738  
TCPA21 KNHC 031545  
STDCP1  
SATELLITE TROPICAL DISTURBANCE RAINFALL ESTIMATES  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1545 UTC WED OCT 03 2018  
 
SYSTEM NAME DATE/TIME LOCATION  
----------- --------- --------  
HURRICANE WALAKA [01C] 03/1200 UTC 19N 170W  
 
RAINFALL ESTIMATED BY SATELLITE VIA QMORPH...  
24-HR RAINFALL MAXIMUM FROM 12-12 UTC- 20MM AT 22N 172W  
6-HR RAINFALL MAXIMUM FROM 06-12 UTC- 10MM AT 22N 172W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 06-12 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
173W-172W 172W-171W 171W-170W 170W-169W 169W-168W 168W-167W  
21N-22N 0- 10 0- 0 0- 0 0- 0 0- 0 0- 0  
20N-21N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 10  
19N-20N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
18N-19N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
17N-18N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
16N-17N 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......................   
...
 
173W-172W 172W-171W 171W-170W 170W-169W 169W-168W 168W-167W  
21N-22N 999-999 999-999 999-999 999-999 999-999 999-999  
20N-21N 999-999 999-999 999-999 999-999 999-999 999-999  
19N-20N 999-999 999-999 999-999 999-999 999-999 999-999  
18N-19N 999-999 999-999 999-999 999-999 999-999 999-999  
17N-18N 999-999 999-999 999-999 999-999 999-999 999-999  
16N-17N 999-999 999-999 999-999 999-999 999-999 999-999   
...............................................................
 
 
RAINFALL ESTIMATED FROM 06 UTC 3 OCT GFS MODEL RUN...  
24-HR RAINFALL MAXIMUM FROM 12-12 UTC- 190MM AT 20N 170W  
6-HR RAINFALL MAXIMUM FROM 06-12 UTC- 160MM AT 19N 170W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 06-12 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
173W-172W 172W-171W 171W-170W 170W-169W 169W-168W 168W-167W  
21N-22N 0- 10 0- 20 10- 10 20- 20 10- 20 0- 10  
20N-21N 0- 20 0- 0 10- 20 30- 60 20- 40 10- 20  
19N-20N 0- 0 0- 10 10-140 60-140 30- 40 10- 30  
18N-19N 0- 0 0- 10 30-160 70-150 30- 30 10- 20  
17N-18N 0- 0 0- 10 0- 10 30- 60 10- 40 10- 10  
16N-17N 0- 0 0- 20 10- 50 10- 30 0- 10 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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