000 ABPZ20 KNHC 202339 TWOEP TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 500 PM PDT WED AUG 20 2014 For the eastern North Pacific...east of 140 degrees west longitude: The National Hurricane Center is issuing advisories on Tropical Storm Karina, located more than a thousand miles east of the Big Island of Hawaii, and on Tropical Storm Lowell, located near 800 miles west-southwest of the southern tip of the Baja California peninsula. A large low pressure system located several hundred miles south of the Gulf of Tehuantepec is moving west-northwestward at about 10 mph. Shower and thunderstorm activity has increased in coverage and organization during the past several hours, and environmental conditions are becoming more conducive for a tropical depression to form during the next couple of days. * Formation chance through 48 hours...high...70 percent. * Formation chance through 5 days...high...80 percent. $$ Forecaster Stewart