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Cooperative Institute for Meteorological Satellite Studies / University of Wisconsin-Madison
Tropical Cyclone 04W (Four)
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
09Apr2026 2010UTC 41 kts 1000 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
CRVBND 2.8 2.7 2.2 2.2 -30.79C -45.69C
AiDT
Date Time Vmax  
09Apr2026 2010UTC 35 kts  
 
DPRINT
Date Time Vmax MSLP
09Apr2026 2010UTC 32 kts 995 hPa
Vmax 25% Vmax 75%    
29 kts 35 kts    
DMINT
Date Time Vmax MSLP
09Apr2026 1556UTC 33 kts 999 hPa
Vmax 25% Vmax 75% MW Instr.  
30 kts 37 kts ATMS-N20  
Date Time Vmax MSLP
09Apr2026 1547UTC 34 kts 996 hPa
Vmax 25% Vmax 75% MW Instr.  
30 kts 37 kts AMSR2  
09Apr2026 1547UTC 8.31N 151.62E
Satellite Sensor Eye Diameter Eye Cert %
AMSR2 37GHz 0.80 deg ---%

TC Structure MPERC
Date Time Prob. ERC onset
Full Model		 Prob. ERC onset
V-based
N/A N/AUTC N/A N/A
 
MIMIC-TPW
 
MIMIC-TC
 
Shear Analysis
Date Time Shear Magnitude
 Shear Direction
09Apr2026 1800UTC 26 kts 104 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs