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Cooperative Institute for Meteorological Satellite Studies / University of Wisconsin-Madison
Tropical Cyclone 04W (Sinlaku)
Archived CIMSS Product Summary
Current Time :     		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
16Apr2026 1900UTC 87 kts 960 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
EYE 4.9 4.8 4.8 4.8 -7.96C -51.61C
AiDT
Date Time Vmax  
16Apr2026 1900UTC 83 kts  
 
DPRINT
Date Time Vmax MSLP
16Apr2026 1900UTC 94 kts 966 hPa
Vmax 25% Vmax 75%    
89 kts 99 kts    
DMINT
Date Time Vmax MSLP
16Apr2026 1854UTC 98 kts 956 hPa
Vmax 25% Vmax 75% MW Instr.  
93 kts 104 kts SSMISF18  
Date Time Vmax MSLP
16Apr2026 1611UTC 97 kts 961 hPa
Vmax 25% Vmax 75% MW Instr.  
91 kts 102 kts ATMS-N21  
16Apr2026 1855UTC 19.19N 144.99E
Satellite Sensor Eye Diameter Eye Cert %
SSMIS-18 85-92GHz 1.90 deg 100.0%

TC Structure MPERC
Date Time Prob. ERC onset
Full Model		 Prob. ERC onset
V-based
16Apr2026 1800UTC 2% 9%
 
MIMIC-TPW
 
MIMIC-TC
 
Shear Analysis
Date Time Shear Magnitude
 Shear Direction
16Apr2026 1800UTC 7 kts 226 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs