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Cooperative Institute for Meteorological Satellite Studies / University of Wisconsin-Madison
Tropical Cyclone 27P (Narelle)
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
28Mar2026 1100UTC 30 kts 994 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
SHEAR 2.0 2.0 2.0 2.0 10.92C -4.30C
AiDT
Date Time Vmax  
28Mar2026 1100UTC 36 kts  
 
DPRINT
Date Time Vmax MSLP
28Mar2026 1100UTC 33 kts 997 hPa
Vmax 25% Vmax 75%    
29 kts 38 kts    
DMINT
Date Time Vmax MSLP
28Mar2026 0949UTC 19 kts 1004 hPa
Vmax 25% Vmax 75% MW Instr.  
15 kts 23 kts SSMISF17  
Date Time Vmax MSLP
28Mar2026 0612UTC 20 kts 1005 hPa
Vmax 25% Vmax 75% MW Instr.  
16 kts 25 kts AMSR2  
MW Sounders
Date Time Vmax MSLP
28Mar2026 0604UTC 49 kts 984 hPa
  Satellite FOV  
  NOAA-21 63  
SATCON
Date Time Vmax MSLP
27Mar2026 0130UTC 105 kts 946 hPa
Consensus Members
2 (ADT+Sounders)

RI Forecast AI-RI
Date Time Current Vmax Current MPI
28Mar2026 0600UTC 30 kts 9999 kts
20kt/12h 25kt/24h 30kt/24h 35kt/24h 40kt/24h 45kt/36h 55kt/48h 65kt/72h
0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.2% 0.0%

Position Estimates ARCHER
Date Time Latitude Longitude
28Mar2026 0612UTC -32.12S 119.67E
Satellite Sensor Eye Diameter Eye Cert %
AMSR2 37GHz 0.20 deg ---%

TC Structure MPERC
Date Time Prob. ERC onset
Full Model		 Prob. ERC onset
V-based
28Mar2026 0900UTC 0% 0%
 
MIMIC-TPW
 
MIMIC-TC
 
Shear Analysis
Date Time Shear Magnitude
 Shear Direction
28Mar2026 600UTC 36 kts 272 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs