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AMPIL Current Status

Current Wind Speed 55 knots / 63 MPH

Max Predicted Wind Speed 55 knots / 63 MPH at 2024-08-18T06:00:00.000Z

AMPIL Land Hazards

Northwest Pacific Weather Warnings

Taiwan Central Weather Bureau: no warnings
Hong Kong Observatory: no warnings

AMPIL Tracker

AMPIL Satellite Loop

AMPIL Alternate Tracking Map

AMPIL Spaghetti Models

Spaghetti models for AMPIL can be found here:

AMPIL spaghetti models page »

AMPIL Watches and Warnings

TROPICAL STORM AMPIL Tropical Cyclone Update

TROPICAL STORM AMPIL Public Advisory

WTPN33 PGTW 180900
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL STORM 08W (AMPIL) WARNING NR 024//
RMKS/
1. TROPICAL STORM 08W (AMPIL) WARNING NR 024
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   180600Z --- NEAR 40.5N 155.3E
     MOVEMENT PAST SIX HOURS - 070 DEGREES AT 22 KTS
     POSITION ACCURATE TO WITHIN 040 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   BECOMING EXTRATROPICAL
   RADIUS OF 050 KT WINDS - 065 NM NORTHEAST QUADRANT
                            105 NM SOUTHEAST QUADRANT
                            095 NM SOUTHWEST QUADRANT
                            045 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 145 NM NORTHEAST QUADRANT
                            190 NM SOUTHEAST QUADRANT
                            170 NM SOUTHWEST QUADRANT
                            115 NM NORTHWEST QUADRANT
   REPEAT POSIT: 40.5N 155.3E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   181800Z --- 42.7N 160.4E
   MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   EXTRATROPICAL
   RADIUS OF 050 KT WINDS - 075 NM NORTHEAST QUADRANT
                            095 NM SOUTHEAST QUADRANT
                            065 NM SOUTHWEST QUADRANT
                            030 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 200 NM NORTHEAST QUADRANT
                            220 NM SOUTHEAST QUADRANT
                            190 NM SOUTHWEST QUADRANT
                            130 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 055 DEG/ 24 KTS
    ---
   24 HRS, VALID AT:
   190600Z --- 45.4N 165.8E
   MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   EXTRATROPICAL
   RADIUS OF 050 KT WINDS - 080 NM NORTHEAST QUADRANT
                            100 NM SOUTHEAST QUADRANT
                            040 NM SOUTHWEST QUADRANT
                            020 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 210 NM NORTHEAST QUADRANT
                            230 NM SOUTHEAST QUADRANT
                            200 NM SOUTHWEST QUADRANT
                            140 NM NORTHWEST QUADRANT
    ---
REMARKS:
180900Z POSITION NEAR 41.1N 156.6E.
18AUG24. TROPICAL STORM 08W (AMPIL), LOCATED APPROXIMATELY 643 NM
EAST OF MISAWA, JAPAN, HAS TRACKED EAST-NORTHEASTWARD AT 22 KNOTS
OVER THE PAST SIX HOURS. THE CURRENT POSITION IS SITUATED WITHIN A
PARTIALLY EXPOSED LOW-LEVEL CIRCULATION CENTER EVIDENT IN
MULTISPECTRAL SATELLITE IMAGERY. THE INITIAL INTENSITY OF 55 KNOTS IS
CONSISTENT WITH A CONSENSUS OF RECENT SUBJECTIVE DVORAK AND AUTOMATED
INTENSITY ESTIMATES AND SUPPORTED BY PEAK WIND SPEEDS EVIDENT IN A
180140Z OCEANSAT-3 PASS AS WELL AS EARLIER ASCAT DATA. OVER THE PAST
SIX HOURS, 08W HAS MERGED WITH THE MID-LATITUDE WESTERLY FLOW PATTERN
AND IS RAPIDLY UNDERGOING EXTRATROPICAL TRANSITION. THIS TRANSITION IS
EXPECTED TO COMPLETE WITHIN THE NEXT 12 HOURS. ASSOCIATED MAXIMUM
SUSTAINED SURFACE WIND SPEEDS WILL LIKELY REMAIN AT OR ABOVE 50 KNOTS
FOR THE NEXT 24 HOURS DUE TO FAVORABLE BAROCLINIC SUPPORT. 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.
MINIMUM CENTRAL PRESSURE AT 180600Z IS 983 MB. MAXIMUM SIGNIFICANT
WAVE HEIGHT AT 180600Z IS 28 FEET.//
NNNN

Public Advisory not available for this storm.

TROPICAL STORM AMPIL Forecast Discussion

Forecast Discussion not available for this storm.

AMPIL storm path from JTWC

Time	Speed	Location	Status
2024-08-18T06:00:00.000Z	55 knots	40.5, 155.3
2024-08-18T18:00:00.000Z	55 knots	42.7, 160.4
2024-08-19T06:00:00.000Z	50 knots	45.4, 165.8

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