683  
TCPA21 KNHC 020345  
STDCP1  
SATELLITE TROPICAL DISTURBANCE RAINFALL ESTIMATES  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
0345 UTC TUE OCT 02 2018  
 
SYSTEM NAME DATE/TIME LOCATION  
----------- --------- --------  
HURRICANE WALAKA [01C] 02/0000 UTC 13N 170W  
 
RAINFALL ESTIMATED BY SATELLITE VIA QMORPH...  
24-HR RAINFALL MAXIMUM FROM 00-00 UTC- 20MM AT 11N 170W  
6-HR RAINFALL MAXIMUM FROM 18-00 UTC- 10MM AT 11N 170W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 18-00 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
173W-172W 172W-171W 171W-170W 170W-169W 169W-168W 168W-167W  
15N-16N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
14N-15N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
13N-14N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
12N-13N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
11N-12N 0- 0 0- 0 0- 0 0- 10 0- 0 0- 0  
10N-11N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0   
...............................................................
 
 
RAINFALL ESTIMATED BY SATELLITE VIA NRL-BLEND...  
24-HR RAINFALL MAXIMUM FROM 00-00 UTC- 0MM AT 0N 0W  
6-HR RAINFALL MAXIMUM FROM 18-00 UTC- 0MM AT 0N 0W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 18-00 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
173W-172W 172W-171W 171W-170W 170W-169W 169W-168W 168W-167W  
15N-16N 999-999 999-999 999-999 999-999 999-999 999-999  
14N-15N 999-999 999-999 999-999 999-999 999-999 999-999  
13N-14N 999-999 999-999 999-999 999-999 999-999 999-999  
12N-13N 999-999 999-999 999-999 999-999 999-999 999-999  
11N-12N 999-999 999-999 999-999 999-999 999-999 999-999  
10N-11N 999-999 999-999 999-999 999-999 999-999 999-999   
...............................................................
 
 
RAINFALL ESTIMATED FROM 18 UTC 1 OCT GFS MODEL RUN...  
24-HR RAINFALL MAXIMUM FROM 00-00 UTC- 700MM AT 14N 170W  
6-HR RAINFALL MAXIMUM FROM 18-00 UTC- 200MM AT 14N 170W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 18-00 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
173W-172W 172W-171W 171W-170W 170W-169W 169W-168W 168W-167W  
15N-16N 0- 0 0- 0 0- 0 0- 10 0- 10 0- 10  
14N-15N 0- 0 0- 10 10- 20 10- 30 0- 10 0- 10  
13N-14N 0- 0 10- 20 20-160 130-200 10- 90 0- 10  
12N-13N 0- 0 10- 20 30-170 110-180 20- 90 10- 10  
11N-12N 0- 0 0- 10 20- 30 10- 30 10- 20 10- 10  
10N-11N 0- 0 0- 0 0- 0 0- 10 0- 10 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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