Drought Information Statement
Issued by NWS Honolulu, HI

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AXHW70 PHFO 041951
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HIC001-003-007-009-052200-

Drought Information Statement
National Weather Service Honolulu HI
951 AM HST Thu May 4 2017

...WET SEASON ENDS WITH DROUGHT EASING IN THE STATE...

SYNOPSIS...

Weather systems during the latter half of April helped end the
Hawaiian Islands wet season with drought conditions still present
but improving. The only remaining drought areas in the state were
on the Big Island where severe drought, or the D2 category on the
U.S. Drought Monitor map, covered portions of the North Kona,
South Kona, and Kau Districts. The rest of the leeward areas on
the Big Island were mostly under moderate drought, or D1 category
conditions. A late season kona low that affected the state at the
end of April may have provided enough rainfall to pull out of the
severe drought category but some time is needed to see if
sufficient regrowth and follow-up rainfall occur. Moderate drought
that covered portions of Maui and Molokai were erased as a result
of the recent rainfall.

SUMMARY OF IMPACTS...

Kauai.
No significant drought impacts reported.

Oahu.
No significant drought impacts reported.

Molokai and Lanai.
No significant drought impacts reported.

Maui.
Over the past month reservoir water levels have increased
considerably which prompted the Maui County Department of Water
Supply to drop the Stage I water shortage condition for Upcountry
residents. Although conditions have improved, the department
continues to urge voluntary conservation, especially with the
arrival of the dry season.

Big Island.
Portions of the leeward Big Island received above average rainfall during
April, especially in the Kona Coffee belt region. However, there
were still reports of dry pastures in the higher elevations above
the coffee belt. Although the recent kona low event brought
rainfall to most of the Big Island it is too soon to tell how much
of an improvement in drought conditions it provided.

CLIMATE SUMMARY...
According to the NOAA Climate Prediction Center, ENSO-neutral
conditions are present in the Pacific Ocean and are expected to
persist through the northern hemisphere spring 2017. There is an
increasing chance for El Nino development by the late summer and
fall 2017.

PRECIPITATION/TEMPERATURE OUTLOOK...
The Long-Lead Hawaiian Islands Outlook issued on April 20 by the
NOAA Climate Prediction Center showed that probabilities favor
above normal precipitation for the west half of the state through
the spring but there is no tilt in the probabilities for the east
half. The probabilities favor above normal temperatures across the
entire state through the summer. The next long-lead outlook will
be issued by the Climate Prediction Center on May 18.

HYDROLOGIC SUMMARY AND OUTLOOK...
Data from the U.S. Geological Survey indicated that most of the
monitored streams from Kauai to Maui had 30-day flow levels in the
near normal range. Most of the monitored streams on the Big Island
had 30-day flow levels in the below normal range. Average flow on
the Big Island should return to more normal levels with the return
of spring time trade wind showers.

NEXT ISSUANCE DATE...
The next Drought Information Statement will be issued on June 16,
2017 or sooner if necessary in response to significant changes in
conditions.

RELATED WEB SITES...
Additional information on current drought conditions may be found
at the following web addresses:

U.S. Drought Monitor: droughtmonitor.unl.edu/
Hawaii Drought Monitor: dlnr.hawaii.gov/drought
USGS Hawaii - Recent Conditions: hi.water.usgs.gov/recent/index.html
Climate Prediction Center long-lead Hawaii outlook:
www.cpc.ncep.noaa.gov/products/predictions/90day/fxhw40.html
Hawaii Drought Impact Reporter: hawaii.droughtreporter.unl.edu/

ACKNOWLEDGMENTS...
Information for this product was compiled from a number of sources
including the county boards and departments of water supply, U.S.
and State of Hawaii agriculture agencies, the U.S. Geological
Survey, and the media.

QUESTIONS OR COMMENTS...
If you have any questions or comments about this drought
information statement...please contact...

Kevin Kodama
National Weather Service
2525 Correa Rd. Suite 250
Honolulu HI  96822
Phone...808-973-5276
Kevin.kodama@noaa.gov

$$


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