000
NOHW40 PHFO 261459
PNSHFO
HIZ001>028-270300-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE HONOLULU HI
459 AM HST SUN AUG 26 2018

...EXTREME RAINFALL AMOUNTS FROM LANE OVER THE BIG ISLAND...

RAIN BANDS ASSOCIATED WITH LANE HAVE PRODUCED TORRENTIAL RAINFALL
OVER THE BIG ISLAND'S SLOPES FROM HAWI ON THE NORTH SIDE OF THE 
ISLAND TO NAALEHU ON THE SOUTH SIDE. SIGNIFICANT FLASH FLOODING
HAS OCCURRED IN MULTIPLE AREAS ACROSS THE NORTHEAST AND EAST 
FACING SLOPES OF THE ISLAND. SEVERAL EVACUATIONS OCCURRED, WITH
WATER RESCUES TAKING PLACE AT KAIULANI STREET IN HILO AND ALSO 
IN THE TOWN OF KEAAU. AS USUAL DURING HEAVY RAINFALL EVENTS, THE
BAYFRONT AREA WAS INUNDATED BY THE OVERFLOW OF ALENAIO STREAM.
HIGHWAY 19 WAS CLOSED IN MULTIPLE LOCATIONS DUE TO LANDSLIDES
AND FLOODING. AKONI PULE HIGHWAY WAS CLOSED BY A LANDSLIDE NEAR
HALAWA GULCH. HIGHWAY 130 WAS CLOSED BY FLOODING SOUTH OF KEAAU.
NUMEROUS OTHER ROADS WERE ALSO CLOSED BY FLOODING.

HEAVY RAIN AND FLASH FLOODING ALSO AFFECTED WINDWARD AND SOUTHEAST
SECTIONS OF MAUI, ESPECIALLY ALONG THE HANA HIGHWAY.

PLEASE REFER TO THE LOCAL STORM REPORT SUMMARY FOR MORE SPECIFICS
ON INDIVIDUAL REPORTS THROUGHOUT THE EVENT AT: 

WWW.PRH.NOAA.GOV/HNL/PAGES/LSR.PHP

MOUNTAIN VIEW HAS MEASURED 51.53 INCHES OF RAIN FOR THE PERIOD 
RUNNING FROM 12 NOON HST AUGUST 22 THROUGH 4 AM HST AUGUST 26.
THIS IS A PRELIMINARY TOTAL SUBJECT TO FINAL QUALITY CONTROL,
BUT THIS IS CURRENTLY THE THIRD HIGHEST STORM TOTAL RAINFALL
FROM A TROPICAL CYCLONE IN THE UNITED STATES SINCE 1950. THE
HIGHEST TOTAL IS 60.58 INCHES, MEASURED AT NEDERLAND, TEXAS,
DURING HURRICANE HARVEY IN 2017. THE SECOND HIGHEST TOTAL, 
AND THE HIGHEST TROPICAL CYCLONE STORM TOTAL RAINFALL IN HAWAII
IS 52.00 INCHES, MEASURED AT KANALOHULUHULU RANGER STATION, 
DURING HURRICANE HIKI IN 1950. 

HILO AIRPORT MEASURED 36.76 INCHES OF RAIN FOR THE FOUR DAY PERIOD
RUNNING FROM 12 MIDNIGHT HST AUGUST 22 THROUGH 1159 PM HST AUGUST
25. THIS IS THE WETTEST FOUR DAY PERIOD EVER OBSERVED AT HILO, 
WITH RECORDS DATING BACK TO 1949. HILO ALSO MEASURED 15.00 INCHES 
OF RAIN ON AUGUST 24, WHICH WAS THE FIFTH WETTEST CALENDAR DAY ON 
RECORD.

HERE ARE SOME OF THE NOTABLE RAINFALL TOTALS FROM THE ONGOING
EVENT, COVERING THE PERIOD FROM NOON HST AUGUST 22 THROUGH 
4 AM HST AUGUST 26. ALL VALUES ARE IN INCHES, AND ARE PRELIMINARY 
PENDING FINAL QUALITY CONTROL.

ISLAND OF HAWAII
MOUNTAIN VIEW              : 51.53
WAIAKEA UKA                : 49.10
PIIHONUA                   : 47.48 
SADDLE QUARRY (USGS)       : 47.20 
WAIAKEA EXPERIMENT STATION : 43.99
PAHOA                      : 37.28
GLENWOOD                   : 35.40 
KULANI NWR                 : 28.52 
KEAUMO                     : 24.35 
KAWAINUI STREAM (USGS)     : 16.03 
PUU MALI                   : 13.70

ISLAND OF MAUI
WEST WAILUAIKI (USGS)      : 24.71
PUU KUKUI (USGS)           : 14.96 
HAIKU                      : 10.34 
HANA AIRPORT               :  8.14

$$

JACOBSON

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