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Cooperative Institute for Meteorological Satellite Studies / University of Wisconsin-Madison
Tropical Cyclone 17E (Polo)
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
21Sep2026 2140UTC 63 kts 988 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
UNIFRM 3.9 3.9 4.1 4.5 -69.25C -74.61C
AiDT-V2
Date Time Vmax  
21Sep2026 2140UTC 55 kts  
 
DPRINT
Date Time Vmax MSLP
21Sep2026 2140UTC 71 kts 986 hPa
Vmax 25% Vmax 75%    
64 kts 78 kts    
DMINT
Date Time Vmax MSLP
21Sep2026 2027UTC 77 kts 979 hPa
Vmax 25% Vmax 75% MW Instr.  
71 kts 84 kts ATMS-N20  
Date Time Vmax MSLP
21Sep2026 1931UTC 76 kts 984 hPa
Vmax 25% Vmax 75% MW Instr.  
69 kts 83 kts ATMS-N21  
Date Time Vmax MSLP
21Sep2026 1648UTC 64 kts 994 hPa
Vmax 25% Vmax 75% MW Instr.  
58 kts 71 kts TMS06  
MW Sounders
Date Time Vmax MSLP
21Sep2026 2026UTC 74 kts 973 hPa
  Satellite FOV  
  NOAA-20 70  
SATCON
Date Time Vmax MSLP
21Sep2026 2140UTC 66 kts 978 hPa
Consensus Members
2 (ADT+Sounders)

RI Forecast AI-RI
Date Time Current Vmax Current MPI
21Sep2026 1800UTC 70 kts 165 kts
20kt/12h 25kt/24h 30kt/24h 35kt/24h 40kt/24h 45kt/36h 55kt/48h 65kt/72h
26.8% 25.6% 33.9% 43.7% 27.2% 35.8% 20.6% 10.2%

Position Estimates ARCHER
Date Time Latitude Longitude
21Sep2026 2050UTC 15.30N 102.78W
Satellite Sensor Eye Diameter Eye Cert %
GOES18 SWIR 0.70 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
21Sep2026 1800UTC 5 kts 278 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs