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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 0210UTC 28 kts 993 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
IRRCDO 1.8 1.8 2.1 2.5 -60.17C -26.98C
AiDT
Date Time Vmax  
09Apr2026 0210UTC 48 kts  
 
DPRINT
Date Time Vmax MSLP
09Apr2026 0210UTC 43 kts 997 hPa
Vmax 25% Vmax 75%    
38 kts 49 kts    
DMINT
Date Time Vmax MSLP
08Apr2026 1803UTC 48 kts 991 hPa
Vmax 25% Vmax 75% MW Instr.  
42 kts 54 kts WSFM01  
MW Sounders
Date Time Vmax MSLP
08Apr2026 1349UTC 50 kts 983 hPa
  Satellite FOV  
  NOAA-21 5  
Shear Analysis
Date Time Shear Magnitude
 Shear Direction
09Apr2026 000UTC 36 kts 308 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs