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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 1120UTC 61 kts 980 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
SHEAR 3.8 3.0 2.9 1.8 17.50C -8.96C
AiDT
Date Time Vmax  
08Apr2026 1120UTC 55 kts  
 
DPRINT
Date Time Vmax MSLP
08Apr2026 1120UTC 46 kts 992 hPa
Vmax 25% Vmax 75%    
40 kts 52 kts    
DMINT
Date Time Vmax MSLP
08Apr2026 0650UTC 62 kts 981 hPa
Vmax 25% Vmax 75% MW Instr.  
55 kts 68 kts WSFM01  
MW Sounders
Date Time Vmax MSLP
08Apr2026 0148UTC 103 kts 943 hPa
  Satellite FOV  
  NOAA-20 43  
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