560  
TCPA21 KNHC 052146  
STDCP1  
SATELLITE TROPICAL DISTURBANCE RAINFALL ESTIMATES  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
2145 UTC FRI OCT 05 2018  
 
SYSTEM NAME DATE/TIME LOCATION  
----------- --------- --------  
TROPICAL STORM WALAKA [01C] 05/1800 UTC 32N 168W  
 
RAINFALL ESTIMATED BY SATELLITE VIA QMORPH...  
24-HR RAINFALL MAXIMUM FROM 18-18 UTC- 20MM AT 33N 166W  
6-HR RAINFALL MAXIMUM FROM 12-18 UTC- 0MM AT 33N 166W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 12-18 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
171W-170W 170W-169W 169W-168W 168W-167W 167W-166W 166W-165W  
34N-35N 0- 10 0- 0 0- 0 0- 0 0- 10 0- 0  
33N-34N 0- 0 0- 10 0- 10 0- 0 0- 0 0- 0  
32N-33N 0- 10 0- 10 0- 0 0- 0 0- 0 0- 0  
31N-32N 0- 30 0- 20 0- 0 0- 0 0- 0 0- 0  
30N-31N 0- 30 0- 10 0- 0 0- 0 0- 10 0- 10  
29N-30N 0- 10 0- 10 0- 10 0- 0 0- 10 0- 40   
...............................................................
 
 
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......................   
...
 
171W-170W 170W-169W 169W-168W 168W-167W 167W-166W 166W-165W  
34N-35N 999-999 999-999 999-999 999-999 999-999 999-999  
33N-34N 999-999 999-999 999-999 999-999 999-999 999-999  
32N-33N 999-999 999-999 999-999 999-999 999-999 999-999  
31N-32N 999-999 999-999 999-999 999-999 999-999 999-999  
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   
...............................................................
 
 
RAINFALL ESTIMATED FROM 12 UTC 5 OCT GFS MODEL RUN...  
24-HR RAINFALL MAXIMUM FROM 18-18 UTC- 160MM AT 31N 168W  
6-HR RAINFALL MAXIMUM FROM 12-18 UTC- 140MM AT 31N 168W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 12-18 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
171W-170W 170W-169W 169W-168W 168W-167W 167W-166W 166W-165W  
34N-35N 0- 0 0- 0 0- 0 0- 10 0- 10 0- 0  
33N-34N 0- 0 0- 10 0- 20 10- 20 10- 20 0- 10  
32N-33N 0- 0 0- 20 10-130 10-160 0-130 0- 20  
31N-32N 0- 10 0- 10 10- 30 10- 50 0- 50 0- 10  
30N-31N 0- 0 0- 0 0- 10 0- 10 0- 10 0- 0  
29N-30N 0- 0 0- 10 0- 10 0- 10 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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