Hurricane and Tropical Cyclones


Tropical Weather Discussion


abpw10 pgtw 180600
msgid/genadmin/joint typhoon wrncen Pearl Harbor hi//
subj/significant tropical weather advisory for the western and
/South Pacific oceans/180600z-190600zapr2014//
1. Western North Pacific area (180 to Malay Peninsula):
   a. Tropical cyclone summary: none.
   B. Tropical disturbance summary:
      (1) the area of convection previously located near 10.2n 
148.8e, is now located near 10.3n 146.2e, approximately 205 nm south-
southeast of andersen AFB, Guam. Animated multispectral satellite 
imagery (msi) shows a devolving low level circulation center (LLCC) 
with isolated and flaring convection along the western and southern 
flanks. An 180350z AMSU-b microwave image shows the limited 
convection has almost completely dissipated while the system has 
overall broadened. Upper level analysis indicates a poor environment 
characterized by moderate (15 to 20 knot) vertical wind shear and 
weakly diffluent easterly outflow. Maximum sustained surface winds 
are estimated at 10 to 15 knots. Minimum sea level pressure is 
estimated to be near 1005 mb. Due to the devolving structure, the 
potential for the development of a significant tropical cyclone 
within the next 24 hours is downgraded to low.
      (2) no other suspect areas.
2. South Pacific area (west coast of South America to 135 east):
   a. Tropical cyclone summary: none.
   B. Tropical disturbance summary: none.//

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