Issued: Oct 20, 2014 7:30 PM HST
Tropical storm Ana was located near 20.6°N 164.4°W, or about 335 miles west southwest of Lihue, and 260 miles southeast of French Frigate Shoals at 500 pm HST. Thunderstorms associated with Ana were found within 240 miles from the center from the north through east through southeast quadrants with tops reaching near 43000 feet. For more detailed information on Ana, please see public advisories issued under AWIPS header TCPCP5 and WMO header WTPA35 PHFO.
Ana is spreading dense high clouds as far west as Oahu with cloudy skies also encompassing Kauai and Niihau. Low clouds cover the lower slopes of the Big Island and Maui while the rest of Maui county has partly cloudy skies. The summits of Mauna Kea and Mauna Loa have clear skies with a temperature inversion near 7 thousand feet keeping clouds at bay.
An old frontal boundary lies 200 miles north of Oahu and stretches from the northern circulation of Ana to the east Pacific near 23°N 140°W. The boundary is creating a 200 mile wide band of broken low clouds with embedded towering cumulus with tops to 20 thousand feet. The cloud band is moving slowly south.
A stationary front near the dateline stretches north from 20°N into the north Pacific. Thunderstorms are forming along the front from 30°N 175°W to 20°N and the dateline. Cloud tops are reaching as high as 46 thousand feet.
High pressure centered near 32°N 150°W is pushing scattered low clouds westward at 10 to 20 mph between 140°W and 170°W from 10°N to 30°N. Pockets of showers and overcast skies can also be found moving along within the low level flow.