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One survivor described "a tidal wave coming over the trees." Another said it sounded like a jetliner was crashing in the lush, green valley. A third compared it with Niagara Falls.
At least one person was killed and seven people were missing after a dam broke Tuesday morning on the Hawaiian island of Kauai, sending almost 500 million gallons of water down an island valley.
"Sounded like a 747 jet crashing here in the valley, all the trees popping and snapping and everything," resident John Hawthorne told The Associated Press. "It was just a horrendous sound, and it never quit." (Watch how a half-billion gallons of water devastated a Hawaii valley -- 2:16)
HAWAII HAS BEEN IMPACTED BY A SERIES OF UPPER LEVEL LOW PRESSURE
SYSTEMS BEGINNING AROUND FEBRUARY 18. EACH OF THESE 4 SYSTEMS HAVE
DEVELOPED JUST TO THE NORTHWEST OF THE STATE AND BROUGHT UNSTABLE
CONDITIONS AND TAPPED ABUNDANT MOISTURE TO OUR SOUTH IN THE DEEP
TROPICS. THIS RESULTED IN THE DEVELOPMENT OF HEAVY SHOWERS AND
THUNDERSTORMS ACROSS THE STATE. AT THE SAME TIME...THE SURFACE WINDS
TURNED TO THE SOUTHEAST WHICH HELPED FOCUS MOST OF THE HEAVIEST
RAINS ON THE SOUTHEAST FACING SIDES OF MANY OF THE ISLANDS.
DURING THE FIRST EVENT...FEBRUARY 19-24...THE FOCUS OF THE HEAVIEST
RAIN AND SEVERE THUNDERSTORMS WAS ON KAUAI AND OAHU. DURING THE
MARCH 1-3 EVENT...THE WINDWARD SIDE OF OAHU WAS PARTICULARLY HARD
HIT BY SIGNIFICANT FLASH FLOODING. THE EVENT FROM MARCH 8-10 WAS
FOCUSED ON THE EAST SIDE OF THE BIG ISLAND...CENTRAL OAHU AND KAUAI
WITH FLOODING OCCURRING IN THOSE LOCATIONS. THE ONGOING EVENT HAS
PRODUCED ADDITIONAL FLOODING ON KAUAI AND THE BIG ISLAND.
TO PUT THE AMOUNTS IN PERSPECTIVE...THE AMOUNT OF RAIN ACROSS THE
HARDEST HIT AREAS THE LAST 3 WEEKS IS EQUIVALENT TO WHAT SHOULD
NORMALLY OCCUR FOR THE JANUARY THROUGH MARCH PERIOD. ON KAUAI...
THE RECENT RAINFALL IS 3 TO 6 TIMES THE NORMAL RAINFALL FOR THE
ENTIRE MONTH OF MARCH. ON OAHU...TOTALS ARE ABOUT 2 TO 3 TIMES THE
AVERAGE RAINFALL FOR MARCH...WITH THE HIGHEST TOTALS GENERALLY
ACROSS THE WINDWARD SIDE. MOLOKAI AND LANAI HAVE MISSED MOST OF THE
RAIN...AS HAD MUCH OF MAUI. THE EXCEPTION ON MAUI BEING THE
SOUTHEAST FLANK OF HALEAKALA...THE EASTERN HALF OF THE ISLAND. THIS
IS WHERE THE PREVAILING SOUTHEAST WINDS HAVE HAD THE MOST IMPACT
WITH PRODUCING RAINFALL. THE BIG ISLAND IS AN INTERESTING SITUATION
IN CONTRASTS. MUCH OF THE EAST AND SOUTHEAST SIDES OF THE ISLAND
HAVE RAINFALL TOTALS THAT ARE 2 TO 4 TIMES THE AMOUNT THAT FALLS IN
MARCH. AGAIN THIS IS DUE TO THE PREDOMINANT SOUTHEAST FLOW. THE WEST
SIDE OF THE ISLAND HAS HAD VERY LITTLE IN THE WAY OF RAINFALL AS THE
MOISTURE HAS BEEN BLOCKED BY THE LARGE MOUNTAINS OF MAUNA KEA AND
MAUNA LOA. AT SOME OF THESE SITES...RAINFALL CONTINUES TO BE BELOW
NORMAL. EVEN LAST WEEK...A WILDFIRE BROKE OUT IN THE DRY NORTHWEST
PART OF THE ISLAND BY PUU WAAWAA.
LOCATION TOTAL RAIN MAX IN 24HRS
MOUNT WAIALEALE 106.08 17.94
WAILUA 39.36 6.11
HANALEI RIVER 34.82 8.01
KAPAHI 30.53 6.41
LIHUE AIRPORT 28.85 5.85
HANALEI 26.28 5.46
LIHUE 25.85 4.79
OMAO 22.53 5.78
WAINIHA 21.16 7.25
PORT ALLEN 20.56 5.43
PRINCEVILLE AIRPORT 16.92 3.29
ANAHOLA 16.15 4.78
MOLOAA 14.92 2.70
KOKEE 14.82 3.70
KALAHEO 14.63 5.27
MAKAHA RIDGE 10.85 3.17
POAMOHO 63.36 10.69
WILSON TUNNEL 39.12 7.05
PUNALUU PUMP 34.92 12.73
LULUKU 34.47 5.85
WAIHEE PUMP 30.64 6.25
AHUIMANU LOOP 28.47 5.14
NUUANU UPPER 26.98 4.35
MAUNAWILI 23.74 5.86
ST. STEPHENS 23.68 4.62
KAHUKU 23.43 6.86
MANOA - LYON ARBORETUM 21.59 3.04
KAWAILOA 18.00 5.00
KII 17.99 5.46
HAKIPUU MAUKA 15.42 6.61
OLOMANA FIRE STATION 15.31 4.15
KANEOHE MCBH 13.63 3.19
WAIMANALO 13.52 5.22
PALISADES 12.67 3.84
BELLOWS AFS 10.87 3.67
MAKUA RIDGE 10.03 2.6
Voluntary flooding evacuations are being conducted in three communities as severe rain continues to drive across the southern and western parts of the island.
Waikomo Stream is over its banks in Koloa, prompting the evacuation of a number of areas in that region.
In Kalaheo, Alexander & Baldwin's Elua Reservoir was full and the company urged nearby residents to evacuate.
Originally posted by worldwatcher
isn't this year's La Nina supposed to be really strong and stay longer or something like that? I know it is supposed to mean more hurricanes in the atlantic, but wasn't it supposed to mean less rain for the pacific?
Originally posted by Zaphod58
Oahu had 5 inches of rain in less than 12 hours recently resulting in massive floods on the Leeward side of the island this time. The Ewa Beach area had water on the roads up to or over the hoods of some cars.
Giant Waterspout Funnels Over Ocean
A lingering weather front caused this waterspout to be formed in front of Marine Corps Base Hawaii at Kaneohe at about 4 p.m. yesterday. Today's weather forecast calls for heavy rains in the next few days.
FLASH FLOOD WATCH
Warning Issue Date: 0242 GMT MAR 31 2006
...Flash flood watch remains in effect through Friday evening... The flash flood watch continues for * all hawaiian islands. * through Friday evening * a surface trough to the west...An upper-level low to the northwest...And abundant moisture over the state will keep conditions unstable. More waves of heavy showers and thunderstorms are expected to affect the islands through Friday. * in many areas...The ground is saturated from heavy rain over the past several weeks. Any additional rainfall May run off... Quickly leading to flash flooding. Take the necessary precautions now to mitigate possible effects of flash flooding in your area. Be prepared to take quick action if a flash flood warning is issued or you observe heavy rain. $$ r ballard
Flash Flood Watch
Watch Issue Date: 0242 GMT MAR 31 2006
...Flash flood watch remains in effect through Friday evening...
The flash flood watch continues for
* all hawaiian islands.
* through Friday evening
* a surface trough to the west...An upper-level low to the
northwest...And abundant moisture over the state will keep
conditions unstable. More waves of heavy showers and thunderstorms
are expected to affect the islands through Friday.
* in many areas...The ground is saturated from heavy rain over the
past several weeks. Any additional rainfall May run off...
Quickly leading to flash flooding.
Take the necessary precautions now to mitigate possible effects
of flash flooding in your area. Be prepared to take quick action
if a flash flood warning is issued or you observe heavy rain.