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Cooperative Institute for Meteorological Satellite Studies / University of Wisconsin-Madison
Tropical Cyclone 09S (Grant)
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
25Dec2025 2130UTC 49 kts 996 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
UNIFRM 3.2 2.7 2.4 2.4 -57.50C -44.83C
AiDT
Date Time Vmax  
25Dec2025 2130UTC 40 kts  
 
DPRINT
Date Time Vmax MSLP
25Dec2025 2130UTC 62 kts 979 hPa
Vmax 25% Vmax 75%    
55 kts 69 kts    
DMINT
Date Time Vmax MSLP
25Dec2025 1916UTC 64 kts 971 hPa
Vmax 25% Vmax 75% MW Instr.  
58 kts 71 kts AMSR2  
Date Time Vmax MSLP
25Dec2025 1851UTC 62 kts 979 hPa
Vmax 25% Vmax 75% MW Instr.  
56 kts 69 kts ATMS-N20  
MW Sounders
Date Time Vmax MSLP
25Dec2025 1851UTC 50 kts 988 hPa
  Satellite FOV  
  NOAA-20 64  
SATCON
Date Time Vmax MSLP
25Dec2025 2100UTC 52 kts 989 hPa
Consensus Members
2 (ADT+Sounders)

RI Forecast AI-RI
Date Time Current Vmax Current MPI
25Dec2025 1800UTC 45 kts 9999 kts
20kt/12h 25kt/24h 30kt/24h 35kt/24h 40kt/24h 45kt/36h 55kt/48h 65kt/72h
4.5% 8.7% 3.8% 1.6% 1.2% 6.9% 2.7% 6.3%

Position Estimates ARCHER
Date Time Latitude Longitude
25Dec2025 1916UTC -12.36S 93.92E
Satellite Sensor Eye Diameter Eye Cert %
AMSR2 85-92GHz 0.30 deg 100.0%

TC Structure MPERC
Date Time Prob. ERC onset
Full Model		 Prob. ERC onset
V-based
25Dec2025 1900UTC 0% 0%
 
MIMIC-TPW
 
MIMIC-TC
 
Shear Analysis
Date Time Shear Magnitude
 Shear Direction
25Dec2025 1800UTC 20 kts 72 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs