905  
TCPA21 KNHC 041546  
STDCP1  
SATELLITE TROPICAL DISTURBANCE RAINFALL ESTIMATES  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1545 UTC THU OCT 04 2018  
 
SYSTEM NAME DATE/TIME LOCATION  
----------- --------- --------  
HURRICANE WALAKA [01C] 04/1200 UTC 26N 167W  
 
RAINFALL ESTIMATED BY SATELLITE VIA QMORPH...  
24-HR RAINFALL MAXIMUM FROM 12-12 UTC- 0MM AT 29N 167W  
6-HR RAINFALL MAXIMUM FROM 06-12 UTC- 0MM AT 29N 167W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 06-12 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
170W-169W 169W-168W 168W-167W 167W-166W 166W-165W 165W-164W  
28N-29N 0- 0 0- 0 0- 0 0- 0 0- 10 0- 10  
27N-28N 0- 0 0- 0 0- 0 0- 0 0- 10 0- 0  
26N-27N 0- 0 0- 0 0- 0 0- 0 0- 10 0- 0  
25N-26N 0- 0 0- 10 0- 10 0- 0 0- 10 0- 0  
24N-25N 0- 0 0- 10 0- 40 0- 30 0- 20 0- 0  
23N-24N 0- 10 0- 10 0- 20 10- 30 0- 10 0- 10   
...............................................................
 
 
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......................   
...
 
170W-169W 169W-168W 168W-167W 167W-166W 166W-165W 165W-164W  
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  
24N-25N 999-999 999-999 999-999 999-999 999-999 999-999  
23N-24N 999-999 999-999 999-999 999-999 999-999 999-999   
...............................................................
 
 
RAINFALL ESTIMATED FROM 06 UTC 4 OCT GFS MODEL RUN...  
24-HR RAINFALL MAXIMUM FROM 12-12 UTC- 140MM AT 26N 166W  
6-HR RAINFALL MAXIMUM FROM 06-12 UTC- 140MM AT 26N 166W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 06-12 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
170W-169W 169W-168W 168W-167W 167W-166W 166W-165W 165W-164W  
28N-29N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
27N-28N 0- 0 0- 0 0- 10 0- 10 0- 10 0- 0  
26N-27N 0- 0 0- 10 10- 60 10-180 10- 60 0- 20  
25N-26N 0- 0 0- 20 20-280 40-280 30-100 0- 30  
24N-25N 0- 30 0- 10 10- 60 10- 60 10- 40 0- 30  
23N-24N 10- 10 10- 10 10- 10 10- 10 10- 20 0- 20   
...............................................................
 
 
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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