背风群岛东北热带低压80L

ygsj24

注：本编号为测试编号

WTNT21 KNGU 180900
SUBJ/TROPICAL CYCLONE FORMATION ALERT//
EXERCISE EXERCISE EXERCISE
RMKS/1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE
WITHIN 100 NM EITHER SIDE OF A LINE FROM 20.0N 46.9W TO 20.0N 54.6W
WITHIN THE NEXT 24 HOURS. AVAILABLE DATA DOES NOT JUSTIFY
ISSUANCE OF NUMBERED TROPICAL CYCLONE WARNINGS AT THIS TIME.
WINDS IN THE AREA ARE ESTIMATED TO BE 10 TO 15 KNOTS. METSAT
IMAGERY AND SYNOPTIC DATA AT 180600Z INDICATE THAT A CIRCULATION
CENTER IS LOCATED NEAR 20.0N 46.9W. THE SYSTEM IS MOVING WESTWARD
AT 18 KNOTS.
2.THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL
CYCLONE WITHIN THE NEXT 24 HOURS IS HIGH. A BROAD AREA OF CLOUDINESS
LOCATED APPROXIMATELY 320NM SSE OF GUANTANAMO BAY, CUBA IS
BEGINNING TO SHOW SIGNS OF ORGANIZATION. A RECENT ASCAT PASS
SHOWS CLEAR CIRCULATION. AS THE DISTURBANCE IS CURRENTLY IN A
FAVORABLE LOCATION FURTHER INTENSIFICATION IS EXPECTED. AS THE
SYSTEM TRACKS IN A GENERAL W-WNW DIRECTION IN THE CARRIBEAN
TOWARDS THE YUCATAN CHANNEL WITH LIKELY WEST NORTHWESTWARD
STEERING OVER THE NEXT 24 TO 48 HOURS.
MAXIMUM SIGNIFICANT WAVE HEIGHT OF 04FT.
3. THIS ALERT WILL BE REISSUED, SUPERSEDED BY POTENTIAL TROPICAL
CYCLONE ADVISORY, UPGRADED TO WARNING, OR CANCELLED BY 190900Z.
EXERCISE EXERCISE EXERCISE//

ygsj24

REF/A/FLTWEACEN NORFOLK VA/190900Z APR 25//
AMPN/TROPICAL CYCLONE FORMATION ALERT//
WTNT01 KNGU 190300   
SUBJ: TROPICAL DEPRESSION CHARLIE (80L) WARNING NR 001
EXERCISE EXERCISE EXERCISE   
1. TROPICAL DEPRESSION CHARLIE (80L) WARNING NR 001   
   02 ACTIVE TROPICAL CYCLONES IN ATLANTIC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   190000Z --- NEAR 21.1N 53.8W
     MOVEMENT PAST SIX HOURS - 275 DEGREES AT 34 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   REPEAT POSIT: 21.1N 53.8W
    ---
   FORECASTS:
   12 HRS, VALID AT:
   191200Z --- 22.6N 56.4W
   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 24 HR POSIT: 300 DEG/ 12 KTS
    ---
   24 HRS, VALID AT:
   200000Z --- 23.8N 58.7W
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 36 HR POSIT: 305 DEG/ 13 KTS
    ---
   36 HRS, VALID AT:
   201200Z --- 25.3N 61.0W
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
                            000 NM SOUTHEAST QUADRANT
                            000 NM SOUTHWEST QUADRANT
                            030 NM NORTHWEST QUADRANT
   VECTOR TO 48 HR POSIT: 305 DEG/ 11 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   210000Z --- 26.5N 63.0W
   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
                            000 NM SOUTHWEST QUADRANT
                            035 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 140 NM NORTHEAST QUADRANT
                            130 NM SOUTHEAST QUADRANT
                            060 NM SOUTHWEST QUADRANT
                            100 NM NORTHWEST QUADRANT
   VECTOR TO 60 HR POSIT: 300 DEG/ 12 KTS
    ---
   60 HRS, VALID AT:
   211200Z --- 27.7N 65.3W
   MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT
                            040 NM SOUTHEAST QUADRANT
                            030 NM SOUTHWEST QUADRANT
                            040 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 160 NM NORTHEAST QUADRANT
                            150 NM SOUTHEAST QUADRANT
                            080 NM SOUTHWEST QUADRANT
                            120 NM NORTHWEST QUADRANT
   VECTOR TO 72 HR POSIT: 305 DEG/ 11 KTS
    ---
   72 HRS, VALID AT:
   220000Z --- 29.0N 67.4W
   MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 050 KT WINDS - 075 NM NORTHEAST QUADRANT
                            060 NM SOUTHEAST QUADRANT
                            050 NM SOUTHWEST QUADRANT
                            060 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 170 NM NORTHEAST QUADRANT
                            160 NM SOUTHEAST QUADRANT
                            090 NM SOUTHWEST QUADRANT
                            130 NM NORTHWEST QUADRANT
   VECTOR TO 96 HR POSIT: 305 DEG/ 09 KTS
    ---
   LONG RANGE OUTLOOK:
    ---
   96 HRS, VALID AT:
   230000Z --- 31.0N 71.0W
   MAX SUSTAINED WINDS - 105 KT, GUSTS 130 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 120 HR POSIT: 310 DEG/ 10 KTS
    ---
   120 HRS, VALID AT:
   240000Z --- 33.5N 74.5W
   MAX SUSTAINED WINDS - 115 KT, GUSTS 140 KT
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
REMARKS:
190300Z POSITION NEAR 21.5N 54.5W.
19APR25. TROPICAL DEPRESSION CHARLIE (80L), LOCATED APPROXIMATELY
509 NM NORTHEAST OF BARBADOS, HAS TRACKED WEST AT 34 KNOTS
OVER THE PAST SIX HOURS.
THERE ARE NO 12 FT SEAS
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 190000Z IS 8 FEET. NEXT
WARNINGS AT 190900Z, 191500Z, 192100Z AND 200300Z. THIS WARNING
SUPERSEDES AND CANCELS REF A, FLTWEACEN NORFOLK VA 180900Z APR 25
TROPICAL CYCLONE FORMATION ALERT (WTNT21 KNGU 180900).
REFER TO TROPICAL CYCLONE 81L (DELTA) WARNINGS (WTNT02 KNGU)
FOR SIX-HOURLY UPDATES EXERCISE EXERCISE EXERCISE.
//
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