223  
TCNT23 KNHC 161545  
STDAT3  
SATELLITE TROPICAL DISTURBANCE RAINFALL ESTIMATES  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1545 UTC SUN SEP 16 2018  
 
SYSTEM NAME DATE/TIME LOCATION  
----------- --------- --------  
TROPICAL STORM HELENE [08L] 16/1200 UTC 43N 27W  
 
RAINFALL ESTIMATED BY SATELLITE VIA QMORPH...  
24-HR RAINFALL MAXIMUM FROM 12-12 UTC- 0MM AT 44N 25W  
6-HR RAINFALL MAXIMUM FROM 06-12 UTC- 0MM AT 44N 25W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 06-12 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
30W- 29W 29W- 28W 28W- 27W 27W- 26W 26W- 25W 25W- 24W  
45N-46N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
44N-45N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
43N-44N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
42N-43N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
41N-42N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
40N-41N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0   
...............................................................
 
 
RAINFALL ESTIMATED BY SATELLITE VIA NRL-BLEND...  
24-HR RAINFALL MAXIMUM FROM 12-12 UTC- 0MM AT 0N 0W  
6-HR RAINFALL MAXIMUM FROM 06-12 UTC- 0MM AT 0N 0W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 06-12 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
30W- 29W 29W- 28W 28W- 27W 27W- 26W 26W- 25W 25W- 24W  
45N-46N 999-999 999-999 999-999 999-999 999-999 999-999  
44N-45N 999-999 999-999 999-999 999-999 999-999 999-999  
43N-44N 999-999 999-999 999-999 999-999 999-999 999-999  
42N-43N 999-999 999-999 999-999 999-999 999-999 999-999  
41N-42N 999-999 999-999 999-999 999-999 999-999 999-999  
40N-41N 999-999 999-999 999-999 999-999 999-999 999-999   
...............................................................
 
 
RAINFALL ESTIMATED FROM 06 UTC 16 SEP GFS MODEL RUN...  
24-HR RAINFALL MAXIMUM FROM 12-12 UTC- 100MM AT 46N 26W  
6-HR RAINFALL MAXIMUM FROM 06-12 UTC- 50MM AT 44N 27W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 06-12 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
30W- 29W 29W- 28W 28W- 27W 27W- 26W 26W- 25W 25W- 24W  
45N-46N 0- 0 0- 0 0- 20 10- 30 20- 30 10- 20  
44N-45N 0- 20 10- 30 20- 30 20- 40 20- 30 10- 20  
43N-44N 0- 10 20- 30 30- 50 20- 50 10- 40 10- 20  
42N-43N 0- 10 0- 10 0- 20 10- 20 0- 10 0- 0  
41N-42N 0- 0 0- 0 0- 10 0- 10 0- 0 0- 0  
40N-41N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0   
...............................................................
 
 
DIFFERENCES BETWEEN THE SATELLITE AND MODEL-DERIVED RAINFALL  
ESTIMATES INDICATE UNCERTAINTY IN THE AMOUNT OF RAIN RECEIVED  
 
RAINFALL MAY BE UNDERESTIMATED ON THE WINDWARD SIDE OF TERRAIN  
 
PLEASE SEE THE LATEST TROPICAL CYCLONE PUBLIC ADVISORY FOR THE  
OFFICIAL RAINFALL FORECAST FOR TROPICAL CYCLONES  
 
FOR ADDITIONAL INFORMATION PLEASE VISIT  
HTTP://WWW.HURRICANES.GOV/MARINE/RAINFALL  
 
FORECASTER TAFB  
 

 
 
 
 
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