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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 40 knots / 46 MPH
Max Predicted Wind Speed 40 knots / 46 MPH at
Spaghetti models for NOUL can be found here:
WTPN31 PGTW 180900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL STORM 13W (NOUL) WARNING NR 012// RMKS/ 1. TROPICAL STORM 13W (NOUL) WARNING NR 012 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 180600Z --- NEAR 16.3N 105.3E MOVEMENT PAST SIX HOURS - 265 DEGREES AT 27 KTS POSITION ACCURATE TO WITHIN 045 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND SYNOPTIC DATA PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY REPEAT POSIT: 16.3N 105.3E --- FORECASTS: 12 HRS, VALID AT: 181800Z --- 16.5N 101.7E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 24 HR POSIT: 280 DEG/ 14 KTS --- 24 HRS, VALID AT: 190600Z --- 17.0N 98.9E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 180900Z POSITION NEAR 16.4N 104.4E. 18SEP20. TROPICAL STORM (TS) 13W (NOUL), LOCATED APPROXIMATELY 174 NM WEST OF DA NANG, VIETNAM, HAS TRACKED WESTWARD AT 27 KNOTS (KTS) OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS DEEP CONVECTION OBSCURING THE LOW LEVEL CIRCULATION CENTER (LLCC) WHICH HAS TRACKED INLAND AND IS LOCATED OVER LAOS. AN 180620Z ATMS 88.2 GHZ MICROWAVE IMAGE REVEALS CONVECTIVE BANDING WRAPPING TOWARDS THE LLCC, LENDING FAIR CONFIDENCE TO THE INITIAL POSITION. THE INITIAL INTENSITY IS SET AT 40 KTS BASED ON A WEAKENING CONVECTIVE STRUCTURE AND SURFACE OBSERVATIONS SHOWING WEAKER WIND SPEEDS AND MINIMUM SEA LEVEL PRESSURES OF 993-995 MB. DESPITE ROBUST EQUATORWARD OUTFLOW, TS 13W IS TRACKING THROUGH AN UNFAVORABLE ENVIRONMENT CHARACTERIZED BY HIGH (20-30 KT) NORTHEASTERLY VERTICAL WIND SHEAR AND MOUNTAINOUS TERRAIN. THESE ADVERSE CONDITIONS WILL LEAD TS 13W TO STEADILY WEAKEN AS IT TRACKS WESTWARD UNDER THE STEERING INFLUENCE OF A SUBTROPICAL RIDGE TO THE NORTH. THE SYSTEM IS FORECAST TO DISSIPATE OVER LAND BY TAU 24. NUMERICAL MODEL GUIDANCE IS IN TIGHT AGREEMENT PLACING HIGH CONFIDENCE IN THE JTWC FORECAST TRACK. 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.// NNNN
Public Advisory not available for this storm.
Forecast Discussion not available for this storm.
Time | Speed | Location | Status |
---|---|---|---|
40 knots | 16.3, 105.3 | ||
30 knots | 16.5, 101.7 | dissipating | |
20 knots | 17.0, 98.9 | dissipated |
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