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610 Day outlooks are issued daily between 3pm
& 4pm Eastern Time. All forecasts issued on weekends are completely
automated while all weekday outlooks are modified by the forecaster. Please refer to the U.S. Prognostic Discussion for an explanation of terms and symbols used on these maps.



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Outlook Maps> 610 Day Outlooks


6 to 10 Day Hawaiian Outlooks

Valid: Dec 17, 2023  Dec 21, 2023 Issued: Dec 11, 2023 


Upper Air Forecast: 500mb Heights (green) & Standardized Anomalies (red & blue)


Surface Forecast: Station Temperature (red) in F and Precipitation (green) in hundreths of an inch with observed 5day mean
SST (dashed black lines), SST anomalies (filled), and winds (arrows)


For Lihue, the forecast is calling for a mean temperature of 73.52F. There is a 16.67% chance of the 5day mean temperature being in the below normal category,
a 40.48% chance of the temperature falling into the near normal category, and a 42.86% chance of the temperature being in the above normal category. The
climatological normal temperature for Lihue is 72.81F and both categorical thresholds are 0.79 degrees F away from the mean.
For precipitation, the ensemble median forecast is for 0.54 inches of rain. There is a 1.2% chance of below normal precipitation, a 52.4% chance of
near normal precipitation, and a 46.4% chance of above normal precipitation for this period.
For Honolulu, the forecast is calling for a mean temperature of 74.65F. There is a 21.43% chance of the 5day mean temperature being in the below normal category,
a 50.00% chance of the temperature falling into the near normal category, and a 28.57% chance of the temperature being in the above normal category. The
climatological normal temperature for Honolulu is 74.17F and both categorical thresholds are 0.65 degrees F away from the mean.
For precipitation, the ensemble median forecast is for 0.17 inches of rain. There is a 7.1% chance of below normal precipitation, a 26.2% chance of
near normal precipitation, and a 66.7% chance of above normal precipitation for this period.
For Kahului, the forecast is calling for a mean temperature of 73.66F. There is a 11.90% chance of the 5day mean temperature being in the below normal category,
a 26.19% chance of the temperature falling into the near normal category, and a 61.90% chance of the temperature being in the above normal category. The
climatological normal temperature for Kahului is 72.81F and both categorical thresholds are 0.63 degrees F away from the mean.
For precipitation, the ensemble median forecast is for 0.16 inches of rain. There is a 1.2% chance of below normal precipitation, a 58.3% chance of
near normal precipitation, and a 40.5% chance of above normal precipitation for this period.
For Hilo, the forecast is calling for a mean temperature of 72.00F. There is a 9.52% chance of the 5day mean temperature being in the below normal category,
a 23.81% chance of the temperature falling into the near normal category, and a 66.67% chance of the temperature being in the above normal category. The
climatological normal temperature for Hilo is 71.47F and both categorical thresholds are 0.49 degrees F away from the mean.
For precipitation, the ensemble median forecast is for 1.55 inches of rain. There is a 2.4% chance of below normal precipitation, a 34.5% chance of
near normal precipitation, and a 63.1% chance of above normal precipitation for this period.

Related Topics:
Prognostic Discussion,
610 day Forecast for the 48 Contiguous States,
Time Series of Surface Forecast Skill,
Model Guidance Used,
8 to 14 Day Hawaiian Outlook,
Our Mission,
Who We Are,
CPC Information,
CPC Web Team 


