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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
10Apr2026 0610UTC 43 kts 1001 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
UNIFRM 2.9 2.9 2.8 3.5 -75.93C -74.12C
AiDT
Date Time Vmax  
10Apr2026 0610UTC 36 kts  
 
DPRINT
Date Time Vmax MSLP
10Apr2026 0610UTC 46 kts 988 hPa
Vmax 25% Vmax 75%    
41 kts 51 kts    
DMINT
Date Time Vmax MSLP
10Apr2026 0603UTC 44 kts 987 hPa
Vmax 25% Vmax 75% MW Instr.  
39 kts 48 kts SSMISF18  
Date Time Vmax MSLP
10Apr2026 0350UTC 49 kts 989 hPa
Vmax 25% Vmax 75% MW Instr.  
44 kts 53 kts ATMS-N21  
10Apr2026 0604UTC 8.30N 151.50E
Satellite Sensor Eye Diameter Eye Cert %
SSMIS-18 85-92GHz 2.00 deg 18.0%

TC Structure MPERC
Date Time Prob. ERC onset
Full Model		 Prob. ERC onset
V-based
10Apr2026 0600UTC 0% 0%
 
MIMIC-TPW
 
MIMIC-TC
 
Shear Analysis
Date Time Shear Magnitude
 Shear Direction
10Apr2026 600UTC 22 kts 103 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs