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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
12Feb2026 1730UTC 82 kts 974 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
UNIFRM 4.7 4.6 4.2 3.6 -58.53C -63.77C
AiDT
Date Time Vmax  
12Feb2026 1730UTC 93 kts  
 
DPRINT
Date Time Vmax MSLP
12Feb2026 1730UTC 86 kts 955 hPa
Vmax 25% Vmax 75%    
80 kts 92 kts    
DMINT
Date Time Vmax MSLP
12Feb2026 1521UTC 77 kts 973 hPa
Vmax 25% Vmax 75% MW Instr.  
71 kts 84 kts SSMISF17  
Date Time Vmax MSLP
12Feb2026 1514UTC 71 kts 973 hPa
Vmax 25% Vmax 75% MW Instr.  
65 kts 77 kts WSFM01  
MPERC
Date Time Prob. ERC onset
Full Model		 Prob. ERC onset
V-based
12Feb2026 1500UTC 7% 8%
 
MIMIC-TPW
 
MIMIC-TC
 
Shear Analysis
Date Time Shear Magnitude
 Shear Direction
12Feb2026 1200UTC 2 kts 312 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs