Advisories

000
WTPA32 PHFO 160253
TCPCP2
 
BULLETIN
Hurricane Lala Advisory Number  15
NWS Central Pacific Hurricane Center Honolulu HI   CP012026
Issued by NWS National Hurricane Center Miami FL
500 PM HST Sat Aug 15 2026
 
...LALA'S EYEWALL BRUSHING THE SOUTHERN PORTION OF THE BIG ISLAND...
...DAMAGING WINDS AND HEAVY RAIN WILL PERSIST ACROSS THE BIG
ISLAND THROUGH TONIGHT AND SPREAD WESTWARD ACROSS THE SMALLER
ISLANDS ON SUNDAY...
 
 
SUMMARY OF 500 PM HST...0300 UTC...INFORMATION
----------------------------------------------
LOCATION...18.7N 156.0W
ABOUT 30 MI...45 KM SW OF SOUTH POINT HAWAII
ABOUT 220 MI...350 KM SE OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H
PRESENT MOVEMENT...NW OR 320 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...985 MB...29.09 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
 
None.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
 
A Hurricane Warning is in effect for...
* Hawaii County
 
A Tropical Storm Warning is in effect for...
* Maui County, including the islands of Maui, Lanai, Molokai and
Kahoolawe
* Oahu
* Kauai County, including the islands of Kauai and Niihau
 
A Hurricane Warning means that hurricane conditions are expected
somewhere within the warning area, this case within the next 12
hours. Preparations to protect life and property should now be
complete.
 
A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area within 36 hours.
 
Interests in the Papahanaumokuakea Marine National Monument should
monitor the progress of Lala.
 
For storm information specific to your area, including possible
inland watches and warnings, please monitor products issued by your
local National Weather Service forecast office.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 500 PM HST (0300 UTC), the center of Hurricane Lala was located
near latitude 18.7 North, longitude 156.0 West. Lala is moving
toward the northwest near 9 mph (15 km/h). Some erratic motion
remains possible into tonight while Lala interacts with the Big
Island of Hawaii. After passing the Big Island, Lala is expected to
turn westward on Sunday with an increase in forward speed, as the
core of the storm remains south of the smaller main Hawaiian Islands
and the easternmost Northwestern Hawaiian Islands through the early
part of next week.
 
Maximum sustained winds have increased to near 80 mph (130 km/h) 
with higher gusts. The intensity of Lala is forecast to remain 
steady over the next few hours as the hurricane remains near South 
Point of the Big Island. Thereafter, steady weakening is expected 
later tonight into Sunday as Lala passes south of the smaller main 
Hawaiian Islands. Some restrengthening is possible early next week.
 
Hurricane-force winds extend outward up to 45 miles (75 km) from the
center and tropical-storm-force winds extend outward up to 175 miles
(280 km).
 
The estimated minimum central pressure is 985 mb (29.09 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
Key messages for Lala can be found in the Tropical Cyclone
Discussion under AWIPS header HFOTCDCP2 and WMO header WTPA42 PHFO.
 
WIND: Hurricane conditions will persist on the Big Island of Hawaii
into tonight, with the strongest winds expected in areas of higher
terrain. Tropical storm conditions will continue to spread westward
across portions of the smaller islands from Maui County and Oahu
later today through tonight, then to Kauai County on Sunday. Wind
speeds atop mountains and on the windward and leeward slopes are
often up to 30 percent stronger than the near-surface winds
indicated in this advisory, and in some elevated locations could be
even greater.
 
RAINFALL: Lala is expected to produce rainfall totals of 10 to 20
inches across the Big Island, with maximum totals of 25 inches
possible. An additional 8 to 12 inches is possible across windward
Maui, with totals of 4 to 6 inches, and maximum amounts of 8 inches,
across the remainder of the island chain. This rainfall will produce
life-threatening flooding and mudslides, especially in areas of
steep terrain.
 
For a complete depiction of forecast rainfall associated with Lala,
please see the National Weather Service Storm Total Rainfall Graphic
available at hurricanes.gov/graphics_cp2.shtml?rainqpf
 
For a list of rainfall observations and wind reports associated with
Lala, see the companion storm summary at WBCSCCNS2 with the WMO
header ACUS42 KWBC or at the following link:
www.wpc.ncep.noaa.gov/discussions/nfdscc2.html.
 
STORM SURGE: The combination of a dangerous storm surge and the
tide will cause normally dry areas near the coast to be flooded by
rising waters moving inland from the shoreline. The water could
reach the following heights above ground somewhere in the indicated
areas if the peak surge occurs at the time of high tide...
 
Hawaii...1 to 3 ft
 
The deepest water will occur along the immediate coast, where the
surge will be accompanied by large and dangerous waves.
Surge-related flooding depends on the relative timing of the surge
and the tidal cycle, and can vary greatly over short distances. For
information specific to your area, please see products issued by
your local National Weather Service forecast office.
 
For a complete depiction of areas at risk of storm surge
inundation, please see the National Weather Service Peak
Storm Surge Graphic, available at
hurricanes.gov/graphics_cp2.shtml?peakSurge.
 
SURF: Swells generated by Lala will continue to build westward
across the exposed windward waters into Sunday. Swells will also
build along exposed southern shores as Lala passes south of the
islands. These swells are likely to cause life-threatening surf and
rip current conditions. Please consult products from your local
weather office.
 
 
NEXT ADVISORY
-------------
Next intermediate advisory at 800 PM HST.
Next complete advisory at 1100 PM HST.
 
$$
Forecaster Gibbs