975  
TCPZ22 KNHC 212146  
STDEP2  
SATELLITE TROPICAL DISTURBANCE RAINFALL ESTIMATES  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
2145 UTC MON SEP 21 2020  
 
SYSTEM NAME DATE/TIME LOCATION  
----------- --------- --------  
TROPICAL STORM LOWELL [17E] 21/1800 UTC 17N 113W  
 
RAINFALL ESTIMATED BY SATELLITE VIA QMORPH...  
24-HR RAINFALL MAXIMUM FROM 18-18 UTC- 10MM AT 18N 111W  
6-HR RAINFALL MAXIMUM FROM 12-18 UTC- 0MM AT 18N 111W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 12-18 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
116W-115W 115W-114W 114W-113W 113W-112W 112W-111W 111W-110W  
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  
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   
...............................................................
 
 
RAINFALL ESTIMATED BY SATELLITE VIA NRL-BLEND...  
24-HR RAINFALL MAXIMUM FROM 18-18 UTC- 0MM AT 0N 0W  
6-HR RAINFALL MAXIMUM FROM 12-18 UTC- 0MM AT 0N 0W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 12-18 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
116W-115W 115W-114W 114W-113W 113W-112W 112W-111W 111W-110W  
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  
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   
...............................................................
 
 
RAINFALL ESTIMATED FROM 12 UTC 21 SEP GFS MODEL RUN...  
24-HR RAINFALL MAXIMUM FROM 18-18 UTC- 410MM AT 17N 113W  
6-HR RAINFALL MAXIMUM FROM 12-18 UTC- 90MM AT 16N 110W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 12-18 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
116W-115W 115W-114W 114W-113W 113W-112W 112W-111W 111W-110W  
19N-20N 0- 0 0- 0 0- 0 0- 0 0- 10 0- 10  
18N-19N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 10  
17N-18N 0- 0 0- 0 0- 10 10- 10 0- 10 0- 0  
16N-17N 0- 0 0- 0 0- 40 0- 40 0- 0 0- 0  
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   
...............................................................
 
 
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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