Return to Homepage
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
Mouse over images to enlarge; click to view in window
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 1120UTC 102 kts 959 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
EYE 5.5 4.9 5.3 5.4 -40.93C -69.26C
AiDT
Date Time Vmax  
06Jan2026 1120UTC 95 kts  
 
DPRINT
Date Time Vmax MSLP
06Jan2026 1120UTC 87 kts 960 hPa
Vmax 25% Vmax 75%    
80 kts 94 kts    
DMINT
Date Time Vmax MSLP
06Jan2026 0940UTC 93 kts 958 hPa
Vmax 25% Vmax 75% MW Instr.  
86 kts 100 kts SSMISF18  
Date Time Vmax MSLP
06Jan2026 0752UTC 87 kts 962 hPa
Vmax 25% Vmax 75% MW Instr.  
80 kts 95 kts GMI   8.0% 2.3% 3.6% 1.9% 0.3%

Position Estimates ARCHER
Date Time Latitude Longitude
06Jan2026 0941UTC -16.42S 94.43E
Satellite Sensor Eye Diameter Eye Cert %
SSMIS-18 85-92GHz 0.80 deg 66.9%

TC Structure MPERC
Date Time Prob. ERC onset
Full Model		 Prob. ERC onset
V-based
06Jan2026 0900UTC 9% 16%
 
MIMIC-TPW
 
MIMIC-TC
 
Shear Analysis
Date Time Shear Magnitude
 Shear Direction
06Jan2026 600UTC 12 kts 8 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs