574  
TCPA21 KNHC 040946  
STDCP1  
SATELLITE TROPICAL DISTURBANCE RAINFALL ESTIMATES  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
0945 UTC THU OCT 04 2018  
 
SYSTEM NAME DATE/TIME LOCATION  
----------- --------- --------  
HURRICANE WALAKA [01C] 04/0600 UTC 24N 167W  
 
RAINFALL ESTIMATED BY SATELLITE VIA QMORPH...  
24-HR RAINFALL MAXIMUM FROM 06-06 UTC- 0MM AT 21N 170W  
6-HR RAINFALL MAXIMUM FROM 00-06 UTC- 0MM AT 21N 170W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 00-06 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
170W-169W 169W-168W 168W-167W 167W-166W 166W-165W 165W-164W  
26N-27N 0- 0 0- 0 0- 0 0- 10 0- 0 0- 0  
25N-26N 0- 0 0- 0 0- 0 0- 10 0- 0 0- 0  
24N-25N 0- 0 0- 10 0- 0 0- 0 0- 0 0- 0  
23N-24N 0- 0 0- 30 0- 40 0- 20 0- 10 0- 0  
22N-23N 0- 0 0- 10 10- 30 10- 30 0- 10 0- 20  
21N-22N 0- 20 0- 30 0- 30 0- 20 0- 10 0- 10   
...............................................................
 
 
RAINFALL ESTIMATED BY SATELLITE VIA NRL-BLEND...  
24-HR RAINFALL MAXIMUM FROM 06-06 UTC- 0MM AT 0N 0W  
6-HR RAINFALL MAXIMUM FROM 00-06 UTC- 0MM AT 0N 0W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 00-06 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
170W-169W 169W-168W 168W-167W 167W-166W 166W-165W 165W-164W  
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  
22N-23N 999-999 999-999 999-999 999-999 999-999 999-999  
21N-22N 999-999 999-999 999-999 999-999 999-999 999-999   
...............................................................
 
 
RAINFALL ESTIMATED FROM 00 UTC 4 OCT GFS MODEL RUN...  
24-HR RAINFALL MAXIMUM FROM 06-06 UTC- 150MM AT 24N 168W  
6-HR RAINFALL MAXIMUM FROM 00-06 UTC- 150MM AT 24N 168W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 00-06 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
170W-169W 169W-168W 168W-167W 167W-166W 166W-165W 165W-164W  
26N-27N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
25N-26N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
24N-25N 0- 0 0- 10 0- 60 0- 60 0- 30 0- 0  
23N-24N 0- 0 0- 30 30-190 30-160 0- 90 0- 10  
22N-23N 10- 30 0- 20 10-220 30-220 10- 50 0- 10  
21N-22N 10- 20 10- 40 20- 70 10- 70 10- 60 0- 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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