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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
11Feb2026 1530UTC 28 kts 1012 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
CRVBND 1.8 1.8 2.0 2.4 -14.18C -43.00C
AiDT
Date Time Vmax  
11Feb2026 1530UTC 33 kts  
 
DPRINT
Date Time Vmax MSLP
11Feb2026 1500UTC 36 kts 998 hPa
Vmax 25% Vmax 75%    
31 kts 41 kts    
DMINT
Date Time Vmax MSLP
11Feb2026 1550UTC 40 kts 998 hPa
Vmax 25% Vmax 75% MW Instr.  
34 kts 46 kts SSMISF16  
Date Time Vmax MSLP
11Feb2026 1259UTC 34 kts 1005 hPa
Vmax 25% Vmax 75% MW Instr.  
29 kts 39 kts SSMISF18  
11Feb2026 1550UTC -19.04S 43.98E
Satellite Sensor Eye Diameter Eye Cert %
SSMIS-16 85-92GHz 0.70 deg 24.5%

TC Structure MPERC
Date Time Prob. ERC onset
Full Model		 Prob. ERC onset
V-based
11Feb2026 1500UTC 0% 0%
 
MIMIC-TPW
 
MIMIC-TC
 
Shear Analysis
Date Time Shear Magnitude
 Shear Direction
11Feb2026 1200UTC 8 kts 46 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs