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Cooperative Institute for Meteorological Satellite Studies / University of Wisconsin-Madison
Tropical Cyclone 31P (Vaianu)
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
08Apr2026 0910UTC 63 kts 979 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
CRVBND 3.9 3.3 3.2 2.1 14.75C -12.85C
AiDT
Date Time Vmax  
08Apr2026 0910UTC 59 kts  
 
DPRINT
Date Time Vmax MSLP
08Apr2026 0910UTC 49 kts 989 hPa
Vmax 25% Vmax 75%    
43 kts 56 kts    
DMINT
Date Time Vmax MSLP
08Apr2026 0650UTC 62 kts 981 hPa
Vmax 25% Vmax 75% MW Instr.  
55 kts 68 kts WSFM01  
Date Time Vmax MSLP
08Apr2026 0441UTC 78 kts 974 hPa
Vmax 25% Vmax 75% MW Instr.  
72 kts 85 kts SSMISF18  
MPERC
Date Time Prob. ERC onset
Full Model		 Prob. ERC onset
V-based
08Apr2026 0400UTC 30% 4%
 
MIMIC-TPW
 
MIMIC-TC
 
Shear Analysis
Date Time Shear Magnitude
 Shear Direction
08Apr2026 600UTC N/A kts N/A deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs