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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 1345UTC 25 kts 1005 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
SHEAR 1.5 1.5 1.5 1.5 19.54C 14.21C
AiDT
Date Time Vmax  
08Jan2026 1345UTC 30 kts  
 
DPRINT
Date Time Vmax MSLP
08Jan2026 1600UTC 27 kts 1001 hPa
Vmax 25% Vmax 75%    
25 kts 29 kts    
DMINT
Date Time Vmax MSLP
08Jan2026 1332UTC 28 kts 1000 hPa
Vmax 25% Vmax 75% MW Instr.  
26 kts 31 kts SSMISF16  
Date Time Vmax MSLP
08Jan2026 1149UTC 29 kts 997 hPa
Vmax 25% Vmax 75% MW Instr.  
27 kts 32 kts WSFM01  
07Jan2026 2321UTC -18.18S 91.10E
Satellite Sensor Eye Diameter Eye Cert %
SSMIS-17 85-92GHz 2.10 deg 1.8%

TC Structure MPERC
Date Time Prob. ERC onset
Full Model		 Prob. ERC onset
V-based
08Jan2026 1300UTC 0% 0%
 
MIMIC-TPW
 
MIMIC-TC
 
Shear Analysis
Date Time Shear Magnitude
 Shear Direction
08Jan2026 1200UTC 16 kts 309 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs