Hawaiian Islands Satellite Interpretation Message
Sat, 25 Dec 2010 12:30:00 -0600
Based on data through 1800 UTC December 25 2010.
Clouds were scattered to broken over the Kauai mountains, the east end of Molokai and most of Lanai. Broken clouds were also noticed over the south-facing slopes of the west Maui mountains and mount Haleakala, and the south coast of the Big Island. Otherwise, skies were mostly clear.
Clouds were scattered to broken over water within 100 miles of the islands. Cloud tops ranged from 6 to 11 thousand feet. The clouds were moving to the north-northwest at 10 mph.
Water vapor imagery, which displays moisture above 24 thousand feet, pinpointed an upper level low centered about 375 miles south of the big island's South Point. Between the center of the low and the Big Island was an area of isolated thunderstorms and towering cumuli. Most of the clouds were from 16°N to 18°N between 154°W and 158°W. The clouds were moving counterclockwise at 10 mph around the low. Thunderstorm tops were near 34 thousand feet.
Broken to overcast clouds with scattered embedded thunderstorms were also detected east-southeast of the upper low in an area from 07°N to 13°N between 140°W and 155°W. High clouds southeast of the Big Island were within 250 miles south of a jetstream running from 14°N 155°W to 19°N 152°W to 17°N 140°W and beyond, broken to overcast clouds with isolated embedded thunderstorms were located north and west of the islands. Most of the clouds were in an area from 30°N 150°W to 24°N 160°W to 17°N 170°W to 25°N 170°W to 30°N 164°W. The clouds, which were associated with a cold front, extended far north of 30°N between 150°W and 165°W. The clouds were moving to the northeast at about 20 mph while the area was translating slowly to the southeast toward the islands. Maximum thunderstorm tops were estimated to be near 45 thousand feet.
A second weaker cold front was located far to the northwest along a line through 30°N 175°W to 27°N 180°W and off to the southwest. Isolated small thunderstorms located within 120 miles southeast of the front had tops near 28 thousand feet. The cold front was moving to the southeast at 10 to 15 mph.
CRAIG
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