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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 1500UTC 43 kts 989 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
SHEAR 2.9 2.4 2.3 1.5 18.92C 0.48C
AiDT
Date Time Vmax  
08Apr2026 1500UTC 44 kts  
 
DPRINT
Date Time Vmax MSLP
08Apr2026 1500UTC 42 kts 993 hPa
Vmax 25% Vmax 75%    
37 kts 49 kts    
DMINT
Date Time Vmax MSLP
08Apr2026 1351UTC 47 kts 984 hPa
Vmax 25% Vmax 75% MW Instr.  
42 kts 52 kts ATMS-N21  
Date Time Vmax MSLP
08Apr2026 1302UTC 49 kts 985 hPa
Vmax 25% Vmax 75% MW Instr.  
44 kts 55 kts ATMS-N20  
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 1200UTC 29 kts 305 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs