Return to Homepage
Cooperative Institute for Meteorological Satellite Studies / University of Wisconsin-Madison
Tropical Cyclone 04W (Sinlaku)
Archived CIMSS Product Summary
Current Time :     		NHC/JTWC
Click on product name to access the full product homepage for each specific storm
Mouse over images to enlarge; click to view in window
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
11Apr2026 0400UTC 79 kts 972 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
UNIFRM 4.6 4.5 4.1 3.5 -74.52C -70.47C
AiDT
Date Time Vmax  
11Apr2026 0400UTC 78 kts  
 
DPRINT
Date Time Vmax MSLP
11Apr2026 0400UTC 77 kts 971 hPa
Vmax 25% Vmax 75%    
70 kts 85 kts    
DMINT
Date Time Vmax MSLP
11Apr2026 0331UTC 80 kts 973 hPa
Vmax 25% Vmax 75% MW Instr.  
74 kts 87 kts ATMS-N21  
Date Time Vmax MSLP
11Apr2026 0242UTC 77 kts 968 hPa
Vmax 25% Vmax 75% MW Instr.  
71 kts 83 kts ATMS-N20  
MPERC
Date Time Prob. ERC onset
Full Model		 Prob. ERC onset
V-based
11Apr2026 0300UTC 3% 11%
 
MIMIC-TPW
 
MIMIC-TC
 
Shear Analysis
Date Time Shear Magnitude
 Shear Direction
11Apr2026 000UTC 17 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