153  
ACHW70 PHFO 311500  
PSHHFO  
 
POST TROPICAL CYCLONE REPORT...HURRICANE DOUGLAS  
NATIONAL WEATHER SERVICE HONOLULU - HI  
500 AM HST FRI JUL 31 2020  
 
NOTE: THE DATA SHOWN HERE ARE PRELIMINARY...AND SUBJECT TO UPDATES  
AND CORRECTIONS AS APPROPRIATE.  
 
THIS REPORT INCLUDES EVENTS OCCURRING WHEN WATCHES AND/OR WARNINGS  
WERE IN EFFECT...OR WHEN SIGNIFICANT FLOODING ASSOCIATED WITH  
DOUGLAS OR ITS REMNANTS WAS AFFECTING THE AREA.  
 
COUNTIES INCLUDED...HAWAII...MAUI...HONOLULU...KAUAI  
 
A. LOWEST SEA LEVEL PRESSURE/MAXIMUM SUSTAINED WINDS AND PEAK GUSTS  
---------------------------------------------------------------------  
METAR OBSERVATIONS...  
NOTE: ANEMOMETER HEIGHT IS 10 METERS AND WIND AVERAGING IS 2 MINUTES  
---------------------------------------------------------------------  
LOCATION ID MIN DATE/ MAX DATE/ PEAK DATE/  
LAT LON PRES TIME SUST TIME GUST TIME  
DEG DECIMAL (MB) (UTC) (KT) (UTC) (KT) (UTC)  
---------------------------------------------------------------------  
PHNY-LANAI CITY AIRPORT  
20.79 -156.95 1011.5 27/2156 040/031 26/1705 040/039 26/1705  
 
PHOG-KAHULUI AIRPORT  
20.89 -156.44 1010.8 27/0254 030/025 26/1505 030/033 26/1509  
 
PHTO-HILO INTERNATIONAL AIRPORT  
19.72 -155.06 1009.8 26/1453 340/019 26/1355 340/028 26/1353  
 
PHKO-KEAHOLE AIRPORT KONA  
19.74 -156.05 1011.2 26/1353 010/020 26/1525 010/023 26/1515  
 
PHNL-HONOLULU INTERNATIONAL AIRPORT  
21.33 -157.94 1010.5 27/0253 350/018 27/0053 350/025 27/0053  
 
PHLI-LIHUE AIRPORT  
21.98 -159.34 1010.8 27/0953 040/025 26/2115 040/029 26/1939  
 
PHMK-MOLOKAI AIRPORT KAUNAKAKAI  
21.15 -157.10 1011.1 26/2354 350/023 26/2123 350/034 26/2123  
 
PHJR-KALAELOA AIRPORT  
21.31 -158.07 1011.5 27/0140 290/017 27/0450 020/022 26/2250  
 
PHNG-KANEOHE MARINE CORPS AIR STATION  
21.45 -157.77 1008.4 27/0257 040/024 26/2024 040/031 26/2024  
 
PHBK-BARKING SANDS KEHAKA  
22.04 -159.79 1011.5 27/1056 010/025 27/0210 010/033 27/0716  
 
PHHI-WHEELER AIR FORCE BASE  
21.48 -158.03 1009.4 27/0234 340/016 27/0150 330/023 27/0050  
 
REMARKS:  
 
NON-METAR OBSERVATIONS...  
NOTE: ANEMOMETER HEIGHT IN METERS AND WIND AVERAGING PERIOD IN  
MINUTES INDICATED UNDER MAXIMUM SUSTAINED WIND IF KNOWN  
---------------------------------------------------------------------  
LOCATION ID MIN DATE/ MAX DATE/ PEAK DATE/  
LAT LON PRES TIME SUST TIME GUST TIME  
DEG DECIMAL (MB) (UTC) (KT) (UTC) (KT) (UTC)  
---------------------------------------------------------------------  
 
REMARKS:  
 
B. MARINE OBSERVATIONS... NOTE: ANEMOMETER HEIGHT IN METERS  
AND WIND AVERAGING PERIOD IN MINUTES INDICATED UNDER MAXIMUM  
SUSTAINED WIND IF KNOWN  
---------------------------------------------------------------------  
LOCATION ID MIN DATE/ MAX DATE/ PEAK DATE/  
LAT LON PRES TIME SUST TIME GUST TIME  
DEG DECIMAL (MB) (UTC) (KT) (UTC) (KT) (UTC)  
---------------------------------------------------------------------  
51004-SOUTHEAST HAWAII  
17.53 -152.26 1010.6 26/0200 360/019 25/2010 360/021 25/2130  
10  
 
51000-NORTHERN HAWAII-ONE  
23.53 -153.79 1015.8 26/1310 090/029 26/2220 070/033 26/1830  
10  
 
51001-NORTHWESTERN HAWAII-ONE  
24.45 -162.00 1015.1 28/0220 070/037 27/2210 070/043 27/2210  
10  
51101-NORTHWESTERN HAWAII-TWO  
24.36 -162.08 1014.2 28/0310 070/037 27/2200 080/041 27/2240  
10  
 
REMARKS: NOTE THAT THE MAXIMUM SUSTAINED WINDS FOR ALL 4 BUOYS ARE  
CONTINUOUS 10-MIN MEAN WIND SPEEDS.  
 
MAXIMUM SIGNIFICANT WAVE HEIGHT AT BUOYS...  
51004 10 FT 25/1850 UTC  
51000 12 FT 26/2220 UTC  
51001 19 FT 28/0340 UTC  
51101 20 FT 27/2240 UTC  
 
C. STORM TOTAL RAINFALL FROM 0400 UTC JUL 26 UNTIL 0400 UTC JUL 28  
---------------------------------------------------------------------  
CITY/TOWN COUNTY ID RAINFALL  
LAT LON (IN)  
DEG DECIMAL  
---------------------------------------------------------------------  
MOUNT_WAIALEALE KAUAI WLLH1 6.35  
22.10 -159.50  
 
PUU_KUKUI_USGS MAUI PKKH1 5.20  
20.89 -156.59  
 
KILOHANA KAUAI KLOH1 4.21  
22.15 -159.59  
 
KAPAHI KAUAI KPIH1 3.62  
22.10 -159.39  
 
WAIAKOALI_USGS KAUAI WKRH1 3.40  
22.12 -159.32  
 
KAWAINUI_STREAM_USGS HAWAII KWSH1 3.39  
20.10 -155.70  
 
MOHIHI_CROSSING_USGS KAUAI MCRH1 3.14  
22.12 -159.32  
 
WAIALAE KAUAI WLGH1 2.98  
22.09 -159.57  
 
MOLOLAI_1 MAUI MLKH1 2.84  
21.12 -156.95  
 
KAHUA_RANCH HAWAII KASH1 2.93  
20.12 -155.79  
 
PUU_MALI HAWAII PMLH1 2.67  
19.93 -155.44  
 
KAMUELA_UPPER HAWAII KUUH1 2.45  
20.03 -155.67  
 
HONOKAA HAWAII HNKH1 2.34  
20.07 -155.46  
 
WEST_WAILUAIKI_USGS MAUI WWKH1 2.24  
20.82 -156.14  
 
KAHUKU HONOLULU KAHH1 2.18  
21.70 -157.98  
 
PUU_ALII MAUI PAFH1 2.10  
21.14 -156.90  
 
PUKALANI MAUI PUKH1 2.01  
20.84 -156.33  
 
MAKAHA_STREAM HONOLULU MKHH1 1.75  
21.50 -158.18  
 
PUNALUU_PUMP HONOLULU PUNH1 1.53  
21.58 -157.89  
 
KAHUKU_TRAINING_AREA HONOLULU KTAH1 1.46  
21.68 -157.99  
 
WAIANAE_VALLEY HONOLULU WNVH1 1.25  
21.48 -158.16  
 
REMARKS:  
 
D. INLAND FLOODING...  
---------------------------------------------------------------------  
 
---------------------------------------------------------------------  
 
E. MAXIMUM STORM SURGE AND STORM TIDE...  
OFFICIAL TIDE GAUGES NOTED WITH LEADING G  
---------------------------------------------------------------------  
 
COUNTY CITY/TOWN SURGE TIDE DATE/ BEACH  
OR LOCATION (FT) (FT) TIME EROSION  
---------------------------------------------------------------------  
 
F. TORNADOES...  
---------------------------------------------------------------------  
(DIST)CITY/TOWN COUNTY DATE/ EF SCALE  
LAT LON (DEG DECIMAL) TIME(UTC) (IF KNOWN)  
DESCRIPTION  
---------------------------------------------------------------------  
 
G. STORM IMPACTS BY COUNTY...  
---------------------------------------------------------------------  
 
COUNTY DEATHS INJURIES EVACUATIONS  
DESCRIPTION  
---------------------------------------------------------------------  
HONOLULU 0 0 0  
 
PALI TUNNEL CLOSED DUE TO TREE FALLING ACROSS ROAD AT 26/1136 AM HST.  
 
HONOLULU 0 0 0  
 
ENE WINDS 30 G 55 MPH OBSERVED AT THE KUAOKALA (KKRH1) RAWS SITE...  
WHICH IS LOCATED 2 MILES E OF KAENA POINT AT 26/1236 PM HST.  
 
HONOLULU 0 0 0  
 
ROAD CLOSURE IN BOTH DIRECTIONS REPORTED AT 51-272 KAMEHAMEHA HWY IN  
KAAAWA DUE TO STORM DEBRIS ON ROADWAY AT 26/0438 PM HST.  
 

 
 
LEGEND:  
I-INCOMPLETE DATA  
E-ESTIMATED  
 
HOUSTON  
 
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