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Cooperative Institute for Meteorological Satellite Studies / University of Wisconsin-Madison
Tropical Cyclone 12S (Jenna)
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
06Jan2026 2100UTC 77 kts 977 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
UNIFRM 4.5 4.0 3.8 3.1 -60.00C -60.42C
AiDT
Date Time Vmax  
06Jan2026 2100UTC 69 kts  
 
DPRINT
Date Time Vmax MSLP
06Jan2026 2100UTC 66 kts 979 hPa
Vmax 25% Vmax 75%    
59 kts 74 kts    
DMINT
Date Time Vmax MSLP
06Jan2026 1917UTC 84 kts 966 hPa
Vmax 25% Vmax 75% MW Instr.  
77 kts 90 kts ATMS-N21  
MW Sounders
Date Time Vmax MSLP
06Jan2026 1917UTC 74 kts 971 hPa
  Satellite FOV  
  NOAA-21 20  
Shear Analysis
Date Time Shear Magnitude
 Shear Direction
06Jan2026 1800UTC 12 kts 5 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs