IN OUR COUNTRY. NOW, WE ARE GOING TO  ADD 50,000 PEOPLE WHO  NEED NEW PROVIDERS.  >> Reporter: NBC NEWS  LEARNED HE HAS YET TO  ENTER A PLEA. BRODY PLEADED NOT  GUILTY. IF CONVICTED, THEY BOTH FACE UP TO 20 YEARS IN PRISON. INTO WHEN WE  RETURN INSIDE THE  DESPERATE EFFORT TO  SAVE THE C >>> AND WE'RE BACK NOW. >>> AND WE'RE BACK NOW WITH A STORY FROM THE  EDGE OF THE CLIMATE  CHANGE. COASTAL EROSION IN  CALIFORNIA FROM RECORD RAINFALL IS  CONTRIBUTING TO A NEW  CHALLENGE, SHRINKING  BEACHES UP AND DOWN  THE STATE. LIZ KREUTZ REPORTS ON.

THE EFFORT TO SAVE THEM. >> Reporter: IT'S ONE ICONIC PART OF CALIFORNIA. THE SPRAWLING BEACHES. BUT AFTER TWO YEARS OF RECORD RAINFALL, NOW A GROWING CONUNDRUM. HOW TO SAVE THE STATE'S CRUMBLING COASTLINE. >> THE VOLLEYBALL COURT WAS WHERE THE ROCKS WERE. >> Reporter: THEY LIVE SMACK ON THE BEACH IN THE CITY OF OCEANSIDE, WHICH HAS LOST 45 FEET OF SAND SINCE 2000. >> WE HAVE HAD THE VOLLEYBALL IN OUR FRONT YARD. >> Reporter: WHEN HER FAMILY MOVED HERE IN THE '40s, LOOKED NOTHING LIKE TODAY. >> THERE REALLY IS NO BEACH. THE BEACH IS GONE. >> Reporter: SHRINKING

BEACHES IN THE AREA ARE IN PART DUE TO MAN-MADE PROJECTS, BUT LOCALS SAY MADE WORSE BY THE INTENSIFYING STORMS THAT HAMMERED THE STATE AND LEFT HOMES TEETERING ON CLIFFS. AND PARTS OF HIGHWAY 1 AND BIG SUR COLLAPSED. SOME BEACHES NOW LOOK LIKE THIS. MOSTLY COBBLE AND ROCKS, LITTLE TO NO SAND, WHICH BEYOND JUST MAKING A BEACH ENJOYABLE, IS CRITICAL TO PROTECTING THESE BLUFFS AND SLOWING COASTAL EROSION. SCIENTISTS SAY SAND ACTS AS A NATURAL BUFFER AGAINST POUNDING WAVES THAT ERODE AWAY AT THE CLIFFS. WE HAVE CRITICAL INFRASTRUCTURE LIKE HIGHWAYS AND RAILROADS

THREATENED BARBIE EROSION. IF WE DON'T HAVE THE BEACH TO BUFFER THE WAVES. >> Reporter: ALREADY SOME CITIES MAKING PLANS TO MOVE TRAIN TRACKS AND PART OF A HIGHWAY FURTHER INLAND AWAY FROM THE ERODING COAST. THIS AS USGS SAYS BY 21 # 0, 75% OF THE STATE'S BEACHES MAY DISAPPEAR WITHOUT LIMITED HUMAN INTERVENTION DUE TO RISING SEA LEVELS. SO UNDERWAY RIGHT NOW A MULTI-MILLION DOLLAR RACE TO BUILD BACK THE BEACHES. IN ENCINITAS, THIS BEACH HAS BEEN TRIPLED IN SIZE BY A U.S. ARMY CORPS OF ENGINEERS SAND REPLENISHMENT PROJECT. AND BACK NORTH IN OCEANSIDE, A DIFFERENT

APPROACH. >> THIS USED TO BE SAND  COMING DOWN HERE.  >> Reporter: A  GRASSROOTS GROUP IS  ADVOCATING TO BUILD  SPEED BUMPS LIKE THIS  TO SLOW THE  EROSION. A STRATEGY, THEY SAY,  HAS SUCCESSFULLY SAVED AUSTRALIA'S GOLD  COAST.  >> YOU CAN'T SEE  DEVASTATION ON THE  SHORELINE AND THEN NOW WE ARE HAVING AN  EMERGENCY RESPONSE. WHY NOT BE PROACTIVE? >> Reporter: NO ONE  HOPES MORE THAN  MARRYANNE AND DUKE. INSURANCE COMPANIES  PULL OUT OF THE STATE  DUE TO GROWING DAMAGE  FROM CLIMATE  DISASTERS. THE COST OF THEIR COVERAGE HAS  TRIPLED. WHAT HAVE THEY TOLD  YOU? >> THAT CALIFORNIA HAS INSURANCE PROBLEMS AND YOU'RE LUCKY TO BE

INSURED. >> Reporter: WHAT'S NEXT IS NOW IN LIMBO. IF MORE ISN'T DONE TO CHANGE THIS, WHAT'S THE FUTURE OF THIS BEACH? >> THERE IS NO FUTURE. THIS HOUSE IS GONE. >> Reporter: A CHANGING COAST AND UNCERTAIN FUTURE. A HOPE THAT SAVING THE SAND, IF NOT A LONG-TERM FIX, WILL AT LEAST BUY CALIFORNIA TIME TO FIND ONE. LIZ KREUTZ, NBC NEWS, OCEANSIDE, CALIFORNIA. >>> WHEN WE COME BACK, INTO THE ANCIENT WORLD OF POMPEII. OUR EXCLUSIVE >>> FINALLY >>> FINALLY TONIGHT, BURIED UNDER LAVA AND ASH, NEARLY 2,000 YEARS OLD, WE GET AN EXCLUSIVE TOUR OF NEW DISCOVERIES IN THE ANCIENT CITY OF

POMPEII. HERE'S NBC'S KELLY COBIELLA. >> Reporter: TONIGHT, A RARE GLIMPSE INTO THE DISTANT PAST. >> SO THIS, OH, WOW, THIS IS THE BLUE ROOM? >> IT'S A VERY SPECIAL THING. >> Reporter: A STUNNING ROOM HIDDEN FOR CENTURIES UNDER 20 FEET OF VOLCANIC DEBRIS REVEALED FOR THE FIRST TIME. >> IT'S SO VIBRANT. >> Reporter: ARCHEOLOGISTS THINK IT'S A SHRINE COVERED IN BREATHTAKING FRESCOS AND WHERE EGYPTIAN BLUE PAINT. ON THE FLOOR, PILES OF CONSTRUCTION MATERIALS LEFT JUST AS THEY WERE WHEN MOUNT VESUVIUS ERUPTED NEARLY 2,000 YEARS AGO. WHAT DID YOU THINK

WHEN YOU FIRST SAW THE BLUE ROOM? >> I WAS STUNNED. >> YOU CAN SEE THESE FINE DETAILS, EVIDENCE THAT INCREDIBLE. >> Reporter: THESE MIT STUDENTS ON SITE, USING SPECIALLY ADAPTED NIGHT-VISION GOGGLES AND HANDHELD SCANNERS TO STUDY THE NEW FINDS. >> NOBODY'S REALLY LOOKED AT THESE MATERIALS BEFORE. >> Reporter: THIS ROOM ONE OF MANY RECENTLY UNEARTHED IN THE BIGGEST DIG IN A GENERATION. VAST BANQUET HALLS, WORKING BAKERIES, CHILDREN'S DRAWINGS, ALL PRESERVED BY THE VOLCANIC DEBRIS. ARCHEOLOGISTS HAVE BEEN DIGGING HERE MORE THAN 200 YEARS. IT'S THE MOST INTACT EXAMPLE OF A ROMAN

CITY IN THE WORLD. A THIRD OF IT IS STILL BURIED, AND FINDING THE ARTIFACTS IS ONLY THE FIRST STEP. >> YOU HAVE TO IMAGINE THIS IS ALL BURIED UNDER VOLCANIC MATERIALS. >> Reporter: ARCHEOLOGISTS ARE TRYING TO PUT THE PUZZLE BACK TOGETHER. THESE FRAGMENTS PART OF A MAGNIFICENT CEILING CRUSHED UNDER THE WEIGHT OF VOLCANIC ROCK. >> IT'S NICE THAT THESE THINGS REMAIN MYSTERIES. THERE IS ALWAYS INTRIGUE. I THINK THAT'S WHAT KEEPS POMPEII ALIVE. >> Reporter: ALWAYS A MASSIVE JIGSAW PUZZLE? >> ABSOLUTELY, YEAH. >> Reporter: THE PAST SLOWLY RE-EMERGING PIECE BY PIECE.

KELLY COBIELLA, NBC NEWS, POMPEII. >>> AND THAT'S NIGHTLY NEWS FOR THIS FRIDAY. THANK YOU FOR WATCHING. I'M LESTER HOLT. PLEASE TAKE CARE OF YOURSELF AND EACH OTHER.

Nightly News Full Broadcast - June 14

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