Pacific-NW: TS Dolphin 15
From
Dumas Walker@21:1/175 to
All on Thu Sep 24 17:37:00 2020
WTPN31 PGTW 240300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL STORM 14W (DOLPHIN) WARNING NR 015//
RMKS/
1. TROPICAL STORM 14W (DOLPHIN) WARNING NR 015
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
240000Z --- NEAR 32.9N 141.7E
MOVEMENT PAST SIX HOURS - 180 DEGREES AT 01 KTS
POSITION ACCURATE TO WITHIN 015 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE AND SYNOPTIC DATA
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
EXTRATROPICAL
RADIUS OF 034 KT WINDS - 125 NM NORTHEAST QUADRANT
105 NM SOUTHEAST QUADRANT
135 NM SOUTHWEST QUADRANT
100 NM NORTHWEST QUADRANT
REPEAT POSIT: 32.9N 141.7E
---
FORECASTS:
12 HRS, VALID AT:
241200Z --- 33.7N 142.2E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
EXTRATROPICAL
VECTOR TO 24 HR POSIT: 005 DEG/ 10 KTS
---
24 HRS, VALID AT:
250000Z --- 35.7N 142.5E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
EXTRATROPICAL
---
REMARKS:
240300Z POSITION NEAR 33.1N 141.8E.
24SEP20. TROPICAL STORM 14W (DOLPHIN), LOCATED APPROXIMATELY 175 NM
SOUTHEAST OF YOKOSUKA, JAPAN, HAS TRACKED SOUTHWARD AT 01 KNOT OVER
THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY SHOWS
THE RAGGED LOW LEVEL CIRCULATION HAS BECOME QUASI-STATIONARY AND
FULLY EXPOSED AS THE RAPIDLY DECAYING CENTRAL CONVECTION SHEARED
140NM+ EAST-NORTHEASTWARD. THE INITIAL POSITION IS PLACED WITH HIGH
CONFIDENCE BASED ON THE ABOVE ANIMATION. ANALYSIS INDICATES THAT TS
14W IS NOW FULLY EMBEDDED IN THE BAROCLINIC ZONE AND HAS BECOME
EXTRA-TROPICAL. THE REMNANT STORM-FORCE COLD-CORE LOW WILL DRIFT
SLOWLY POLEWARD AND DEEPER INTO THE COLD POLAR AIR MASS. THERE IS
ALSO A DISTINCT POSSIBILITY THAT THE CYCLONE WILL REMAIN QUASI-
STATIONARY AND DISSIPATE. THIS IS THE FINAL WARNING ON THIS SYSTEM
BY THE JOINT TYPHOON WRNCEN PEARL HARBOR HI. THE SYSTEM WILL BE
CLOSELY MONITORED FOR SIGNS OF REGENERATION. MAXIMUM SIGNIFICANT
WAVE HEIGHT AT 240000Z IS 15 FEET.//
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