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Satellite Interpretation Message

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Issued: Aug 04, 2015 2:00 AM HST

Based on data through 2:00 am Aug 04 2015 HST

As of 100 am HST, tropical storm Guillermo was about 440 miles east of Hilo. Over the past several hours, Guillermo has been moving toward the northwest between 10 and 15 mph. Intense convection has been persisting near, and north of, the system center.

Low cloudiness that had been blanketing most of Maui county and the Big Island last evening has been dissipating, though areas of broken ceilings remain here and there across these isles. Kauai has been seeing broken low clouds from time to time over northern and mauka portions of the island. Oahu appears to be nearly clear as of bulletin time. Low cloud motion is from the northeast to east- northeast at 15 to 20 mph across the aloha state this early morning.

A weak trough north of Oahu and heading steadily west is delivering scattered to broken low clouds to the area north of the isle and Kauai, and the clouds are then sweeping to the southwest over the garden isle and the Kauai channel. Also, low clouds are producing ceilings immediately southeast clockwise through southwest of the Big Island. Skies are predominantly clear to scattered elsewhere over the adjacent coastal waters.

The remnant circulation from former tropical depression Eight-E is about 850 miles southwest of Honolulu and continues to push west. Strong thunderstorms associated with the feature have recently been occurring from 13°N to 14.5°N between 167.5°W and 170°W. Another weak system is near the date line at 180 and is also tracking west. Convection with this system is evident from 11°N to 14°N between 177.5°W and 179°E. And closer to the islands, the trough passing north of Oahu, as discussed above, is inducing showers and isolated tcu/s, and possibly isolated thunderstorms, from 24°N to 28°N between 154.5°W and 159°W.

More showers and thunderstorms are firing along the intertropical convergence zone, south of 07.5°N between 157°W and 175.5°W, and south of 12°N east of 147°W.

Hawaii Infrared Satellite image for 1130 UTC