The impact of climate change in hawaii

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The impact of climate change in hawaii

The outstanding features of Hawaii's climate include mild temperatures throughout the year, moderate humidity, persistence of northeasterly trade winds, significant differences in rainfall within short distances, and infrequent severe storms.

Planning for Climate Change in Hawaii

For most of Hawaii, there are only two seasons: Latitude Hawaii is in the tropics, where the length of day and temperature are relatively uniform throughout the year. Uniform day lengths result in small seasonal variations in incoming solar radiation and, therefore, temperature.

On a clear winter day, level ground in Hawaii receives at least 67 percent as much solar energy between sunrise and sunset as it does on a clear summer day. By comparison the percentages are only 33 and 20 at latitudes 40 and 50 degrees respectively.

The ocean supplies moisture to the air and acts as a giant thermostat, since its own temperature varies little compared with The impact of climate change in hawaii of large land masses. The seasonal range of sea surface temperatures near Hawaii is only about 6 degrees, from a low of 73 or 74 degrees between late February and March to a high near 80 degrees in late September or early October.

The variation from night to day is one or two degrees.

Economic Currents

Hawaii is more than 2, miles from the nearest continental land mass. Therefore, air that reaches it, regardless of source, spends enough time over the ocean to moderate its initial harsher properties. Arctic air that reaches Hawaii, during the winter, may have a temperature increase by as much as degrees during its passage over the waters of the North Pacific.

Hawaii's warmest months are not June and July, but August and September. Its coolest months, are not December and January, but February and March, reflecting the seasonal lag in the oceans's temperature. Storm Tracks and the Pacific Anticyclone.

NOAA's Coral Reef Conservation Program (CRCP) - Impacts from Climate Change

These tracks, the paths taken by eastward migrating high and low pressure areas, generally are between 35 degrees north and 65 degrees north, the latitudes of changeable weather.

To the south, and particularly over the subtropical oceans, we often find an atmospheric eddy, that rarely changes its position. Sometimes it is called "nearly stationary" and lasts long enough to be called "semipermanent. Weather in their vicinity is usually stable.

The impact of climate change in hawaii

One of these, the Pacific High or anticyclone, is usually northeast of Hawaii. The air from it moves past the islands as northeasterly trade winds. Its persistence directly reflects that of the Pacific High from which it comes.

The storm tracks and the Pacific High follow the seasonal shift of the sun, moving north in summer and south in winter. The high tends to be stronger and more persistent in summer than in winter. Therefore, in winter, the trade winds may be interrupted for days or weeks by the invasion of the fronts or migratory cyclones from the northern latitudes and by Kona storms forming near the islands.

Therefore, winter in Hawaii is the season of more frequent clouds and rainstorms, as well as southerly and westerly winds. Terrain Hawaii's mountains significantly influence every aspect of its weather and climate.

The endless variety of peaks, valleys, ridges, and broad slopes, gives Hawaii a climate that is different from the surrounding ocean, as well as a climatic variety within the islands.

These climatic differences would not exist if the islands were flat and the same size. The mountains obstruct, deflect, and accelerate the flow of air. When warm, moist air rises over windward coasts and slopes, clouds and rainfall are much greater than over the open sea.

Leeward areas, where the air descends, tend to be sunny and dry. In places sheltered by terrain, local air movements are significantly different from winds in exposed localities. Since temperature decreases with elevation by about 3 degrees per thousand feet, Hawaii's mountains, which extend from sea level to nearly 14, feet, contain a climatic range from the tropic to the sub-Arctic.

The climate of Hawaii can be defined by what it has and by what it does not have.MEDIA RELEASE (Honolulu) – The Hawai‘i Climate Change Mitigation and Adaptation Commission (Climate Commission) at its regular quarterly meeting yesterday adopted a series of recommendations.

Hawaii is one of few states in the nation to adopt a statewide climate adaptation policy for addressing the impacts of climate change (Press Release). Act is codified as HRS § Because the policy is an amendment to the Hawaii State Planning Act, all county and state actions must consider the policy in its land use, capital.

In addition to national data, the Third National Climate Assessment has chapters that explore how Among the National Climate Assessment’s findings for Hawaii: Climate change will affect nearly every will also see profound impact.

pursue a study to assess the impact of climate change on agriculture and food security in the Pacific Islands region. This study was undertaken in accordance with the above recommendations of the 6 th and 7 th Meetings of the Ministers of Agriculture from the Pacific Islands.

A desk review of existing. Sam Lemmo, the administrator of the DLNR Office of Conservation and Coastal Lands and Co-chair of the ICAC said, “The impacts of climate change are far reaching and will have dramatic effects on Hawaii’s economy, health, environment and way of life.

Page 3 H.B. NO. 2/03 1 consider the impact of activities on climate change here as 2 well.

The impact of climate change in hawaii

3 The purpose of this Act is to prevent the adverse effects 4 of global warming and climate change in Hawaii .

Overview of Hawaii's Climate Change Preparations - Georgetown Climate Center