Issued: Oct 19, 2014 7:30 PM HST
Tropical storm Ana was located near 20.7°N 161.7°W, or about 175 miles west southwest of Lihue, and 250 miles west of Honolulu at 700 pm HST. Numerous thunderstorms associated with Ana were in the area from 20°N to 22°N between 160°W and 162.5°W. The highest tops of the thunderstorms were near 50 thousand feet. For more detailed information on Ana, please see public advisories issued under AWIPS header TCPCP5 and WMO header WTPA35 PHFO.
The cirrus shield from the outflow of Ana was streaming north through east over the island chain. These high clouds were obscuring the low clouds across the islands. Radar reflectivity data indicated a large swath of stratiform rain with a few embedded thunderstorms were affecting the islands west of Molokai and Lanai.
According to loops of water vapor imagery, the axis of a middle-level trough extended from near 32°N 146°W to 24°N 153, or about 380 miles north northeast of Hilo. This trough axis has been propagating eastward at about 20 mph during the past 6 hours. A middle-level anticyclone was located near 31°N 164°W, or about 700 miles north northwest of Lihue. This feature has been moving toward the southeast at 10 to 15 mph during the past 6 hours. Another middle-level anticyclone was near 20°N 149°W, or about 430 miles east of Hilo. This feature was moving slowly toward the south.