Hurricane and Tropical Cyclones


Tropical Weather Discussion


abpw10 pgtw 231500
msgid/genadmin/joint typhoon wrncen Pearl Harbor hi//
subj/significant tropical weather advisory for the western and
/South Pacific oceans reissued/231500z-240600zjul2014//
ref/a/msg/joint typhoon wrncen Pearl Harbor hi/231351zjul2014//
ampn/ref a is a tropical cyclone final warning.//
1. Western North Pacific area (180 to Malay Peninsula):
   a. Tropical cyclone summary:
      (1) at 231200z, tropical storm 10w (matmo) was located near 
25.8n 119.0e, approximately 142 nm west-northwest of Taipei, Taiwan, 
and had tracked northwestward at 10 knots over the past six hours. 
Maximum sustained surface winds were estimated at 50 knots gusting 
to 65 knots. See ref a (wtpn31 pgtw 231500) for the final warning on 
this system.
      (2) no other tropical cyclones.
   B. Tropical disturbance summary:
      (1) the area of convection previously located near 13.5n 
136.0e, is now located near 11.4n 134.6e, approximately 240 nm north 
of Koror, Palau. Animated enhanced infrared satellite imagery 
depicts a highly elongated and poorly organized low level 
circulation center with flaring and disorganized convection. Upper 
level analysis reveals an unfavorable environment as strong 
northeasterly vertical wind shear (20 to 30 knots) continues to 
hamper development. Model guidance continues to back off on the 
timing of the development for this system until past tau 48. Maximum 
sustained surface winds are estimated at 15 to 20 knots. Minimum sea 
level pressure is estimated to be near 1008 mb. The potential for 
the development of a significant tropical cyclone within the next 24 
hours remains 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.
3. Justification for reissue: updated para 1.A.(1) to reflect final 
warning for ts 10w and updated para 1.B.(1).//

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Dr. Jeff Masters' Blog
By Dr. Jeff Masters, 1:17 PM EDT on July 23, 2014
Director of Meteorology, Weather Underground
(By Steve Gregory - Substituting for Dr. Masters who is on Vacation.)

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