Record Report
Issued by NWS Honolulu, HI

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SXHW70 PHFO 252332
RERHFO

RECORD EVENT REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
132 PM HST WED APR 25 2018

...POSSIBLE NEW NATIONAL RECORD 24-HOUR RAINFALL FROM KAUAI...

PRELIMINARY DATA DOWNLOADED FROM A REMOTE RAIN GAGE IN NORTH KAUAI
INDICATE THAT RAINFALL DURING THE FLASH FLOOD EVENT ON APRIL
14-15, 2018 BROKE THE U.S. 24-HOUR RAINFALL RECORD. THE RAIN
GAGE, LOCATED IN WAIPA ABOUT ONE MILE WEST OF HANALEI, RECORDED
49.69 INCHES OF RAINFALL DURING THE 24-HOUR PERIOD ENDING AT 12:45
PM HST APRIL 15. THIS TOTAL, IF CERTIFIED, WILL BREAK THE CURRENT
U.S. 24-HOUR RECORD OF 43 INCHES AT ALVIN, TX ON JULY 25-26,
1979, AND THE STATE OF HAWAII RECORD OF 38 INCHES AT KILAUEA
(KAUAI) ON JANUARY 24-25, 1956.

THE NATIONAL CLIMATIC EXTREMES COMMITTEE WILL BE CONVENED TO
REVIEW THE DATA AND GAGE SITE SPECIFICS. THE COMMITTEE WILL
DETERMINE DATA VALIDITY AND POTENTIALLY CERTIFY THE REPORT AS A
NEW NATIONAL RECORD. IT IS NOT KNOWN AT THIS TIME HOW LONG THE
CERTIFICATION PROCESS WILL TAKE.

THE RAIN GAGE IS OPERATED BY THE WAIPA FOUNDATION WHICH IS A NON-
PROFIT ORGANIZATION. DATA FROM THE GAGE ARE NOT TELEMETERED FOR
REAL-TIME DISPLAY AND ARE USED FOR WATERSHED MODELING AND
MONITORING STUDIES.

$$

KODAMA


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