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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
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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
08Jan2026 2345UTC 25 kts 1005 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
SHEAR 1.5 1.5 1.5 1.5 16.78C 14.45C
AiDT
Date Time Vmax  
08Jan2026 2345UTC 30 kts  
 
DPRINT
Date Time Vmax MSLP
08Jan2026 2345UTC 29 kts 1000 hPa
Vmax 25% Vmax 75%    
27 kts 32 kts    
DMINT
Date Time Vmax MSLP
08Jan2026 2204UTC 28 kts 1002 hPa
Vmax 25% Vmax 75% MW Instr.  
26 kts 30 kts SSMISF18  
Date Time Vmax MSLP
08Jan2026 1930UTC 31 kts 999 hPa
Vmax 25% Vmax 75% MW Instr.  
28 kts 35 kts AMSR2  
08Jan2026 1515UTC -17.44S 89.03E
Satellite Sensor Eye Diameter Eye Cert %
Metop-C ASCAT --- deg ---%

TC Structure MPERC
Date Time Prob. ERC onset
Full Model		 Prob. ERC onset
V-based
08Jan2026 2200UTC 0% 0%
 
MIMIC-TPW
 
MIMIC-TC
 
Shear Analysis
Date Time Shear Magnitude
 Shear Direction
08Jan2026 1800UTC 16 kts 293 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs