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This is the final warning / advisory for this storm as it has weakened below warning levels and/or the storm system is no longer a tropical cyclone.
Current Wind Speed 35 knots / 40 MPH
Max Predicted Wind Speed 35 knots / 40 MPH at
Spaghetti models for BIANCA can be found here:
BIANCA spaghetti models page »
WTXS31 PGTW 262100
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE 20S (BIANCA) WARNING NR 008//
RMKS/
1. TROPICAL CYCLONE 20S (BIANCA) WARNING NR 008
03 ACTIVE TROPICAL CYCLONES IN SOUTHIO
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
261800Z --- NEAR 26.6S 104.2E
MOVEMENT PAST SIX HOURS - 125 DEGREES AT 05 KTS
POSITION ACCURATE TO WITHIN 030 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
RADIUS OF 034 KT WINDS - 045 NM NORTHEAST QUADRANT
100 NM SOUTHEAST QUADRANT
065 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
REPEAT POSIT: 26.6S 104.2E
---
FORECASTS:
12 HRS, VALID AT:
270600Z --- 26.3S 103.1E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
262100Z POSITION NEAR 26.5S 103.9E.
26FEB25. TROPICAL CYCLONE 20S (BIANCA), LOCATED APPROXIMATELY 599
NM WEST-SOUTHWEST OF LEARMONTH, AUSTRALIA, HAS TRACKED
SOUTHEASTWARD AT 05 KNOTS OVER THE PAST SIX HOURS. THE CURRENT
POSITION IS SET WITH HIGH CONFIDENCE ON A FULLY EXPOSED LOW-LEVEL
CIRCULATION EVIDENT IN ENHANCED INFRARED IMAGERY AND A 261455Z METOP-
B ASCAT PASS, WHICH ALSO SUPPORTS THE INTENSITY ESTIMATE OF 35 KNOTS.
TC 20S IS RAPIDLY WEAKENING AND UNRAVELING UNDER THE DUAL INFLUENCES
OF VERY STRONG NORTHWESTERLY VERTICAL WIND SHEAR AND PASSAGE OVER
COOL WATER. 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 261800Z IS
1005 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 261800Z IS 15 FEET.
REFER TO TROPICAL CYCLONE 22S (GARANCE) WARNINGS (WTXS32 PGTW)
FOR TWELVE-HOURLY UPDATES. REFER TO TROPICAL CYCLONE 23S (HONDE)
WARNINGS (WTXS33 PGTW) FOR TWELVE-HOURLY UPDATES.//
NNNN Public Advisory not available for this storm.
Forecast Discussion not available for this storm.
| Time | Speed | Location | Status |
|---|---|---|---|
| 35 knots | -26.6, 104.2 | dissipating | |
| 30 knots | -26.3, 103.1 | dissipated |
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