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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
18Apr2026 0520UTC 43 kts 988 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
CRVBND 2.9 2.3 2.3 2.3 7.50C -12.56C
AiDT
Date Time Vmax  
18Apr2026 0520UTC 39 kts  
 
DPRINT
Date Time Vmax MSLP
18Apr2026 0520UTC 62 kts 979 hPa
Vmax 25% Vmax 75%    
56 kts 69 kts    
DMINT
Date Time Vmax MSLP
18Apr2026 0355UTC 60 kts 978 hPa
Vmax 25% Vmax 75% MW Instr.  
55 kts 65 kts ATMS-N20  
Date Time Vmax MSLP
18Apr2026 0304UTC 58 kts 981 hPa
Vmax 25% Vmax 75% MW Instr.  
53 kts 63 kts ATMS-N21  
MPERC
Date Time Prob. ERC onset
Full Model		 Prob. ERC onset
V-based
17Apr2026 1800UTC 1% 4%
 
MIMIC-TPW
 
MIMIC-TC
 
Shear Analysis
Date Time Shear Magnitude
 Shear Direction
18Apr2026 000UTC 21 kts 274 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs