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Cooperative Institute for Meteorological Satellite Studies / University of Wisconsin-Madison
Tropical Cyclone 27P (Narelle)
Archived 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
19Mar2026 0600UTC 137 kts 926 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
UNIFRM 6.9 6.7 5.8 4.6 -79.57C -79.49C
AiDT
Date Time Vmax  
19Mar2026 0600UTC 129 kts  
 
DPRINT
Date Time Vmax MSLP
19Mar2026 0600UTC 131 kts 932 hPa
Vmax 25% Vmax 75%    
123 kts 139 kts    
DMINT
Date Time Vmax MSLP
19Mar2026 0607UTC 130 kts 925 hPa
Vmax 25% Vmax 75% MW Instr.  
122 kts 138 kts SSMISF18  
Date Time Vmax MSLP
19Mar2026 0357UTC 120 kts 934 hPa
Vmax 25% Vmax 75% MW Instr.  
114 kts 126 kts ATMS-N21  
19Mar2026 0608UTC -13.58S 146.42E
Satellite Sensor Eye Diameter Eye Cert %
SSMIS-18 85-92GHz 0.30 deg 100.0%

TC Structure MPERC
Date Time Prob. ERC onset
Full Model		 Prob. ERC onset
V-based
18Mar2026 2000UTC 45% 23%
 
MIMIC-TPW
 
MIMIC-TC
 
Shear Analysis
Date Time Shear Magnitude
 Shear Direction
19Mar2026 000UTC 24 kts 88 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs