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Cooperative Institute for Meteorological Satellite Studies / University of Wisconsin-Madison
Tropical Cyclone 21S (21s)
Archived CIMSS Product Summary
Current Time :     		NHC/JTWC
Click on product name to access the full product homepage for each specific storm
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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
17Feb2026 0930UTC 31 kts 998 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
SHEAR 2.1 1.6 1.5 1.5 9.89C -6.45C
AiDT
Date Time Vmax  
17Feb2026 0930UTC 51 kts  
 
DPRINT
Date Time Vmax MSLP
17Feb2026 0930UTC 43 kts 990 hPa
Vmax 25% Vmax 75%    
38 kts 49 kts    
DMINT
Date Time Vmax MSLP
17Feb2026 0739UTC 40 kts 991 hPa
Vmax 25% Vmax 75% MW Instr.  
35 kts 45 kts TMS02  
MW Sounders
Date Time Vmax MSLP
18Feb2026 0326UTC 66 kts 979 hPa
  Satellite FOV  
  16 18  
Shear Analysis
Date Time Shear Magnitude
 Shear Direction
18Feb2026 600UTC N/A kts N/A deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs