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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 1120UTC 72 kts 977 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
UNIFRM 4.3 3.9 3.9 3.9 -82.72C -82.72C
AiDT
Date Time Vmax  
06Apr2026 1120UTC 78 kts  
 
DPRINT
Date Time Vmax MSLP
06Apr2026 1120UTC 83 kts 959 hPa
Vmax 25% Vmax 75%    
76 kts 90 kts    
DMINT
Date Time Vmax MSLP
06Apr2026 0228UTC 90 kts 964 hPa
Vmax 25% Vmax 75% MW Instr.  
84 kts 96 kts ATMS-N20  
MW Sounders
Date Time Vmax MSLP
06Apr2026 0227UTC 81 kts 959 hPa
  Satellite FOV  
  NOAA-20 79  
Shear Analysis
Date Time Shear Magnitude
 Shear Direction
06Apr2026 600UTC 7 kts 7 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs