878  
TCPZ22 KNHC 230346  
STDEP2  
SATELLITE TROPICAL DISTURBANCE RAINFALL ESTIMATES  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
0345 UTC WED SEP 23 2020  
 
SYSTEM NAME DATE/TIME LOCATION  
----------- --------- --------  
TROPICAL STORM LOWELL [17E] 23/0000 UTC 19N 119W  
 
RAINFALL ESTIMATED BY SATELLITE VIA QMORPH...  
24-HR RAINFALL MAXIMUM FROM 00-00 UTC- 20MM AT 17N 117W  
6-HR RAINFALL MAXIMUM FROM 18-00 UTC- 10MM AT 17N 117W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 18-00 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
122W-121W 121W-120W 120W-119W 119W-118W 118W-117W 117W-116W  
21N-22N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
20N-21N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
19N-20N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
18N-19N 0- 0 0- 10 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- 10 0- 10 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......................   
...
 
122W-121W 121W-120W 120W-119W 119W-118W 118W-117W 117W-116W  
21N-22N 999-999 999-999 999-999 999-999 999-999 999-999  
20N-21N 999-999 999-999 999-999 999-999 999-999 999-999  
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   
...............................................................
 
 
RAINFALL ESTIMATED FROM 18 UTC 22 SEP GFS MODEL RUN...  
24-HR RAINFALL MAXIMUM FROM 00-00 UTC- 500MM AT 19N 118W  
6-HR RAINFALL MAXIMUM FROM 18-00 UTC- 60MM AT 18N 119W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 18-00 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
122W-121W 121W-120W 120W-119W 119W-118W 118W-117W 117W-116W  
21N-22N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
20N-21N 0- 0 0- 10 0- 0 0- 0 0- 0 0- 0  
19N-20N 0- 0 0- 10 0- 10 0- 10 0- 20 0- 0  
18N-19N 0- 0 0- 10 10- 20 20- 50 20- 50 0- 0  
17N-18N 0- 0 0- 10 10- 40 30- 60 0- 10 0- 10  
16N-17N 0- 0 0- 0 0- 10 10- 20 10- 10 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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