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Cooperative Institute for Meteorological Satellite Studies / University of Wisconsin-Madison
Tropical Cyclone 21S (Gezani)
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
08Feb2026 1230UTC 35 kts 1006 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
CRVBND 2.5 2.4 2.2 2.2 1.57C -25.73C
AiDT
Date Time Vmax  
08Feb2026 1230UTC 36 kts  
 
DPRINT
Date Time Vmax MSLP
08Feb2026 1230UTC 33 kts 1003 hPa
Vmax 25% Vmax 75%    
29 kts 37 kts    
DMINT
Date Time Vmax MSLP
08Feb2026 1201UTC 31 kts 1005 hPa
Vmax 25% Vmax 75% MW Instr.  
28 kts 35 kts GMI  
Date Time Vmax MSLP
08Feb2026 1157UTC 31 kts 1005 hPa
Vmax 25% Vmax 75% MW Instr.  
27 kts 35 kts GMI  
08Feb2026 1157UTC -18.50S 56.40E
Satellite Sensor Eye Diameter Eye Cert %
GMI 37GHz 1.40 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
08Feb2026 1200UTC 19 kts 70 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs