Renombrada. Nace
MA-ON 40Kt-994 mb., que va mejorando con el paso de las horas, según el parte intermedio del JTWC y las imágenes del SAT.
![Cool 8)](https://foro.tiempo.com/Smileys/default/cool.gif)
REMARKS:
120900Z POSITION NEAR 18.9N 155.0E.
TROPICAL STORM (TS) 08W (MA-ON), LOCATED APPROXIMATELY 850 NM
EAST-SOUTHEAST OF IWO TO, JAPAN, HAS TRACKED WEST-NORTHWESTWARD AT
04 KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE
IMAGERY (MSI) SHOWS MILD IMPROVEMENT IN ORGANIZATION AROUND WHAT
REMAINS A BROAD AND ILL-DEFINED LOW LEVEL CIRCULATION CENTER (LLCC).
ANIMATED WATER VAPOR IMAGERY REVEALS A TROPICAL UPPER TROPOSHPERIC
TROUGH (TUTT) ALONG THE 21ST LATITUDE IMPINGING ON POLEWARD OUTFLOW.
TROUGHING TO THE SOUTHWEST OF THE SYSTEM IS ALSO SUPPRESSING
OUTFLOW. AN 112337Z AMSUB IMAGE REVEALS DRY AIR TO THE NORTHWEST OF
THE LLCC, WHILE AN 112201Z SSMIS 37GHZ PASS SHOWS A LACK OF
CONVECTIVE BANDING OVER THE SOUTHWEST QUADRANT AND GENERALLY DIFFUSE
ORGANIZATION. THE SYSTEM'S ENERGY REMAINS DISPERSED OVER A BROAD
REGION, WITH BANDING OVER THE SOUTHEASTERN QUADRANT EXTENDING WELL
AWAY FROM THE CORE. THE CURRENT FIX IS BASED ON MSI AND THERE IS
GOOD AGREEMENT WITH THE RJTD FIX. THERE IS ALSO EXACT AGREEMENT
BETWEEN AGENCIES ON INTENSITY. VERTICAL WIND SHEAR IS CURRENTLY LESS
THAN 10 KNOTS BUT RISES STEADILY ALONG TRACK. POLEWARD OUTFLOW WILL
VARY WIDELY DURING THE NEXT 72 HOURS AS TS 08W INTERACTS WITH THE
TUTT. FOR THE MAJORITY OF THE TIME, HOWEVER, THE TUTT WILL ACT AS A
SUPPRESSING MECHANISM. SEA SURFACE TEMPERATURES ALONG TRACK AVERAGE
31 DEGREES. THE STEERING MECHANISM FOR TS 08W IS AN ANTICYLONE
CENTERED JUST EAST OF TOKYO, WHICH WILL FORCE THE SYSTEM ALONG A
WEST-NORTHWESTWARD COURSE THROUGH TAU 72. IN THE EXTENDED RANGE,
MODEL GUIDANCE SHOWS GREATER TRACK UNCERTAINTY AS THEY STRUGGLE TO
RESOLVE POSSIBLE DIRECT CYCLONE INTERACTION WITH A WEAK CIRCULATION
CURRENTLY OVER THE PHILIPPINE SEA SIMULTANEOUS WITH A SOUTHEASTWARD
RE-ORIENTATION AND WEAKENING OF THE SUB-TROPICAL RIDGE. MAXIMUM
SIGNIFICANT WAVE HEIGHT AT 120600Z IS 11 FEET. NEXT WARNINGS AT
121500Z, 122100Z, 130300Z AND 130900Z.//