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Cooperative Institute for Meteorological Satellite Studies / University of Wisconsin-Madison
Tropical Cyclone 04W (Sinlaku)
Archived CIMSS Product Summary
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NHC/JTWC
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Product Latency Color Code : Less than 3 hours old   3 - 6 hours old   6 - 12 hours old   Greater than 12 hours old   Not Available
Current Intensity Estimates ADT
Date Time Vmax MSLP
17Apr2026 1710UTC 65 kts 978 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
UNIFRM 4.0 3.4 3.3 3.2 -49.94C -51.22C
AiDT
Date Time Vmax  
17Apr2026 1710UTC 68 kts  
 
DPRINT
Date Time Vmax MSLP
17Apr2026 1710UTC 72 kts 977 hPa
Vmax 25% Vmax 75%    
67 kts 77 kts    
DMINT
Date Time Vmax MSLP
17Apr2026 1551UTC 75 kts 969 hPa
Vmax 25% Vmax 75% MW Instr.  
71 kts 80 kts ATMS-N21  
Date Time Vmax MSLP
17Apr2026 1211UTC 85 kts 970 hPa
Vmax 25% Vmax 75% MW Instr.  
80 kts 91 kts AWS  
MPERC
Date Time Prob. ERC onset
Full Model
Prob. ERC onset
V-based
17Apr2026 0600UTC 1% 8%
 
MIMIC-TPW  
MIMIC-TC  
Shear Analysis
Date Time Shear Magnitude
Shear Direction
17Apr2026 1200UTC 18 kts 338 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs