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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
11Apr2026 0200UTC 79 kts 972 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
UNIFRM 4.6 4.6 4.6 3.5 -77.64C -75.06C
AiDT
Date Time Vmax  
11Apr2026 0200UTC 79 kts  
 
DPRINT
Date Time Vmax MSLP
11Apr2026 0200UTC 74 kts 976 hPa
Vmax 25% Vmax 75%    
67 kts 82 kts    
DMINT
Date Time Vmax MSLP
10Apr2026 1932UTC 62 kts 975 hPa
Vmax 25% Vmax 75% MW Instr.  
55 kts 70 kts SSMISF17  
MW Sounders
Date Time Vmax MSLP
10Apr2026 1932UTC 60 kts 976 hPa
  Satellite FOV  
  17 9  
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