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Cooperative Institute for Meteorological Satellite Studies / University of Wisconsin-Madison
Tropical Cyclone 04W (Sinlaku)
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
18Apr2026 1600UTC 31 kts 991 hPa
Scene CI# FT# AdjT# RawT# Eye T Cloud T
SHEAR 2.1 1.5 1.5 1.5 12.38C 4.72C
AiDT
Date Time Vmax  
18Apr2026 1600UTC 36 kts  
 
DPRINT
Date Time Vmax MSLP
18Apr2026 1600UTC 47 kts 993 hPa
Vmax 25% Vmax 75%    
41 kts 53 kts    
DMINT
Date Time Vmax MSLP
18Apr2026 1531UTC 45 kts 990 hPa
Vmax 25% Vmax 75% MW Instr.  
40 kts 50 kts ATMS-N21  
Date Time Vmax MSLP
18Apr2026 1222UTC 53 kts 987 hPa
Vmax 25% Vmax 75% MW Instr.  
48 kts 58 kts AWS  
MPERC
Date Time Prob. ERC onset
Full Model		 Prob. ERC onset
V-based
18Apr2026 0500UTC 0% 0%
 
MIMIC-TPW
 
MIMIC-TC
 
Shear Analysis
Date Time Shear Magnitude
 Shear Direction
18Apr2026 1200UTC 20 kts 278 deg
Deep-layer vertical wind shear interpolated to storm center derived from the CIMSS AMV-aided analyses with vortex removed
TC-Scale AMVs