Tropical Storm MOLAVE Advisory Wed Oct 28

MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TYPHOON 21W (MOLAVE) WARNING NR 018//
RMKS/
1. TYPHOON 21W (MOLAVE) WARNING NR 018
   02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   280600Z --- NEAR 15.4N 108.5E
     MOVEMENT PAST SIX HOURS - 290 DEGREES AT 14 KTS
     POSITION ACCURATE TO WITHIN 020 NM
     POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
     SATELLITE AND SYNOPTIC DATA
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 064 KT WINDS - 020 NM NORTHEAST QUADRANT
                            000 NM SOUTHEAST QUADRANT
                            000 NM SOUTHWEST QUADRANT
                            020 NM NORTHWEST QUADRANT
   RADIUS OF 050 KT WINDS - 055 NM NORTHEAST QUADRANT
                            030 NM SOUTHEAST QUADRANT
                            030 NM SOUTHWEST QUADRANT
                            040 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT
                            110 NM SOUTHEAST QUADRANT
                            050 NM SOUTHWEST QUADRANT
                            090 NM NORTHWEST QUADRANT
   REPEAT POSIT: 15.4N 108.5E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   281800Z --- 15.9N 105.8E
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
   RADIUS OF 034 KT WINDS - 100 NM NORTHEAST QUADRANT
                            070 NM SOUTHEAST QUADRANT
                            050 NM SOUTHWEST QUADRANT
                            110 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 280 DEG/ 13 KTS
    ---
   24 HRS, VALID AT:
   290600Z --- 16.4N 103.1E
   MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
    ---
REMARKS:
280900Z POSITION NEAR 15.5N 107.8E.
28OCT20. TYPHOON (TY) 21W (MOLAVE), LOCATED APPROXIMATELY 38 NM
SOUTH-SOUTHEAST OF DA NANG, VIETNAM, HAS TRACKED WEST-NORTHWESTWARD
AT 14 KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL
SATELLITE IMAGERY (MSI) SHOWS THE SYSTEM HAS MADE LANDFALL AND HAS
BEGUN TO  DETERIORATE. THE INITIAL POSITION IS PLACED WITH FAIR
CONFIDENCE BASED ON A REMNANT EYE FEATURE IN THE MSI AND
CORROBORATED BY TRIANGULATION OF SURFACE WIND OBSERVATIONS,
INCLUDING ONE FROM DA NANG AIRPORT. THE INITIAL INTENSITY OF 70KTS
IS EXTRAPOLATED FROM AGENCY DVORAK ESTIMATES PRIOR TO LANDFALL AND
CONSISTENT WITH MINIMUM SEA LEVEL PRESSURE OBSERVATIONS. UPPER
LEVEL ANALYSIS INDICATES INCREASED (30KT+) VERTICAL WIND SHEAR.
THIS, PLUS INTERACTION WITH THE RUGGED TERRAIN WILL RAPIDLY ERODE
THE SYSTEM AS IT DRAGS ACROSS VIETNAM, LAOS, AND INTO THAILAND,
LEADING TO DISSIPATION BY TAU 24. 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. REFER TO TROPICAL
DEPRESSION 22W (TWENTYTWO) WARNINGS (WTPN31 PGTW) FOR SIX-HOURLY
UPDATES.//
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