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This storm is unnamed. If the information appears to be out of date, its name may have changed, so visit the main page for the latest information.
Current Wind Speed 30 knots / 35 MPH
Max Predicted Wind Speed 50 knots / 58 MPH at
Spaghetti models for TWENTYONE can be found here:
TWENTYONE spaghetti models page »
WTPN32 PGTW 270300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL DEPRESSION 21W (TWENTYONE) WARNING NR 001//
RMKS/
1. TROPICAL DEPRESSION 21W (TWENTYONE) WARNING NR 001
03 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
270000Z --- NEAR 20.4N 167.7E
MOVEMENT PAST SIX HOURS - 010 DEGREES AT 06 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: 20.4N 167.7E
---
FORECASTS:
12 HRS, VALID AT:
271200Z --- 22.0N 168.1E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT
060 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 350 DEG/ 09 KTS
---
24 HRS, VALID AT:
280000Z --- 23.7N 167.8E
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT
100 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
060 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 345 DEG/ 08 KTS
---
36 HRS, VALID AT:
281200Z --- 25.2N 167.3E
MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 110 NM NORTHEAST QUADRANT
100 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
070 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 350 DEG/ 09 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
290000Z --- 27.0N 166.9E
MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT
110 NM SOUTHEAST QUADRANT
050 NM SOUTHWEST QUADRANT
070 NM NORTHWEST QUADRANT
VECTOR TO 60 HR POSIT: 345 DEG/ 11 KTS
---
60 HRS, VALID AT:
291200Z --- 29.2N 166.2E
MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 140 NM NORTHEAST QUADRANT
090 NM SOUTHEAST QUADRANT
050 NM SOUTHWEST QUADRANT
080 NM NORTHWEST QUADRANT
VECTOR TO 72 HR POSIT: 340 DEG/ 09 KTS
---
72 HRS, VALID AT:
300000Z --- 31.0N 165.5E
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
BECOMING SUBTROPICAL
RADIUS OF 034 KT WINDS - 100 NM NORTHEAST QUADRANT
090 NM SOUTHEAST QUADRANT
050 NM SOUTHWEST QUADRANT
070 NM NORTHWEST QUADRANT
VECTOR TO 96 HR POSIT: 010 DEG/ 05 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
310000Z --- 32.9N 165.8E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
SUBTROPICAL
RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT
100 NM SOUTHEAST QUADRANT
060 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
---
REMARKS:
270300Z POSITION NEAR 20.8N 167.8E.27AUG26. TROPICAL DEPRESSION 21W
(TWENTYONE), LOCATED APPROXIMATELY 91 NM NORTHEAST OF WAKE ISLAND, HAS
TRACKED NORTHWARD AT 06 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL
PRESSURE AT 270000Z IS 1000 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT
270000Z IS 12 FEET. NEXT WARNINGS AT 270900Z, 271500Z, 272100Z AND
280300Z. REFER TO TYPHOON 17W (SAUDEL) WARNINGS (WTPN31 PGTW) FOR SIX-
HOURLY UPDATES. REFER TO TROPICAL DEPRESSION 20W (TWENTY) WARNINGS
(WTPN33 PGTW) FOR SIX-HOURLY UPDATES.//
NNNN Public Advisory not available for this storm.
Forecast Discussion not available for this storm.
| Time | Speed | Location | Status |
|---|---|---|---|
| 30 knots | 20.4, 167.7 | ||
| 40 knots | 22.0, 168.1 | ||
| 45 knots | 23.7, 167.8 | ||
| 50 knots | 25.2, 167.3 | ||
| 50 knots | 27.0, 166.9 | ||
| 50 knots | 29.2, 166.2 | ||
| 45 knots | 31.0, 165.5 | ||
| 35 knots | 32.9, 165.8 |
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