119  
TCPA21 KNHC 042146  
STDCP1  
SATELLITE TROPICAL DISTURBANCE RAINFALL ESTIMATES  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
2145 UTC THU OCT 04 2018  
 
SYSTEM NAME DATE/TIME LOCATION  
----------- --------- --------  
HURRICANE WALAKA [01C] 04/1800 UTC 28N 166W  
 
RAINFALL ESTIMATED BY SATELLITE VIA QMORPH...  
24-HR RAINFALL MAXIMUM FROM 18-18 UTC- 10MM AT 30N 169W  
6-HR RAINFALL MAXIMUM FROM 12-18 UTC- 0MM AT 30N 169W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 12-18 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
169W-168W 168W-167W 167W-166W 166W-165W 165W-164W 164W-163W  
30N-31N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
29N-30N 0- 0 0- 0 0- 0 0- 0 0- 10 0- 10  
28N-29N 0- 0 0- 0 0- 0 0- 0 0- 10 0- 0  
27N-28N 0- 0 0- 0 0- 10 0- 0 0- 0 0- 0  
26N-27N 0- 0 0- 0 0- 10 0- 20 0- 10 0- 10  
25N-26N 0- 10 0- 0 0- 30 10- 40 10- 30 0- 10   
...............................................................
 
 
RAINFALL ESTIMATED BY SATELLITE VIA NRL-BLEND...  
24-HR RAINFALL MAXIMUM FROM 18-18 UTC- 0MM AT 0N 0W  
6-HR RAINFALL MAXIMUM FROM 12-18 UTC- 0MM AT 0N 0W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 12-18 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
169W-168W 168W-167W 167W-166W 166W-165W 165W-164W 164W-163W  
30N-31N 999-999 999-999 999-999 999-999 999-999 999-999  
29N-30N 999-999 999-999 999-999 999-999 999-999 999-999  
28N-29N 999-999 999-999 999-999 999-999 999-999 999-999  
27N-28N 999-999 999-999 999-999 999-999 999-999 999-999  
26N-27N 999-999 999-999 999-999 999-999 999-999 999-999  
25N-26N 999-999 999-999 999-999 999-999 999-999 999-999   
...............................................................
 
 
RAINFALL ESTIMATED FROM 12 UTC 4 OCT GFS MODEL RUN...  
24-HR RAINFALL MAXIMUM FROM 18-18 UTC- 210MM AT 30N 169W  
6-HR RAINFALL MAXIMUM FROM 12-18 UTC- 90MM AT 29N 166W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 12-18 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
169W-168W 168W-167W 167W-166W 166W-165W 165W-164W 164W-163W  
30N-31N 0- 0 0- 0 0- 0 0- 10 0- 10 0- 10  
29N-30N 0- 0 0- 0 0- 0 10- 10 10- 20 10- 40  
28N-29N 0- 0 0- 0 10- 60 40-220 10- 60 10- 40  
27N-28N 0- 0 0- 0 0-100 50-170 20-150 10- 30  
26N-27N 0- 0 0- 0 10- 10 10- 60 10- 30 10- 20  
25N-26N 10- 20 0- 10 0- 10 0- 10 10- 10 10- 10   
...............................................................
 
 
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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