902  
TCPA21 KNHC 300345  
STDCP1  
SATELLITE TROPICAL DISTURBANCE RAINFALL ESTIMATES  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
0345 UTC SUN SEP 30 2018  
 
SYSTEM NAME DATE/TIME LOCATION  
----------- --------- --------  
TROPICAL STORM WALAKA [01C] 30/0000 UTC 11N 160W  
 
RAINFALL ESTIMATED BY SATELLITE VIA QMORPH...  
24-HR RAINFALL MAXIMUM FROM 00-00 UTC- 30MM AT 14N 160W  
6-HR RAINFALL MAXIMUM FROM 18-00 UTC- 10MM AT 14N 160W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 18-00 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
163W-162W 162W-161W 161W-160W 160W-159W 159W-158W 158W-157W  
13N-14N 0- 0 0- 0 0- 10 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- 20  
9N-10N 0- 0 0- 0 0- 0 0- 10 0- 0 0- 10  
8N- 9N 0- 0 0- 10 0- 20 0- 10 0- 10 0- 10   
...............................................................
 
 
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......................   
...
 
163W-162W 162W-161W 161W-160W 160W-159W 159W-158W 158W-157W  
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  
9N-10N 999-999 999-999 999-999 999-999 999-999 999-999  
8N- 9N 999-999 999-999 999-999 999-999 999-999 999-999   
...............................................................
 
 
RAINFALL ESTIMATED FROM 18 UTC 29 SEP GFS MODEL RUN...  
24-HR RAINFALL MAXIMUM FROM 00-00 UTC- 160MM AT 13N 159W  
6-HR RAINFALL MAXIMUM FROM 18-00 UTC- 130MM AT 13N 158W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 18-00 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
163W-162W 162W-161W 161W-160W 160W-159W 159W-158W 158W-157W  
13N-14N 0- 0 0- 10 10- 10 10- 10 0- 0 0- 10  
12N-13N 0- 10 0- 10 0- 10 10- 10 0- 10 0- 0  
11N-12N 0- 0 0- 0 0- 0 0- 10 0- 20 10- 40  
10N-11N 0- 0 0- 0 0- 0 10- 30 30- 40 40- 40  
9N-10N 0- 10 0- 10 0- 20 10- 30 20- 30 10- 40  
8N- 9N 10- 20 0- 10 0- 20 0- 20 10- 20 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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