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
17Apr2026 1600UTC 65 kts 978 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
UNIFRM 4.0 3.7 3.7 3.5 -50.21C -52.09C
AiDT
Date Time Vmax  
17Apr2026 1600UTC 70 kts  
 
DPRINT
Date Time Vmax MSLP
17Apr2026 1600UTC 82 kts 974 hPa
Vmax 25% Vmax 75%    
77 kts 87 kts    
DMINT
Date Time Vmax MSLP
17Apr2026 1211UTC 85 kts 970 hPa
Vmax 25% Vmax 75% MW Instr.  
80 kts 91 kts AWS  
MW Sounders
Date Time Vmax MSLP
17Apr2026 0321UTC 91 kts 946 hPa
  Satellite FOV  
  NOAA-21 31  
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