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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.
Go to the main page to see active storms.
A small percentage of post-tropical cyclones will become tropical again. In that case, this page will be updated again with the latest advisories and warnings.
Current Wind Speed 35 knots / 40 MPH
Max Predicted Wind Speed 35 knots / 40 MPH at
No land hazards or hazard data not available for this storm.
Alternate tracking maps are only available on NHC tracked storms.
Spaghetti models for Helen can be found here:
Watches and Warnings are currently only available for NHC tracked storms.
WTIO31 PGTW 220900
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE 04B (HELEN) WARNING NR 012//
RMKS/
1. TROPICAL CYCLONE 04B (HELEN) WARNING NR 012
01 ACTIVE TROPICAL CYCLONE IN NORTHIO
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
220600Z --- NEAR 16.2N 81.3E
MOVEMENT PAST SIX HOURS - 270 DEGREES AT 07 KTS
POSITION ACCURATE TO WITHIN 010 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE AND RADAR
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
REPEAT POSIT: 16.2N 81.3E
---
FORECASTS:
12 HRS, VALID AT:
221800Z --- 16.3N 80.0E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
---
REMARKS:
220900Z POSITION NEAR 16.2N 81.0E.
TROPICAL CYCLONE 04B (HELEN), LOCATED APPROXIMATELY 193 NM NORTH-
NORTHEASTWARD OF CHENNAI, INDIA, HAS TRACKED WESTWARD AT 07 KNOTS
OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY
SHOWS A FULLY-EXPOSED LOW LEVEL CIRCULATION THAT IS ABOUT TO MAKE
LANDFALL NEAR MACHILLIPATNAM. THE INITIAL POSITION IS BASED ON THE
ABOVE ANIMATION AND FROM A COMPOSITE RADAR LOOP FROM THE INDIA
METEOROLOGICAL DEPARTMENT WITH HIGH CONFIDENCE. THE INITIAL
INTENSITY IS BASED ON THE DVORAK ESTIMATE FROM PGTW. TC HELEN IS
EXPECTED TO CONTINUE MOVING WESTWARD, MAKE LANDFALL OVER THE NEXT FEW
HOURS, AND DISSIPATE OVER LAND. NUMERIC MODEL GUIDANCE IS IN TIGHT
AGREEMENT, LENDING HIGH CONFIDENCE TO THE JTWC TRACK FORECAST. 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
RECURVATURE INTO OPEN WATER. MAXIMUM SIGNIFICANT WAVE HEIGHT AT
220600Z IS 12 FEET. //
NNNN
Public Advisory not available for this storm.
Forecast Discussion not available for this storm.
| Time | Speed | Location | Status |
|---|---|---|---|
| 35 knots | 16.2, 81.3 | dissipating | |
| 30 knots | 16.3, 80.0 | dissipated |
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