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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
09Apr2026 0710UTC 33 kts 991 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
CRVBND 2.3 2.2 2.3 2.3 2.61C -19.15C
AiDT
Date Time Vmax  
09Apr2026 0710UTC 51 kts  
 
DPRINT
Date Time Vmax MSLP
09Apr2026 0710UTC 46 kts 994 hPa
Vmax 25% Vmax 75%    
40 kts 52 kts    
DMINT
Date Time Vmax MSLP
09Apr2026 0218UTC 48 kts 982 hPa
Vmax 25% Vmax 75% MW Instr.  
43 kts 53 kts ATMS-N21  
MW Sounders
Date Time Vmax MSLP
09Apr2026 0216UTC 62 kts 967 hPa
  Satellite FOV  
  NOAA-21 83  
Shear Analysis
Date Time Shear Magnitude
 Shear Direction
09Apr2026 600UTC 32 kts 314 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs