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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
20Apr2026 0300UTC 25 kts 988 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
SHEAR 1.5 1.5 1.5 1.5 15.41C 12.57C
AiDT
Date Time Vmax  
20Apr2026 0300UTC 33 kts  
 
DPRINT
Date Time Vmax MSLP
20Apr2026 0300UTC 30 kts 1002 hPa
Vmax 25% Vmax 75%    
27 kts 33 kts    
DMINT
Date Time Vmax MSLP
20Apr2026 0227UTC 27 kts 999 hPa
Vmax 25% Vmax 75% MW Instr.  
24 kts 30 kts ATMS-N21  
MW Sounders
Date Time Vmax MSLP
20Apr2026 0226UTC 42 kts 978 hPa
  Satellite FOV  
  NOAA-21 45  
Shear Analysis
Date Time Shear Magnitude
 Shear Direction
20Apr2026 000UTC 30 kts 290 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs