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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
06Apr2026 0410UTC 79 kts 972 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
UNIFRM 4.6 4.5 4.1 3.8 -64.69C -73.08C
AiDT
Date Time Vmax  
06Apr2026 0410UTC 80 kts  
 
DPRINT
Date Time Vmax MSLP
06Apr2026 0410UTC 82 kts 964 hPa
Vmax 25% Vmax 75%    
74 kts 89 kts    
DMINT
Date Time Vmax MSLP
06Apr2026 0228UTC 90 kts 964 hPa
Vmax 25% Vmax 75% MW Instr.  
84 kts 96 kts ATMS-N20  
Date Time Vmax MSLP
06Apr2026 0137UTC 94 kts 966 hPa
Vmax 25% Vmax 75% MW Instr.  
87 kts 101 kts ATMS-N21  
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
06Apr2026 000UTC 2 kts 37 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs