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Cooperative Institute for Meteorological Satellite Studies / University of Wisconsin-Madison
Tropical Cyclone 18E (Rachel)
Latest Real-Time 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
28Sep2026 1620UTC 35 kts 1003 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
CRVBND 2.5 2.5 2.6 2.6 -32.41C -41.97C
AiDT-V2
Date Time Vmax  
28Sep2026 1620UTC 48 kts  
 
DPRINT
Date Time Vmax MSLP
28Sep2026 1550UTC 47 kts 999 hPa
Vmax 25% Vmax 75%    
42 kts 52 kts    
DMINT
Date Time Vmax MSLP
28Sep2026 1140UTC 45 kts 1001 hPa
Vmax 25% Vmax 75% MW Instr.  
40 kts 50 kts SSMISF18  
MW Sounders
Date Time Vmax MSLP
28Sep2026 0846UTC 44 kts 994 hPa
  Satellite FOV  
  NOAA-20 9  
SATCON
Date Time Vmax MSLP
28Sep2026 1040UTC 42 kts 999 hPa
Consensus Members
2 (ADT+Sounders)

RI Forecast AI-RI
Date Time Current Vmax Current MPI
28Sep2026 1200UTC 45 kts 164 kts
20kt/12h 25kt/24h 30kt/24h 35kt/24h 40kt/24h 45kt/36h 55kt/48h 65kt/72h
3.7% 38.6% 5.0% 5.9% 1.6% 11.7% 17.8% 25.7%

Position Estimates ARCHER
Date Time Latitude Longitude
28Sep2026 1450UTC 12.71N 100.82W
Satellite Sensor Eye Diameter Eye Cert %
GOES18 SWIR 0.20 deg ---%

TC Structure MPERC
Date Time Prob. ERC onset
Full Model		 Prob. ERC onset
V-based
N/A N/AUTC N/A N/A
 
MIMIC-TPW
 
MIMIC-TC
 
Shear Analysis
Date Time Shear Magnitude
 Shear Direction
28Sep2026 1200UTC 21 kts 46 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs