Satellite Service Division of NOAA currently has two numbered systems in the Eastern Pacific.
90E near 105W and 91E near 110W.

90E

91E

SPECIAL TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
1040 AM PDT SAT MAY 12 2012

FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

AN AREA OF DISTURBED WEATHER HAS DEVELOPED ABOUT 550 MILES
SOUTH-SOUTHWEST OF ACAPULCO MEXICO. UPPER-LEVEL WINDS APPEAR
CONDUCIVE FOR ADDITIONAL DEVELOPMENT...AND THE SYSTEM COULD BECOME
A TROPICAL DEPRESSION DURING THE NEXT DAY OR TWO AS IT MOVES SLOWLY
NORTHWESTWARD. THIS SYSTEM HAS A MEDIUM CHANCE...40 PERCENT...OF
BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. ADDITIONAL
SPECIAL TROPICAL WEATHER OUTLOOKS WILL BE ISSUED ON THIS SYSTEM
LATER TODAY OR SUNDAY...IF NECESSARY.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE
NEXT 48 HOURS.

$$
FORECASTER BEVEN