Return to Homepage
Cooperative Institute for Meteorological Satellite Studies / University of Wisconsin-Madison
Tropical Cyclone 04W (Four)
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
09Apr2026 1510UTC 35 kts 1004 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
CRVBND 2.5 2.2 2.6 2.6 -44.73C -42.28C
AiDT
Date Time Vmax  
09Apr2026 1510UTC 35 kts  
 
DPRINT
Date Time Vmax MSLP
09Apr2026 1510UTC 35 kts 997 hPa
Vmax 25% Vmax 75%    
31 kts 39 kts    
DMINT
Date Time Vmax MSLP
09Apr2026 1504UTC 35 kts 1000 hPa
Vmax 25% Vmax 75% MW Instr.  
31 kts 38 kts ATMS-N21  
MW Sounders
Date Time Vmax MSLP
09Apr2026 1503UTC 31 kts 992 hPa
  Satellite FOV  
  NOAA-21 81  
Shear Analysis
Date Time Shear Magnitude
 Shear Direction
09Apr2026 1200UTC 25 kts 101 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs