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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
07Jan2026 2100UTC 34 kts 1001 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
SHEAR 2.4 1.6 1.5 1.5 10.41C 1.67C
AiDT
Date Time Vmax  
07Jan2026 2100UTC 37 kts  
 
DPRINT
Date Time Vmax MSLP
07Jan2026 2100UTC 34 kts 995 hPa
Vmax 25% Vmax 75%    
30 kts 38 kts    
DMINT
Date Time Vmax MSLP
07Jan2026 1859UTC 32 kts 1000 hPa
Vmax 25% Vmax 75% MW Instr.  
28 kts 35 kts ATMS-N21  
Date Time Vmax MSLP
07Jan2026 1848UTC 38 kts 996 hPa
Vmax 25% Vmax 75% MW Instr.  
34 kts 42 kts AMSR2  
07Jan2026 1837UTC -18.75S 91.72E
Satellite Sensor Eye Diameter Eye Cert %
GMI 37GHz 1.10 deg ---%

TC Structure MPERC
Date Time Prob. ERC onset
Full Model		 Prob. ERC onset
V-based
07Jan2026 1800UTC 0% 0%
 
MIMIC-TPW
 
MIMIC-TC
 
Shear Analysis
Date Time Shear Magnitude
 Shear Direction
07Jan2026 1800UTC 15 kts 316 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs