巴哈马附近二级飓风“德尔塔”(81L.Delta) - NHC:95KT

ygsj24

WTNT02 KNGU 260900   
SUBJ: HURRICANE DELTA (81L) WARNING NR 029
EXERCISE EXERCISE EXERCISE   
1. HURRICANE DELTA (81L) WARNING NR 029   
   02 ACTIVE TROPICAL CYCLONES IN ATLANTIC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   260600Z --- NEAR 29.2N 79.2W
     MOVEMENT PAST SIX HOURS - 360 DEGREES AT 07 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT
                            020 NM SOUTHEAST QUADRANT
                            020 NM SOUTHWEST QUADRANT
                            030 NM NORTHWEST QUADRANT
   RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT
                            030 NM SOUTHEAST QUADRANT
                            025 NM SOUTHWEST QUADRANT
                            040 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT
                            090 NM SOUTHEAST QUADRANT
                            060 NM SOUTHWEST QUADRANT
                            100 NM NORTHWEST QUADRANT
   REPEAT POSIT: 29.2N 79.2W
    ---
   FORECASTS:
   12 HRS, VALID AT:
   261800Z --- 30.4N 77.1W
   MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT
                            030 NM SOUTHEAST QUADRANT
                            020 NM SOUTHWEST QUADRANT
                            030 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT
                            100 NM SOUTHEAST QUADRANT
                            080 NM SOUTHWEST QUADRANT
                            100 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 060 DEG/ 08 KTS
    ---
   24 HRS, VALID AT:
   270600Z --- 31.2N 75.4W
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   POST-TROP/EXTRATROP
    ---
REMARKS:
260900Z POSITION NEAR 29.5N 78.7W.
26APR25. HURRICANE DELTA (81L), LOCATED APPROXIMATELY 111 NM
EAST-NORTHEAST OF NSA_ORLANDO_FL, HAS TRACKED NORTH AT 07
KNOTS OVER THE PAST SIX HOURS.
12 FT SEAS: 120NM NE, 090NM SE, 080NM SW, 100NM NW.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 260900Z IS 20 FEET.
NEXT WARNINGS AT 261500Z, 262100Z AND 270300Z.
REFER TO HURRICANE CHARLIE (80L) WARNINGS (WTNT01 KNGU)
FOR SIX-HOURLY UPDATES.
EXERCISE EXERCISE EXERCISE.//
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ygsj24

WTNT02 KNGU 261500   
SUBJ: TROPICAL STORM DELTA (81L) WARNING NR 030   
EXERCISE EXERCISE EXERCISE
1. TROPICAL STORM DELTA (81L) WARNING NR 030   
   DOWNGRADED FROM HURRICANE 81L
   02 ACTIVE TROPICAL CYCLONES IN ATLANTIC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   261200Z --- NEAR 30.1N 78.2W
     MOVEMENT PAST SIX HOURS - 040 DEGREES AT 18 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 064 KT WINDS - 020 NM NORTHEAST QUADRANT
                            010 NM SOUTHEAST QUADRANT
                            010 NM SOUTHWEST QUADRANT
                            020 NM NORTHWEST QUADRANT
   RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT
                            030 NM SOUTHEAST QUADRANT
                            020 NM SOUTHWEST QUADRANT
                            030 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT
                            100 NM SOUTHEAST QUADRANT
                            090 NM SOUTHWEST QUADRANT
                            110 NM NORTHWEST QUADRANT
   REPEAT POSIT: 30.1N 78.2W
    ---
   FORECASTS:
   12 HRS, VALID AT:
   270000Z --- 31.1N 76.2W
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   POST-TROP/EXTRATROP
   RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT
                            050 NM SOUTHEAST QUADRANT
                            030 NM SOUTHWEST QUADRANT
                            070 NM NORTHWEST QUADRANT
    ---
REMARKS:
261500Z POSITION NEAR 30.3N 77.5W.
26APR25. TROPICAL STORM DELTA (81L), LOCATED APPROXIMATELY 167 NM EAST
OF NAVSTA_MAYPORT_FL, HAS TRACKED NORTHEAST AT 18 KNOTS OVER
THE PAST SIX HOURS.
12 FT SEAS: 120NM NE, 090NM SE, 080NM SW, 100NM NW.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 261500Z IS 17 FEET.
NEXT WARNINGS AT 262100Z.
REFER TO TROPICAL STORM CHARLIE (80L) WARNINGS (WTNT01 KNGU)
FOR SIX-HOURLY UPDATES.
EXERCISE EXERCISE EXERCISE.//
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ygsj24

WTNT02 KNGU 262100   
SUBJ: TROPICAL STORM DELTA (81L) WARNING NR 031
EXERCISE EXERCISE EXERCISE   
1. TROPICAL STORM DELTA (81L) WARNING NR 031   
   02 ACTIVE TROPICAL CYCLONES IN ATLANTIC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   261800Z --- NEAR 30.4N 77.1W
     MOVEMENT PAST SIX HOURS - 060 DEGREES AT 12 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT
                            030 NM SOUTHEAST QUADRANT
                            020 NM SOUTHWEST QUADRANT
                            030 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT
                            100 NM SOUTHEAST QUADRANT
                            080 NM SOUTHWEST QUADRANT
                            100 NM NORTHWEST QUADRANT
   REPEAT POSIT: 30.4N 77.1W
    ---
   FORECASTS:
   12 HRS, VALID AT:
   270600Z --- 31.2N 75.4W
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
    ---
REMARKS:
262100Z POSITION NEAR 30.5N 76.5W.
26APR25. TROPICAL STORM DELTA (81L), LOCATED APPROXIMATELY 221 NM
SOUTH-SOUTHEAST OF MOTSU_SUNNY_POINT_NC, HAS TRACKED EAST-
NORTHEAST AT 12 KNOTS OVER THE PAST SIX HOURS.
12 FT SEAS: 080NM NE, 050NM SE, 045NM SW, 070NM NW.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 262100Z IS 16 FEET.
NEXT WARNINGS AT 270300Z.
REFER TO TROPICAL STORM CHARLIE (80L) WARNINGS (WTNT01 KNGU)
FOR SIX-HOURLY UPDATES.
EXERCISE EXERCISE EXERCISE.//
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pocketbox

WTNT02 KNGU 270300   
SUBJ: TROPICAL STORM DELTA (81L) WARNING NR 032
EXERCISE EXERCISE EXERCISE   
1. TROPICAL STORM DELTA (81L) WARNING NR 032   
   02 ACTIVE TROPICAL CYCLONES IN ATLANTIC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   270000Z --- NEAR 31.1N 76.2W
     MOVEMENT PAST SIX HOURS - 050 DEGREES AT 10 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT
                            050 NM SOUTHEAST QUADRANT
                            030 NM SOUTHWEST QUADRANT
                            070 NM NORTHWEST QUADRANT
   REPEAT POSIT: 31.1N 76.2W
    ---
   FORECASTS:
   12 HRS, VALID AT:
   271200Z --- 31.3N 74.1W
   MAX SUSTAINED WINDS - 025 KT, GUSTS 030 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
    ---
REMARKS:
270300Z POSITION NEAR 31.1N 75.7W.
27APR25. TROPICAL STORM DELTA (81L), LOCATED APPROXIMATELY 196 NM
SOUTH-SOUTHEAST OF MOTSU_SUNNY_POINT_NC, HAS TRACKED
NORTHEASTWARD AT 10 KNOTS OVER THE PAST SIX HOURS.
12 FT SEAS: 070NM NE, 040NM SE, 010NM SW, 060NM NW.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 270000Z IS 13 FEET.
NEXT WARNINGS AT 270900Z.
REFER TO TROPICAL DEPRESSION 80L (CHARLIE) WARNINGS (WTNT01 KNGU)
FOR SIX-HOURLY UPDATES.
EXERCISE EXERCISE EXERCISE.//
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pocketbox

WTNT02 KNGU 270900   
SUBJ: TROPICAL DEPRESSION DELTA (81L) WARNING NR 033
EXERCISE EXERCISE EXERCISE   
1. TROPICAL DEPRESSION DELTA (81L) WARNING NR 033   
   DOWNGRADED FROM TROPICAL STORM 81L
   02 ACTIVE TROPICAL CYCLONES IN ATLANTIC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   270600Z --- NEAR 31.2N 75.4W
     MOVEMENT PAST SIX HOURS - 080 DEGREES AT 07 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   REPEAT POSIT: 31.2N 75.4W
    ---
   FORECASTS:
   12 HRS, VALID AT:
   271800Z --- 31.0N 72.5W
   MAX SUSTAINED WINDS - 020 KT, GUSTS 025 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   POST-TROP/EXTRATROP
    ---
REMARKS:
270900Z POSITION NEAR 31.1N 74.7W.
27APR25. TROPICAL DEPRESSION DELTA (81L), LOCATED APPROXIMATELY
213 NM SOUTHEAST OF MOTSU_SUNNY_POINT_NC, HAS TRACKED EAST AT
07 KNOTS OVER THE PAST SIX HOURS.
12 FT SEAS: 000NM NE, 000NM SE, 000NM SW, 000NM NW. MAXIMUM
SIGNIFICANT WAVE HEIGHT AT 270600Z IS 11 FEET.
THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE FLTWEACEN NORFOLK VA.
THE SYSTEM WILL BE CLOSELY MONITORED FOR SIGNS OF REGENERATION.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 270600Z IS 11 FEET.
REFER TO TROPICAL CYCLONE 80L (CHARLIE) WARNINGS (WTNT01 KNGU)
FOR SIX-HOURLY UPDATES.
EXERCISE EXERCISE EXERCISE.//
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ygsj24

AL812025 - DELTA
持续时长：210 小时
最大风速：95 节
ACE：12.7825
注：部分报点数据与初始报文存在差异

时刻（UTC）	所在纬度	所在经度	风速（节）	强度等级
2025/04/18 12:00	10.7N	46.4W	20
2025/04/18 18:00	10.9N	48.3W	20
2025/04/19 00:00	11.0N	49.6W	20	TD
2025/04/19 06:00	11.3N	51.4W	20	TD
2025/04/19 12:00	12.1N	53.0W	20	TD
2025/04/19 18:00	12.2N	54.0W	25	TD
2025/04/20 00:00	12.4N	55.0W	30	TD
2025/04/20 06:00	12.5N	56.0W	35	TS
2025/04/20 12:00	13.0N	57.2W	35	TS
2025/04/20 18:00	13.2N	58.4W	40	TS
2025/04/21 00:00	13.3N	60.0W	40	TS
2025/04/21 06:00	13.5N	61.2W	45	TS
2025/04/21 12:00	14.1N	62.2W	45	TS
2025/04/21 18:00	14.2N	63.4W	50	TS
2025/04/22 00:00	14.5N	65.0W	55	TS
2025/04/22 06:00	15.1N	66.0W	55	TS
2025/04/22 12:00	15.5N	67.3W	55	TS
2025/04/22 18:00	16.3N	69.0W	60	TS
2025/04/23 00:00	17.2N	70.2W	65	HU-1
2025/04/23 06:00	18.2N	71.2W	65	HU-1
2025/04/23 12:00	19.3N	72.3W	65	HU-1
2025/04/23 18:00	20.3N	73.3W	75	HU-1
2025/04/24 00:00	21.5N	74.2W	80	HU-1
2025/04/24 06:00	22.5N	75.0W	90	HU-2
2025/04/24 12:00	23.5N	75.5W	95	HU-2
2025/04/24 18:00	24.3N	76.5W	95	HU-2
2025/04/25 00:00	25.3N	77.2W	90	HU-2
2025/04/25 06:00	26.1N	78.0W	90	HU-2
2025/04/25 12:00	27.1N	78.4W	85	HU-2
2025/04/25 18:00	27.5N	79.0W	85	HU-2
2025/04/26 00:00	28.5N	79.2W	80	HU-1
2025/04/26 06:00	29.2N	79.2W	75	HU-1
2025/04/26 12:00	30.1N	78.2W	65	HU-1
2025/04/26 18:00	30.4N	77.1W	60	TS
2025/04/27 00:00	31.1N	76.2W	40	TS
2025/04/27 06:00	31.2N	75.4W	30	TD