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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
07Apr2026 1800UTC 94 kts 954 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
UNIFRM 5.2 4.8 4.5 4.1 -72.94C -64.60C
AiDT
Date Time Vmax  
07Apr2026 1800UTC 90 kts  
 
DPRINT
Date Time Vmax MSLP
07Apr2026 1800UTC 83 kts 965 hPa
Vmax 25% Vmax 75%    
77 kts 90 kts    
DMINT
Date Time Vmax MSLP
07Apr2026 1609UTC 92 kts 962 hPa
Vmax 25% Vmax 75% MW Instr.  
86 kts 99 kts SSMISF18  
Date Time Vmax MSLP
07Apr2026 1319UTC 93 kts 958 hPa
Vmax 25% Vmax 75% MW Instr.  
87 kts 98 kts ATMS-N20  
MPERC
Date Time Prob. ERC onset
Full Model		 Prob. ERC onset
V-based
07Apr2026 1600UTC 0% 8%
 
MIMIC-TPW
 
MIMIC-TC
 
Shear Analysis
Date Time Shear Magnitude
 Shear Direction
07Apr2026 1200UTC 18 kts 287 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs